Technibel Climatisation GR128R5 Page 19 Technical & Service Manual Download | Manualshive

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16

To avoid electrical shock hazard, be sure to

disconnect power before checking, servicing

and/or cleaning any electrical parts.

WARNING

Outdoor Unit GR128R5

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Summary of Contents for GR128R5

Page 1: ...7 1 6 59 0 18 63 7 6 67 0 5 21 7 21 5 KPA128R5 GR128R5 0 8180 043 0 05 99...

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: ...erload Prevention 21 7 6 Cold Draft Prevention 22 7 7 Defrosting Operation 23 8 TROUBLESHOOTING 8 1 Check before and after troubleshooting 25 8 2 Air conditioner does not operate 26 8 3 Some part of a...

Page 4: ...NGE 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 19 C D B Heating Maximum 27 C D B 24 C D B 18 C W B Minimum 16 C D B...

Page 5: ...to 1 Hi Airflow direction Indoor Horizontal Manual Vertical Auto Air filter Washable Anti Mold Compressor Rotary Hermetic Refrigerant Amount charged at shipment g R22 1 230 Refrigerant control Capilla...

Page 6: ...160 Nominal output W 20 Coil resistance Ambient temp 20 C GRY WHT 314 7 WHT PNK 444 7 WHT VLT 98 9 7 VLT ORG 98 9 7 ORG YEL 223 7 Safety devices Type Internal protector Operating temp Open C 145 5 Clo...

Page 7: ...mp Ambient temp 25 C Trip in 6 to 16 sec at 21A Run capacitor F 25 0 VAC 400 Crank case heater Fan Fan Motor Type Propeller Q ty Dia 1 400 Fan motor model Q ty K35610 M01402 1 No of poles rpm 230 V Hi...

Page 8: ...at 20 C 650 10 Contact rating AC 250V 20A Outdoor Unit GR128R5 Transformer TR ATR J105 Rating Primary AC 230V 50 60Hz Secondary 19V 0 526A Capacity 10VA Coil resistance at 21 C Primary WHT WHT 205 10...

Page 9: ...DIMENSIONAL DATA Indoor Unit KPA128R5 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 Unit...

Page 10: ...7 Outdoor Unit GR128R5 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 11: ...ing cycle Strainer Indoor unit Outdoor unit Strainer Check valve Wide tube Thickness Min 8 mm Insulation Narrow tube Thickness Min 8 mm Insulation of Refrigerant Tubing Because capillary tubing is use...

Page 12: ...inlet air D B temp C 14 12 10 25 Indoor inlet air D B temp C Low pressure at wide tube service valve kg cm 2 G High pressure at wide tube service valve kg cm 2 G 32 27 21 32 27 21 27 20 15 27 20 15 Ov...

Page 13: ...rocity Flap angle 60 45 Floor mounted Cooling 0 1 2 3 4 5 6 7 3 2 1 0 Horizontal distance m Axis air velocity m s Vertical distance m 0 1 2 3 4 5 6 7 3 2 1 0 Horizontal distance m Axis air velocity m...

Page 14: ...Fan speed High Heating 0 1 2 3 4 5 6 7 1 0 2 3 Horizontal distance m Axis air velocity m s Vertical distance m Axis air verocity Flap angle 45 30 Ceiling mounted 0 1 2 3 4 5 6 7 1 0 2 3 Horizontal dis...

Page 15: ...71 29 SHC 3 45 3 38 3 31 3 15 2 96 2 72 31 SHC 3 62 3 46 3 31 3 15 2 96 2 72 TC 3 85 3 69 3 52 3 35 3 15 2 90 CM 0 95 1 03 1 10 1 18 1 29 1 39 21 SHC 1 69 1 62 1 56 1 49 1 41 1 31 19 23 SHC 2 04 1 97...

Page 16: ...7 C D B 6 C W B 2 Above characteristics indicate instantaneous operation which does not take into account defrost operation 3 Fan speed High 4 Because this air conditioner heats a room by drawing in...

Page 17: ...e 27 C D B 19 C W B Outdoor Air Temperature 35 C D B Full Load Conditions Indoor Air Temperature 32 C D B 23 C W B Outdoor Air Temperature 43 C D B HEATING Indoor Unit Outdoor Unit Complete Unit Fan M...

Page 18: ...15 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 KPA128R5...

Page 19: ...16 To avoid electrical shock hazard be sure to disconnect power before checking servicing and or cleaning any electrical parts WARNING Outdoor Unit GR128R5...

Page 20: ...rant 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...

Page 21: ...e to equalize As a protective measure the control circuit switches the compressor OFF after 5 minutes or more of compressor operation Thermo ON When the room temperature is below T 1 C T C is set temp...

Page 22: ...ence between the set temperature and the room temperature and automatically switches to COOLING or HEATING mode to maintain the desired temperature Room temp Set temp COOL Room temp Set temp HEAT This...

Page 23: ...coil 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...

Page 24: ...exchange coil rises above 59 C and if the indoor fan is L low speed then the fan speed changes from L low speed to M medium speed When the temperature of the indoor heat exchange coil rises above 61...

Page 25: ...change coil have sufficiently warmed up STANDBY lamp on front of the indoor unit lights up when this function is working when 10 minutes has elapsed the fan speed is automatically switched to set spee...

Page 26: ...operating time of compressor is more than 1 5 hours Thermo OFF Compressor OFF C D Temperature of indoor heat exchanger coil is below 45 C Continuous operating time of compressor is more than 20 minut...

Page 27: ...s 11 minutes 32 seconds Start of defrosting Release of defrosting OFF OFF Release of cold draft prevention Compressor Outdoor fan Solenoid coil 4 way valve Indoor fan Standby lamp Indoor heat exch coi...

Page 28: ...fied 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 that lead wires a...

Page 29: ...e 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 indoor...

Page 30: ...N selector switch to ON Indoor PCB Ass y is defective NO Check power supply Power is being supplied to the indoor unit Circuit breaker is tripped Power failure Reset breaker Wait for recovery or conta...

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

Page 32: ...oltage appears Outdoor PCB Ass y is defective OK OK NO Is room temperature too low Try to lower setting temperature by temperature setting button button Outdoor unit still does not run Remote control...

Page 33: ...ut or foreign matter in bearings Remove foreign matter or repair Repair or replace Measure resistance of outdoor fan motor winding Check fan motor capacitor Measure resistance of flap motor winding Fa...

Page 34: ...or motor winding Measure resistance of power relay PR NO YES YES Overload relay is working Either OLR T or OLR A YES Temperature of compressor is abnormally high Refrigerant gas shortage Charge refrig...

Page 35: ...ective Check voltage between terminals No 1 and No 3 at the terminal plate DC 24V No voltage appears Outdoor PCB Ass y is defective OK Remote control unit may be defective Measure resistance of 4 way...

Page 36: ...ossibility of gas shortage YES Check position of remote control unit Cool or warm air from air conditioner reaches position directly Change position of remote control unit Wide and narrow tubes betwee...

Page 37: ...tries to detect extremely high room temperature a In Cooling mode The air conditioner continues to operate Thermo ON Both the outdoor fan and compressor do not stop As a result the room becomes too co...

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: ...eavviso Par souci d am lioration constante nos produits peuvent tre modifi s sans pr avis Unsere Produkte werden laufend verbessert und k nnen Vorank ndigung abge ndert Werden En el inter s de mejoras...

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