Technibel GR129R5TA Series Technical & Service Manual Download Page 17 | Manualshive

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3. DIMENSIONAL DATA

Indoor Unit MCAV77R5VAA

MCAV97R5VAA
MCAV127R5VAB

58.5

99.5

805

177

41.0

41.0

270

Narrow tube ø6.35 (1/4")

Wide tube ø9.52 (3/8") MCAV77/97
Wide tube ø12.7 (1/2") MCAV127

Center of tubing
hole (2 places)

Drain hose ø18

Remote control unit

18.5

61

172.5

Unit : mm

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Summary of Contents for GR129R5TA Series

Page 1: ...A MCAV127R5VAB GR129R5TBA 7 1 6 59 0 18 63 7 6 67 0 5 21 7 21 5 KPA128R5TAA GR129R5TBA Indoor Unit Outdoor Unit MCAV77R5VAA MCAV97R5VAA MCAV127R5VAB GR79R5TBA GR99R5TBA GR129R5TBA Ceiling Mounted Floo...

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: ...Overload Prevention 38 7 6 Cold Draft Prevention 39 7 7 Defrosting Operation 40 8 TROUBLESHOOTING 8 1 Check before and after troubleshooting 42 8 2 Air conditioner does not operate 43 8 3 Some part o...

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: ...Auto Air filter Washable Anti Mold Compressor Rotary Hermetic Refrigerant Amount charged at shipment g R22 690 Refrigerant control Capillary tube Operation sound Indoor Hi Me Lo dB A 37 32 31 37 32 3...

Page 6: ...able Anti Mold Compressor Rotary Hermetic Refrigerant Amount charged at shipment g R22 770 Refrigerant control Capillary tube Operation sound Indoor Hi Me Lo dB A 37 32 31 37 32 31 Outdoor Hi dB A 42...

Page 7: ...shable Anti Mold Compressor Rotary Hermetic Refrigerant Amount charged at shipment g R22 1135 Refrigerant control Capillary tube Operation sound Indoor Hi Me Lo dB A 39 35 33 39 35 33 Outdoor Hi dB A...

Page 8: ...arged at shipment g R22 1260 Refrigerant control Capillary tube Operation sound Indoor Hi Me Lo dB A 44 40 35 44 40 35 Outdoor Hi dB A 45 47 Refrigerant tubing connections Flare type Max allowable tub...

Page 9: ...No of poles rpm 230 V High 4 1 130 Nominal output W 10 Coil resistance Ambient temp 20 C BRN WHT 561 8 VLT WHT 197 4 VLT ORG 63 4 YEL ORG 155 7 YEL PNK 115 9 Safety devices Type Internal fuse Operatin...

Page 10: ...4 1 190 Nominal output W 10 Coil resistance Ambient temp 20 C BRN WHT 561 8 VLT WHT 197 4 VLT ORG 63 4 YEL ORG 155 7 YEL PNK 115 9 Safety devices Type Internal fuse Operating temp Open C 145 2 Close R...

Page 11: ...4 1 230 Nominal output W 10 Coil resistance Ambient temp 20 C BRN WHT 561 8 VLT WHT 197 4 VLT ORG 63 4 YEL ORG 155 7 YEL PNK 115 9 Safety devices Type Internal fuse Operating temp Open C 145 2 Close...

Page 12: ...il 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 Close Automatic reclosing Run...

Page 13: ...p in 3 to 10 sec at 22A Run capacitor F 25 VAC 400 Crank case heater Fan Fan Motor Type Propeller Q ty Dia 1 370 Fan motor model Q ty K35610 M01723 1 No of poles rpm 230 V High 6 810 Nominal output W...

Page 14: ...10 sec at 28A Run capacitor F 25 VAC 400 Crank case heater Fan Fan Motor Type Propeller Q ty Dia 1 370 Fan motor model Q ty K35610 M01723 1 No of poles rpm 230 V High 6 810 Nominal output W 22 Coil re...

Page 15: ...o 10 sec at 36A Run capacitor F 30 VAC 400 Crank case heater Fan Fan Motor Type Propeller Q ty Dia 1 370 Fan motor model Q ty K35610 M01722 1 No of poles rpm 230 V High 6 830 Nominal output W 21 Coil...

Page 16: ...Diff 8 deg below Power Relay PR DFU24D1F Coil rating DC 24V Coil resistance at 20 C 650 10 Contact rating AC 250V 20A Outdoor Unit GR79R5TBA GR99R5TBA GR129R5TBA Thermistor Room sensor DTN TKS134B Res...

Page 17: ...MCAV77R5VAA MCAV97R5VAA MCAV127R5VAB 58 5 99 5 805 177 41 0 41 0 270 Narrow tube 6 35 1 4 Wide tube 9 52 3 8 MCAV77 97 Wide tube 12 7 1 2 MCAV127 Center of tubing hole 2 places Drain hose 18 Remote c...

Page 18: ...Indoor Unit KPA128R5TAA 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 mm 15...

Page 19: ...nit GR79R5TBA GR99R5TBA GR129R5TBA 700 540 15 255 Narrow tube service valve 6 35 1 4 Wide tube service valve 9 52 3 8 12 7 1 2 170 103 57 470 4 12 holes 116 320 294 Air intake Air discharge GR79 99 GR...

Page 20: ...r Capillary tube Capillary tube Cooling cycle Heating cycle Strainer Indoor unit Outdoor unit Check valve Indoor Unit MCAV97R5VAA Outdoor Unit GR99R5TBA Compressor 4 way valve Accumulator Wide tube se...

Page 21: ...e 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 mm Insulation Narrow tube Thickness Min 8 mm I...

Page 22: ...rating current A 25 9 10 7 32 27 19 27 20 15 2 95 30 2 85 28 2 65 26 2 46 24 2 26 22 2 06 20 5 0 5 10 15 20 Outdoor inlet air D B temp C High pressure at wide tube service valve MPa kgf cm 2 G 1 87 18...

Page 23: ...10 7 2 95 30 2 85 28 2 65 26 2 46 24 2 26 22 2 06 20 5 0 5 10 15 20 Outdoor inlet air D B temp C High pressure at wide tube service valve MPa kgf cm 2 G 1 87 18 1 67 16 1 47 14 25 7 1 28 12 1 08 10 3...

Page 24: ...0 5 10 15 20 Outdoor inlet air D B temp C High pressure at wide tube service valve MPa kgf cm 2 G 25 7 2 95 30 2 85 28 2 65 26 2 46 24 2 26 22 2 06 20 1 87 18 1 67 16 1 47 14 1 28 12 1 08 10 27 20 15...

Page 25: ...istance m Axis air velocity m s Vertical distance m Axis air velocity Flap angle 0 30 Room air temp 27 C Fan speed High Cooling 0 1 2 3 4 5 6 7 8 9 1 2 3 4 Horizontal distance m Axis air velocity m s...

Page 26: ...air velocity m s Vertical distance m Axis air velocity Flap angle 45 60 Room air temp 20 C Fan speed High Heating 0 1 2 3 4 5 6 7 8 9 1 2 3 4 Horizontal distance m Axis air velocity m s Vertical dista...

Page 27: ...air velocity m s Vertical distance m Axis air velocity Flap angle 45 60 Room air temp 20 C Fan speed High Heating 0 1 2 3 4 5 6 7 8 9 1 2 3 4 Horizontal distance m Axis air velocity m s Vertical dist...

Page 28: ...C 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 d...

Page 29: ...D B 6 C W B 2 Above characteristics indicate instantaneous operation which does not take into consideration defrost operation 3 Fan speed High 4 Because this air conditioner heats a room by drawing i...

Page 30: ...ure 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...

Page 31: ...door 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 Motor Fan Motor Compress...

Page 32: ...utdoor 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 Motor Fan Motor Compre...

Page 33: ...oor 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 Motor Fan Motor Compresso...

Page 34: ...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 MCAV77R5VAA MCAV97R5VAA MCAV12...

Page 35: ...To avoid electrical shock hazard be sure to disconnect power before checking servicing and or cleaning any electrical parts WARNING Indoor Unit KPA128R5TAA 32...

Page 36: ...33 To avoid electrical shock hazard be sure to disconnect power before checking servicing and or cleaning any electrical parts WARNING Outdoor Unit GR79R5TBA GR99R5TBA GR129R5TBA...

Page 37: ...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 38: ...ective 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 temperature Compressor ON T...

Page 39: ...calculates the difference 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 te...

Page 40: ...r at least 6 minutes The compressor does not start again until the temperature rises above 8 C or 6 minutes has elapsed 1 Functionally compressor running period or time are of two types 10 minutes and...

Page 41: ...nges from L low speed to M medium speed When the temperature of the indoor heat exchange coil rises above A C the outdoor fan stops The operation temperature shown as A B C and D in the chart differ b...

Page 42: ...the indoor unit lights up when this function is working when 10 minutes has elapsed the fan speed is automatically switched to set speed regardless of indoor heat exchange coil temperature The operat...

Page 43: ...C D Temperature of indoor heat exchanger coil is below Ta C Continuous operating time of compressor is more than 20 minutes Outdoor fan is either operated or stopped for more than 10 minutes A Is outd...

Page 44: ...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 45: ...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 46: ...easure insulation resistance 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 fr...

Page 47: ...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 48: ...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 49: ...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 50: ...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 51: ...compressor motor winding Measure resistance of power relay PR NO YES YES Internal protector K is working YES Temperature of compressor is abnormally high Refrigerant gas shortage Charge refrigerant ga...

Page 52: ...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 53: ...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 54: ...or is short the air conditioner will be in the following conditions as the controller tries to detect extremely high room temperature a In Cooling mode The air conditioner continues to operate Thermo...

Page 55: ...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 56: ...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 maximum value The capacitor is...

Page 57: ...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 58: ...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 59: ...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 60: ...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 61: ...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 62: ...S A C olgiate olona printed in italy R D 28 Reyrieux BP 131 01601 Tr voux CEDEX France T l 04 74 00 92 92 Fax 04 74 00 42 00 R C S Bourg en Bresse B 759 200 728...

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