Technology for life. Unit heater LH

Transcription

1 Technology for life. Unit heater 1

2 2

3 Contents Contents... Page Basic unit: casing, fan, motors... 4 Basic unit: heat exchanger... 5 Performance tables Performance tables Performance tables Performance tables Shut-off sets / Fastening accessories Discharge accessories Induction louvre / Consulting advice Intake accessories Controllers, switching and automatic - overview Switching controllers Positioning drives for fresh air or mixed air - overview Swtches for damper actuators Room thermostats Room thermostats, antifreeze thermostat Intermediate terminal box, control interface box Control configuration A Control configuration B Control configuration C Control system DigiPro Electrical connection / special drivers Consulting advice Performance and influence of accessories Speeds table/ Sound pressure levels Notes on configuration Installation examples Weights Unit descriptions

4 Basic unit Casing Sectional frame, welded and galvanised, consisting of pentapost profiles. Casing panels galvanised sheet steel. Rear panel incorporates deep-drawn intake nozzle. Discharge louvre with individually adjustable vanes. Dimensions: A B C Fan/Motors Axial fan with aluminium impeller, steel hub and protection grille. Low-noise, maintenance-free motors, direct drive to impeller, suitable for any installed position. Heat exchanger: Copper-Aluminium / galvanized steel Part.No. Part.No. Part.No. Part.No. Type / / / / Type / / / / Type / / / / Type / / / / - Type D / / / / Standard configuration Special drives Three-phase motor 3 x 400 V, 50 Hz, star circuit: low speed; Delta circuit: high speed Degree of protection IP 54, Insulation class F; Ball bearings with special grease filling for -25 bis C For any installed position, maintenance-free Windings protected against temperature excursion by integral thermo contacts which shut down the motor if it overheats, by interrupting the control circuit in the single-stage/multi-stage switch or controller. The drive restarts automatically when the temperature in the winding drops below the restart threshold. Winding protection effective only in conjunction with a single-stage/multi-stage switch or automatic controller. See pages for wiring options. Use in conjunction with other, commercially available switches or speed controllers voids the manufacturer s guarantee for the motor. See performance tables on Pages 6-13 for motor output ratings. Single-phase A.C. motor 230 V, 50 Hz, high speed only, low speed with 5-stage switch Motor output (kw) 0,14 0,14 0,18 - Current consumption (A) 2,0 2,0 2,2 - Part.No Degree of protection IP 54, Insulation class F Winding protection same as standard motor or thermo contacts connected in series with motor winding by others. The drive restarts automatically when the temperature in the winding drops below the restart threshold. See page 27 for external wiring. Progressive three-phase motor 3x400V, 50 Hz for control system DigiPro Motor output (kw) 0,075 0,14 0,2 0,45 Curr. consumpt.υ/ (A) 0,4 0,6 0,85 1,7 Part.No Degree of protection IP 54, Insulation class F, ball bearing with special llubricant for -25 bis +140 C Degree of protection P 54, insulaton class F, ball bearing with special grease for -25 upto +140 C, suitable for any installation position, maintenance-free. Winding protection by integrated thermo-contacts, which interrupts the control current circuit in the switch or control box and and shuts down the motor consequently. the drive restarts automatically when the temperature in the winding drops below the restart threshold. Winding protection effective only in conjunction with a switch or controller. Explosion-proof motor E Ex e II T3, 3 x 230 V/, oder 3 x 400 V/Υ, 50 Hz Motor output (kw) 0,25 0,25 0,55 0,55 Current consumpt. Υ/ (A) 0,79/1,37 0,79/1,37 1,66/2,90 1,66/2,90 Part.No Degree of protection IP 54, Insulation class B, see page 42 for external wiring.

5 Basic unit Heat exchanger Co/Al heat exchanger Five types of heat exchangers per unit heater type for LPHW. MPHW or steam (code D). Heat exchanger made of Co/Al, steel header, withdrawable to side Galvanised sheet-steel frame LPHW and MPHW threaded inlet/oulet (inch system) Flange and mating flange for steam Important note: For LPHW or MPHW: threaded adapters for PN 16 up to 140 C Water inlet on air outlet at top/bottom Water outlet on air intake at top/bottom Connections on right/left hand side in direction of air flow See performance table for pipe connection sizes For steam: flange and mating flange for saturated steam, max. 9 bar Steam connection at top Condensate return at bottom Connection on left hand side only in direction of air flow See performance table for pipe connection sizes. Alternative: Steel / galvanised heat exchanger. Heat exchanger and header both made of galvanised steel and withdrawable to side suitable for LPHW, MPHW or steam D Frame made of galvanised sheet steel Flange/mating flange connections Electric heating coil incl. highlimit lock out Dimensions: a b c Heating output stages: kw 20 kw 25 kw 35 kw Higher performance on request Circuiting: 12 kw: 4-stage 1/4, 2/4, 3/4, 4/4 20 kw: 4-stage 1/4, 2/4, 3/4, 4/4 25 kw: 5-stage 1/5, 2/5, 3/5, 4/5, 5/5 35 kw: 5-stage 1/5, 2/5, 3/5, 4/5, 5/5 To avoid overheating, pay attention to the following minimum air volumes: horizontal air flow Vmin (m³/h) vertical air flow Vmin (m³/h) Protective measures: In any case it has to be secured that the electric heater is switched off when the air volume is falling below the indicated minimum. Additionally, the electric heater may only be set into operation by one or several magnetic switches whose control circuit leads over the automatic overheating controllers wired in line. 5

6 Performance tables For LPHW For saturated steam Type D Speed [min -1 ] Air vol. V O [m³/h] t on [ C] kw C kw C kw C kw C kw C kw C kw C kw C t on [ C] kw C kw C ,7-2 9,5 0 15,1 5 13,2 7 17, , , , , , ,5 2 8,5 3 13,5 8 11, , , , , , , ,4 6 7,4 7 11, , , , , , , ,9 29 LPHW ± 0 7,2 10 6, ,3 15 9, , , , ,0 27 1,1 ± 0 22, , / ,1 13 5,5 14 8,8 18 7, ,5 22 9, , ,1 29 bar , , ,0 17 4,5 18 7,3 21 6,4 22 8,8 24 7, ,9 29 9, , , ,0 21 3,5 21 5,8 24 5,1 24 7,0 27 6,1 28 8,8 30 7, , , ,9 24 2,6 25 4,3 27 3,8 27 5,3 29 4,6 30 6,6 32 5, , , ,9 0 10,5 1 16,7 7 14,6 9 19, , , , , , ,7 4 9,5 5 15, , , , , , , , ,5 8 8,5 9 13, , , , , , , ,5 32 LPHW ± 0 8,4 11 7, , , , , , ,8 31 1,5 ± 0 24, , / ,3 15 6, ,4 20 9, , , , ,9 32 bar , , ,2 19 5,5 19 8,8 23 7, ,5 27 9, , , , , ,1 22 4,5 23 7,3 26 6,4 27 8,8 29 7, ,9 34 9, , , ,0 26 3,6 26 5,8 29 5,1 30 7,0 32 6,2 33 8,8 36 7, , , ,7 0 10,4 1 16,8 7 14,7 9 20, , , , , , ,6 4 9,4 5 15, , , , , , , , ,4 7 8,4 9 13, , , , , , , ,2 34 LPHW ± 0 8,3 11 7, , , , , , ,5 32 2,0 ± 0 26, , / ,2 15 6, ,5 20 9, , , , ,6 34 bar , , ,1 18 5,5 19 9,0 23 7, ,9 28 9, , , , , ,0 22 4,5 23 7,5 26 6,6 27 9,2 30 8, ,5 35 9, , , ,0 26 3,6 26 6,0 29 5,3 30 7,4 32 6,5 34 9,4 37 8, , , ,1 3 12,6 5 20, , , , , , , , ,0 7 11,5 8 18, , , , , , , , , , , , , , , , , ,6 38 LPHW ± 0 10,7 14 9, , , , , , ,2 40 3,0 ± 0 28, , / ,5 18 8, , , , , , ,3 42 bar , , ,4 22 7, , , , , , , , , ,3 25 6, ,7 31 9, , , , , , , ,3 29 5,6 30 9,1 34 8, ,1 38 9, , , , , ,6 6 14,7 8 23, , , , , , , , , , , , , , , , , , , , , , , , , , , ,9 44 LPHW ± 0 13, , , , , , , ,8 47 5,0 ± 0 32, , / , , , , , , , ,9 49 bar , , ,7 25 9, , , , , , , , , ,6 29 8, , , , , , , , , ,5 32 7, , , , , , , , , ,9 9 16, , , , , , , , , , , , , , , , , , , , , , , , , , , , ,1 50 LPHW ± 0 15, , , , , , , ,3 55 9,0 ± 0 37, , / , , , , , , , ,4 57 bar , , , , , , , , , , , , , , , , , , , , , , ,8 35 9, , , , , , , , ,3 70 Motor output [kw] (3 x 400 V) min. 0,075 min. 0,027 min. 0,075 min. 0,027 min. 0,075 min. 0,027 min. 0,075 min. 0,027 min. 0,075 min. 0,027 Curr. consumpt. [A] (3 x 400 V) max. 0,4 max. 0,25 max. 0,4 max. 0,25 max. 0,4 max. 0,25 max. 0,4 max. 0,25 max. 0,4 max. 0,25 Air throw, wall mounted [m]* 15,5 12,5 14, ,5 12, ,5 12,5 Air throw, ceiling mount. [m]* 5,7 4,7 5,4 4,5 5,0 4,2 4,8 4,0 5,7 4,7 Sound pressure level db[a]** Water capacity [litres] 0,7 1,0 1,1 1,8 Heat exchanger connections R ¾ R 1 R 1 R 1 DN 40 - DN 20 * - t room = 10 K ** Sound pressure level measured 5 m from intake, room with average absorption; enclosed space approx m³. 6

7 25 For MPHW Hydraulic resistance [kpa] Type Speed [min -1 ] Air vol. V O [m³/h] t LE [ C] kw C kw C kw C kw C kw C kw C , , , , , , , , , , , , , , , , , ,5 51 MPHW ± 0 19, , , , , , / , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,4 57 MPHW ± 0 22, , , , , , / , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,2 58 MPHW ± 0 22, , , , , , / , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,1 60 MPHW ± 0 22, , , , , , / , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,1 64 MPHW ± 0 24, , , , , , / , , , , , , , , , , , , , , , , , , , , , , , ,0 78 Pages Air throws (as influenced by heat increase and discharge accessories) Page 41: Heating output Air volume and air outlet temperatures (as influenced by accessories and speeds) Page 42: Speeds table (in combination with single-stage/ multistage switches) Sound pressure level (as a function of speed) Motor output [kw] (3 x 400 V) min. 0,075 min. 0,027 min. 0,075 min. 0,027 min. 0,075 min. 0,027 Curr. consumpt. [A] (3 x 400 V) Air throw, wall-mounted [m]* Air throw, ceiling-mount. [m]* Sound pressure level db[a]** max. 0,4 15,5 5,7 56 max. 0,25 12,5 4,7 50 max. 0,4 14,5 5,4 56 max. 0, ,5 50 max. 0,4 13 5,0 56 max. 0,25 10,5 4,2 50 Water capacity [litres] 0,7 1,0 1,1 Heat exchanger connections R ¾ R 1 R 1 7

8 Performance tables For LPHW For saturated steam Type D Speed [min -1 ] Air vol. V O [m³/h] t on [ C] kw C kw C kw C kw C kw C kw C kw C kw C t on [ C] kw C kw C ,1 0 16,5 3 24,0 4 19,5 7 31, , , , , , ,9 4 14,8 6 21,4 7 17, , , , , , , ,8 7 13,1 9 18, , , , , , , ,2 31 LPHW ± 0 13, , , , , , , ,9 28 1,1 ± 0 37, , / ,7 15 9, , , , , , ,1 29 bar , , ,6 18 8, ,6 20 9, , , , , , , ,7 21 6,4 23 9,2 23 7, , , , , , , ,7 25 4,8 26 6,9 26 5,7 27 9,7 29 7, ,2 32 8, , , ,2 2 18,3 4 26,6 6 21,5 9 35, , , , , , ,1 5 16,5 8 24,0 9 19, , , , , , , ,9 9 14, , , , , , , , ,8 33 LPHW ± 0 15, , , , , , , ,6 32 1,5 ± 0 40, , / , , , , , , , ,8 33 bar , , ,7 20 9, , , , , , , , , ,7 23 8, ,6 25 9, , , , , , , ,7 27 6,4 28 9,3 28 7, , , , , , , ,3 2 18,4 5 26,7 6 21,8 9 36, , , , , , ,1 6 16,7 8 24,2 9 19, , , , , , , ,0 9 14, , , , , , , , ,4 36 LPHW ± 0 15, , , , , , , ,0 34 2,0 ± 0 43, , / , , , , , , , ,2 35 bar , , ,9 20 9, , , , , , , , , ,9 23 8, ,9 25 9, , , , , , , ,9 27 6,6 28 9,6 28 7, , , , , , , ,7 5 22,0 8 31, , , , , , , , ,5 9 20, , , , , , , , , , , , , , , , , , ,1 40 LPHW ± 0 20, , , , , , , ,4 41 3,0 ± 0 48, , / , , , , , , , ,6 43 bar , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,1 9 25, , , , , , , , , , , , , , , , , , , , , , , , , , , , ,2 46 LPHW ± 0 24, , , , , , , ,7 49 5,0 ± 0 54, , / , , , , , , , ,9 51 bar , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,7 53 LPHW ± 0 28, , , , , , , ,8 56 9,0 ± 0 62, , / , , , , , , , ,0 58 bar , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,9 73 Motor output [kw] (3 x 400 V) 0,14 0,065 0,14 0,065 0,14 0,065 0,14 0,065 0,14 0,065 Curr. consumpt. [A] (3 x 400 V) 0,6 0,4 0,6 0,4 0,6 0,4 0,6 0,4 0,6 0,4 Air throw, wall-mounted [m]* , , Air throw, ceiling-mount. [m]* 5,6 4,1 5,5 3,9 5,0 3,6 4,5 3,3 5,6 4,1 Sound pressure level db[a]** Water capacity [litres] 1,0 1,5 2,0 2,5 Heat exchanger connections R ¾ R 1 R 1 R 1 DN 40 -DN 20 * - t room = 10 K ** Sound pressure level measured 5 m from intake, room with average absorption; enclosed space approx m³ 8

9 40 For MPHW Hydraulic resistance [kpa] Type Speed [min -1 ] Air vol. V O [m³/h] t LA t LA t LA t LA t LA t LA t LE [ C] kw C kw C kw C kw C kw C kw C , , , , , , , , , , , , , , , , , ,7 55 MPHW ± 0 37, , , , , , / , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,3 60 MPHW ± 0 41, , , , , , / , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,8 62 MPHW ± 0 41, , , , , , / , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,4 64 MPHW ± 0 42, , , , , , / , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,3 68 MPHW ± 0 46, , , , , , / , , , , , , , , , , , , , , , , , , , , , , , ,4 82 Page 38-40: Air throws (as influenced by heat increase and discharge accessories ) Page 41: Heating output Air volume and air outlet temperatures (as influenced by accessories and speeds) Page 42: Speeds table (in combination with single-stage/ multistage switches) Sound pressure level (as a function of speed) Motor output [kw] (3 x 400 V) Curr. consumpt. [A] (3 x 400 V) Air throw, wall-mounted [m]* Air throw, ceiling-mount. [m]* Sound-pressure level db[a]** Water capacity [litres] Heat exchanger connections 0,14 0,065 0,14 0,065 0,14 0,065 0,6 0,4 0,6 0,4 0,6 0, , ,5 5,6 4,1 5,5 3,9 5,0 3, ,0 1,5 2,0 R ¾ R 1 R 1 9

10 Performance tables For LPHW For saturated steam Type D Speed [min -1 ] Air vol. V O [m³/h] t on [ C] kw C kw C kw C kw C kw C kw C kw C kw C t on [ C] kw C kw C ,6 2 28,6 4 43,6 7 36, , , , , , , ,2 5 25,6 7 39, , , , , , , , ,7 9 22, , , , , , , , ,0 33 LPHW ± 0 23, , , , , , , ,5 29 1,1 ± 0 61, , / , , , , , , , ,6 31 bar , , , , , , , , , , , , , , , , , , , , , , ,2 26 8, , , , , , , , , ,1 4 31,5 6 48, , , , , , , , ,6 7 28,5 9 43, , , , , , , , , , , , , , , , , ,5 36 LPHW ± 0 26, , , , , , , ,1 33 1,5 ± 0 67, , / , , , , , , , ,3 35 bar , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,0 4 32,4 6 49, , , , , , , , ,6 8 29, , , , , , , , , , , , , , , , , , ,8 39 LPHW ± 0 27, , , , , , , ,2 36 2,0 ± 0 72, , / , , , , , , , ,2 37 bar , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,0 8 38, , , , , , , , , , , , , , , , , , , , , , , , , , , , ,2 43 LPHW ± 0 34, , , , , , , ,6 43 3,0 ± 0 79, , / , , , , , , , ,7 45 bar , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,0 49 LPHW ± 0 41, , , , , , , ,7 51 5,0 ± 0 90, , / , , , , , , , ,8 53 bar , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,1 57 LPHW ± 0 48, , , , , , , ,6 58 9,0 ± 0 103, , / , , , , , , , ,6 60 bar , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,1 77 Motor output [kw] (3 x 400 V) 0,2 0,06 0,2 0,06 0,2 0,06 0,2 0,06 0,2 0,06 Curr. consumpt. [A] (3 x 400 V) 0,85 0,45 0,85 0,45 0,85 0,45 0,85 0,45 0,85 0,45 Air throw, wall-mounted [m]* Air throw, ceiling-mount. [m]* 7,1 5,3 6,9 5,1 6,1 4,5 5,8 4,4 7,1 5,3 Sound-pressure level db[a]** Water capacity [litres] 2,5 3,5 3,5 5,5 Heat exchanger connections R 1 R 1¼ R 1¼ R 1¼ DN 50 -DN 25 * - t room = 10 K ** Sound pressure level measured 5 m from intake, room with average absorption; enclosed space approx m³ 10

11 For MPHW Type Speed [min -1 ] Air vol. V O [m³/h] Hydraulic resistance [kpa] 63 t on t on t on t on t on t on t LE [ C] kw C kw C kw C kw C kw C kw C , , , , , , , , , , , , , , , , , ,9 57 MPHW ± 0 61, , , , , , / , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,2 63 MPHW ± 0 67, , , , , , / , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,0 65 MPHW ± 0 69, , , , , , / , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,8 67 MPHW ± 0 71, , , , , , / , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,3 71 MPHW ± 0 76, , , , , , / , , , , , , , , , , , , , , , , , , , , , , , ,1 85 Page 38-40: Air throws (as influenced by heat increase and discharge accessories) Page 41: Heating output Air volume and air outlet temperatures (as influenced by accessories and speeds) Page 42: Speeds table (in combination with single-stage/ mulitstage switches) Sound pressure (as a function of speed) Motor output [kw] (3 x 400 V) Curr. consumpt. [A] (3 x 400 V) Air throw, wall-mounted [m]* Air throw, ceiling-mount. [m]* Sound-pressure level db[a]** Water capacity (litres) Heat exchanger connections 0,2 0,06 0,2 0,06 0,2 0,06 0,85 0,45 0,85 0,45 0,85 0, ,1 5,3 6,9 5,1 6,1 4, ,5 3,5 3,5 R 1 R 1 ¼ R 1¼ 11

12 Performance tables For LPHW For saturated steam Type D Speed [min -1 ] Air vol. V O [m³/h] t on [ C] kw C kw C kw C kw C kw C kw C kw C kw C t on [ C] kw C kw C ,1 2 48,1 4 72,8 7 60, , , , , , , ,2 5 43,1 7 65, , , , , , , , ,3 9 38, , , , , , , , ,9 33 LPHW ± 0 39, , , , , , , ,7 30 1,1 ± 0 104, , / , , , , , , , ,7 31 bar , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,9 4 53,0 6 80,4 9 66, , , , , , , ,0 7 48,0 9 72, , , , , , , , , , , , , , , , , ,3 36 LPHW ± 0 45, , , , , , , ,4 34 1,5 ± 0 113, , / , , , , , , , ,3 35 bar , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,6 4 54,5 7 81, , , , , , , , ,6 8 49, , , , , , , , , , , , , , , , , , ,6 39 LPHW ± 0 47, , , , , , , ,2 37 2,0 ± 0 121, , / , , , , , , , ,1 38 bar , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,5 8 64, , , , , , , , , , , , , , , , , , , , , , , , , , , , ,3 43 LPHW ± 0 58, , , , , , , ,6 44 3,0 ± 0 134, , / , , , , , , , ,5 46 bar , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,0 49 LPHW ± 0 70, , , , , , , ,5 52 5,0 ± 0 152, , / , , , , , , , ,4 54 bar , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,6 57 LPHW ± 0 81, , , , , , , ,0 59 9,0 ± 0 174, , / , , , , , , , ,8 61 bar , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,7 76 Motor output [kw] (3 x 400 V) 0,45 0,15 0,45 0,15 0,45 0,15 0,45 0,15 0,45 0,15 Curr. consumpt. [A] (3 x 400 V) 1,7 1,1 1,7 1,1 1,7 1,1 1,7 1,1 1,7 1,1 Air throw, wall-mounted [m]* Air throw, ceiling-mount.[m]* 7,7 5,6 7,6 5,5 7,1 5,0 6,6 4,6 7,7 5,6 Sound-pressure level db[a]** Water capacity [litres] 2,5 3,5 3,5 5,5 Heat exchanger connections R 1 R 1½ R 1½ R 1½ DN 65 -DN 32 * - t room = 10 K ** Sound pressure level measured 5 m from intake, room with average absorption; enclosed space approx m³ 12

13 For MPHW Type Speed [min -1 ] Air vol. V O [m³/h] Hydraulic resistance [kpa] 100 t LA t LA t LA t LA t LA t LA t LE [ C] kw C kw C kw C kw C kw C kw C , , , , , , , , , , , , , , , , , ,0 59 MPHW ± 0 104, , , , , , / , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,9 65 MPHW ± 0 115, , , , , , / , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,1 68 MPHW ± 0 118, , , , , , / , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,3 70 MPHW ± 0 121, , , , , , / , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,9 73 MPHW ± 0 129, , , , , , / , , , , , , , , , , , , , , , , , , , , , , , ,4 87 Page 38-40: Air throws (as influenced by heat increase and discharge accessories) Page 41: Heating output Air volume and air outlet temperatures (as influenced by accessories and speeds) Page 42: Speeds table (in combination with single-stage/ multistage switches) Sound pressure (as a function of speed) Motor output [kw] (3 x 400 V) Curr. consumpt. [A] (3 x 400 V) Air throw, wall-mounted [m]* Air throw, ceiling-mount. [m]* Sound-pressure level db[a]** Water capacity [litres] Heat exchanger connections 0,45 0,15 0,45 0,15 0,45 0,15 1,7 1,1 1,7 1,1 1,7 1, ,7 5,6 7,6 5,5 7,1 5, ,5 5,5 7,5 R 1 R 1½ R 1½ 13

14 Shut-off sets / Fastening accessories Shut-off sets for heat exchangers Shut-off set straight way or rectangular type for flow and return of heat exchanger 25: type 2/ 3/4, 40: type 2/3/4, 63: Type 1, 100: Type 1. suitable for LPHW/MPHW up to max 110 C and an operating pressure up to max. 10 bar, consisting of: Screwed fitting 1 for connection of flow and return including flat sealing. Air separator with automatic shut-off valve in the flow. Filling and draining cock with cover and hose connection in the return. Ball valves with internal thread 1 in both flow and return. Connection possibility 3/4 external thread (i.e. for thermometer) in both flow and return. straight-way type Part.-No rectangular type Part.-No Fastening brackets For wall and ceiling installation, of pentapost sheet steel 2mm, galvanized. Complete set consisting of: 2 Brackets Hexagon screws for assembly to -Unit. Ø 10 mm a b c d e f g h i Part.No x x x x Fastening set for concrete bar-vertical For fastening an -Unit to a concrete bar by suspending it into a pre-assembled fixing rail. Dowels and screws to be provided on site. Set consisting of: fixing rail, 2 suspending rails (galvanized sheet steel), screws and nuts. Part.No Fixing rail Suspending rail Fastening brackets -Unit 14

15 Fastening accessories Fastening set fot steel barvertical b t Part.-No For fastening an -unit to a steel bar by suspending it into a preassembled (via clamping jaws) fixing rail. Suitable for all types of steel bars at a flange width b of mm, and a flange thickness t of 6-21 mm. Consisting of: Fixing bracket, 2 pcs. suspending rails (galvanized sheet steel), 4 pcs clamping jaws, screws and nuts. Fastening set for steel bar - horizontal and inclined without inclination equalization. For fastening an -Unit to a horizontal or inclined steel bar at a flange width b of mm, and a flange fhickness t of 6-21 mm. Consisting of: 2 pcs. suspending rails (galvanized sheet steel), 4 pcs clamping jaws, screws and nuts. * Threaded rods size M8 on site. Installation examples: b t Part.-No * Direct fastening on horizontal steel bar direct fastening on inclined steel bar Indirect fastening on horizontal steel bar Attention: Prior to the application of fastening sets the static conditions of the concrete or steel bars have to be checked and taken into account. Assembly exclusively with basic units at a total depth of 300 mm. 15

16 Fastening accessories Fastening set for steel bar - inclined with inclination equalization For fastening an -Unit to a steel bar at a flange width b of mm, and a flange thickness t of 6-21 mm consisting of: 2 pcs. suspending rails (galvanized sheet steel), 4 pcs. clamping jaws, 4 pcs. inclination equalization clamping jaws Suspending rail Threaded rods M 8 (on site) Fastening brackets -Unit Inclination equalization b t Part.No Angle brackets For wall-mount or ceiling-mount unit heaters complete with mixed air, recirculating air, fresh air or filter section galvanised. Four angle brackets are required for installation. These brackets are enclosed with the intake accessory, as appropriate. (sealing towards wall / ceiling on site) 16 a b c Part.No

17 Discharge accessories Discharge cone Increases the air throw of high-mounted unit heaters. (See Page 39 for air throws) a b c d Part.No Discharge nozzle For long air throws, suitable for air curtains at doors. Oulet temperature for air curtain approx C higher than room temperature. (See Page 39 for air throws) a b c d e Part.No Four-way-discharge With adjustable vanes, suitable for heating low-ceilinged rooms, air is distributed uniformly to all four sides. a b c Part.No

18 Discharge accessories Discharge cross Improves air flow through the room and temperature distribution by thoroughly mixing the current of warm air with the air in the room. The temperature of the warm air stream is lower, so the air throw is longer. Reduces air temperature close to the ceiling, so less heat loss due to ventilation and transmission - up to 15% energy savings. (See Pages for air throws). Part.No Wide-spread discharge Spreads the warm air stream discharged to the side. Air discharge spread up to approx. 120 ; louvre vanes individually adjustable, horizontally and vertically. Part.No Induction louvre Wall-mounted unit Induction louvre for optimising air throw and temperature distribution Functional description The induction louvre divides the warm air stream from the unit heater and inducts secondary air (ambient air) from behind the vanes directly into the core of the warm air stream. The inducted secondary air causes intensive mixing of the warm air with the ambient air over a very short distance, thus reducing the temperature of the warm air stream. This temperature reduction decreases the ascending force of the warm air and increases the air throw, particularly when the unit heater is operating at high leaving air temperatures. The induction louvre (and thus the direction of the warm air stream) is adjustable either by hand or with the aid of an actuator and can therefore be set to suit any operating conditions or room. Ceiling-mounted unit Energy savings Avoids high temperatures close to the ceiling and the associated heat losses by ventilation and transmission. Energy savings up to 15% are possible. Easily retrofitted for upgrading The induction louvre is easily installed, so upgrading existing systems poses no problems. Scope of supply Induction louvre monted to -Unit, with actuator 230V/50 Hz suitable for drive via key button. Alternative: Induction lowre with secondary air cone, manually adjustable. 18

19 Intake accessories Dimensions basic unit with induction louvre a b c d Induction louvre for wall-mounted unit manual setting Part.No with actuator 230 V Part.No with actuator 24V for control system DigiPro fitted and wired Induction louvre for ceiling-mounted unit manual setting Part.No with actuator 230 V Part.No with actuator 24V for control system DigiPro fitted and wired Key button for 230V/50Hz Actuator for induction louvre Part.No Part.No for surface / concealed type installation; for progressive adjustment of the induction louvre and optimisation of the airthrow. surface/concealed type switch Operating voltage Current max. 230 V 10 A Degree of protection IP 20 Part.No auxiliary clamp on site Actuator openclosed 230V induction louvre 19

20 Induction louvre consulting advice Clearances Clearances for wall-mounted units and clearances for ceiling-mounted units, vanes vertical. Ceiling-mounted unit, vanes deflected from 7-9m 9-11 m m m to wall 3-4 m 3-5 m 4-6 m 5-7 m from -12 m - 14 m - 16 m - 18 m to wall 4-6 m 5-7 m 6-8 m 7-9 m Air throw: wall-mounted unit Type Air throw [m]* high speed low speed * Figures represent air throws at defined operating conditions. (mixing temperature 10 K above room temperature) Height above floor, ceiling-mounted unit Type Height above floor [m]* 5 4,5 4 3,5 6 5,5 5 4,5 7 6,5 6 5,5 8 7,5 7 6,5 * The optimum vane angle depends on the height above floor. Higher above floor heights on request. Height wall-mounted unit with adaption cone and induction louvre A B C D E F Type Air volume [m³/h] Max. Height (m) Higher above floor heights on request. 20

21 Intake accessories Mixing box For adjusting the room s air change rate. Fresh air intake at rear, recirculated air intake at side or from above or below if mixing box is turned through 90. Stepless adjustment from recirculated air only through mixed air to fresh air only, manual or with 230 V stepless actuator. a b c d e f g Part.No Return air box Return air box has two side intake grilles for recirculating air; box can also be turned through 90 for intake from above and below. a b c d e Part.No Fresh air box Fresh air box has intake at rear, for connection to a wall shaft or fresh air duct. a b c Part.No

22 Intake accessories Damper for fresh air box a b Part.No. Galvanized damper for installation into fresh air box, sheet steel galvanized. For damper actuators see page Filter box With dust-trap filter insert for fresh air operation, filter class G4. Angle brackets optional. a b c Part.No Intake duct For recirculating air: improves circulation of air at floor level. Galvanised sheet steel. 22 a b c d e* f g h i k Part.No * 1 m additional length according to price list

23 Intake accessories Rain protection hood With bird screen (non-return flap optional) for roof-level fresh air intake. Connects to unit heater by means of roof lead-in box. a b c d Part.No Roof lead-in box Connects the unit heater to the rain protection hood. Roof sealing by others. Galvanised sheet steel. a b c Part.No Covering collar For roof passage. Galvanized sheet steel a b Part.No Intake hood with bird screen With bird screen, for fresh air intake through the wall (non-return flap optional). Galvanized sheet steel. a b c d e Part.No

24 Intake accessories Non return-flap for rain protection/intake hood For installation in rain protection hood or in wall penetration for intake hood. Galvanised sheet steel. a b c d Part.No Weatherproof louvre Weatherproof louvre incorporating bird screen. Galvanised sheet steel. a b c Part.No Weatherproof louvre with non-return flap Weatherproof louvre incorporating bird screen and non-return flap. Galvanised sheet steel. a b c Part.No Flexible connection Flexible connection, 4-hole profile; galvanized sheet steel. Part.No

25 Controllers, switching and automatic 25

26 Switching controllers 1-stage switch D1 for single-speed (on/off) control of one or more unit heaters with full motor protection. *Jumper as per motor rating plate Room thermostat Operating voltage Control voltage Switching capacity, max. Weight 400 V 230 V 3 kw 0,9 kg Degree of protection IP 54 Part.No ** No jumper with room thermostat Automatic start-up when winding temperature drops (motor). 1) TK/ stage switch DS for two-speed control of one or more unit heaters with full motor protection. Operating voltage Control voltage Switching capacity, max. Weight 400 V 230 V 4 kw 0,9 kg Degree of protection IP 54 Part.No Automatic start-up when winding temperature drops (motor). * Remove jumper if room thermostat is connected 1) TK/11-12 Note: 26 Use without switching controller for full motor protection voids the manufacturer s guarantee for the motor! Install in accordance with local power-utility regulations. Full motor protection switches for 3 x 230 V available on request.

27 Switching controllers A1 Ü controller (without explosion-proof switch) As full motor protection for single-speed motors, explosion-proof configuration. The A1Ü controller must be installed outside the hazar-dous area. Operating voltage Control voltage Switching capacity, max. Weight 3 x 400 V 230 V 3 kw 0,6 kg 1 explosion-proof switch 2 A1Ü relay 3 Explosion-proof fan Degree of protection IP 54 Part.No. without explosionproof switch Part.No. with explosionproof switch K1 Auxiliary contactor F1 Control fuse F2 Therm. motor circuit-breaker S1 Explosion-proof switch M1 Fan motor Installation locations: A1Ü outside hazardous area Explosion-proof switch = inside hazardous area Controller A2 For automatic 2-stage control of one or more unit heaters in conjunction with a 2-stage room thermostat or a 2-stage room thermostat timer. The 2-stage room thermostat or room thermostat timer in conjunction with the A2 controller selects speed 0, 1 or 2 in accordance with the required heating output. Operating voltage Control voltage Switching capacity, max. Weight 3 x 400 V 230 V 4 kw 2,0 kg Degree of protection IP 54 Part.No Note: Use without switching controller for full motor protection voids the manufacturer s guarantee for the motor. Install in accordance with local power-utility regulations. Full motor protection switches for 3 x 320 V available on request. 27

28 Switching controllers 3-stage switch D 3-4 with reclosing lock-out for three-speed control of one or more unit heaters with full motor protection. Fan motor with thermo contact Jumper as per motor rating plate Operating voltage Control voltage Current, max. Weight 400 V 230 V 4 A 8 kg Degree of protection IP 20 Part.No Locking switch-off at winding overtemperature (motor): Reclosing: switch position 0, then select required stage. * Remove jumper if room thermostat is connected H1 = Function H2 = Failure S1/K1 = Contact seizure depending on manufacture type 1) TK / stage switch D For five-stage control of one or more unit heaters with full motor protection. Type D5-1 D5-3 D5-7 D5-12 Operating V voltage Control kw voltage Current max. A Weight kg 4,5 7,0 9,0 19,0 Degree of protection IP Fan motor with thermo contact Jumper as per motor rating plate Dimensions Type D5-1 D5-3 D5-7 D5-12 Width A Height B Depth C Part numbers: Type Part.No. * Remove jumper if room thermostat is connected H1 = Function H2 = Failure 1) TK / D D D D Automatic start-up when winding temperature drops (motor). 28

29 Switching controllers 3-stage switch E 3-7T with reclosing lock-out for three-speed control of one or more unit heaters with single-phase a.c. motors and full motor protection. Fan motor with thermo contact Operating voltage Current max. Weight 230 V 7 A 4,5 kg Degree of saturation IP 40 Part.No Locking switch-off at winding overtemperature (motor). Reclosing: switch position 0, then select required stage. * Remove jumper if room thermostat is connected H1 = Function H2 = Failure S1/K1 = Contact seizure depending on manufacture type 1) TK / stage switch E 5-3 For five-stage control of one or more unit heaters with single-phase a.c. motors and full motor protection. Fan motor with thermo contacts Operating voltage Current, max. Weight 230 V 3 A 4,0 kg Degree of saturation IP 40 Part.No Automatic start-up when winding temperature drops (motor). * Remove jumper if room thermostat is connected 1) TK / Note: Use without switching controller for full motor protection voids the manufacturer s guarantee for the motor. Install in accordance with local power-utility regulations. 29

30 Actuators for fresh air or mixed air OPEN/CLOSED actuator, 230 V For motor-actuated operation of fresh air damper in conjunction with A1 automatic relay. starts up fresh air damper opens shuts down fresh air damper closes or antifreeze watchdog trips Stepless actuator, 230 V For stepless, motor-actuated operation of fresh air/return air dampers in conjunction with A1 automatic relay and a position controller in the control cabinet or surface mounted or integrated in the A1S automatic relay. starts up fresh air damper opens to preset setting, return air damper closes to the corresponding setting. shuts down fresh air damper closes, return air damper opens or antifreeze watchdog trips 100%. 30

31 Automatic controllers for damper actuators A1 automatic relay Auxiliary relay for automatic actuation of the fresh air damper with 230 V OPEN/CLOSED actuator. Open/Closed actuator Interchange 2 and 3 to reverse function A1 automatic relay Antifreeze thermostat When the unit heater shuts down or the antifreeze thermostat trips, the A1 automatic relay sets the actuator to the CLOSED position. When the starts up the relay sets the actuator to the OPEN position. Fresh air/return air selector switch (by others) Control voltage Switching capacity, max. 230 V 3 kw Weight 0,5 kg Degree of protection IP 54 Switching controller Open/Closed actuator Interchange 2 and 3 to reverse function Part.No A1 automatic relay A1S automatic relay Auxiliary relay with integral position controller for automatic actuation of the fresh air/return air dampers with 230 V stepless actuator. Stepless actuator When the unit heater shuts down or the antifreeze thermostat trips, the A1S automatic relay sets the actuator to the CLOSED position. When the starts up the relay sets the actuator to the position determined by the position controller. Position controller Control voltage Switching capacity, max. Weight 230 V 3 kw 0,5 kg Degree of protection IP 54 Switching controller Part.No

32 Room thermostats Room thermostat Room thermostat with summer/winter switch Room thermostat with 2-stage control Room thermostat industrial version Room thermostat timer with daily/weekly programming Room thermostat timer with daily/weekly programming and 2-stage control 32 Plastic housing, 75 x 75 x 25 mm for surface mounting. Switching capacities: heating 10(4) A, cooling 5(2) A at 230 V / 50 Hz, thermal feedback signal. Temperature range 5-30 C Switching differential 0,5 K Degree of protection IP 30 Part.No Plastic housing, 75 x 75 x 25 mm for surface mounting. Switching capacity: heating 10(4) A, cooling 5(2) A at 230 V/ 50 Hz, thermal feedback signal. Temperature range 5-30 C Switching differential 0,5 K Degree of protection IP 30 Part.No Plastic housing,125 x 75 x 25 mm for surface mounting. In conjunction with the A2 automatic controller suitable for automatic 2-stage operation of the unit heater. Switching capacity 10(4) A at 230 V Temperature range 5-30 C Switching differential 0,5 K Differential of stages 1K Degree of saturation IP 30 Electric connection see A2 controller Part.No In metal housing with plastic front panel, 117 x 71 x 30 mm for surface-mounting. Switching capacity 15(8) A at 230 V / 50 Hz Temperature range 0-35 C Switching differential 0,5 K Degree of saturation IP 54 Part. No Plastic housing, 162 x 80 x 44 mm for socket installation, nighttime reduction with daily/weekly programming (selectable), daytime and night-time temperatures can be set separately. 24-hour-programme: programmable every 5 minutes, shortest switching interval 15 minutes. 7-hour-programme: programmable every 30 minutes, shortest switching interval 2 hours. Switching capacity: 5 A at 230 V / 50 Hz Temperature range 6-26 C Switching differential 0,2 K Degree of protection IP 30 Part.No In plastic housing 162 x 80 x 44 mm for socket installation, night time reduction with daily/weekly programming (selectable), daytime and night-time temperatures can be set seperately. 24-hour-programme: programmable every 5 minutes, shortest switching interval 15 minutes. 7-day-programme: programmable every 30 minutes, shortest switching interval 2 hours. Switching capacity 6 A at 230 V / 50 Hz Temperature range 6-26 C Switching differential adjustable 0,5-2,5 K Degree of saturation IP 30. Part.No In conjunction with the A2 automatic controller suitable for automatic 2-stage operation of the unit heater.

33 Thermostats, control interface box Room thermostat timer with daily/weekly programming and remote temperature sensor. Antifreeze thermostat mounted Differential pressure gauge Intermediate terminal box In plastic housing 162 x 80 x 44 mm for socket installation nighttime reduction with daily/weekly programming (selectable), daytime and night-time temperatures can be set seperately. 24-hour-programme: programmable every 5 minutes, shortest switching interval 15 minutes. 7-day-programme: programmable every 30 minutes, shortest switching interval 2 hours Switching capacity 10 A at 230 V / 50 Hz Temperature range 6-34 C Switching differential 0,2 K Degree of saturation IP 30 Cable for remote sensor, max. length 50 m Degree of protection IP 64 Part.No If the air outlet temperature drops below a preset value the antifreeze thermostat shuts down the unit heater, thus preventing frost damage to the heat exchanger. The unit heater restarts automatically when the air outlet temperature rises. The antifreeze thermostat must be connected in series with the thermo contacts. Switching capacity 10 A at 230 V / 50 Hz Range of adjustment 2 C to 20 C. Switching differential 2,5 K Degree of protection IP 43 Dimensions B x H x T 85 x 75 x 40 mm Part.No for filter control, only in combination with DigiPro Part.No Intermediate terminal box for parallel connection of max. 3 unit heaters with 3 x 400V, 50Hz motors. Degree of protection IP 54 Dimensions B x H x T 105 x 170 x 112 mm Part.No Control interface box Switching or automatic controller Control interface box For operating an unit in conjunction with a Wolf boiler. - Outdoor-temperature-sensitive control for radiators and underfloor heating. - Complete wiring with plugs - Priority circuit /SHW-storage to be selected deliberately via jumper - Connection for -circulating pump and SHW-storage charging pump - Storage thermostat SP 1 (substitute for electronic sensor) included in scope of supply - Application for swimming pool heating possible - Drive via potential free contact or drive phase of motor or thermostat drive Degree of protection IP 54 Dimensions B x H x T 220 x 170 x 110 mm Part.No

34 Control configurations Control configuration A Heating and ventilating in return air mode without damper actuator or heating and ventilating in fresh air only mode without return air with OPEN/CLOSED damper actuator. Description - Room temperature controlled by room thermostat or room thermostat timer. - Room thermostat timer for timed reduction of room temperature. - Antifreeze thermostat for fresh air mode: if the discharge temperature at the heating coil drops below the preset value, the actuator closes the fresh air damper and the fan is shut down. - OPEN/CLOSED damper actuator(230 V a.c.) for automatic actuation of the fresh air damper. (Damper opens when the unit heater starts up. Damper closes when the unit heater shuts down or if the antifreeze thermostat trips). - Control cabinet with: - Indicator lights for fan on and fan malfunction - DS speed selector switch for 2-stage fan operation or D5 for 5-stage fan operation. - Selector switch for heating/ventilation Note: This configuration can also be used to operate multiple unit heaters connected in parallel: the configuration limit is imposed by maximum permissible switching capacity or maximum permissible current. 34

35 Control configurations Control configuration B Heating and ventilating in mixed air mode with stepless damper actuator for variable fresh air/return air mix. Description - Room temperature controlled by room temperature sensor. - Room thermostat timer for timed reduction of room temperature. - Antifreeze thermostat for fresh air mode: if the discharge temperature at the heating coil drops below the preset value, the actuator closes the fresh air damper and the fan is shut down. - Stepless damper actuator (230 V a.c.) for automatic actuation of fresh air damper and return air damper (when unit heater starts up, dampers open to position set by position controller. Fresh air damper closes and return air damper opens when unit heater shuts down or if the antifreeze thermostat trips.) - Control cabinet with: - Position controller for remote control of fresh air/return air dampers - Timer for periodic room temperature reduction - Indicator lights for fan on and fan malfunction - DS speed selector switch for 2-stage fan operation or D5 for 5-stage fan operation - Selector switch for heating/ventilation Note: This configuration can also be used to operate multiple unit heaters connected in parallel: the configuration limit is imposed by maximum permissible switching capacity or maximum permissible current. 35

36 Control configurations Control configuration C Heating and ventilating with unit heater in continuous operation with stepless damper actuator for variable fresh air/return air mix; room temperature control with room temperature sensor for controlling a mixing valve with stepless actuator. Alternative to room-temperature control; supply air temperature control with supply air temperature sensor for controlling a mixing valve with stepless actuator. Description - Room temperature controlled by room temperature sensor. - Option: Supply air temperature control with supply air temperature sensor - Timer for periodic reduction of room air/supply air temperature or unit heater shutdown - Antifreeze thermostat for fresh air mode: if the discharge temperature at the heating coil drops below the preset value, the actuator closes the fresh air damper and the fan is shut down. - Stepless damper actuator (230 V a.c.) for automatic actuation of fresh air damper and return air damper (when unit heater starts up, dampers open to position set by position controller. Fresh air damper closes and return air damper opens when unit heater shuts down or if the antifreeze thermostat trips.) - Mixing valve with stepless actuator for inlet temperature adjustment as a function of room temperature or supply air temperature - Control cabinet with: - Position controller for remote control of fresh air/return air dampers - Timer for periodic room temperature reduction/ shutdown - Temperature setpoint controller for daytime temperature - Temperature setpoint controller for night-time temperature - Indicator lights for fan on and fan malfunction - DS speed selector switch for 2-stage fan operation or D5 for 5-stage fan operation. - Selector switch for ventilation/heating with reduction/heating off at night Note: This configuration can also be used to operate multiple unit heaters connected in parallel: the configuration limit is imposed by maximum permissible switching capacity or maximum permissible current. 36

37 Control DigiPro System configuration with control DigiPro Example for system configuration single units General controller Unit heater power gate module No.1 The control DigiPro is installed on top of the unit heater and completely wired. As an option the control DigiPro may be as well used i.e. for a seperate wall installation. This is applicable for either single units, unit groups or complete systems (several single units or unit groups) with several different temperature zones. Notice: Max. cable length 3m from unit to control. Longer distances on request. Control type not possible with electric heating coils. The control DigiPro provides a completely configurated system ready for connection, suitable for control and monitoring functions in ventilation systems. The minimum assembly consists of a general controller and a unit heater with a power gate module. The components are connected by means of a two-wire bus (ebus). It is possible to integrate up to 32 unit heaters (furnished with either a power gate module or a group module) into the bus system. Unit heater Powergate module No.2 Boiler Radioclock receiver Wireless remote control receiver Unit heater group module No.32 Demanding module The operation of the system does not require any knowledge or operation, configurated ex works. Cost intense programming is avoided. To provide communication between a mobile network and the general controller, the latter may be equipped with an ISDN-Interface. In case of disturbances messages are sent either to a mobile phone, fax or PC.. This increases the operation security and availability of the units significantly. Furthermore there is a LON-Interface available to connect the control to a LON-Bus, in order to combine the different systems in an intelligent way. General Controller GC Design - Two-shell casing protection class IP30 - Keyboard with 10 functional keys for easy operation - illuminated 4-line LCD-graphic display - additional connection for external sensor and room temperature sensor, external system start-up and collective operation status display possible Standard Functions - Either progressive or 2-speed control of fan-motor assemblies possible, depending on power gate module - Different operating modes adjustable: Standby, pre-heating program, auxiliary mode heating, quick heating, night ventilation, exhaust air management, quick ventilation, low noise operation, burner demand, induction louvre control, axial ceiling fan type LD-15 control, pump and mixing valve protection function - menu system with clear text display for an easy user guiding - 8 different temperature zones max. seperately controllable - 8 programmable on/off times per day and zone possible - 10 adjustable periods for vacation available 37

38 Control General Controller DigiPro Standard functions - easy automatic commissioning by reading out the client s specific data from the powergate modules - many basic adjustments already integrated ex works Standard monitoring functions - recording of failures with date, time, quantity - diagnosis and reasonableness monitoring of the system - sensor monitoring with automatic emergency service of the installation (selective) Optional functions - ISDN-Interface for service-sms to mobile telephone (accessory) - LON-Interface for interaction with a building monitoring bus (accessory) - radio clock module for automatic time synchronisation (accessory) - radio remote control for modification of fan speed and on alternative function (accessory) Master unit with power gate module Power gate module Temperature control via fan speed - electrical connections existing on unit heater are internally wired - optically appealing aluminium die cast casing with integrated mains isolator - extremely low fan noise via most modern motor capacity electronics, power gate module configurated for heating mode - 3 different fan capacity variations to be selected via power gate modules: Power gate module FHE 230 V~/2,2 kw for progressive speed control of fan/motor assembly Power gate module FHZ 400V~/2,2 kw for 2-speed control of fan/motor assembly Power gate module FHD 400V~/2,2 kw for progressive speed control of fan/motor assembly - Setting of address of outstanding unit via DIP-switches Standard functions - pre-programmed system specifically configurated in the factory - optimized tuning for individual systems and expandable for growing installations - type of control: temperature controlled fan speed - room temperature sensor for different temperature zones alternatively - room temperature sensor with set point adjuster - full motor protection via thermal cut out - various monitoring functions integrated (frost protection, fire protection, filter monitoring etc.) - integrated optional functions; i.e. mixing damper control, shut-off valve, fresh air damper open/ closed - mains supply and voltage supply of fan/motor assemblies of slave units Master unit with power gate module 38 Power gate module Temperature control via fan speed or mixing valve - existing electrical connections of the -unit are internally wired - optically appealing aluminium die cast casing with integrated mains isolator - extremely low fan noise via most modern motor capacity electronics, power gate module configurated for heating mode - 3 different fan capacity variations to be selected via power gate modules: Power gate module FKE 230 V~/2,2 kw for progressive speed control of fan/motor assembly and progressive drive of an induction louvre Power gate module FKZ 400V~/2,2 kw for 2-speed control of fan/motor assembly and progressive drive of an induction louvre Power gate module FKD 400V~/2,2 kw for progressive speed control of fan/motor assembly and progressive drive of an induction louvre - setting of address of outstanding unit via DIP-switches Standard functions - pre-programmed system specifically configurated in the factory - optimized tuning for individual systems and expandable for growing installations - types of control: temperature controlled fan speed or mixing valve control optional - room temperature sensor for different temperature zones alternatively-room temperature sensor with set point adjuster - full motor protection via thermal cut out - various monitoring functions integrated (frost protection, fire protection, filter monitoring etc.) - integrated optional functions: i.e. mixing damper control, control of axial ceiling fan LD-15, control of induction louvre, heating circuit pump control, mixing valve control, fresh air damper open/ closed

39 Control System Slave unit with group module Group module DigiPro An -master unit with a power gate module may be extended by max. up to 5 pcs. -slave units provided with a group module each to a system, consisting of 6 units. It has to be secured, that the max. nominal capacity of the power gate module is not exceeded. Mains supply and motor supply of the single group modules are provided by the power gate module. Electrical connections existing on unit heater are internally wired. 2 different configurations may be selected: a) Group module GUE, GUZ, GUD for return air and b) Group module GME, GMZ, GMD for mixed air 3 different fan/motor vvariations may be selected: a) Group module GUE, GME for 230V~/2,2 kw progressive b) Group module GUZ, GMZ for 400V~/2,2 kw 2-speed c) Group module GUD, GMD for 400V~/2,2 kw progressive Example system arrangement slave units Mains supply 230V~ Mains supply 230V~ or 400V~ Setting of address of outstanding unit via DIP-switches on the corresponding group module. Standard display: Full motor protection (thermal cutout) i.e. on 5... released. Frost protection thermostat (with mixed air operation) i.e. on 2... has switched off. Mains/motor supply Function group module 1 Master unit with power gate module 2 slave unit with group module e bus 3 slave unit with group module 4 slave unit with group module 5 slave unit with group module 6 slave unit with group module GUE 230V~ Progressive fan speed, return air function, for power gate module FHE GUZ 400V~ 2 fan speeds, return air function, for power gate module FHZ GUD 400V~ Progressive fan speed, return air function, for power gate module FHD GME 230V~ Progressive fan speed, progressive drive of mixed air damper, progressive induction louvre, for power gate module FHZ/FKZ GMZ 400V~ 2 fan speeds, progressive drive of mixed air damper, progressive induction louvre, for power gate module FHE/FKE GMD 400V~ Progressive fan speed, progressive drive of mixed air damper, progressive induction louvre, for power gate module FHD / FKD Accessories GBK Additional module Additional module required for different temperature zones (boiler demand via contact) SF1 Sinus filter With power gate module 400V progressive (FHD, FKD) and a motor cable length exceeding 50m from the master unit to the most distant slave unit, a sinus filter has to be installed at the output of the frequency converter. 39

40 Control System DigiPro Survey Master unit for return air or mixed air operation Fan drive 1 x 230V / 50Hz 3 x 400V / 50Hz progressive 2-speed progressive Power gate module Type FHE FKE FHZ FKZ FHD FKD Part.-No Temperature control via fan speed - Temperature control via mixing valve - Frost protection thermostat - Progressive actuator 24V for - induction louvre Room temperature sensor QAA (in combination with induction louvre only) Actuator 230V/50Hz for fresh air damper open/closed Room temperature sensor QAA Ceiling sensor QAA (in combination with induction louvre only) Room temperature sensor with set point adjuster QAA Survey Slave unit for return air or mixed air operation Fan drive 1 x 230V / 50Hz 3 x 400V / 50Hz progressive 2-speed progressive Group module Type GUE GME GUZ GMZ GUD GMD Part.-No Frost protection thermostat - Progressive actuator 24V for induction louvre - Progressive actuator 24V for mixing damper Motor protection via thermal - cut out possible not possible Unit configuration of unit heaters with control system DigiPro 1. Selection of basic unit: unit size, heat exchanger type s.p. 4 (control type DigiPro not possible with electric and steam heating coils) 2. Selection of power gate module for master unit / group module for slave unit s.p Selection of fan motor s.p. 4 DigiPro 400 V 2-speed standard motor 400 V progressive progressive motor 230 V progressive single phase motor 4. Selection of installation kit for DigiPro s.p Selection of further accessories 6. Fill data into specification from p.53 on Installation kit for control system DigiPro Part.-No Consisting of: Casing panel (top) with cutout for casing of control system DigiPro. 2 pcs. fastening brackets Installation carried out in the factory; later retrofitting not possible.

41 Control System DigiPro Example: different temperature zones Example: communication possibilities Wolf Service interface RS 232 SMS alarm ISDN-Interface LON-Interface ebus ebus ebus Radio clock module Radio remote control 41

42 Electrical connection/special drives Note: unit heaters with thermo contacts and antifreeze thermostats unit heaters of different sizes and ratings can be connected in parallel to a common switching controller with full motor protection: the configuration limit is imposed by the maximum permissible switching capacity or the maximum permissible current rating of the controller. unit heaters with thermostat If multiple unit heaters are connected it is essential to ensure that the motor terminals are connected in parallel and that the thermo contacts and antifreeze thermostats are connected in series. Therminal 5 installed by others. -single-stage/multistage switch or automatic controller (e.g. DS single-stage/multistage switch) -single-stage/multistage switch or automatic controller (e.g. DS single-stage/multistage switch) Number of conductors for connecting cables Connection from Switching controller to D1 DS D3-4 D5... E3-7T E5-3 A1Ü A1 A2 A1S Mains supply motor 3 x 400 V motor 1 x 230 V Room thermostat ¾ 1) ¾ 1) ¾ 1) ¾ 1) ¾ 1) ¾ 1) ) - Room thermostat timer ) - Automatic relay A A1S autom. controller Actuator Explosion-proof switch ) In conjunction with a room thermostat with thermal feedback signal. 2) 2-stage Use 3-core cable for connection to antifreeze thermostat. Single-phase a.c. motors 230 V/ 50 Hz unit heaters are available with single-speed, single-phase a.c. motors for high-speed operation. Speed control with 5-stage switch type E5-3 for 25, 40, 63. No single-phase a.c. motor available for 100. Thermo contact in series with motor winding Thermo contact in control circuit 5-stage switch E5-3 Terminal box on mixing box E EX e II T3 rated explosion-proof fan motors Each unit heater can be equipped with a single-speed, explosion-proof three-phase motor for high-speed operation. Wiring for 3 x 230 V 5-stage switch E5-3 Wiring for 3 x 400 V Y Notice: Explosion proof motors are not furnished with integrated winding protection. In order to provide complete motor protection, each -Unit has to be connected to a controller type A1Ü. 42 Note: No integral winding protection in explosion-proof motors.

43 Consulting advice horizontal air throws The horizontal air throw is the distance travelled by the warm air discharged by the wall-mounted unit heater Example: 100 with discharge louvre; t A = t Aoff - t room = 20 K; air volume = m³/h Result: horizontal air throw = 17 metres 43

44 Consulting advice Vertical Air throws The vertical air throw is the distance travelled by the warm air discharged by the unit heater Example: 100 with discharge louvre; t A = t Aoff - t room = 20 K; air volume = m³/h Result: horizontal air throw = 6,6 metres 44

45 Consulting advice vertical air throws with discharge louvres and discharge cross

46 Performance and influence of accessories Key to symbols Conversion: 1 Pa = 0,1 mm WS 1 kpa = 1000 Pa Accessory index k: Mixing box 3 Four-way discharge 2 Discharge nozzle 2 Discharge cone 2 Wide-spread discharge 0 Filter, clean 5 Intake duct 2 Rain protection hood 2 Weatherproof louvre 7 Non-return flap 3 Fresh air box 0 Return air box 0 Intake hood 1 Discharge cross 1 Ind.louvre (wall-mounted) 2 Ind.louvre (ceiling-mounted) 3 V = air volume m³/h V B = reference air volume m³/h V O = catalogue air volume m³/h V eff = effective air volume m³/h t on = air intake temperature C = air discharge temperature C t Aoff = effective air discharge temperature C t A = air heat increase K t W = temperature difference of water K W = water flow rate m³/h Q = thermal output kw = catalogue thermal output kw Q eff = effective thermal output kw p = air resistance Pa p W = hydraulic resistance kpa e = factor for heat-rise q eff = factor for heating output l eff = factor for air volume K = accessory index of entire unit To calculated k for accessories k = 0,1! p! ( ) 2 V B V B V p = air resistance (Pa) at V (m³/h) V=air volume (m³/h) at p (Pa) m³/h m³/h m³/h m³/h Example Assuming: 100 Type4, t on = -5 C, LPHW 50/40 From performance table on Page 12: (always take figures for high speed, because factors correcting for operation at lower speed are taken into account in the characteristics graph). = 7700 m³/h = 96,1 kw = 29 C = (29+5) K = 34 K V O t AO Mains supply 3 x 400 V 5-stage switch, set to stage 1 from speeds table on Page 47: 440 rpm Accessories: mixing box k = 3; Accessories installed by others: Fresh air duct p = 10 Pa at 5000 m³/h k = 0,1! 10! k = 4 k = = 7 100, 440 rpm, k = 7 from characteristics graph: l eff = 0,4 e = 1,35 q eff = 0,55 Find: ( ) Characteristics graph Speed (rpm) 25/40 46 Speed (rpm) 63/100 l eff (Factor for air volume) e (Factor for heat incr.) q eff (Factor f. heat. outp.) Effective air volume Effective air heat increase Effective air discharge temp. Effective heating output Water flow rate Hydraulic resistance Result: V eff t Aeff t A off Q eff W p w V eff = V O! l eff = 7700 m³/h! 0,4 = 3080 m³/h t A eff = t AO! e = 34 K! 1,35 = 45,9 K t A off = t on + t A eff = ,9 C = 40,9 C Q eff =! q eff = 96,1 kw! 0,55 = 52,9 kw 0,86! Q w = eff 0,86! 52,9 t = = 4,5 m³/h w 10 p w (see diagram, Page 13) = 8,5 kpa

47 Speeds table/sound pressure level Speeds table for fan motors Mains voltage Stage Single-stage switch Speed Speed Speed Speed rpm rpm rpm rpm 3 x 400 V x 400 V Y x 230 V x 230 V Y Two-stage switch 3 x 400 V II x 400 V Y I x 230 V II x 230 V Y I Three-stage switch 3 x 400 V III V II V I x 400 V Y III V Y II V Y I x 230 V III V II V I Five-stage switch 3 x 400 V V V IV V III V II V I x 400 V Y/ V x 230 V IV III II I x 230 V Y V IV III II I x 230 V V V IV V III V II V I Sound pressure levels as a function of speed Speed Sound Sound Speed Sound Sound Speed Sound Sound Speed Sound Sound power pressure power pressure power pressure power pressure level level* level level* level level* level level* rpm dba dba rpm dba dba rpm dba dba rpm dba dba 2 m 2 m 2 m 2 m * Sound pressure levels measured in room with average absorption, enclosed space approx. ca m³ 47

48 Consulting advice Notes on configuration General notes on planning Required air volume (m³/h) at least 2.5 and preferably 3-4 times enclosed space. Make sure a current of warm air is not directed against persons. Distance between unit heaters m. Distance from floor for wall-mounted units at least 2.5 m and max. 4 m. Take air throws into account. Use wide-spread discharge if unit heater is not far from opposite wall. Use discharge cone or induction louvre if air throw of ceiling-mounted unit with standard discharge louvres is insuffient. Use four-way discharge in low-ceilinged room if distance from bottom of discharge louvres to floor is less than approx. 2.5 m. Wall-mounted unit 48

49 Consulting advice Notes on configuration Ceiling-mounted units Clearance for ceiling-mounted units in metres to to wall Discharge accessories for optimum air distribution given the distances as stated above, air heat increase t A ( = t outlet - t room ) of approx. 25 K and high speed Distance: discharge to floor up to 2,5 m Four way Four way Four way Four way discharge discharge discharge discharge 3-4 m Wide-spread Wide-spread Wide-spread Wide-spread discharge discharge discharge discharge 4-5 m Cone Cone Standard louvre Wide-spr. dischar. 5-6 m Cone Cone Cone Standard louvre ab 6 m Cone Cone Cone Cone This accessories table does not apply if the temperature differential t A is superior to 30K, because at this delta penetration is reduced. 49

50 Consulting advice Notes on configuration Door-curtain system with discharge nozzle Position the unit heaters for a door-curtain system close together. If requirements are high use a double-row array. Discharge temperature K above room temperature. Additional unit heater without heat exchanger installed to improve air circulation Air volumes for unit heaters without heat exchangers Air volume m³/h 1400/ / / /10700 Speed min / / / /900 50