APPLICATION GUIDE WING

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1 PPLICTION GUIDE WING

2

3 Congratulations you have made a wise choice with the purchase of your Lennox air conditioning unit. This product has been designed, assembled and supplied in one of our world class manufacturing facilities and we feel sure that it will meet your expectations. Lennox an international organisation with world wide distribution takes pride in supplying you with this product. CONTENTS CONTENTS. PRODUCT RNGE. SYSTEM CONFIGURTION. GENERL DESCRIPTION. SPECIFICTIONS. ELECTRICL DT. ELECTRICL CONNECTIONS. INDOOR MOTOR FN CHRCTERISTICS. OPERTING LIMITS. REFRIGERNT CONNECTIONS. DIMENSIONS ND SETTING UP TEMPLTES OUTDOOR. DESCRIPTION OUTDOOR. ENTRNCE STNDRD/ OPTIONL OUTDOOR. DIMENSIONS ND SETTING UP TEMPLTES INDOOR. INSTLTION ND MOUNTING. OPTIONS MINTENNCE. POINTS TO KEEP IN MIND PÁGE

4 PRODUCT RNGE COOLING ONLY R-407C LTX INDOOR IN COMINTION, WITH XIL FN OUTDOOR MODEL OUTDOOR INDOOR WING 2,8TFK KJF 2,8K V / Ph / 0 Hz NOMINL CPCITY W COOLING ONLY NOMINL CPCITY KW COOLING ONLY 230V-1Ph ,06 WING 3TFK KJF 3K 230V -1Ph WING 3TFK KJF 3K 230 V - 3Ph ,8 WING 3TFK KJF 3K 400 V - 3Ph WING 4TFK WING 4TFK KJF 4K KJF 4K 230 V - 3Ph 400 V - 3Ph ,70 WING TFK KJF K 230 V - 3Ph WING TFK KJF K 400 V - 3Ph 13.00,60 LTX INDOOR IN COMINTION, WITH CENTRIFUGL FN OUTDOOR MODEL OUTDOOR INDOOR WING 2,8CFK KCF 2,8K V / Ph / 0 Hz NOMINL CPCITY W COOLING ONLY NOMINL CPCITY KW COOLING ONLY 230V-1Ph ,07 WING 3CFK KCF 3K 230V -1Ph WING 3CFK KCF 3K 230 V - 3Ph ,86 WING 3CFK KCF 3K 400 V - 3Ph WING 4CFK WING 4CFK KCF 4K KCF 4K 230 V - 3Ph 400 V - 3Ph ,17 WING CFK KCF K 230 V - 3Ph WING CFK KCF K 400 V - 3Ph ,00 2

5 PRODUCT RNGE HET PUMP HET PUMP R-22C LTX INDOOR IN COMINTION, WITH XIL FN OUTDOOR MODEL OUTDOOR INDOOR WING 2,8T KJ 2,8 V / Ph / 0 Hz NOMINL CPCITY W COOLING HET ONLY PUMP NOMINL CPCITY KW COOLING HET ONLY PUMP 230V-1Ph ,06 2,60 WING 3T KJ 3 230V -1Ph WING 3T KJ V - 3Ph ,70 3,00 WING 3T KJ V - 3Ph WING 4T WING 4T KJ 4 KJ V - 3Ph 400 V - 3Ph ,70 3,90 WING T WING T KJ KJ 230 V - 3Ph 400 V - 3Ph ,90,00 LTX INDOOR IN COMINTION, WITH CENTRIFUGL FN OUTDOOR MODEL OUTDOOR INDOOR WING 2,8C KC 2,8S V / Ph / 0 Hz NOMINL CPCITY W COOLING HET ONLY PUMP NOMINL CPCITY KW COOLING HET ONLY PUMP 230V-1Ph ,07 2,77 WING 3C KC 3S 230V -1Ph WING 3C KC 3S 230 V - 3Ph ,86 3,40 WING 3C KC 3S 400 V - 3Ph WING 4C WING 4C KC 4S KC 4S 230 V - 3Ph 400 V - 3Ph ,17 4,33 WING C WING C KC S KC S 230 V - 3Ph 400 V - 3Ph ,00 6,40 3

6 SYSTEM CONFIGURTION (INDOOR ) IMPORTNT Prior of making the electrical connections, set the switch for heat pump unit or for cooling only unit. This unit is valid for operating as a cold only or heat pump application. The unit should be configured prior to making the electrical connections, by setting the configuration switch as follows: Switch 2 Switch 1 MODEL COOLING ONLY (*) HET PUMP (*) Configuration from factory.. SWITCH 1 2 OFF ON ON ON ON OFF Check page 8 for more information about the situation of this switch. NOTE: If errors are made during the configuration of the system, switch off the main power supply, set configuration switch in the correct position and then switch the power on. 4

7 GENERL DESCRIPTION INDOOR LTX The ceiling air conditioner SPLIT, on version cooling only and heat pump, are units air condensed. The indoor unit with direct air supply, realise function of cooling, heating dehumidification, cleaning air of the sites. lso the option to incorporate with maximum facilities a heating resistance on units cooling only and also on heat pump units. The indoor unit can be combine with outdoor units provide with axial fan (KJF/ KJ) for outside installation or with outdoor unit provide with centrifugal fan (KCF/ KC) for installation inside buildings. OUTDOOR KJF/KJ OUTDOOR KCF/KC CINE The outdoor unit is made on electrozinced steel with epoxy painted finish, able to work outdoors under the worst conditions. its dimensions and features allow the unit to be positioned in almost any location. It incorporate thermal acoustic insulation. The indoor unit is finished in a decorative plastic with thermal acoustic insulation. HET EXCHNGER Made of cooper tubes and aluminium fins. Coils have been designed and manufactured to ensure maximum efficiency. The L shaped outside unit heat exchanger makes this unit compact an highly efficiency. IR SWEEP The indoor unit (LTX) have an automatic dispositive to distribute horizontal air flow. COOLING CIRCUIT Made of welded dehydrated copper pipe with service port on the suction and liquid lines. Coupling valves on outdoor unit and flare connexion on indoor unit to facilitate the refrigerant connexion. muffler in the compressor discharge line eliminates noise and pulsation of the discharge line. The unit includes filter dryer and expansion system. It has unidirectional and reversing valves of 4 pipes for unit in heat pump. COMPRESSOR n hermetically sealed compressor, with internal thermal protection. It is mounted on vibration absorbent blocks both on the inside and outside, statically an dynamically balanced. In all cases the compressors are acoustically isolated, resulting in low noise. FNS The indoor units includes centrifugal motor fan of three speed, with exceptional features on noise level Depending on outdoor type, it includes one or two axial motor fan (units KJF/KJ), or one centrifugal fan (units KCF/ KC),with exceptional features in noise level and flow. ELECTRIC CIRCUIT The indoor unit electrical panel includes a printed board, which control the operating of the unit, defrosting timer thermostat and system of reversing on heat pump cycle. The unit is controlled from an infrared remote controller. OPTIONS OUTDOOR Heating electrical heater. OUTDOOR TYPE KJF/KJ Supporting with braxkets( depends on units) Winter control. OUTDOOR TYPE KCF/KC Winter control Main switch (depends on models) Grille external air

8 SPECIFICTIONS COOLING ONLY OUTDOOR WITH XIL FN R-407C MODEL WING 2,8TFK WING 3TFK WING 4TFK WING TFK Cooling capacity (*) W OUTDOOR KJF 2,8K KJF 3K KJF 4K KJF K COMPRESSOR Nª / Type 1 / LT. 1 / LT. 1 / LT. 1 / LT. FN ir flow outdoor unit m3/h. REFRIGERNT Type / R-407C gr. (1) EXPNSIÓN WEIGHT Kg Capillary Capillary Capillary Capillary DIMENSIONS Height Width Depth PCKING DIMENSIONS 84 x 1060 x x 127 x 38 REFRIGERNT COUPLING Liquid pipe Gas pipe /8" 1/2" INDOOR FN ir flow indoor unit m3/h. Max. Min WEIGHT Kg DIMENSIONS Height Width Depth PCKING DIMENSIONS REFRIGERNT COUPLING Liquid pipe Gas pipe 310 x 1430 x x 1749 x 776 1/2" (2) 1/2" (2) (*) ir entry temperature into the indoor unit 27 C D/19 C W (*) ir entry temperature into the outdoor unit 3ºC D (1) Charge of refrigerant, factory charged on outdoor unit. See page 22, to calculate model refrigerant charge. (2) Use the coupling fittings included in indoor unit for refrigerant connection with outdoor unit. D.- Dry ulb W.- Wet ulb 6

9 SPECIFICTIONS COOLING ONLY OUTDOOR WITH CENTRIFUGL FN R-407C MODEL WING 2,8CFK WING 3CFK WING 4CFK WING CFK Cooling capacity (*) W OUTDOOR KCF 2,8K KCF 3K KCF 4K KCF K COMPRESSOR Nª / Type 1 / LT. 1 / LT. 1 / LT. 1 / LT. FN ir flow outdoor unit m3/h vailable pressure Pa REFRIGERNT Type / R-407C gr. (1) EXPNSIÓN Capillary Capillary Capillary Capillary WEIGHT Kg DIMENSIONS Height Width Depth PCKING DIMENSIONS 630 x 1140 x x 1330 x REFRIGERNT COUPLING Líquid pipe 1/2" Gas pipe /8" INDOOR FN ir flow indoor unit WEIGHT DIMENSIONS Height Width Depth PCKING DIMENSIONS REFRIGERNT COUPLING Líquid pipe Gas pipe m3/h. Max. Min. Kg x 1430 x x 1749 x 776 1/2" (2) 1/2" (2) (*) ir entry temperature into the indoor unit 27 C D/19 C W (*) ir entry temperature into the outdoor unit 3ºC D (1) Charge of refrigerant, factory charged on outdoor unit. See page 22, to calculate model refrigerant charge. (2) Use the coupling fittings included in indoor unit for refrigerant connection with outdoor unit. D.- Dry ulb W.- Wet ulb 7

10 SPECIFICTIONS HET PUMP OUTDOOR WITH XIL FN R-22 MODEL WING 2,8T WING 3T WING 4T WING T Cooling capacity (*) W Heating capacity (**) W OUTDOOR KJ 2,8 KJ 3 KJ 4 KJ COMPRESSOR FN Nª / Type ir flow outdoor unit REFRIGERNT EXPNSIÓN WEIGHT DIMENSIONS Height Width Depth PCKING DIMENSIONS Type / R-22 REFRIGERNT COUPLING Líquid pipe Gas pipe m3/h. gr. Kg 1 / LT. 1 / LT. 1 / LT. 1 / LT Capillary Capillary Capillary Restrictor x 1060 x x x 107 x 38 x 430 1/2" /8" INDOOR FN ir flow indoor unit WEIGHT DIMENSIONS Height Width Depth PCKING DIMENSIONS REFRIGERNT COUPLING Líquid pipe Gas pipe m3/h. Max. Min. Kg x 1430 x x 1749 x 776 1/2" (2) 1/2" (2) D.- Dry ulb (*) ir entry temperature into the indoor unit 27 C D/19 C W W.- Wet ulb (*) ir entry temperature into the outdoor unit 3ºC D (**) ir entry temperature into the indoor unit 20 C D/12 C W (**) ir entry temperature into the outdoor unit 7ºC D/6ºCW (1) Charge of refrigerant, factory charged on outdoor unit. See page 22, to calculate model refrigerant charge (2) Use the coupling fittings included in indoor unit for refrigerant connection with outdoor unit.. 8

11 SPECIFICTIONS HET PUMP OUTDOOR WITH CENTRIFUGL FN R-22 MODEL WING 2,8C WING 3C WING 4C WING C Cooling capacity (*) W Heating capacity (**) W OUTDOOR KC 2,8S KC 3S KC 4S KC S COMPRESSOR Nª / Type FN ir flow outdoor unit vailable pressure REFRIGERNT EXPNSIÓN WEIGHT DIMENSIONS Height Width Depth PCKING DIMENSIONS Type / R-22 REFRIGERNT COUPLING Líquid pipe Gas pipe m3/h. Pa gr. (1) Kg 1 / LT. 1 / LT. 1 / LT. 1 / LT Capillary Capillary Capillary Capillary x 1140 x x 1330 x 86 1/2" /8" INDOOR FN ir flow indoor unit WEIGHT DIMENSIONS Height Width Depth PCKING DIMENSIONS REFRIGERNT COUPLING Líquid pipe Gas pipe m3/h. Max. Min. Kg x 1430 x x 1749 x 776 1/2" (2) 1/2" (2) D.- Dry ulb (*) ir entry temperature into the indoor unit 27 C D/19 C W W.- Wet ulb (*) ir entry temperature into the outdoor unit 3ºC D (**) ir entry temperature into the indoor unit 20 C D/12 C W (**) ir entry temperature into the outdoor unit 7ºC D/6ºCW (1) Charge of refrigerant, factory charged on outdoor unit. See page 22, to calculate model refrigerant charge (2) Use the coupling fittings included in indoor unit for refrigerant connection with outdoor unit.. 9

12 SPECIFICTIONS SET WITH XIL FN OUTDOOR SOUND LEVEL WING 2,8TFK WING 2T WING 3TFK WING 3T WING 4TFK WING 4T WING TFK WING T Sound pressure level (Lp) Indoor unit (1) Outdoor unit (2) d d 41/46 (*) 2 41/46 (*) 41/46 (*) 3 43/48 (*) 6 43/48 (*) 6 (1) Sound level measured to a distance of 2m from the unit, normal absorption, room size according to unit capacity. (2) Sound level measured to a distance of m, free space. (*) High speed / Low speed ELECTRICL DT WING 2,8TFK WING 2T WING 3TFK WING 3T WING 4TFK WING 4T WING TFK WING T Voltage Nominal total input power cooling capacity Nominal total input power heat pump V/f (0 Hz) Kw Kw 3,06 2,60 230V / 1 Ph 3, V-400V / 3 Ph 3,70 4,70 3,00 3,90,60 ---,90,00 Rated current 14,87 19,3 13,4/8,0 18,3 12,8/7,7 18,3/9,1 20,4/10,2 21,/11,3 Current max. 17,9 24,4 17,3/10,7 23,4 16,/10,2 21,3/12,1 23,1/11,9 24,4/13,2 Starting current max / / / / / 62 OUTDOOR KJF 2,8K KJ 2,8 KJF 3K KJ 3 KJF 4K KJ 4 KJF K KJ Voltage Nominal total input power cooling capacity Nominal total input power heat pump V/f (0 Hz) Kw Kw 2,88 2,42 230V / 1 Ph 3, V-400V / 3 Ph 3,2 4,4 2,82 3,6,3 ----,6 4,7 Rated current 14,0 18,48 13,2/7,1 17,48 12,0/6,9 17,2/8,0 19,2/9,0 20,4/10,2 Current max. 17,12 23,8 16,4/9,8 22,60 1,7/9,4 20,2/11,0 22,1/10,9 23,3/12,1 Starting current max / / / / / 62 INDOOR Voltage Nominal total input power cooling capacity Nominal total input power heat pump Rated current Starting current max. V/f (0 Hz) Kw Kw 0,18 0,18 0,82 2,46 0, ,82 2,46 230V / 1 Ph 0,18 0,2 0,18 0,2 0,82 1,14 2,46 3,42 0, ,14 3,42 0,2 0,2 1,14 3,42 10

13 SOUND LEVEL Sound pressure level SPECIFICTIONS SET WITH CENTRIFUGL FN OUTDOOR (Lp) Indoor unit (1) Outdoor unit (2) d d WING 2,8CFK WING 2C 41/46 (*) 7 WING 3CFK WING 3C 41/46 (*) 8 WING 4CFK WING 4C 43/48 (*) 60 WING CFK WING C 43/48 (*) (1) Sound level measured to a distance of 2m from the unit, normal absorption, duct size and installation according to unit capacity. (2) Sound level measured to a distance of m, normal absorption, duct size and installation according to unit capacity. (*) High speed / Low speed 62 ELECTRICL DT WING 2,8CFK WING 2C WING 3CFK WING 3C WING 4CFK WING 4C WING CFK WING C Voltage Nominal total input power cooling capacity Nominal total input power heat pump V/f (0 Hz) Kw Kw 3,07 2,77 230V / 1 Ph 3,86 3,40,17 4,33 230V-400V / 3 Ph 7,00 6,40 Rated current 14,92 18,3 11,7/,4 16,6/10,0 22,3/13,3 Current max. 19,82 23,4 16,/10,2 21,9/12,7 24,/16,7 Starting current max / / / 62 OUTDOOR Voltage V/f (0 Hz) KCF 2,8K KC 2,8S 230V / 1 Ph KCF 3K KC 3S KCF 4K KC 4S KCF K KC S 230V-400V / 3 Ph Nominal total input power cooling capacity Nominal total input power heat pump Kw Kw 2,89 2,9 3,68 3,22 4,92 4,08 6,7 6,1 Rated current 14,10 17,77 10,8/4, 1,/8,9 21,2/12,2 Current max. 19,00 22,6 1,7/9,4 20,8/11,60 23,4/1,6 Starting current max / / / 62 INDOOR Voltage Nominal total input power cooling capacity Nominal total input power heat pump Rated current Starting current max. V/f (0 Hz) Kw Kw 0,18 0,18 0,82 2,46 230V / 1 Ph 0,18 0,18 0,82 2,46 0,2 0,2 1,14 3,42 0,2 0,2 1,14 3,42 11

14 ELECTRICL CONNECTIONS MODELS 2, OUTDOOR 2 3 ELECTRIC WIRING DIGRM For electrical connection refer to wiring diagram in the unit Power supply Connection indoor unit with outdoor unit Sensor connection 1º Remove the front details at the corners and unit cover panel. 2º Remove the filters See picture NUMER OF WIRES X SECTION MODEL VOLTGE COOLING ONLY HET PUMP V / 1Ph 400 V / 3Ph 3x4mm 2 4x1,mm 2 3x4mm 2 x2,mm 2 4x1,mm 2 x2,mm 2 6x1,mm 2 2x1,mm 2 6x1,mm 2 2x1,mm V / 1Ph 3x4mm 2 4x1,mm 2 3x4mm 2 6x1,mm 2 2x1,mm V / 3Ph 4x4mm 2 2 4x1,mm 4x4mm 2 6x1,mm 2 2x1,mm V / 3Ph x2,mm 2 4x1,mm 2 x2,mm 2 6x1,mm 2 2x1,mm V / 3Ph 400 V / 3Ph 4x4mm 2 4x1,mm 2 x2,mm 2 4x1,mm 2 4x4mm 2 x2,mm 2 6x1,mm 2 2x1,mm 2 6x1,mm 2 2x1,mm V / 3Ph 400 V / 3Ph 4x6mm 2 4x1,mm 2 x4mm 2 4x1,mm 2 4x6mm 2 x4mm 2 6x1,mm 2 2x1,mm 2 6x1,mm 2 2x1,mm 2 NOTE: The sections has been calculated to a distance no superior o 0m and a low supply of 10V 12

15 ELECTRICL CONNECTIONS ND SYSTEM CONFIGURTION IMPORTNT Prior of making the electrical connections, set the switch for heat pump unit or for cooling only unit. This unit is valid for operating as a cold only or heat pump application. The unit should be configured prior to making the electrical connections, by setting the configuration switch as follows: 1 Remove the front details at the corners and unit cover panel. 3 Rolling side 2 DETLLE Remove the filters Sides and carcass Filters (1) P.C. PC NOTE: THE LEVES FCTORY CONFIGURTED ON COOLING MODE MODEL COOLING ONLY (*) HET PUMP SWICHT CONFIGURTION 1 2 OFF ON (*) Configuration from factory. ON ON SWICHT CONFIGURTION SWICHT CONFIGURTION Switch 2 Switch 1 ON OFF NOTE: If errors are made during the configuration of the system, switch off the main power supply, set configuration switch in the correct position and then switch the power on. CONNECTIONS OF OUTDOOR S -FOR HET PUMP S, remove the resistor form the terminal plate and connect the sensor outdoor unit -FOR COOLING ONLY S, keep connected the resistor. DON T TOUCH. DETIL DETIL 4 4 SENSOR OUTDOOR Regleta de terminales, y conexión de la sonda exterior COOLING ONLY HET PUMP 13

16 ELECTRICL CONNECTIONS COOLING ONLY PE L N PE L N V/0HZ 1Ph + N OUTDOOR PE L N PE L N PE L1 L2 L3 N N L3 4 OUTDOOR 400V/0HZ 3Ph + N PE L1 L2 L3 L3 N N V/0HZ 3Ph OUTDOOR HET PUMP Wire overwhelm CONTROL SENSOR 4 PE L N PE L N N V/0HZ 1Ph + N OUTDOOR CONTROL SENSOR 4 PE L N CONTROL SENSOR 4 PE L N PE L1 L2 L3 N N OUTDOOR 4 PE L1 L2 L3 N N OUTDOOR 230V/0HZ 3Ph 400V/0HZ 3Ph + N CONTROL SENSOR CONTROL SENSOR 4 PE L N PE L N PE L1 L2 L3 N PE L N OUTDOOR 230V/0HZ 3Ph 4 PE L1 L2 L3 N PE L N OUTDOOR 400V/0HZ 3Ph + N 14

17 OUTDOOR MOTOR-FN CHRCTERISTICS OUTDOOR WITH CENTRIFUGL FN KCF2,8K / KC 2,8S KCF 3K / KC 3S STTIC PRESSUERE VILLE Pa. STTIC PRESSUERE VILLE Pa IR FLOW 3 m /h KCF 4K / KC 4S KCF K / KC S STTIC PRESSUERE VILLE Pa STTIC PRESSUERE VILLE Pa IR FLOW 3 m /h IR FLOW 1

18 OPERTING LIMITS OPERTING LIMITS COOLING ONLY S * ** Supply air temperature into the outdoor unit ºC Supply air temperature into the indoor unit ºC 46 D * 19 D -10 D STNDRD L..C. ON/OFF L..C. PROPROC D.- Dry ulb W.- Wet ulb 21 /1º D/W ** 32 /23º D/W THE ON/OFF LOW MIENT CONTROL IS STNDRD THE PROPORTIONL LOW MIENT CONTROL IS OPTIONL OPERTING LIMITS HET PUMP S COOL CYCLE HET CICLE * ** Supply air temperature into the outdoor unit ºC Supply air temperature into the indoor unit ºC D.- Dry ulb W.- Wet ulb 46 D * 19 D 21 /1º D/W STNDRD ** 32 /23º D/W 24 /18º D/W * -8 /-9º D/W 1 D ** 27 D 16

19 REFRIGERNT CONNECTIONS Flared nuts INDOOR Service valve Coupling OUTDOOR Insulation Protective hoods REFRIGERNT CONECTION FOR S WITH COUPLINGS ND SERVICE VLVES NOTE: THE REFRIGERNT LINES GS ND LIQUID, MUST E INSULTED Make the refrigerant connections between the outdoor and indoor unit, as follows: -With the valves closed on outdoor unit, unscrew the flare nuts, removing all the protective hoods. -Unscrew the flare nuts and the coupling on indoor unit, removing the protecting hoods. -Introduce the flare nuts in the corresponding union tubes, previously isolated. -Make the thread union of the tubes in valves and coupling using the keys, as shown in the picture. -To do vacuum, first close the valves on outdoor unit, second connect the plug of the vacuum pump to the suction valves service port 1/4, do vacuum to get an absolute pressure of 0. mm Hg. This way the vacuum will be created in indoor unit and union pipes. -Remove the plugs and open the valves of outdoor unit. -Verify leakage in couplings. -Insulate pipes and service ports. Pipe cutter CUT THE PIPE PROPERLY YES ent Unpolished 90 MKE CORRECT FLRE FULTY NO ent Damaged surface Flawed Irregular VOID FROM METLIC DUST ENTERING INTO THE PIPE CLEN THE URRS 0-0. m.m. Copper pipe TIGHTENING TORQUE pply the tightening torque shown in the table. Insufficient tightening torque could cause refrigerant leak, excessive tightening torque will damage pipe flare. PIPE DIMETER TIGHTENING TORQUE Service port Liquid line Gas line 3/8'' 1/2'' 3/4'' 31-3 Nm 0- Nm 6-70 Nm Wrench 17

20 REFRIGERNT CONNECTIONS DISTNCES ETWEEN S To locate the outdoor and the indoor units, refer to the following information. L : Distance length between both units. 1 = Refrigerant vapour line. 2 = Liquid aspiration line. INDOOR U. OUTDOOR U. 2 OUTDOOR U. 2 1 L 1 L INDOOR OUTDOOR U. 2 1 INDOOR U. L Tube size Refrigerant lines sizes Refrigerant lines sizes L Max. number of bends MODEL 2,8 3 4 Liquid Vapour Máx.Vertical Total vertical + Horizontal /8"(1) (1) /2" If the height length is greater than meters, a siphon suction must be installed on the suction line every meters to ensure that oil return to the compressor. (1) Use the coupling fittings included in indoor unit for refrigerant connection with outdoor unit.. NOTE: THE REFRIGERNT LINES GS ND LIQUID, MUST E INSULTED For other positions and longer lengths, consult the Lennox Technical Support Department for application assistance. The following data will be obtained from that estimation: Pipe dimensions, Siphon suction, Insulation, Refrigerant charge 18

21 REFRIGERNT CONNECTIONS REFRIGERNT CHRGE OUTDOOR S TYPE KJF-K/ KJ MODEL 2,8 3 4 (gr.) (*) COOLING ONLY (gr.) (**) (gr.) (***) HET PUMP (gr.) (*) (gr.) (**) (gr.) (***) OUTDOOR S TIPO KCF-K/ KC MODEL 2,8 3 4 (gr.) (*) COOLING ONLY (gr.) (**) (gr.) (***) HET PUMP (gr.) (*) (gr.) (**) /.300 /0 (gr.) (***) (*) Refrigerant charge R-22 precharge from factory on the outdoor unit. (**) Meter of installation line where outdoor unit is precharged+charge also to the group (***) If line is different to meters indicated on table put more or less charge of refrigerant per meter indicated. EXMPLE: If you need to install a group WING CFK, with distance of line between indoor and outdoor unit of 6 meter. The refrigerant charge R-407C needed in the installation is: Charge precharge on outdoor unit Charge per line gr/m x (6-)m = = 300 Total charge of the installation = 3 gr 19

22 DIMENSIONS OF OUTDOOR WITH CENTRIFUGL FN () MODELS KCF-K / KC-S 2,8-3 MXIMUM DIMENSIONS C C MODELS KCF-K / KC-S- 4- C IR OUT STNDRD SETTING UP TEMPLTE (mm) S 2-2,-2,8-3 KCF-K KC-S 2, C C IR IN STNDRD IR IN OPTIONL IR OUT OPTIONL Use 4 rod of a diameter of 10mm if the unit is fixed in the roof, or screw M.10 if the unit is fixed on the ground Dimensions recommended on point and are refered to the hole of support of the unit. KCF / KC-S- 2,8-3 20

23 DESCRIPTION OUTDOOR KCF-K / KC 2, IR IN STNDRD FN EXCHNGER COMPRESSOR CONNETION PIPE CCESS PNEL TO COMPRESSOR ND PIPES COMPONENTS ELECTRICL OX CCESS PNEL TO ELECTRICL OX DRINGE ( O 16 EXTERNL) RERM ON ON HIGH PRESSOSTT INTKE PRESSURE (MOD.2,8-3) CONDENSTE PUMP IR OUT POSICIÓN STNDRD POSICIÓN OPCIONL 8 9 MIN SWITCH (OPTIONL) ELECTRICL SUPPLY ENTRY ELECTRICL SUPPLY 1 IR IN POSITION STNDRD POSTION OPTIONL CCESS TO ELECTRICL OX In the electrical box is included the mechanism of high pressostat rearm. 21

24 DESCRIPTION OUTDOOR KCF / KC-S FN EXCHNGER COMPRESSOR ELECTRICL OX CONNETION PIPE CCESS PNEL TO COMPRESSOR ND PIPES COMPONENTS CCESS PNEL TO ELECTRICL OX IR OUT POSICIÓN STNDRD POSICIÓN OPCIONL IR IN POSITION STNDRD POSTION OPTIONL DRINGE ( O 16 EXTERNL) ELECTRICL SUPPLY ENTRY ELECTRICL SUPPLY MIN SWITCH (OPTIONL)

25 ENTRNCE STNDRD/ OPTIONL OUTDOOR KCF-K / KC ENTRNCE STNDRD MODELS 2,8-3 E E E RETURN IR OPTIONL SUPPLY IR D F F RETURN IR G H K 2 C RETURN IR STNDRD E E ENTRNCE OPTIONL (TO E RELISE Y THE INSTLLTOR F D J K F D SUPPLY IR OPTIONL SUPPLY IR RETURN IR M SUPPLY IR STNDRD L L RETURN IR OPTIONL MODELS 4- E K ENTRNCE STNDRD F D N SUPPLY IR RETURN IR G RETURN IR STNDRD H C M N SUPPLY IR J K F RETURN IR D D E ENTRNCE OPTIONL (TO E RELISE Y THE INSTLLTOR) SUPPLY IR OPTIONL SUPPLY IR STNDRD L L To change entrances from standard position to optional position, you must sustitute the entrance panel correspondent, and refixe using the same fixation screw. C D E F G H J K KCF-K / KC 3S , , 147 3, , KCF-K / KC 4S , ,4 KCF-K / KC S , ,4 23 L M N ---

26 H DIMENSIONS ND SETTIING UP TEMPLTES OF OUTDOOR WITH XIL FN Min. 300 (**) Min. 10 (**) Min. 300 (**) F E FLOOR MOUNTED D E KJF-K KJ G F Ø 12 KJF-K KJ OUTDOOR C (**) LWYS KEEP FREE C D E F G KJF-2.8K KJF-3K KJF-4K KJF-K KJ-2.8 KJ-3 KJ-4 KJ ,4 176,4 176,4 176,4 176, , 343, 343, 343, 343, 410 DIMENSIONS ND SETTING TEMPLTES OF INDOOR LTX Min. 100 (**) FLOOR MOUNTED J K J C D E F G H I J K L M N , 39, , 312, 177, 177, , C F G G F D E D E F F M N M N I L L 24

27 INSTLLTION INDOOR INSTLLTION Install the unit in a way that the discharge air would not be direct to persons, differences of temperature can create disturbs. Keep in mind in the installation of the unit, some ambient can supply electromagnetic radiation that can affect the good function of the unit, follow then the following instruction recommended in this document. To remove the casing, slide them over the rolling sides and remove horizontally (See picture ). Rolling sides Remove the IR VNES by moving them in the opposite direction of the air sweep motor until they come out, then release the central fixing clip, so that the IR SWEEP is removed giving better access to the top of the unit (See picture ). Sides and carcass IR-SWEEP Filters C Install the unit with the M-8 screws, always use washers. Fix the screws following the pattern on page 26. Check the strength of the screws to avoid movement of the indoor unit when removing the side and cover panel.. See picture C C Min. 100 D D lways install the filters. If the unit operates without filters there is a risk of damage in the indoor unit from dust.. OPENING IN FLSE CEILING X Y mm 62 mm mm 670 mm X Y 2

28 INDOOR OPTIONLS ELECTRICL HETER EFORE TTEMPTING TO PERFORM NY SERVICE OR MINTENNCE, TURN OFF THE ELECTRICL POWER, ND CHECK THT THE FN HS STOPPED To remove the casing, slide them over the rolling sides and remove horizontally Remove the filters. Remove drain pan. Introduce the electrical heater kit rods in the holes of one side of the coil and fix with screws on the other. Fix the contactor to the fan deck. Sides and carcass Rolling side Filters Contactor Drain pan Electric heat Fan FIG 1 Contactor Fan Contactor Electric Heat Electric Heat NOTE: The safety thermostat must always be at the top of the heater. 26

29 OUTDOOR OPTIONLS MIN SWITCH The main swicth is located on the access panel to the electrical box, in such a way that the unit is disconnected when the panel is opened, for the models KCF and KC. (Refer to the size diagram on pages 2 to 30, to see the position of the electrical box access panel) WINTER CONTROL The low ambient kit should be fitted to the cooling units, when the outdoor temperature is lower then 19 ºC. in cooling cycle.keeps condensing temperature constant aprosimatelly 40ºC. KIT GRID OF TKES OF FOREIGN IR Field assembly. This kit is comprised of an air filter and grille for outdoor air intake which should be installed on the suction side of the outdoor unit. 27

30 MINTENNCE OF THE POSSILE PROLEMS PROLEM 1.- Unit do not work. 2.- The fan of the unit works quicker without any SOLUTION Check electrical supply of the unit. Check electrical connexion. Check the remote controller and parameter works correctly. Check that the filter of the unit is clean. Check electrical connexion. If the problem persist, check the function of the motor. 3.- Noise on pipe system. NOTE: Some noises are normal when unit stop and Check refrigerant charge is correct. Was the vacuum done correctly? Check internal temperature, could be quite low. 4.- Excess of condensation Check possible obstructions in the condensate pan, and also out of the pan. Check correct level of the unit. Check drainage pipe..- The indoor battery freeze continuously. Check the air filter of the indoor unit. Check the level of refrigerant. Check strangulation air flow or recirculation. If the freeze persist the expansion can be obstructed. Is the temperature below 21 º C? Check indoor temperature sensor. 6.- Unit work perfectly on cooling mode, but do not produce heat on mode heat Check if you have configurate correctly the function mode of the unit. Check inverter valve of the outdoor unit. Check the plate PC to the solenoid inverted valve. 7.-External fan stop 8.-Excessive pressure of condensation (Working cooling cycle) 9.-Low pressure condensation. (Working on cooling cycle) 10.-Excessive pressure on return air (Working on heat pump) 11.-Low pressure on return air. (working on heat pump) Check that terminal connexion are slack. Check the motor. Check the condenser situation. Check that that the rele of defrost is not activited (Units heat pump). Check that the external exchanger is not dirty and obstructed. Check that there is no condensable gas and air in the refrigerant circuit. Check that the external fan works correctly. Check that the refrigerant charge is correct Check that the refrigerant charge is correct Check possible obstruction on the expansion system of the outdoor unit, liquid Check that air filter is not dirty or wrong function of indoor fan. Check that the refrigerant charge is correct Check the situation of inverter valve. Check retention valve situation. Check that the refrigerant charge is correct Check possible obstruction on the expansion system of the outdoor unit Check that the external fan works correctly. Check the correct function of the defrost thermostat. 28

31 POINTS TO KEEP IN MIND brasive surfaces Low temperatures High temperatures Risk of injury with moving objects Electrical voltage Risk of injury with rotating objects WRNING Electric shock hazard can cause injury or death. efore attempting to perform any service or maintenance on the unit, turn OFF the electrical power, and check that the fan has stopped. The air filter cleaning operations do not require technical service; however when an electrical or mechanical operation is required call an Engineer. FILTER CLENING Check the air filter and make sure it is not blocked with dust or dirt. If the filter is dirty, wash it in a bowl with neutral soap and water, drying it in the shade before inserting it in the unit. Standard Guidelines to Lennox Refac equipment ll technical data contained in these operating instructions including the diagrams and technical description remains the property of Lennox Refac and may not be used (except for the purpose of familiarising the user with the equipment), reproduced, photocopied, transferred or transmitted to third parties without prior written authorisation from Lennox Refac. The data published in the operating instructions is based on the latest information available. We reserve the right to make modifications without notice. We reserve the right to modify our products without notice without obligation to modify previously supplied goods. These operating instructions contain useful and important information for the smooth operation and maintenance of your equipment. The instructions also include guidelines on how to avoid accidents and serious damage before commissioning the equipment and during its operation and how to ensure smooth and fault-free operation. Read the operating instructions carefully before starting the equipment, familiarise yourself with the equipment and handling of the installation and carefully follow the instructions. It is very important to be properly trained in handling the equipment. These operating instructions must be kept in a safe place near the equipment. Like most equipment, the unit requires regular maintenance. This section concerns the maintenance personnel and management. If you have any queries or would like to receive further information on any aspect relating to your equipment, do not hesitate to contact us. 29

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