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3.2 Trouble shooting

3.2.1 E1, E2 ---IDU Room temperature sensor and/or coil temperature sensor failure.

Start

Display E1or E2

Re-connect

Is the sensor well

connected to PCB

Multi-meter check the

sensor, is it open or

short circuit?

Replace the sensor

No

Yes

Yes

Replace IDU PCB

The malfunction

eliminated?

End

E1/E2

disappear?

Yes

No

No

No

Yes

Air Conditioner Service Manual

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Summary of Contents for 09CH-FIXED-A1

Page 1: ...ual Service Manual Models TRANE 09CO FIXED A1 TRANE 12CO FIXED A1 TRANE 18CO FIXED A1 TRANE 24CO FIXED A1 TRANE 09CH FIXED A1 TRANE 12CH FIXED A1 TRANE 18CH FIXED A1 TRANE 24CH FIXED A1 WALL MOUNTED S...

Page 2: ...c Controller Introduction 9 PART Installation and Maintenance 16 1 Notes for installation and maintenance 16 2 Installation 24 3 Maintenance 31 4 Exploded view and parts list 35 5 Disassembly IDU ODU...

Page 3: ...liance may result in personal injury and property damage The manufacturer or seller cannot be responsible for the interpretation of this information nor can it assume any liability in connection with...

Page 4: ...203 292 787 498 290 415 291 225 48 5 52 TRANE 18CO FIXED A1 910 206 863 602 349 518 357 329 55 63 63 TRANE 24CO FIXED A1 1010 220 315 890 605 357 518 357 329 55 63 TRANE 09CH FIXED A1 777 201 250 787...

Page 5: ...Compressor Accumulator Heat exchange condenser Heat exchange Evaporator 2 way valve Liquid side 3 way valve Gas side Cooling Heating Gas side 3 way valve Liquid side 2 way valve Heat exchange Evaporat...

Page 6: ...Wiring diagram MODEL 75 1 2 75 1 2 75 1 2 INDOOR UNIT OUTDOOR UNIT Air Conditioner Service Manual 5...

Page 7: ...MODEL 75 1 2 INDOOR UNIT Air Conditioner Service Manual OUTDOOR UNIT 6...

Page 8: ...Air Conditioner Service Manual MODEL 75 1 75 1 75 1 INDOOR UNIT OUTDOOR UNIT 7...

Page 9: ...Air Conditioner Service Manual MODEL 75 1 INDOOR UNIT OUTDOOR UNIT 8...

Page 10: ...ny button within 10 seconds the remote controller is preset as Heat Pump automatically Note If the air conditioner you purchased is a Cooling Only one but you preset the remote controller as Heat Pump...

Page 11: ...indicator 10 or or or or or LOW FAN SPEED indicator 11 or or or or or MIDDLE FAN SPEED indicator 12 or or or or HIGH FAN SPEED indicator 13 or or or SLEEP indicator 14 COMFORTABLE SLEEP indicator opt...

Page 12: ...osition according to preset 5 2 2 2 Compressor and process control 1 When RT ST 1 the compressor starts up working AC operates as customer preset 2 When a RT ST 1 the compressor will start up operatio...

Page 13: ...3 min delay for the next procedure 5 2 3 4 ECO and sleep mode Invalid 5 2 3 5 Anti frosting protection While any of condition a b or c matched the AC unit transferred to anti frosting protection a Af...

Page 14: ...sted max value of IPT RT after compressor works for 8 minutes till to current T The current value of IPT RT while compressor works the instantaneous value 1 When AC unit works matching a b and c a t1...

Page 15: ...SPEED SWING etc 5 Press TIMER ONCE AGAIN to confirm the TIME ON setting 5 2 6 2 TIMER OFF 1 TIMER OFF can be set only when the air conditioner is ON 2 Press TIMER on the remote control ONCE to enter t...

Page 16: ...working Protection continuously or tested IPT 62 for 3mins continuously while compressor stop working this protection can t be recovered unless press ON OFF button and unit will show failure code P7 N...

Page 17: ...nd wire clip 7 The live wire neutral wire and grounding wire of power supply must be corresponding to the live wire neutral wire and grounding wire of the air conditioner 8 The power cord and power co...

Page 18: ...e and 3 way valve are fully closed and power is disconnected before detaching the connecting pipe If compressor starts running when the valves is open and connecting pipe is not yet connected air will...

Page 19: ...igerant charge amount in appliance in kg Amin is the required minimum room area in m2 A is the room area in m2 LFL is the lower flammable limit in kg m3 h0 is the installation height of the appliance...

Page 20: ...Safety Installation Safety Principles Site Safety Open Flames Prohibited Ventilation Necessary Operation Safety Open Flames Prohibited Mind Static Electricity Must wear protective clothing and anti s...

Page 21: ...not more than 5 B The installation site should be equipped with a portable combustible refrigerant concentration detector which can realize two level audible and visual alarm its error must be not mor...

Page 22: ...e air conditioner Meanwhile it is necessary to make sure well ventilated 4 Safety principles during the maintenance At the time of maintenance it is necessary to ensure well ventilation on the site It...

Page 23: ...and volume of refrigerant as per the requirements on the product nameplate and overfilling is prohibited It is necessary to seal the system in a safe sealing way after maintaining the refrigerating sy...

Page 24: ...duce static Handling suggestions when a large amount of combustible refrigerant leaks It is necessary to immediately operate the ventilating equipment while cutting off other power supply and evacuati...

Page 25: ...e o b s t r u c t i o n At l e ast 250cm S p a c e t o t h e f l o o r At l e ast 50cm S p a c e t o t h e o b s t r u c t i o n A tle a s t3 0 c m S p a c etoth eo b s tr u c tio n A tl e a s t3 0 c...

Page 26: ...2 2 Accessory Remote controller Remote controller supporter Batteries Vinyl tape Drain hose Hole cover Screw Insulation material Air Conditioner Service Manual 25...

Page 27: ...ure for The air to circulate freely Install the outdoor unit in a safe and solid place If the outdoor unit is subject to vibration place rubber gaskets onto the feet of the unit Install the indoor uni...

Page 28: ...e unit and according to all current national safety code requirements 5 The cable connecting the outdoor and indoor units must be suitable for outdoor use 6 The plug must be accessible also after the...

Page 29: ...er by wrapping them with vinyl tape over the range within which they fit into the rear piping housing section 2 5 6 Indoor unit condensed water drainage The indoor unit condensed water drainage is fun...

Page 30: ...3 For the electrical connections see the wiring diagram on the back of the cover 4 Fasten the cables with a cable clamp 5 An efficient earth connection must be ensured 6 Replace the covers Wiring diag...

Page 31: ...is position there a leakage 2 8 Final test 1 Preparation of test operation The client approves the air conditioner installation Specify the important notes for air conditioner to the client 2 Method o...

Page 32: ...E6 IDU PG Fan motor DC fan motor works abnormal IDU failure Fan motor fan blade and PCB P7 Overheating protection on Heating mode Please check the troubleshooting for detail Note Remote controller FA...

Page 33: ...sensor failure Start Display E1or E2 Re connect Is the sensor well connected to PCB Multi meter check the sensor is it open or short circuit Replace the sensor No Yes Yes Replace IDU PCB The malfuncti...

Page 34: ...f fan motor is there open or short circuit of winding Replace IDU PCB Replace fan motor Yes Yes No No End Turn the fan blades by hand while power off condition Can the fan blades run smoothly Adjust t...

Page 35: ...nit and show P7 failure code Display P7 ODU fan motor works normal Replace IPT sensor Replace IDU PCB Fan motor broken Replace fan motor End No No Yes Yes P7 disappear P7 disappear Yes No Yes No The s...

Page 36: ...Air Conditioner Service Manual SORVLRQ YLHZ DQG SDUWV OLVW RPLW 35...

Page 37: ...Remove the Louver and Wi Fi Module A Unlock the louver lockers clip bend the louver slightly by hands and remove it out from mid frame Please keep the locker on louver B Remove the WiFi module leftwa...

Page 38: ...sassemble the Flap Assembly Force apart the flap assembly from base plate you can take the it out there are hooks to lock flap assembly with base plate 5 7 Remove the Filter Assembly There are 2 buckl...

Page 39: ...lectric box and base plate And take the electric box out 10 Remove Mounting Plate and the Pipes Cover A Unfix screw btw mounting plate and base plate B Press buckles shown as RED arrow you can loose t...

Page 40: ...emble the Motor Cover Unfix 2 screws btw motor cover and base you can take the cover out 13 Take the Cross Fan and fan Motor out After remove the motor cover you can take both the cross fan and motor...

Page 41: ...ix one screw on the PCB cover you can take the cover out from unit 2 Unfix one screw on the valve cover you can take it out easily B Unfix screws btw the top cover with front panel left and right plat...

Page 42: ...nd fan motor supporter ODU mid separate plate base plate uplift front panel you can take it out from unit 3 Disassemble the Left and Right side Plate A Unfix screws btw Right Plate and the Electric Bo...

Page 43: ...4 Disassemble the Axis Fan Blade A Unscrew the fan blade nut and take the blade out 5 Disassemble the Electric Box Unfix screw btw Electric Box and motor supporter etc loosen the wiring clamp then yo...

Page 44: ...take it out 8 Disassemble the 2 and 3 way Valve Unfix screw btw Valve plate and base you can take the 2 way and 3 way valve out by welding Note 1 The welding can only place while no gas in the unit 2...

Page 45: ...etc 10 Disassemble the Compressor Unscrew the nuts and take the compressor out 11 Remove the Fan Motor and motor Supporter Unfix screws btw fan motor with supporter and supporter with base plate Note...

Page 46: ...be l es s than 5m Height should Outdoor unit Indoor unit Pipe length is 15 meters Max be less than 5m Height sh ould Model Pipe size Inch Liquid Gas TRANE 09CO FIXED A1 1 4 3 8 TRANE 12CO FIXED A1 1 4...

Page 47: ...Completely remove all burrs from the cut cross section of pipe tube 2 Put the end of the copper tube pipe in a down ward direction as you remove burrs in order to avoid dropping burrs into the tubing...

Page 48: ...192 76 0 895 0 746 13 26 239 4 186 32 3 836 2 146 77 0 869 0 728 12 24 984 4 152 33 3 697 2 101 78 0 843 0 710 11 23 795 4 117 34 3 563 2 057 79 0 819 0 692 10 22 671 4 082 35 3 435 2 012 80 0 795 0 6...

Page 49: ...2 109 21 170 7 192 5 217 33 13 25 14 18 15 17 87 1 922 1 983 2 045 20 161 6 182 1 205 34 12 72 13 6 14 54 88 1 861 1 922 1 983 19 153 1 172 3 193 7 35 12 21 13 05 13 93 89 1 802 1 862 1 923 18 145 16...

Page 50: ...4 997 115 0 8087 0 8595 0 9117 8 39 53 43 2 42 33 62 4 398 4 605 4 817 116 0 8059 0 8461 0 8875 9 37 74 41 29 45 12 63 4 247 4 448 4 644 117 0 7837 0 8233 0 8641 10 36 04 39 39 43 01 64 4 101 4 288 4...

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