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Service Manual

Table of Contents

Table of Contents

Part

Ⅰ

: Technical Information

.......................................................................1

1. Summary

......................................................................................................................1

2. Specifications

..........................................................................................................2

3. Outline Dimension Diagram

......................................................................10

4. Refrigerant System Diagram

....................................................................12

5. Electrical Part

.........................................................................................................14

5.1 Wiring Diagram ...............................................................................................................14
5.2 PCB Printed Diagram .....................................................................................................17

6. Function and Control

......................................................................................20

Part

Ⅱ

: Installation and Maintenance

.................................................23

7. Notes for Installation and Maintenance

..........................................23

8. Installation Manual

............................................................................................26

9. Troubleshooting

..................................................................................................31

9.1 Malfunction Indicator .....................................................................................................31
9.2 Malfunction Checking and Elimination ...........................................................................32
9.3 Maintenance Method for Normal Malfunction .................................................................38

10. Exploded View and Parts List

..............................................................40

11. Removal Procedure

.......................................................................................48

Appendix:

........................................................................................................................73

Appendix 1: Reference Sheet of Celsius and Fahrenheit ....................................................73
Appendix 2: Pipe Expanding Method ...................................................................................74
Appendix 3: List of Resistance for Temperature Sensor ......................................................75

Содержание TM18H4O

Страница 1: ...Service Manual Models Models TM18H4O TM24H4O TM30H4O TM36H4O TM42H3O Refrigerant R410A ...

Страница 2: ...nd Maintenance 23 8 Installation Manual 26 8 1 Electrical Connections 27 8 2 Installing the Outdoor Unit 28 8 3 Installation Dimension Diagram 29 8 4 Check after Installation 30 9 Troubleshooting 31 9 1 Malfunction Indicator 31 9 2 Malfunction Checking and Elimination 32 9 3 Maintenance Method for Normal Malfunction 38 10 Exploded View and Parts List 40 11 Removal Procedure 48 Appendix 73 Appendix...

Страница 3: ... Ⅰ Technical Information Outdoor Unit TM18H4O TM24H4O TM30H4O TM36H4O TM42H3O Model List No Model Product code 1 TM18H4O CB228W07700_L81561 2 TM24H4O CB228W07800_L81561 3 TM30H4O CB228W07900_L81561 4 TM36H4O CB228W08000_L81561 5 TM42H3O CN860W0180_L81561 ...

Страница 4: ...xpansion valve Cooling Operation Ambient Temperature Range O F 0 4 118 4 Heating Operation Ambient Temperature Range O F 4 75 2 Condenser Material Aluminum Fin copper Tube Condenser Pipe Diameter inch Φ9 32 Rows Fin Gap mm inch 2 1 18 Coil length l X height H X coil width L inch 33 1 2X1 12X26 Fan Motor Speed rpm H M L rpm 630 Output of Fan Motor W 60 Fan Motor RLA A 0 62 Fan Motor Capacitor μF Ai...

Страница 5: ...ENNOX Allocation Metric inch 1 4 Outer Diameter of Gas Pipe1 LENNOX Allocation Metric inch 3 8 Outer Diameter of Gas Pipe2 LENNOX Allocation Metric inch 3 8 Connection Pipe Max Height Distance indoor and indoor ft 32 8 Connection Pipe Max Height Distance indoor and outdoor and indoor up ft 32 8 Connection Pipe Max Height Distance indoor and outdoor and outdoor up ft 32 8 Max equivalent connection ...

Страница 6: ...n valve Cooling Operation Ambient Temperature Range O F 0 4 118 4 Heating Operation Ambient Temperature Range O F 4 75 2 Condenser Material Aluminum Fin copper Tube Condenser Pipe Diameter inch Φ2 7 Rows Fin Gap mm inch 2 1 18 Coil length l X height H X coil width L inch 38 21 32X1 1 2X29 7 16 Fan Motor Speed rpm H M L rpm 800 Output of Fan Motor W 90 Fan Motor RLA A 0 59 Fan Motor Capacitor μF Ai...

Страница 7: ...LENNOX Allocation Metric inch 1 4 Outer Diameter of Gas Pipe1 LENNOX Allocation Metric inch 3 8 Outer Diameter of Gas Pipe2 LENNOX Allocation Metric inch 3 8 Outer Diameter of Gas Pipe2 LENNOX Allocation Metric inch 3 8 Connection Pipe Max Height Distance indoor and indoor ft 32 8 Connection Pipe Max Height Distance indoor and outdoor and indoor up ft 32 8 Connection Pipe Max Height Distance indoo...

Страница 8: ...oling Operation Ambient Temperature Range O F 0 118 Heating Operation Ambient Temperature Range O F 4 86 Condenser Material Aluminum Fin copper Tube Condenser Pipe Diameter inch Φ5 16 Rows Fin Gap mm inch 2 1 16 Coil length l X height H X coil width L inch 27 7 16X29 7 16X12 13 64 Fan Motor Speed rpm H M L rpm 630 Output of Fan Motor W 60 Fan Motor RLA A Fan Motor Capacitor μF Air Flow Volume of O...

Страница 9: ...4 LENNOX Allocation Metric inch 1 4 Outer Diameter of Gas Pipe1 LENNOX Allocation Metric inch 3 8 Outer Diameter of Gas Pipe2 LENNOX Allocation Metric inch 3 8 Outer Diameter of Gas Pipe3 LENNOX Allocation Metric inch 3 8 Outer Diameter of Gas Pipe4 LENNOX Allocation Metric inch 3 8 Connection Pipe Max Height Distance indoor and indoor ft 24 6 Connection Pipe Max Height Distance indoor and outdoor...

Страница 10: ...mbient Temperature Range O F 0 118 0 118 Heating Operation Ambient Temperature Range O F 4 86 4 86 Condenser Material Aluminum Fin copper Tube Aluminum Fin copper Tube Condenser Pipe Diameter inch Φ5 16 Φ5 16 Rows Fin Gap mm inch 2 1 16 2 1 16 Coil length l X height H X coil width L inch 27 7 16X29 7 16X12 13 64 27 7 16X29 7 16X12 13 64 Fan Motor Speed rpm H M L rpm 850 850 Output of Fan Motor W 1...

Страница 11: ...pe4 LENNOX Allocation Metric inch 1 4 1 4 Outer Diameter of Gas Pipe1 LENNOX Allocation Metric inch 3 8 3 8 Outer Diameter of Gas Pipe2 LENNOX Allocation Metric inch 3 8 3 8 Outer Diameter of Gas Pipe3 LENNOX Allocation Metric inch 3 8 3 8 Outer Diameter of Gas Pipe4 LENNOX Allocation Metric inch 3 8 3 8 Outer Diameter of Gas Pipe4 LENNOX Allocation Metric inch 3 8 3 8 Connection Pipe Max Height D...

Страница 12: ...10 Technical Information Service Manual 3 Outline Dimension Diagram 35 1 8 38 27 9 16 15 39 64 13 27 64 22 14 1 2 Unit inch Unit inch TM18H4O TM24H4O 38 37 64 35 1 8 13 27 64 17 21 64 31 7 64 22 14 1 2 ...

Страница 13: ...11 Technical Information Service Manual TM36H4O TM42H3O TM30H4O Unit inch 40 42 1 2 24 13 16 17 21 64 14 1 4 14 51 64 43 27 64 38 27 64 36 7 32 17 21 64 14 37 64 31 24 1523 32 Unit inch ...

Страница 14: ... Not available for 14K 18K model C2 C3 D3 D2 B3 B2 A2 A3 A1 A unit electronic expansion valve B1 B unit electronic expansion valve C1 C unit electronic expansion valve D1 D unit electronic expansion valve A2 A unit gas pipe temperature sensor B2 B unit gas pipe temperature sensor C2 C unit gas pipe temperature sensor D2 D unit gas pipe temperature sensor A3 A unit liquid pipe temperature sensor B3...

Страница 15: ...nit to exchange heat with the outdoor air and then is turned into refrigerant liquid After passing through the throttling device the temperature and pressure of the refrigerant liquid will further decrease and then go the main valve After that it will be divided and go to the heat exchanger of each indoor unit to exchange heat with the air which needs to be conditioned Consequently the refrigerant...

Страница 16: ...03 0 1 9 1 2 1 2035 6625 1 7 5 5 5 7 1 9 5 57 57 7 03 6 1625 7 03 6 1625 5 7 03 6 1625 48 3 3 7 03 6 1625 6 3 3 57 57 20 11 5 8 1 8 8 1 8 1 8 1 1 3 3 1 1 3 0DLQ RDUG 8 9 5 8 8 5 1 9 8 7 6 1625 32 5 1 7 7 7 203 7 50 1 2 29 203 6 7 2 7 50 1 7 50 1 2 1 DW 3 LV KLJKHU WKDQ 9 WR WKH YROWDJH RI WHUPLQDO 3 DQG 3OHDVH GRQ W WRXFK DQ WHUPLQDO ZKHQ 51 1 SUHYHQW WKH ULVN RI HOHFWULFDO VKRFN 1 1 9 9 6 3 3 48 ...

Страница 17: ...33609 5 27720 1 7 5 0 2 1 1 02725 32 5 7 03 6 1625 7 03 6 1625 7 03 6 1625 867 2875220 28778 35 6685 6 7 3527 725 29 5 2 203 6 1625 6 1625 7 03 8 1 5 8 5 8 5 5 5 5 1 8 1 8 7 50 1 7 50 1 2 1 1 7 1 7 7 4 4 4 57 57 78 78 57 57 57 57 78 20 11 5 1 57 57 9 8 9 29 203 8 3 33 57 7 6 1625 7 7 5 1 7 5 2035 6625 9 9 9 8 211 725 97 97 9 9 9 7521 3 16 21 9 9 2 2 7 50 1 2 7 50 1 287 225 81 7 9 9 3 16 21 7521 75...

Страница 18: ...5 725 1 7 5 2035 6625 1 57 57 57 57 57 57 57 57 57 57 57 1 7 5 7 5 7 5 6 7 9 9 7 7 7 7 7 1 1 1 1 1 1 7 57 57 57 57 7 7Ƚ 9 9 3 57 9 9 9 9 1 8 8 1 8 1 8 1 8 1 8 1 1 8 5 2 1 2 2 5 8 5 8 5 1 3 3 8 1 1 1 1 203 3 33 7 1 1 3 3 0 6 7 7 9 9 9 9 9 0 2 1 208 1 9 8 9 29 203 1 3 287 225 81 7 6 0 2 1 0 7 203 20321 17 326 7 21 5 0 7 7 7 7 3 7 LURQ VKHOO PRWRU RQO DSSOLHV WR WKH 1RWH 0RWRU JURXQG TM36H4O TM42H3O ...

Страница 19: ... pressure protection terminal 7 Terminal of outdoor unit 8 Electric heating belt terminal of chassis 9 Terminal of 4 way valve 10 Electric heating belt terminal of compressor 11 Terminal of temperature sensor wire for liquid valve and gas valve 12 Terminal of electronic expansion valve 13 Terminal of communication wire for indoor unit and outdoor unit 14 Neutral wire terminal for communication 15 ...

Страница 20: ...erminal of outdoor unit 9 Terminal of 4 way valve 10 Temperature sensor for liquid valve and gas valve for unit A 11 Temperature sensor for liquid valve and gas valve for unit B 12 Temperature sensor for liquid valve and gas valve for unit C 13 Temperature sensor for liquid valve and gas valve for unit D 14 Electronic expansion vale for unit A 15 Electronic expansion vale for unit C 16 Electronic ...

Страница 21: ...oad protector 7 HPP terminals of high pressure switch 8 EVA EVE terminals of EXV electronic expansion valve 9 CN802 CN803 terminals of temperature sensor 10 COMU terminals of communication 11 OFAN terminals of fan 12 4WAY terminals of 4 way valve 13 HEAT terminals of compressor band heater 14 HEAT1 terminals of bottom band heater 15 K101 Main relay 16 L4 L5 choke 1 2 3 4 5 6 7 8 10 9 11 13 14 12 1...

Страница 22: ...starting and then it will run in set speed The fan shall run at every speed for at least 80s When the quantity of running indoor unit is changed the unit will enter the control described in 1 3 5 1 and 1 3 5 2 When the compressor stops the outdoor fan runs at present speed and stops after 1min 1 2 Dry Mode 1 2 1 The dry conditions and process are the same as those in cooling mode 1 2 2 The status ...

Страница 23: ...de then compare the mode of the other indoor units to see if there is a conflict Cooling mode dry mode is in conflict with heating mode b Fan mode is in conflict with heating mode and the heating mode is the basic mode No matter which indoor unit operates first the unit will run in heating mode 2 2 Overload protection function When the tube temperature is a little low the compressor raises the ope...

Страница 24: ...ing through the power 2 8 Compressor Phase lacking Protection When the compressor starts if one of the three phases is detected open the compressor will enter phase lacking protection The malfunction will be cleared after 1min the unit will restart and then detect if there is still has phase lacking protection If the phase lacking protection is detected for 6 times continuously the compressor will...

Страница 25: ... the unit adequately grounded The grounding wire cant be used for other purposes 6 Must apply protective accessories such as protective boards cable cross loop and 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 connection wires cant be pressed by hard ...

Страница 26: ... liquid valve and gas valve are fully closed and power is disconnected before detaching the connection pipe If compressor starts running when stop valve is open and connection pipe is not yet connected air will be sucked in and cause pressure rise or compressor rupture resulting in injury When installing the unit make sure that connection pipe is securely connected before the compressor starts run...

Страница 27: ...ing tape 4 Electroprobe 7 Electronic leakage detector 10 Pipe pliers pipe cutter 2 Screw driver 5 Universal meter 8 Vacuum pump 11 Pipe expander pipe bender 3 Impact drill drill head electric drill 6 Torque wrench open end wrench inner hexagon spanner 9 Pressure meter 12 Soldering appliance refrigerant container ...

Страница 28: ...ke the bound pipes pass through the wall hole and then connect outdoor unit Neaten the pipes Vacuum pumping and leakage detection Check after installation and test operation Finish installation Note this flow is only for reference please find the more detailed installation steps in this section Select outdoor unit installation location Install the support of outdoor unit select it according to the...

Страница 29: ...of the unit A and unit B must be corresponding to each other respective The appliance shall be installed in accordance with national wiring regulations Note the above figures are only intended to be a simple diagram of the appliance and may not correspond to the appearance of the units that have been purchased N 1 2 3 N 1 2 3 INDOOR UNIT C INDOOR UNIT D XTC N 1 N 1 XTD N 1 2 3 N 1 2 3 INDO OR UNIT...

Страница 30: ...the vacuum pump coupling Stop the vacuum pump 6 Open the 2 way valve by 1 4 turn and then close it after 10 seconds Check all the joints for leaks using liquid soap or an electronic leak device 7 Turn the body of the 2 way and 3 way valves Disconnect the vacuum pump hose 8 Replace and tighten all the caps on the valves Hex nut diameter inch Tightening torque ft Ibf Φ1 4 11 10 4 75 Φ3 8 20 12 29 50...

Страница 31: ... installation must be done by trained and qualified service personnel with reliability according to this manual Contact service center before installation to avoid the malfunction due to unprofessional installation When picking up and moving the units you must be guided by trained and qualified person Ensure that the recommended space is left around the appliance 19 2 3 39 3 8 78 3 4 19 2 3 19 2 3...

Страница 32: ...d down or the components may be burned out Are the lines and pipelines correctly installed The unit may bread down or the components may be burned out Has the unit been safely grounded Are the models of lines in conformity with requirements The unit may bread down or the components may be burned out Are there any obstacles near the air inlet and outlet of the indoor and outdoor units The unit may ...

Страница 33: ...r tube sensor malfunction Flash 5 times F4 Exhaust sensor malfunction Flash 7 times F5 Attain the temperature of switch on Flash 8 times Frequency limit power Flash 13 times Outdoor fan malfunction Flash 14 times Frequency limit PFC module temperature Flash 15 times PFC module sensor malfunction Flash 16 times oE Liquid pipe temperature sensor malfunction of A Flash 17 times Gas pipe temperature s...

Страница 34: ...ectly N N N Connected correctly Reconnect according to the wiring diagram Y N Y De energize change the communication wire of the well communicated indoor unit and malfunction indoor unit then energize the unit and wait for 3min The malfunction indoor unit resumes normal Replace outdoor mainboard Replace the mainboard of the malfunction indoor unit Malfunction display E6 Communication malfunction 9...

Страница 35: ...ted correctly Connected correctly Reconnect according to the wiring diagram Connected correctly Reconnect according to the wiring diagram De energize check if the connection wire between the outdoor mainboard and the filter board according to the wiring diagram The connection wire is broken Replace the connection wire Check if there is power input bewtweenthenetrualwireandlive wire of the outdoor ...

Страница 36: ...ce the outdoor unit mainboard Replace pressure switch Check if operation mode of indoor unit is properly set N N Y Y Y Y Check if gas valve and liquid valve are completely open Refer to Instruction Manual of indoor unit Check if the panel of outdoor unit is firmly closed N N Completely open the valve Close the panel Check if the air return and supply from heat exchanger of indoor unit and outdoor ...

Страница 37: ...istance value is correct Replace the outdoor unit mainboard Replace relevant discharge temperature sensor Discharge temperature protection Malfunction display E5 Compressor Overheat N Y Y Y Y Y N N N Check if compressor s connection line is properly connected Adjust compressor s connection line Check if current value is higher than the protector s setting Replace overcurrent protector If unit s hi...

Страница 38: ...r Check if the plug of the temperature sensor is correctly connected with socket on the mainboard N Removethe sensor to check if the resistance value is ok N Y Y Y Replace mainboard of the indoor uint Check the direction of the plug and socket Replace temperature sensor Failure of condenser Temp sensor ...

Страница 39: ...sistance value is ok Replace mainboard of the indoor uint Replace temperature sensor Check the direction of the plug and socket Malfunction display F5 Failure of Exhaust Temp Sensor N N Y Y Y Failure of Exhaust Temp sensor Check if the plug of the temperature sensor is correctly connected with socket on the mainboard Remove the sensor to check if the resistance value is ok Replace mainboard of the...

Страница 40: ...od for details Malfunction of compressor Compressor cant operate Refer to point 5 of maintenance method for details 9 3 Maintenance Method for Normal Malfunction 1 Air Conditioner Cant be Started Up 2 Poor Cooling Heating for Air Conditioner 3 Horizontal Louver Cant Swing Possible Causes Discriminating Method Air conditioner Status Troubleshooting No power supply or poor connection for power plug ...

Страница 41: ... pipe Replace drain pipe Wrapping is not tight Water leaking from the pipe connection place of indoor unit Wrap it again and bundle it tightly 5 Compressor Cant Operate Possible causes Discriminating method air conditioner status Troubleshooting Wrong wire connection or poor connection Check the wiring status according to circuit diagram Connect wires according to wiring diagram to make sure all w...

Страница 42: ... and Maintenance Service Manual 10 Exploded View and Parts List TM18H4O 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 The component picture is only for reference please refer to the actual product ...

Страница 43: ...71312802P 1 16 Cut off Valve 07130239 1 17 Cut off Valve 071302391 1 18 Wiring Cover Sub assy 01253057 1 19 Handle Assy 02113044 1 20 Electric Expand Valve Fitting 43000084 1 21 Electric Expand Valve Fitting 4300008401 1 22 Temperature Sensor 39000073 1 23 Temperature Sensor 3900007301 1 24 Wiring Clamp 26115004 1 25 Temperature Sensor 39000073 1 26 Rear Grill 01473043 1 27 Condenser Assy 01100200...

Страница 44: ...42 Installation and Maintenance Service Manual TM24H4O The component picture is only for reference please refer to the actual product ...

Страница 45: ...te 0131410000901P 1 19 Wiring Cover Sub assy 01264100034 1 20 Handle Assy 02204100008 1 21 Electric Expand Valve Fitting 43000084 1 22 Electric Expand Valve Fitting 4300008401 1 23 Electric Expand Valve Fitting 4300008402 1 24 Temperature Sensor 3900030901 1 25 Temperature Sensor 39000073 1 26 Temperature Sensor 3900007305 3900007306 1 27 Wiring Clamp 26115004 1 28 Temperature Sensor 3900030901 1 ...

Страница 46: ...anual TM30H4O 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 The component picture is only for reference please refer to the actual product ...

Страница 47: ... Assy 02204100008 1 24 Right Side Plate 0131410000901P 1 25 Electric Expand Valve Fitting 4304413234 1 26 Electric Expand Valve Fitting 4304413235 1 27 Wiring Clamp 26115004 1 28 Electric Expand Valve Fitting 4304413237 1 29 Bidirection Strainer 07220016 1 30 Gas liquid Separator Assy 07225017 1 31 Reactor 43130186 1 32 Rear Grill 01574100003 1 33 Clapboard 01244100003 1 34 Cable Cross Loop 765120...

Страница 48: ...M36H4O TM42H3O 55 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 The component picture is only for reference please refer to the actual product ...

Страница 49: ... Valve Fitting 4300876704 4304413234 1 25 Right Side Plate 0131410002701P 0131410002701P 1 26 Wiring Cover Sub assy 01264100034 01264100034 1 27 Handle Assy 02204100008 02204100008 1 28 Wiring Clamp 26115004 26115004 1 29 Cut off Valve 07130239 071302391 1 30 Electric Expand Valve Fitting 4300876717 4304413235 1 31 Rear Grill 01574100007 01574100007 1 32 Condenser Assy 01124100116 01124100116 1 33...

Страница 50: ...d discharge the refrigerant completely before removal Steps Procedure Remove the screws fixing big handle and right side plate to remove the big handle 1 Remove big handle and wire connection cover Before disassembly Remove the screws fixing wire connection cover and right side plate to remove the wire connection cover big handle wire connection cover TM18H4O ...

Страница 51: ... top cover panel and left right side plate to remove top cover Remove the screws fixing grille and panel to remove the grille on the panel Remove the screws fixing panel chassis and motor support to remove the panel 2 Remove top cover 3 Remove grille 4 Remove panel top cover grille panel ...

Страница 52: ...ard grille to remove the right side plate Remove the screws fixing guard grille and left side plate to remove guard grille Remove the screws fixing chassis and condenser support to remove the left side plate 5 Remove right side plate 6 Remove guard grille 7 Remove left side plate right side plate guard grille left side plate ...

Страница 53: ... with spanner to remove the fan blade Remove the tapping screws fixing motor pull out the pin of leading wire for motor and remove the screws fixing motor support and chassis to remove the motor and motor support sub assy 9 Remove axial fan blade 10 Remove motor and motor support sub assy 8 Remove condenser support condenser support axial fan blade motor motor support sub assy ...

Страница 54: ...tance and isolation sheet to remove the PFC electrical inductance Welding cut the welding point jointing the four way valve with blowtorch to remove the four way valve sub assy Note please make sure theres no refrigerant in the unit before remove any tube or compressor 12 Remove PFC electrical inductance 13 Remove four way valve sub assy 11 Remove electric box sub assy electric box sub assy PFC el...

Страница 55: ...suction pipe sub assy Remove the screws fixing isolation sheet and liquid receiver and lift to remove the liquid receiver Remove the screws fixing isolation sheet and condenser side plate to remove the isolation sheet assy 15 Remove liquid receiver 16 Remove the isolation sheet assy 14 Remove suction pipe sub assy suction pipe sub assy liquid receiver isolation sheet assy ...

Страница 56: ...s fixing valve support assy and chassis sub assy to remove the valve support assy Welding cut the welding point jointing EXV sub assy and refrigerant collection pipe to remove the EXV assy Note fully pack the big valve with wet cloth when welding cutting to avoid high temperature damage of valve 18 Remove valve support assy 19 Remove EXV assy 17 Remove compressor compressor valve support assy EXV ...

Страница 57: ...crews connecting the top panel with the front panel and the right side plate and then remove the top panel 2 Remove grille front side plate and panel Remove Remove the 1 screw connecting the front side plate and the panel and then remove the front side plate the 2 screws connecting the grille and the panel and then remove the grille b Steps Procedure grille front side plate top panel TM24H4O ...

Страница 58: ... the panel 3 Remove right side plate and left side plate Remove the screws connecting the right side plate with the chassis the valve support and the electric box and then remove the right side plate assy panel right side plate Remove the screws connecting the left side plate and the chassis and then left side plate remove the left side plate assy ...

Страница 59: ...ut the wiring terminals and then pull the electric box upwards to remove it Remove the 4 tapping screws fixing the motor disconnect the leading wire insert of the motor and then remove the motor Remove the 2 tapping screws fixing the motor support and then pull the motor support upwards to remove it electric box fan motor axial flow blade Remove the nuts fixing the blade and then remove the axial ...

Страница 60: ...ndproof sponge carefully 7 Remove Isolation sheet Remove the 3 screws fixing the isolation sheet and then remove the Isolation sheet Isolation sheet Discharge the refrigerant completely unsolder the pipelines connecting the compressor and the condenser assy and then remove the 4 way valve assy 4 way valve assy 4 way valve assy Connection Pipe soundproof sponge ...

Страница 61: ... 2 bolts fixing the valve subassemblies Unsolder the welding joint connecting the gas valve and the return air pipe Remove the gas valve Note When unsoldering the soldering joint wrap the gas valve with wet cloth completely to avoid damage to the valve caused by high temperature Unsolder the welding joint connecting the liquid valve and the connecting pipe Remove the liquid valve Remove screws fix...

Страница 62: ...60 Installation and Maintenance Service Manual 11 Remove condenser sub assy Remove the chassis sub assy and condenser sub assy chassis sub assy condenser sub assy ...

Страница 63: ...de plate lift the top cover upwards to remove it 1 Remove the handle 2 Remove top cover 3 Remove front side plate front side plate Remove the screws connecting the front side plate with chassis and middle isolation sheet and then remove the front side plate TM30H4O handle Remove the screws connicting the handle with right side plate and then remove the handle ...

Страница 64: ...de plate and then remove the rear guard grille Remove the screws connecting the right side plate with electric box assy valve support chassis and condenser side plate and then remove the right side plate Remove the 4 screws connecting the grille and outer case and then remove the panel grille 4 Remove rear guard grille 5 Remove right side plate 6 Remove grille and cabinet cabinet ...

Страница 65: ...compressor overload protector temperature sensor outdoor fan motor and 4 way valve See fig 2 Note keep pressing the circlip when disconnecting the wiring terminal of reactor keep pressing the retainer when disconnecting other wiring terminals 3 Remove the wire inside the wiring groove 7 Remove outer case 8 Remove electric box assy 9 Remove blade motor motor support reactor 1 Remove nuts fixing axi...

Страница 66: ...p the 4 way valve with wet cloth completely to avoid damage to valve due to high temperature Unsolder all spot welds connected with valve support and then remove the valve support Note When unsoldering the spot weld wrap the gas valve and liquid valve with wet cloth completely to avoid damage to valve due to high temperature Remove all spot welds connected with connection pipe and then remove the ...

Страница 67: ...olation sheet 13 Remove compressor compressor Remove the 3 foot nuts fixing compressor and then lift the compressor upwards to remove the compressor and damping cushion Note Keep the ports of discharge pipe and suction pipe from foreign objects Remove 4 screws fixing reactor sub assy and motor support and then remove the reactor sub assy 14 Remove the reactor reactor 1 5 Remove middle isolation sh...

Страница 68: ... and then remove the condenser Remove 2 screws connecting support plate of condenser and condenser and then remove the support plate of condenser 16 Remove left side plate 17 Remove condenser Remove screws connecting left side plate and support plate of condenser chassis and then remove the left side plate left side plate support plate of condenser ...

Страница 69: ... and left side plate lift the top cover upwards to remove it 1 Remove the handle 2 Remove top cover 3 Remove front side plate front side plate Remove the screws connecting the front side plate with chassis and middle isolation sheet and then remove the front side plate handle Remove the screws connicting the handle with right side plate and then remove the handle ...

Страница 70: ... right side plate Remove the 4 screws connecting the grille and outer case and then remove the panel grille 5 Remove right side plate 6 Remove grille and cabinet cabinet outer case Remove screws connecting outer case and motor support middle isolation sheet and chassis pull the outer case upwards slightly loosen clasps between outer case and right side plate left side plate and then remove the out...

Страница 71: ... the wiring groove 8 Remove electric box assy 9 Remove blade motor motor support reactor 1 Remove nuts fixing axial flow blade with wrench and then remove the axial flow blade 2 Remove 2 screws connecting motor support and chassis loosen damper block and then remove the motor support 3 Remove 4 screws fixing motor and then remove the motor 4 Remove 4 screws fixing reactor sub assy and motor suppor...

Страница 72: ...with wet cloth completely to avoid damage to valve due to high temperature Remove all spot welds connected with connection pipe and then remove the connection pipe sub assy 11 Remove valve support 12 Remove connection pipe sub assy compressor 13 Remove compressor Remove the 3 foot nuts fixing compressor and then lift the compressor upwards to remove the compressor and damping cushion Note Keep the...

Страница 73: ...r Unsolder spot welds connected with vapour liquid separator remove 2 foot nuts fixing vapour liquid separator and compressor mounting plate sub assy and then remove the vapour liquid separator 15 Remove compressor mounting plate sub assy Remove the 4 foot nuts fixing compressor mounting plate sub assy and chassis to remove the compressor mounting plate sub assy vapour liquid separator compressor ...

Страница 74: ...enser and then remove the support plate of condenser 18 Remove left side plate 19 Remove condenser Remove screws connecting left side plate and support plate of condenser chassis and then remove the left side plate left side plate support plate of condenser middle isolation sheet Remove screws connecting middle isolation sheet and support plate of condenser chassis and then remove the middle isola...

Страница 75: ...1 62 60 8 16 84 85 84 2 29 39 40 39 2 4 63 62 6 17 86 87 86 30 41 42 41 5 64 65 64 4 18 88 89 87 8 31 43 44 42 8 6 66 67 66 2 19 90 89 6 32 45 44 6 7 68 69 68 20 91 92 91 4 33 46 47 46 4 8 70 71 69 8 21 93 94 93 2 34 48 49 48 2 9 72 71 6 22 95 96 95 35 50 51 50 10 73 74 73 4 23 97 98 96 8 36 52 53 51 8 11 75 76 75 2 24 99 98 6 37 54 53 6 12 77 78 77 25 Fahrenheit display temperature Fahrenheit Cel...

Страница 76: ...o the following steps A Cut the pip Confirm the pipe length according to the distance of indoor unit and outdoor unit Cut the required pipe with pipe cutter B Remove the burrs Remove the burrs with shaper and prevent the burrs from getting into the pipe C Put on suitable insulating pipe D Put on the union nut Remove the union nut on the indoor connection pipe and outdoor valve install the union nu...

Страница 77: ... 2 358 233 6 0 717 24 8 60 23 95 9 779 165 2 2 28 235 4 0 697 26 6 57 18 96 8 9 382 167 2 206 237 2 0 678 28 4 54 31 98 6 9 003 168 8 2 133 239 0 66 30 2 51 59 100 4 8 642 170 6 2 064 240 8 0 642 32 49 02 102 2 8 297 172 4 1 997 242 6 0 625 33 8 46 6 104 7 967 174 2 1 933 244 4 0 608 35 6 44 31 105 8 7 653 176 1 871 246 2 0 592 37 4 42 14 107 6 7 352 177 8 1 811 248 0 577 39 2 40 09 109 4 7 065 17...

Страница 78: ...31 95 13 04 165 2 3 04 235 4 0 93 26 6 76 24 96 8 12 51 167 2 94 237 2 0 904 28 4 72 41 98 6 12 168 8 2 844 239 0 88 30 2 68 79 100 4 11 52 170 6 2 752 240 8 0 856 32 65 37 102 2 11 06 172 4 2 663 242 6 0 833 33 8 62 13 104 10 62 174 2 2 577 244 4 0 811 35 6 59 08 105 8 10 2 176 2 495 246 2 0 77 37 4 56 19 107 6 9 803 177 8 2 415 248 0 769 39 2 53 46 109 4 9 42 179 6 2 339 249 8 0 746 41 50 87 111...

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