Technibel GR127L5 Technical & Service Manual Download Page 16 | Manualshive

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Outdoor Unit : GR127L5 -

GRV127L5

276

4 – ø12 holes

312

Air intake

Air discharge

608 60

530

380

88

17

750

380 273

4 – ø3.3 holes

Check port ø6.35 (1/4")

270

61

93

Wide tube service valve
ø12.7 (1/2")

Narrow tube service valve
ø6.35 (1/4")

Unit : mm

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Summary of Contents for GR127L5

Page 1: ...KPAV128C5 GR129C5 KPAV128C5 GR127L5 KPAV128C5 GRV127L5 Ceiling Mounted Floor Mounted INDOOR UNIT OUTDOOR UNIT TECHNICAL SERVICE MANUAL SPLIT SYSTEM AIR CONDITIONER 0 8180 114 0 09 2000...

Page 2: ...ARNING When Transporting Be careful when picking up and moving the indoor and outdoor units Get a partner to help and bend your knees when lifting to reduce strain on your back Sharp edges or thin alu...

Page 3: ...l 24 8 TROUBLESHOOTING 8 1 Check before and after troubleshooting 25 8 2 Air conditioner does not operate 26 8 3 Some part of air conditioner does not operate 30 8 4 Air conditioner operates but abnor...

Page 4: ...Maximum 32 C D B 23 C W B 43 C D B Minimum 19 C D B 14 C W B 19 C D B Temperature Indoor Air Intake Temp Outdoor Air Intake Temp Cooling Maximum 32 C D B 23 C W B 43 C D B Minimum 19 C D B 14 C W B 1...

Page 5: ...e Anti Mold Compressor Rotary Hermetic Refrigerant Amount charged at shipment g 820 R22 Refrigerant control Capillary tube Operation sound Indoor Hi Me Lo dB A 44 40 35 Outdoor Hi dB A 45 Refrigerant...

Page 6: ...Indoor Horizontal Manual Vertical Auto Air filter Washable Anti Mold Compressor Rotary Hermetic Refrigerant Amount charged at shipment g 900 R22 860 8R407C Refrigerant control Capillary tube Operation...

Page 7: ...4 1 160 Nominal output W 20 Coil resistance Ambient temp 20 C GRY WHT 311 7 WHT VLT 97 6 7 VLT YEL 97 6 7 WHT PNK 425 7 Safety devices Type Internal protector Operating temp Open C 145 5 Close Automa...

Page 8: ...p 25 C Trip in 6 to 16 sec at 16A Run capacitor F 22 5 VAC 400 Crank case heater Fan Fan Motor Type Propeller Q ty Dia 1 370 Fan motor model Q ty UE6S 21AB5P S 1 No of poles rpm 230 V High 6 830 Nomin...

Page 9: ...5 Operating amp Ambient temp 25 C Trip in 6 to 16 sec at 21A Run capacitor F 25 0 VAC 400 Crank case heater 240 V 20 W Fan Fan Motor Type Propeller Q ty Dia 1 400 Fan motor model Q ty UE6T 21H5P S 1 N...

Page 10: ...erating amp Ambient temp 25 C Trip in 6 to 16 sec at 21A Run capacitor F 25 0 VAC 400 Crank case heater 240 V 20 W Fan Fan Motor Type Propeller Q ty Dia 1 400 Fan motor model Q ty UE6T 21H5P S 1 No of...

Page 11: ...11V 0 727A Capacity 8VA Coil resistance at 21 C Primary WHT WHT 214 10 Secondary BRN BRN 1 58 10 Thermal cut off temp 145 C 2A 250V Thermistor Coil sensor TH1 PBC 41E S14 Resistance k 20 C 40 1 5 20...

Page 12: ...50 C 2 1 5 Power Relay PR G7L 2A TUB Coil rating AC 200 240V 50 60Hz Coil resistance at 23 C 21 15 Contact rating AC 220V 25A Transformer TR2 ATR J65 Rating Primary AC 230V 50Hz Secondary 19V 0 315A C...

Page 13: ...5 3 5 40 C 3 0 5 10 C 9 9 5 50 C 2 1 5 Power Relay PR G7L 2A TUB Coil rating AC 200 240V 50 60Hz Coil resistance at 23 C 21 15 Contact rating AC 220V 25A Transformer TR2 ATR J65 Rating Primary AC 230V...

Page 14: ...DIMENSIONAL DATA Indoor Unit KPAV128C5 Remote control unit 86 74 74 Center of tubing hole 75 4 places Wide tube 12 7 1 2 Narrow tube 6 35 1 4 Drain hose 26 74 74 900 86 41 41 190 680 18 5 61 172 5 Uni...

Page 15: ...12 Outdoor Unit GR129C5 276 4 12 holes 312 Air intake Air discharge 608 60 530 380 88 17 750 380 273 4 3 3 holes 270 61 93 Wide tube service valve 12 7 1 2 Narrow tube service valve 6 35 1 4 Unit mm...

Page 16: ...t GR127L5 GRV127L5 276 4 12 holes 312 Air intake Air discharge 608 60 530 380 88 17 750 380 273 4 3 3 holes Check port 6 35 1 4 270 61 93 Wide tube service valve 12 7 1 2 Narrow tube service valve 6 3...

Page 17: ...he insulation should be a min 8 mm After a tube has been insulated never try to bend it into a narrow curve because it can cause the tube to break or crack IMPORTANT CAUTION Wide tube Thickness Min 8...

Page 18: ...9 8 7 6 5 4 3 25 30 35 40 45 50 Outdoor inlet air D B temp C Operating current A 12 Low pressure at wide tube service valve kg cm 2 G 32 27 21 32 27 21 Points of Rating condition Black dots in above...

Page 19: ...7 3 4 2 1 0 1 0 2 3 4 Horizontal distance m Horizontal distance m Axis air velocity m s Vertical distance m Axis air velocity m s Vertical distance m Room air temp 27 C Fan speed High Axis air verocit...

Page 20: ...SHC 3 78 3 62 3 45 3 29 3 09 2 85 TC 4 03 3 85 3 68 3 50 3 29 3 03 CM 0 97 1 05 1 12 1 20 1 30 1 40 21 SHC 1 77 1 69 1 62 1 55 1 46 1 36 19 23 SHC 2 11 2 04 1 97 1 89 1 81 1 71 25 SHC 2 46 2 39 2 31 2...

Page 21: ...s Indoor Air Temperature 32 C D B 23 C W B Outdoor Air Temperature 43 C D B Indoor Unit KPAV128C5 Outdoor Unit GR127L5 GRV127L5 Indoor Unit Outdoor Unit Complete Unit Fan Motor Fan Motor Compressor Pe...

Page 22: ...19 6 2 Electric Wiring Diagrams To avoid electrical shock hazard be sure to disconnect power before checking servicing and or cleaning any electrical parts WARNING Indoor Unit KPAV128C5...

Page 23: ...20 To avoid electrical shock hazard be sure to disconnect power before checking servicing and or cleaning any electrical parts WARNING Outdoor Unit GR129C5...

Page 24: ...21 To avoid electrical shock hazard be sure to disconnect power before checking servicing and or cleaning any electrical parts WARNING Outdoor Unit GR127L5 GRV127L5...

Page 25: ...pressure the control circuit has a built in automatic time delay to allow the internal pressure to equalize As a protective measure the control circuit switches the compressor OFF after 5 minutes or...

Page 26: ...l falls below 1 C the control circuit stops the compressor for at least 6 minutes The compressor does not start again until the temperature rises above 8 C or 6 minutes has elapsed ON ON ON ON OFF OFF...

Page 27: ...ivates to control the fan speed automatically If the outdoor temperature falls below 14 C the fan speed switches to MED If the outdoor temperature falls below 1 C the fan speed switches to LOW 24 Outd...

Page 28: ...ltage is in specified range 10 of the rating Check that power is being supplied 8 1 4 Check lead wires and connectors in indoor and outdoor units Check that coating of lead wires is not damaged Check...

Page 29: ...tance of electrical parts in indoor unit 1 Remove inter unit wires from terminal plate in outdoor unit Measure insulation resistance of outdoor unit 2 Remove inter unit wires from terminal plate in in...

Page 30: ...YES NO OPERATION selector switch is set in ON position Set OPERATION selector switch to ON Indoor PCB Ass y is defective NO Check power supply Power is being supplied to the indoor unit Circuit break...

Page 31: ...econdary winding of transformer TR Indoor PCB Ass y is defective OK OK Measure resistance of indoor and or outdoor fan motor winding FM Measure resistance of compressor motor winding CM OK Measure coi...

Page 32: ...or unit OK Measure coil resistance of power relay Check indoor PCB Ass y PR OK NO Is room temperature too low Try to lower setting temperature by temperature setting button button Outdoor unit still d...

Page 33: ...rnout or foreign matter in bearings Remove foreign matter or repair Repair or replace Measure resistance of outdoor fan motor winding Check fan motor capacitor Fan cannot be turned OK Check fan rotati...

Page 34: ...y for GR GRV127L5 Only If fuse blows Check fuse on outdoor PCB Ass y for continuity OK Measure resistance of primary winding of transformer TR2 OK Measure resistance of outdoor fan motor winding Outdo...

Page 35: ...er to 8 3 Outdoor Fan Speed Control Measure resistance of flap motor winding Check compressor motor capacitor Measure resistance of compressor motor winding Measure resistance of power relay PR NO YES...

Page 36: ...approx 10 deg or more Possibility of gas shortage YES Check position of remote control unit Cool air from air conditioner reaches position directly Change position of remote control unit Wide and nar...

Page 37: ...ir conditioner will be in the following conditions as the controller tries to detect extremely low room temperature In Cooling mode The air conditioner soon stops and will not start again Thermo OFF N...

Page 38: ...er and measure the resistance by placing a probe on each terminal screw on the terminal plate Fig 2 Note that the ground line terminal should be skipped for the check 9 1 4 Measurement of Insulation R...

Page 39: ...from the capacitor terminals and then place a probe on the capacitor terminals as shown in Fig 7 Observe the deflection of the pointer setting the resistance measuring range of the multimeter to the m...

Page 40: ...mpletely 10 DISASSEMBLY PROCEDURE FOR INDOOR UNIT IMPORTANT Please Read Before Starting Safety precautions for servicing the CEILING MOUNTED indoor unit Center latch Air intake grille Metal clip Air i...

Page 41: ...al of Electrical Component Box 1 Remove the front screw with a screwdriver Fig 4 2 Slide the lid out and up Fig 4 3 Disconnect the wiring as necessary 4 Remove the 4 screws then pull out the electrica...

Page 42: ...e direction of the arrow Fig 6 3 Remove the 2 screws to pull off the flap motor The arm and cam come off together with the motor Fig 7 10 5 Removing Evaporator Indoor Heat Exchange Coil 1 Remove the 7...

Page 43: ...is built into the drain pan Pull out the drain pan together with the evaporator in the direction of the arrow Fig 10 The foamed polystyrene drain pan is fragile DO NOT apply excessive force when remov...

Page 44: ...the fan casing out 3 Insert a hex wrench in the fan boss and turn it counterclockwise to loosen the centrifugal fan The fan can be removed by sliding it to the left Fig 14 4 Remove the 4 bolts to rem...

Page 45: ...FILIBERTI S p A DOODUDWH 9 9LD 9DUHVH WDO 7HO D PDLO LWDOLD DUJRFOLPD FRP...

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