Page 3 - air conditioning unit.; PÁGE
1 . PRODUCT RANGE . SYSTEM CONFIGURATION . GENERAL DESCRIPTION . SPECIFICATIONS . ELECTRICAL DATA . ELECTRICAL CONNECTIONS . INDOOR MOTOR FAN CHARACTERISTICS . OPERATING LIMITS . REFRIGERANT CONNECTIONS . DIMENSIONS AND SETTING UP TEMPLATES OUTDOOR UNIT . DESCRIPTION OUTDOOR UNIT . ENTRANCE STANDARD...
Page 6 - IMPORTANT
4 (*) Configuration from factory.. MODEL COOLING ONLY (*) HEAT PUMP SWITCH 1 2 ON OFF ON ON Switch 1 Switch 2 ON OFF IMPORTANT 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 applicat...
Page 7 - COOLING CIRCUIT; • Heating electrical heater.; OUTDOOR UNIT TYPE KJF/KJB; OUTDOOR UNIT
5 GENERAL DESCRIPTION The ceiling air conditioner SPLIT, on version cooling only andheat pump, are units air condensed. The indoor unit with directair supply, realise function of cooling , heating dehumidification,cleaning air of the sites. Also the option to incorporate withmaximum facilities a hea...
Page 8 - SPECIFICATIONS COOLING ONLY; OUTDOOR UNIT WITH AXIAL FAN
6 Cooling capacity COMPRESSOR OUTDOOR UNIT FAN Air flow outdoor unit MODEL REFRIGERANT WEIGHT DIMENSIONS Height Width Depth REFRIGERANT COUPLING Liquid pipe Gas pipe INDOOR UNIT EXPANSIÓN PACKING DIMENSIONS (1) Charge of refrigerant, factory charged on outdoor unit. See page 22, to calculate model r...
Page 9 - OUTDOOR UNIT WITH CENTRIFUGAL FAN
7 Available pressure (*) (1) W m3/h. Kg Kg m3/h. Max. Min. gr. mm. mm. mm. mm. mm. mm. mm. Pa mm. Nª / Type Type / R-407C (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 refrigera...
Page 10 - SPECIFICATIONS HEAT PUMP
8 Heating capacity (*) Air entry temperature into the indoor unit 27°C DB/19 °C WB(*) Air entry temperature into the outdoor unit 35ºC DB(**) Air entry temperature into the indoor unit 20°C DB/12 °C WB(**) Air entry temperature into the outdoor unit 7ºC DB/6ºCWB(1) Charge of refrigerant, factory cha...
Page 12 - SOUND LEVEL; dBA; Sound level measured to a distance of 5 m, free space.; SPECIFICATIONS; SET WITH AXIAL FAN OUTDOOR UNIT
10 SOUND LEVEL dBA dBA OUTDOOR UNIT INDOOR UNIT ELECTRICAL DATA Indoor unit (1) Outdoor unit (2) Sound pressure level Nominal total input powercooling capacity Current max. Rated current Nominal total input powerheat pump Starting current max. Voltage Kw Kw V/f (50 Hz) Kw Kw V/f (50 Hz) Kw Kw V/f (5...
Page 13 - SET WITH CENTRIFUGAL FAN OUTDOOR UNIT
11 (Lp) dBA dBA Kw Kw V/f (50 Hz) Kw Kw V/f (50 Hz) Kw Kw V/f (50 Hz) A A A A A A A A SOUND LEVEL OUTDOOR UNIT INDOOR UNIT ELECTRICAL DATA Indoor unit (1) Outdoor unit (2) Sound pressure level Nominal total input powercooling capacity Current max. Rated current Nominal total input powerheat pump Sta...
Page 14 - NUMBER OF WIRES X SECTION; ELECTRIC; For electrical connection refer to wiring diagram; OUTDOOR
12 Power supply Connection indoor unit with outdoor unit Sensor connection NOTE: The sections has been calculated to a distance no superior o 50m and a low supply of 10V VOLTAGE 4 3 MODEL 2 1 2 1 5 NUMBER OF WIRES X SECTION 2.8 COOLING ONLY HEAT PUMP 3 230 V / 1Ph 400 V / 3Ph 230 V / 3Ph 400 V / 3Ph...
Page 15 - ELECTRICAL CONNECTIONS AND SYSTEM CONFIGURATION
13 IMPORTANT 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...
Page 16 - Wire overwhelm; ELECTRICAL CONNECTIONS
14 Wire overwhelm ELECTRICAL CONNECTIONS COOLING ONLY HEAT PUMP CONTROL SENSOR 400V/50HZ 3Ph + N PE L N 1 2 3 PE L1 PE N 1 L 2 L2 L3 N LTX 5 4 5 4 5 3 OUTDOORUNIT CONTROL SENSOR 230V/50HZ 3Ph PE L N 1 2 3 PE L1 PE N 1 L 2 L2 L3 N LTX 5 3 4 5 4 5 OUTDOORUNIT CONTROL SENSOR LTX 3 PE L N 1 2 3 PE L1 N ...
Page 17 - OUTDOOR UNIT MOTOR-FAN CHARACTERISTICS
15 KCF2,8K / KCB 2,8S KCF 4K / KCB 4S KCF 5K / KCB 5S m /h 3 m /h 3 KCF 3K / KCB 3S AIR FLOW 1500 1700 2500 2900 110 75 40 0 1500 1650 2500 2900 100 70 54 0 4250 4650 5050 5400 150 110 50 0 2800 3100 3400 3800 110 80 50 0 OUTDOOR UNIT MOTOR-FAN CHARACTERISTICS OUTDOOR UNIT WITH CENTRIFUGAL FAN STATI...
Page 18 - COOL CYCLE; OPERATING LIMITS; OPERATING LIMITS COOLING ONLY UNITS
16 DB.- Dry BulbWB.- Wet Bulb DB.- Dry BulbWB.- Wet Bulb STANDARD ** ** * * Supply air temperature into theindoor unit ºC Supply air temperature into theoutdoor unit ºC 19° DB 46° DB -10° DB 21°/15ºDB/WB 32°/23ºDB/WB STANDARD 19° DB 46° DB * * * ** ** -8°/-9º DB/WB 24°/18ºDB/WB 15° DB 27° DB COOL CY...
Page 19 - NOTE: THE REFRIGERANT LINES GAS AND LIQUID, MUST BE INSULATED; INDOOR; Service valve; YES; REFRIGERANT CONNECTIONS
17 PIPE DIAMETER TIGHTENING TORQUE TIGHTENING TORQUE Apply the tightening torque shown in the table. Insufficient tightening torque could cause refrigerant leak, excessive tightening torque will damage pipe flare. 1/2'' 50-55 Nm 3/8'' 3/4'' 31-35 Nm 65-70 Nm REFRIGERANT CONECTION FOR UNITS WITH COUP...
Page 20 - MODEL; The following data will be obtained from that estimation:; INDOOR UNIT; DISTANCES BETWEEN UNITS
18 To locate the outdoor and the indoor units, refer to thefollowing information. L : Distance length between both units.1 = Refrigerant vapour line.2 = Liquid aspiration line. 3 4 MODEL 5 2,8 Liquid Máx.Vertical Total vertical + Horizontal Tube size Refrigerant lines sizes Refrigerant lines sizes L...
Page 21 - REFRIGERANT CHARGE; Total charge of the installation
19 COOLING ONLY HEAT PUMP (gr.) (*) (gr.) (*) MODEL (gr.) (**) (gr.) (***) (gr.) (**) (gr.) (***) 5 4 3 2,8 (gr.) (*) (gr.) (*) MODEL (gr.) (**) (gr.) (***) (gr.) (**) (gr.) (***) 5 4 3 2,8 COOLING ONLY HEAT PUMP 1.650 30 2.500 30 2.600 30 2.600 55 45 45 45 3.500 105 1.775 2.500 2.800 5 5 5 5 5 5 5 ...
Page 22 - SETTING UP
20 AIR IN STANDARD AIR OUT STANDARD AIR IN OPTIONAL AIR OUT OPTIONAL A B C KCF-KKCB-S A B C 2,8-3 4 5 KCF / KCB-S- 2,8 - 3 A B 490 1050 750 505 1100 841 525 1300 830 525 1300 890 575 1300 830 575 1300 890 1064 660 Dimensions recommended on point A and B are refered to the hole of support of the unit...
Page 23 - ACCESS TO ELECTRICAL BOX
21 AIR IN STANDARD In the electrical box is included the mechanism of highpressostat rearm. ACCESS TO ELECTRICAL BOX 1 2 3 4 5 6 7 8 13 10 15 15 14 14 12 3 9 10 11 12 4 3 6 8 10 11 12 13 14 15 POSICIÓN STANDARD POSICIÓN OPCIONAL POSITION STANDARD POSTION OPTIONAL DRAINGE ( O 16 EXTERNAL) REARM ON ON...
Page 25 - ENTRANCE OPTIONAL (TO BE REALISE BY THE INSTALLATOR
23 KCF-K / KCB 3S A B C D E F G H J K L M KCF-K / KCB 4S N KCF-K / KCB 5S 350 470 1050 490 36,5 400 45.5 35,5 147 53,5 750 332,5 500 375 1300 525 36 432 195 110 65 35,3 830 50 --- 293,4 500 375 1300 575 36 432 195 110 65 35,3 830 50 293,4 To change entrances from standard position to optional positi...
Page 26 - KJB; DIMENSIONS AND SETTING TEMPLATES OF INDOOR UNIT LTX; FLOOR MOUNTED
24 Ø 12 G E E F F LTX 3 LTX 5 B C D E A F G H I J K L M N G D F F L N M E J H G D F F E LTX 5 LTX 3 J K L N M I A B C D E F G KJF-2.8K KJB-2.8 KJF-3K KJF-4K KJB-4 KJF-5K KJB-5 KJB-3 656 756 1.104 1.330 1.076 807 223 1.409 268 1.719 14 261,5 359,5 383 267,5 312,5 177,5 177,5 52 78 460 508 653 753 162...
Page 27 - INSTALLATION INDOOR UNIT
25 LTX 3 LTX 5 X Y X Y 1.321 mm 562 mm 1.630 mm 670 mm To remove the casing, slide them over the rollingsides and remove horizontally (See picture A). Remove the AIR VANES by moving them in theopposite direction of the air sweep motor untilthey come out, then release the central fixingclip, so that ...
Page 28 - Fix the contactor to the fan deck.; BEFORE ATTEMPTING TO PERFORM ANY SERVICE OR MAINTENANCE, TURN OFF; ELECTRICAL HEATER
26 LTX 3 To r e m o v e t h e c a s i n g , s l i d e t h e m o v e r t h e r o l l i n g s i d e s a n d r e m o v e h o r i z o n t a l l y 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 ...
Page 29 - OUTDOOR UNIT OPTIONALS
27 MAIN 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 KCB. (Refer to the size diagram on pages 25 to 30, to see the position of the electrical box access panel) KIT GRID OF TAK...
Page 31 - Standard Guidelines to Lennox Refac equipment; POINTS TO KEEP IN MIND
29 The air filter cleaning operations do notrequire technical service; however whenan electrical or mechanical operationis required call an Engineer. WARNING Electric shock hazard can cause injuryor death. Before attempting to performany service or maintenance on theunit, turn OFF the electrical pow...
