COMPLETE PACKAGED AIR HANDLING UNITS WITH ALL THE NECESSARY CONTROLS.

Transcription

1 COSMRT BOXR HU STDRD COFIGURTIOS COMPT PCKGD IR HDIG UITS WITH TH CSSRY COTROS

2 IR HDIG UITS (HU S) COSMRT BOXR TCHIC IFORMTIO BFITS VRY QUIT 25mm double skinned panels provide better acoustic and thermal properties over conventional HU s. PRT D RGY FFICIT Fan impellers are selected for optimum efficiency and noise characteristics. Motors are I2 to BS 5000 direct drive and high efficiency belt drive. COI OPTIOS DX & chilled water coils are available, call uaire for further details. ote: Undressed coils are also available. RDUC ISTTIO TIM ll components are pre-assembled, wired and tested at the uaire manufacturing facility. Units are delivered conveniently in sections for easy site assembly. IMPROVD IF CYC/O SYSTM OVRODS is pre-programmed to automatically give a soft start function which prevents electrical overloading and minimises mechanical wear. WRRTY Boxer has a 5 year warranty. SIMP PRCIS COMMISSIOIG Minimum and maximum ventilation rates precisely set and limited at HU requiring no throttling dampers. OG STIG ach section is manufactured from a highly rigid pentapost framework with heavy gauge luzincy, corrosion resistant steel panels. RGY FFICIT ll models have controls built in, which provide the most energy efficient and cost effective solution. COSTT PRSSUR COTRO VIB For further information contact uaire. CIRIS & COMPOT OPTIOS: Weather terminals. Silencers. Dampers. Monometrer. Vertical and horizontal heat exchangers. Base frames. DX Coils. Filter sizes 1 & 2 = G4 panel, sizes - 7 = G4 bag or G4 bag & F7 bag. nuaire.co.uk 99

3 IR HDIG UITS (HU S) COSMRT BOXR TCHIC IFORMTIO PRFORMC - COSMRT BOXR SIZS 1 and 2 Casing Boxer supply unit filter and heating coil ed in duct V ISO Fan Static Pressure (Pa) H 2H Boxer sizes 1 and 2. Fan Static Pressure (Pa) ir volume flow rate (m /s) Boxer supply Unit filter and heating and cooling coil Fan Static Pressure (Pa) H 1 2H Boxer fan unit only 1H 1 ir volume flow rate (m /s) 2H 2 ed in duct V ISO ed in duct V ISO Code descriptions SBH S C Boxer range 2. S = Supply X = xtract. Size = ow Pressure hot water heater battery C = ow Pressure hot water heater battery and CHCW chilled water cooling coil D = ow Pressure hot water heater battery and DX cooling coil D = lectric heater battery and DX = Direct expansion (refrigerant type coil) ote: If no control is required example code would be: BHS2C-C. If fan control only is required (undressed coils) example code would be: BHS2FC-C ir volume flow rate (m /s)

4 IR HDIG UITS (HU S) COSMRT BOXR TCHIC IFORMTIO PRFORMC - COSMRT BOXR SIZS 1 and 2 CTRIC & SOUD Motor lectric Fan Input Ducted sound power levels db re 1pW Breakout Rating Coil Data Power Data db@ Curve (kw) (kw) (watts) RPM Type K 2K 4K 8K m I inlet O outlet H I inlet O outlet I inlet O outlet H I inlet O outlet XTRCT FC SC Curve Code Phase (amps) (amps) 1 SBHX H SBHX1H SBHX H SBHX2H SUPPY WITH CTRIC HTR Total FC Total SC Curve Code Phase (amps) (amps) 1 SBHS H SBHS1H SBHS H SBHS2H SUPPY WITH CTRIC HTR & COOIG COI FC SC Curve Code Phase (amps) (amps) 1 SBHS1-C H SBHS1H-C H SBHS2H-C SUPPY WITH CTRIC HTR & DX COOIG COI FC SC Curve Code Phase (amps) (amps) 1 SBHS1-D H SBHS1H-D SBHS2-D H SBHS2H-D SUPPY WITH PHW HTR Flow valve setting FC SC Curve Code Phase (amps) (amps) 1 SBHS H SBHS1H SBHS H SBHS2H SUPPY WITH PHW HTR & DX COOIG COI FC SC Curve Code Phase (amps) (amps) DX COI DT Max ir kw vap. PD Conn Unit Flow Rating temp through size Size m /s R407C deg C Coil KPa x12&16od x12&22od 1 SBHS1-D H SBHS1H-D SBHS2-D H SBHS2H-D SUPPY WITH PHW HTR & COOIG COI FC SC Curve Code Phase (amps) (amps) 1 SBHS1-C Unit Size Coils In Out Coils In Out Coils In Out BSP 0.75BSP 1 BSP 1 BSP 1.25BSP 1.25BSP BSP 0.75BSP 1.25BSP 1.25BSP 1.25BSP 1.25BSP For wiring diagrams refer to pages H SBHS1H-C SBHS2-C H SBHS2H-C Download specification from nuaire.co.uk 101

5 IR HDIG UITS (HU S) COSMRT BOXR TCHIC IFORMTIO DIMSIOS D COFIGURTIOS BOXR sizes 1 and 2 DIMSIOS (mm) & WIGHTS (KG) ength B SBHX* SBHS*/ SBHS* C/D, D/C & Size W W W B C D dia D B: Units are handed left hand side as standard. (=ength, W=Weight). Right hand side is available on request. For component Z factors please refer to page 109. D dia C D1 irflow irflow Model shown: size 1 and 2 (right hand extract). Model shown: size 1 and 2 (left hand extract). Model shown: size 1 and 2 (right hand PHW supply). Model shown: size 1 and 2 (left hand PHW supply). Model shown: size 1 and 2 (right hand electric supply). Model shown: size 1 and 2 (left hand electric supply)

6 IR HDIG UITS (HU S) COSMRT BOXR TCHIC IFORMTIO PRFORMC - COSMRT BOXR SIZS - 7 Casing Boxer supply unit filter and heating coil 1200 ed in duct 1000 V ISO Fan Static Pressure (Pa) Boxer sizes ir volume flow rate (m /s) Boxer Supply unit filter and heating and cooling coil Fan Static Pressure (Pa) Boxer fan unit only Fan Static Pressure (Pa) ir volume flow rate (m /s) ed in duct 7 V ISO ed in duct V ISO Code descriptions SBH S - - C Boxer range 2. S = Supply X = xtract. Size = ow Pressure hot water heater battery C = ow Pressure hot water heater battery and CHCW chilled water cooling coil D = ow Pressure hot water heater battery and DX cooling coil D = lectric heater battery and DX = Direct expansion (refrigerant type coil) ote: If no control is required example code would be: BHSC-C. If fan control only is required (undressed coils) example code would be: BHSFC-C. Please note: Sizes - 7 do not have filters included as standard ir volume flow rate (m /s).b. Unit air volume flowrates are calculated by component velocity. Download specification from nuaire.co.uk 10

7 IR HDIG UITS (HU S) COSMRT BOXR TCHIC IFORMTIO PRFORMC - COSMRT BOXR SIZS - 7 CTRIC & SOUD Motor lectric Fan Input Ducted sound power levels db re 1pW Breakout Rating Coil Data Power Data db@ Curve (kw) (kw) (watts) RPM Pole Phase Type K 2K 4K 8K m I inlet O outlet I inlet O outlet I inlet O outlet I inlet O outlet I inlet O outlet CODIG Supply with Supply with Supply with PHW Heater PHW Heater & xtract PHW Heater & Coil DX Coil FC SC Curve Code Code Code Code (amps) (amps) SBHX SBHS- SBHS-C SBHS-D SBHX4 SBHS4- SBHS4-C SBHS4-D SBHX5 SBHS5- SBHS5-C SBHS5-D SBHX6 SBHS6- SBHS6-C SBHS6-D SBHX7 SBHS7- SBHS7-C SBHS7-D Flow valve setting. CODIG Supply with Supply with lectric Heater & Supply with lectric Heater DX Coil lectric Heater & Coil FC SC Curve Code Code Code (amps) (amps) SBHS-D SBHS- SBHS-C SBHS4-D SBHS4- SBHS4-C SBHS5-D SBHS5- SBHS5-C SBHS6-D SBHS6- SBHS6-C SBHS7-D SBHS7- SBHS7-C DX COI DT Max ir kw vap. PD Conn Unit Flow Rating temp through size Size m /s R407C deg C Coil KPa x12&22od x12&28od x22&5od x22&5od x22&42od Z FCTORS FOR CIRIS Casing Module Silencer Damper coil PHW coil electric Weather cowl Unit Coils Coils Coils Size In Out In Out In Out 1 BSP 1 BSP 1.25BSP 1.25BSP 1.25BSP 1.25BSP 4 1 BSP 1 BSP 1.25BSP 1.25BSP 1.5BSP 1.5BSP BSP 1.25BSP 1.5BSP 1.5BSP 2 BSP 2 BSP BSP 1.25BSP 2 BSP 2 BSP 2 BSP 2 BSP 7 1.5BSP 1.5BSP 2 BSP 2 BSP 2 BSP 2 BSP Plate heat exchanger H or V For wiring diagrams refer to pages

8 IR HDIG UITS (HU S) COSMRT BOXR TCHIC IFORMTIO DIMSIOS D COFIGURTIOS BOXR size - 7 ength B DIMSIOS (mm) & WIGHTS (KG) SBHX* SBHS*/ SBHS* & Size W W W B C F G H F C B: Units are handed left hand side as standard. (=ength, W=Weight). Right hand side is available on request. H G irflow irflow Model shown: size 7 (right hand with cooling coil). Model shown: size 7 (left hand with cooling coil). Model shown: size 7 (right hand with DX cooling coil). Model shown: size 7 (left hand with DX cooling coil). Model shown: size 7 (right hand supply with electric heater). Model shown: size 7 (left hand supply with electric heater). Download specification from nuaire.co.uk 105

9 IR HDIG UITS (HU S) COSMRT BOXR TCHIC IFORMTIO COSMRT BOXR SIZS - 7 Model shown: size 7 (right hand supply with electric heater and cooling coil). Model shown: size 7 (left hand supply with electric heater and cooling coil). Model shown: size 7 (right hand supply with electric heater and DX coil). Model shown: size 7 (left hand supply with electric heater and DX coil). Model shown: size 7 (right hand supply with PHW heater). Model shown: size 7 (left hand supply with PHW heater). Model shown: size 7 (right hand supply with PHW heater and cooling coil). Model shown: size 7 (left hand supply with PHW heater and cooling coil).)

10 IR HDIG UITS (HU S) COSMRT BOXR TCHIC IFORMTIO COSMRT BOXR SIZS - 7 Model shown: size 7 (right hand supply with PHW heater and DX cooling coil). Model shown: size 7 (left hand supply with PHW heater and DX cooling coil). Model shown: size 7 (right hand with extract). Model shown: size 7 (left hand with extract). Please note: Sizes - 7 do not have filters included as standard. Download specification from nuaire.co.uk 107

11 Connection size Connection size Connection size Connection size Connection size IR HDIG UITS (HU S) COSMRT BOXR COIS FOR PHW TCHIC IFORMTIO COSMRT BOXR Size 1 and 2 2 ROW ir Volume Flow rate (m /s) Water Heat ir Off Water flow Water dp Heat ir Off Water flow Water dp Heat ir Off Water flow Water dp on/off ir On Output C rate Output C rate Output C rate C C (kw) C (l/s) (kpa) (kw) C (l/s) (kpa) (kw) C (l/s) (kpa) / / / COSMRT BOXR Size 2 ROW ir Volume Flow rate (m /s) Water Heat ir Off Water flow Water dp Heat ir Off Water flow Water dp Heat ir Off Water flow Water dp on/off ir On Output C rate Output C rate Output C rate C C (kw) C (l/s) (kpa) (kw) C (l/s) (kpa) (kw) C (l/s) (kpa) / / / COSMRT BOXR Size 5 2 ROW ir Volume Flow rate (m /s) Water Heat ir Off Water flow Water dp Heat ir Off Water flow Water dp Heat ir Off Water flow Water dp on/off ir On Output C rate Output C rate Output C rate C C (kw) C (l/s) (kpa) (kw) C (l/s) (kpa) (kw) C (l/s) (kpa) / / / COSMRT BOXR Size 6 2 ROW ir Volume Flow rate (m /s).9 2 Water Heat ir Off Water flow Water dp Heat ir Off Water flow Water dp Heat ir Off Water flow Water dp on/off ir On Output C rate Output C rate Output C rate C C (kw) C (l/s) (kpa) (kw) C (l/s) (kpa) (kw) C (l/s) (kpa) / / / COSMRT BOXR Size 7 2 ROW ir Volume Flow rate (m /s) Water Heat ir Off Water flow Water dp Heat ir Off Water flow Water dp Heat ir Off Water flow Water dp on/off ir On Output C rate Output C rate Output C rate C C (kw) C (l/s) (kpa) (kw) C (l/s) (kpa) (kw) C (l/s) (kpa) 82/71 80/60 60/ For further assistance please call uaire. ote: dp figures do not include port valve. pproximately double these figures when valves are included. 22 mm 15 mm 15 mm *Please note: above tables are based on indicative selections. For more specific selection, contact uaire

12 IR HDIG UITS (HU S) COSMRT BOXR CIRIS TCHIC IFORMTIO SICR MODUS Splitters are faced with perforated sheet lined to prevent particle migration and filled with high density mineral wool. B MOTORISD DMPRS Opposed blade design with quick fit flanges. 240V Open/Shut model (B) for efficient back draught protection and 24V modulating version (M) for balancing and control. B VRTIC HT XCHGR plate exchanger core assembly providing efficient heat transfer between supply and extract air streams. n integral drip tray is incorporated with a 22mm drain connection. The tray is insulated to prevent secondary condensation. B C C C Unit Code B C Weight (Kg) SBSI SBSI SBSI SBSI SBSI SBSI SBSI DYMIC TTUTIO VUS (at maximum velocity) ength K 2K 4K 8K ote: silencer cross sectional area matches the Boxer unit. WTHR ROOF FOR COSMRT BOXR For further information please contact uaire. Unit Weight (Kg) SBD SBD SBD SBD SBD SBD SBD ote: Dimensions B & C are to suit unit supplied. lso available: motor open/spring return option. Code: SBD* MO/SR. FROST COI = PHW & CTRIC 600mm long section to suit unit size selected. For details contact uaire. ength Width Height Unit B C Weight (Kg) SBHX SBHX SBHX SBHX SBHX SBHX SBHX HORIZOT HT XCHGR Heat exchanger complete with integral drop tray with a 22mm drain connection. B C xample of horizontal unit with weather kit. xample of stacked unit with weather kit. ength Width Height Unit B C Weight (Kg) SBHX1H SBHX2H SBHXH SBHX4H SBHX5H SBHX6H SBHX7H SBBF2* - vailable in a variety of lengths to suit unit sizes 1-7. Z FCTORS FOR CIRIS Casing Module Silencer Damper coil PHW coil electric Weather cowl Plate heat exchanger BS FRM (Please contact uaire for further details). Provided as standard on sizes - 7. Optional extras on sizes 1 and 2. 80mm For further ancillaries please refer to Ducting and ncillaries section or call uaire. Download specification from nuaire.co.uk 109

13 IR HDIG UITS (HU S) COSMRT BOXR WIRIG TCHIC IFORMTIO WIRIG - COSMRT BOXR SIZS 1 D 2 SBHS1, SBHS2, SBHX1 and SBHX2 WIRIG - COSMRT BOXR SIZS 1 D 2 SBHS1-, SBHS2-, SBHS1-D and SBHS-2D Speed Controller Heat demand Run Remove this link wire if: 1. a switched live is connected. 2. an S-PIR, S-TC or BMS is connected. S C RT HT DMPR DMD FUT RU BMS Min Max S run on 0V 0-10V Pw r Heatin g Coolin g Set air off temperature of PHW coil Speed Controller UTO HTR/COO O OFF Heat demand Run Remove this link wire if: 1. a switched live is connected. 2. an S-PIR, S-TC or BMS is connected. S C RT HT DMPR DMD FUT RU BMS Min Max S run on 0V 0-10V Pw r 20V 50Hz 1ph mains arth T connections for COSMRT devices demand alarm Signal for DX1 coil if fitted Signal for DX2 coil if fitted 20V 50Hz 1ph mains arth T connections for COSMRT devices SBHS1- and SBHS2- djustment for air off temperature. Do not set temperature O above 0 C lectric heater control Speed Controller Heat demand Remove this link wire if: 1. a switched live is connected. 2. an S-PIR, S-TC or BMS is connected. S C RT HT DMPR DMD BMS Min Max S run on 0V 0-10V Pw r 400V 50Hz ph + mains supply for fan and heater 2 1 arth Run 20V 50Hz 1ph mains FUT RU arth T connections for COSMRT devices WIRIG - COSMRT BOXR SIZS - 7 BMS MODS 1 D 2 BMS MODS TO 7 Speed Controller This contact is not applicable to BMS models Run 20V 50Hz 1ph mains Remove this link wire BMS for fan speed ote: Do not reverse the polarity as it may cause 0V damage to the circuit 0-10V S C RT HT DMPR DMD FUT RU Min arth Max S run on Pwr T connections for COSMRT devices ctuator ctuator head, type Honeywell model M Brown Green Whi ite 24 Vac 0-10 Vac Common COTCTR (U) (V) (W) 1 5 (U) (V) (W) This contact is not applicable to BMS models Run 2 arth Remove this link wire BMS for fan speed ote: Do not reverse the polarity as it may cause 0V damage to the circuit 0-10V S C RT 2 1 HT DMPR DMD FUT RU Min 400V 50Hz ph + mains Max S run on Pwr T connections for COSMRT devices ctuator head, type Belimo model SM24-SR 24 Vac Warning: connect via safety isolating transformer T T ~ ~ Y 1 Y2 U Y V DC Y V phase cut U V DC SM24-SR

14 IR HDIG UITS (HU S) COSMRT BOXR WIRIG TCHIC IFORMTIO WIRIG - COSMRT BOXR SIZS - 7 SBHS-,SBHS4-, SBHS5-, SBHS6- D SBHS7, SBHS-D, SBHS4-D, SBHS5-D, SBHS6-D D SBHS7-D WIRIG - COSMRT BOXR SIZS - 7 SBHS-C, SBHS4-C, SBHS5-C, SBHS6-C D SBHS7-C Remove this link wire if: 1. a switched live is connected. 2. an S-PIR, S-TC or BMS is connected. Heat demand S C RT HT DMPR DMD BMS Min Max S run on 0V 0-10V Pw r Heatin g Coolin g Faul t Remove this link wire if: 1. a switched live is connected. 2. an S-PIR, S-TC or BMS is connected. Heat demand S C RT HT DMPR DMD BMS Min Max S run on 0V 0-10V Pw r Heatin g Coolin g Faul t 2 1 (U) (V) (W) Run FUT RU 2 1 (U) (V) (W) Run FUT RU T connections for devices T connections for devices 1 COTCTR 1 5 (U) (V) (W) Set air off temperature of PHW coil COTCTR 1 5 (U) (V) (W) Set outlet air temperature of PHW coil Set outlet air temperature of CW cooling coil arth V 50Hz ph + mains UTO HTR/COO Inlet sensor GR BROW 2 WHIT 1 O OFF Outlet sensor Connect to PHW actuator motor SM24 motor set at position arth V 50Hz ph + mains Inlet sensor UTO HTR/COO O OFF Outlet sensor GR BROW 2 WHIT 1 GR BROW 2 WHIT 1 Connect to PHW actuator motor SM24 motor set at position Connect to CW coil actuator motor SM24 motor set at position demand alarm Signal for DX1 coil if fitted Signal for DX2 coil if fitted Connect to inlet sensor after unit is assembled demand alarm Signal for DX1 coil if fitted Signal for DX2 coil if fitted Connect to inlet sensor after unit is assembled SBHX, SBHX4, SBHX6 D SBHX7 SBHS-, SBHS4-, SBHS5-, SBHS6- D SBHS COTCTR (U) (V) (W ) 1 5 (U) (V) (W ) Heat demand Run arth 2 1 S C RT HT DMPR DMD FUT RU 400V 50Hz ph + mains Remove this link wire if: 1. a switched live is connected 2. an S-PIR, S-TC or BMS is connected. 0V Min BMS Max S run on 0-10V Pwr Heatin g Coolin g Faul t T connections for COSMRT devices COTCTR (U) (V) (W) 1 5 (U) (V) (W) Heat demand Run 2 Remove this link wire if: 1. a switched live is connected HTR 2. an S-PIR, S-TC or BMS 0V is connected. BMS 2 1 S C RT HT DMPR DMD FUT RU HT SS Min Max S run on T connections for COSMRT devices 400V 50Hz ph + mains 0-10V Pw r Coolin g B Make connection after the unit has been assembled B Make connection after the unit has been assembled Heater over-temperature stat lectric heater control djustment for air off temperature. Do not set temperature above 0 O C 1 2 I 1 I 2 I arth V 50Hz ph supply for heater ote: these controls are located in the electric heater section R T Sensor Download specification from nuaire.co.uk 111

15 IR HDIG UITS (HU S) COSMRT BOXR WIRIG TCHIC IFORMTIO COSMRT BOXR WITH COSTT PRSSUR COTROS D irflow 2D min ocate Pressure Tapping here Silencer Fan Heater Filter Control SUPPY FS SIZ 1 D 2 XTRCT FS SIZ 1 D 2 Pressure Sensor Pressure setting pot Pressure Sensor Pressure setting pot Set differential Pressure Set differential Pressure Pre-wired in factory to main control PCB via connector labelled 'P in' High ow To fan outlet, connection to be made on site To atmosphere through fan casing PVC Tubing (supplied) Connector Min Max S run on Main control PCB Pwr Pre-wired in factory to main control PCB via connector labelled 'P in' To atmosphere through fan casing High ow To fan inlet chamber Connector Min Max S run on Main control PCB Pwr SUPPY FS SIZ D BOV XTRCT FS SIZ D BOV Pressure setting pot Pressure setting pot Inverter Set differential Pressure Connector Min Max S run on Pwr Inverter Set differential Pressure Connector Min Max S run on Pwr Main control PCB Main control PCB To fan outlet; connection to be made on site To atmosphere through fan casing Pre-wired in factory to main control PCB via connector labelled 'P in' To atmosphere through control casing To fan inlet chamber Pre-wired in factory to main control PCB via connector labelled 'P in' ow High ow High Pressure Sensor Pressure Sensor

16 IR HDIG UITS (HU S) COSMRT BOXR WIRIG TCHIC IFORMTIO COSMRT BOXR F COTRO OY Power requirements Model Flc fan lectric heater Flc only (1) max Kw heater (2) BHSX1FC, BHS1FC- 4.8 BHS1FC BHSX2FC, 7. BHS2FC BHSXFC, BHSFC- 4.6 BHSFC BHSX4FC, BHS4FC- 6.1 BHS4FC BHSX5FC, BHS5FC- 7.8 BHS5FC BHSX6FC, BHS6FC- 8.2 BHS6FC BHSX7FC, BHS7FC BHS7FC ote: (1) Sizes 1 and 2 fans are rated at 20V ac, 50Hz single phase. ll other sizes are rated at 400V ac 50 Hz phase. (2) ll electric heaters are rated at 400V ac 50 Hz phase. i There are no inrush starting currents quoted because the control incorporates a soft starting speed control feature. ii. The inverters are preset to match the fan requirements. Under normal circumstances it should not be necessary to adjust them. iii. Pay particular attention to the model type, recorded on the product rating plate and connect as follows. SIZS 1 D 2 ote: Inter connections between circuit boards are made in the factory. Speed Controller Heat demand Run Remove this link wire if: 1. a switched live is connected. 2. S-PIR, S-TC or BMS is connected. S C RT HT DMPR DMD FUT RU Min Max S run on BMS 0V 0-10V Pwr 20V 50Hz 1ph mains arth T connections for COSMRT devices TYPIC CTRIC HTR WIRIG SIZS TO 7 ote: Inter connections between circuit boards and inverter/contactor are made in the factory. Bus bar clamp Connect over temperature trip to control circuit 1 2 Remove this link wire if: 1. a switched live is connected. 2. S-PIR, S-TC or BMS is connected. BMS 0V 0-10V V 50Hz phase (U) (V) (W) Heat demand Run S C RT HT DMPR DMD FUT RU Min Max S run on Pwr 1 COTCTR 1 5 (U) (V) (W) arth V 50Hz ph + mains T connections for COSMRT devices Download specification from nuaire.co.uk 11

17 IR HDIG UITS (HU S) COSMRT BOXR TCHIC IFORMTIO COSUTTS SPCIFICTIO COSMRT BOXR UITS SIZ TO 7 IR HDIG UIT SPCIFICTIO The ir Handling Unit shall be configured and arranged as detailed on the drawings and in accordance with the schedule of equipment. The units shall be manufactured from a highly rigid pentapost framework with 25mm double skinned infill panels. The panels shall contain inert high density infill. Panel materials are heavy gauge luzinc corrosion resistant steel. The units shall provide exceptional thermal and acoustic insertion. The general construction is to class leakage. The fan impeller and motor shall be selected to provide the most energy efficient solution conforming to part regulations and shall be direct or belt drive with I2 high efficiency motors to BS5000 as standard. The fan impeller shall be a high efficiency forward or backward curved centrifugal design, manufactured in galvanised steel. The Fan unit shall have a 5 year warranty. COSMRT SYSTM OPRTIO The controls will enable the unit to automatically vary its speed as it receives s from one of the interconnected sensors. When the is received the fan shall either increase speed gradually until the required level is achieved or it will work on a trickle and boost principle. This will then and move the fan duty point from trickle/background ventilation rate to the required boost ventilation rate. Both the trickle and boost rates are infinitely variable, easy to adjust and remove the need of a main balancing damper. 2. BMS ITRFCS The fan unit shall be provided with the following integrated BMS interfaces 0-10 volt contacts to provide a full BMS interface. This will enable the following functions:- Switch the unit on/off. Switch from low speed to high speed. Full speed control facility. Switch the heating function on/off. Switch the cooling function on/off. The unit and ancillaries shall be of the Boxer type as manufactured by uaire td. ll other components shall be in accordance with the manufacturer s specification. COTRO SPCIFICTIO The ir Handling Unit shall be supplied with one of the following control options:- 1. COSMRT COTROS - The compact control system complete with all necessary controls to facilitate the operation of the ventilation system. It shall be come complete with an integral factory fitted PCB which will control the fan unit within the desired design parameters and provide the interface between all external control devices and the unit itself. The ir Handling Unit shall have the following energy saving components integrally mounted, pre-wired to interface with the purpose made PCB, all components pre-wired, configured and factory fitted by the manufacturer: - Integral Frequency inverter/speed controller. Integral maximum and minimum speed adjustment for commissioning. Integral adjustable run on timer. Integral BMS interfaces summer/winter switching, heating control, 0-10V speed adjustment. Volt free failure and status indication. Integral air off temperature adjustment. Facility for remote temperature control. Integral background ventilation switch (trickle switch). Multiple IDC sockets for interconnection of sensors or fans using pre-plugged 4-core low voltage cable. Volt free frost alarm/heat demand interface. protection/hold off stat. 2 o. Volt free contacts to provide fan run and failure indication to provide system status. n integrated commissioning/speed control to accurately commission the system, with minimum and maximum speeds easily adjusted via a miniature dial, as recommended in Part. This will enable the unit to be configured to run between set parameters thus saving motor power and limiting noise. Commissioning set up - The fan unit shall be provided with an integrated commissioning/speed control to accurately commission the system, as recommended in Part, minimum and maximum speeds easily adjusted via miniature dial. The commissioning set up facility directly controls the integrated speed control/frequency inverter.. O COTRO IS VIB (xample code BHS7C-). COI TYPS, HX D COTROS The control for the coils shall be fully integrated and shall maintain a constant off coil temperature. The system shall have frost protection which shall, at temperatures below 4 degrees C, fully open the -port valve and only start the fan when the temperature at the filter has risen above the designated set point. Unit to have contacts which will act as frost alarm and/or boiler to switch on

18 IR HDIG UITS (HU S) COSMRT BOXR TCHIC IFORMTIO COSUTTS SPCIFICTIO HTIG COIS - OW PRSSUR HOT WTR The ow Pressure Hot Water heating coil shall be manufactured from copper tubing with high efficiency aluminium fins contained within a galvanised steel frame, shall be factory fitted with a -port motorised diverting valve assembly comprising the -port valve, double regulating valve, drain cocks aactuator controlling the -port valve shall be control via the on-board PCB by the off coil temperature sensor. ll components pre-piped, assembled and tested by the manufacturers. HTIG COIS - CTRIC The lectric Heater Battery shall be factory fitted and pre-wired to an integral closed loop thyristor control. The heat output can be configured on site to suit the specific requirements. COOIG COIS - CHID WTR The Chilled Water Coil shall be manufactured from copper tubing with high efficiency aluminium fins contained within a galvanised steel frame, it shall be factory fitted with a -port motorised diverting valve assembly comprising the -port valve, drain cocks and air vents. The actuator controlling the -port valve shall be control via the on-board PCB by the off coil temperature sensor. Coil supplied complete with an insulated condensate tray and moisture eliminator. ll components pre-piped, assembled and tested by the manufacturer. COOIG COIS DX COIS The DX Coil shall be manufactured from copper tubing with high efficiency aluminium fins and droplet eliminator contained within a galvanised steel frame. The coil shall be filled with dry nitrogen with the pipe connections capped. It shall be factory fitted and tested by the HU manufacturer. ote: Fan control only example code is BHS7FC-D. HT XCHGR The cross flow heat exchanger shall be complete with a motorised summer bypass; this will be activated when the heating, cooling or ventilation switch on the user control is switched to the ventilation position. The controlled fan unit shall have a 5 year warranty. on fan controlled units will have a year warranty. ll equipment shall be as manufactured by uaire td. *Suitable for 95% RH non condensing. Download specification from nuaire.co.uk 115