Perfect Aire 3PAMSH09A-SZO Service Manual
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Perfect Aire 3PAMSH09A-SZO Service Manual

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SERVICE MANUAL
FOR MODELS:
3PAMSH09A-SZW
3PAMSH09A-SZO
3PAMSH12A-SZW
3PAMSH12A-SZO
3PAMSH12B-SZW
3PAMSH12B-SZO
3PAMSH18B-SZW
3PAMSH24B-SZW
3PAMSH24B-SZO
AIR CONDITIONER
SINGLE-ZONE MINI SPLIT
Thank you for purchasing our air conditioner.
Please read this manual carefully before
operating your new air conditioning unit.
Make sure to save this manual for future
reference.

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Summary of Contents for Perfect Aire 3PAMSH09A-SZO

  • Page 1 AIR CONDITIONER SINGLE-ZONE MINI SPLIT SERVICE MANUAL FOR MODELS: 3PAMSH09A-SZW 3PAMSH09A-SZO 3PAMSH12A-SZW 3PAMSH12A-SZO 3PAMSH12B-SZW 3PAMSH12B-SZO 3PAMSH18B-SZW 3PAMSH24B-SZW 3PAMSH24B-SZO Thank you for purchasing our air conditioner. Please read this manual carefully before operating your new air conditioning unit. Make sure to save this manual for future...

  • Page 3: Table Of Contents

    Table of Contents Safety Precautions Precautions ......................... Information servicing (For flammable materials) ............Specifications Model Reference ......................Pipe length and the Drop Height ................Electrical Wiring Diagrams ..................Product Features Display Function ......................Safety Features ......................Basic Functions ......................Maintenance First Time Installation Check ..................
  • Page 4 Table of Contents Appendix Temperature Sensor Resistance Value Table for T1,T2,T3 and T4 (°C – K) ...... Temperature Sensor Resistance Value Table for TP(for some units) (°C – K) ....Pressure On Service Port ....................
  • Page 6 Safety Precautions Contents Precautions ......................2 Information servicing(For flammable materials) ..........3...

  • Page 7: Safety Precautions

    1. Precautions CAUTION To prevent personal injury, or property or unit damage, While unpacking be careful of sharp edges around adhere to all precautionary measures and instructions the unit as well as the edges of the fins on the con- denser and evaporator.

  • Page 8: Information Servicing (For Flammable Materials)

    2. Information servicing (For • Prior to work taking place, the area around the equipment is to be surveyed to make sure that there are no flammable flammable materials) hazards or ignition risks. • NO SMOKING signs shall be displayed. Checks to the area Ventilated area •...
  • Page 9 • that capacitors are discharged: this shall be done in shall also take into account the effects of aging or a safe manner to avoid possibility of sparking; continual vibration from sources such as compressors or fans. • that there no live electrical components and wiring are exposed while charging, recovering or purging 2.13 Detection of flammable refrigerants the system;...
  • Page 10 • The refrigerant charge shall be recovered into the • Before attempting the procedure ensure that: correct recovery cylinders. The system shall be flushed • mechanical handling equipment is available, if with OFN to render the unit safe. This process may required, for handling refrigerant cylinders;...
  • Page 11 • Empty recovery cylinders are evacuated and, if • The recovered refrigerant shall be returned to the possible, cooled before recovery occurs. refrigerant supplier in the correct recovery cylinder, and the relevant Waste Transfer Note arranged. Do not • The recovery equipment shall be in good working mix refrigerants in recovery units and especially not in order with a set of instructions concerning the cylinders.

  • Page 12: Specifications

    Specifications Contents Model Reference ....................2 Pipe Length and Drop Height ................3 Electrical Wiring Diagrams ..................4...
  • Page 13 3PAMSH09A-SZW 3PAMSH09A-SZO 3PAMSH12A-SZW 3PAMSH12A-SZO 3PAMSH18B-SZW 3PAMSH18B-SZO 3PAMSH24B-SZW 3PAMSH24B-SZO Specifications 2...

  • Page 14: Pipe Length And The Drop Height

    2. Pipe Length and Drop Height Capacity(Btu) Standard Length Max Pipe Length Max Elevation Additional Refrigerant 9k/12k 25m (82.0ft) 10m (32.8ft) 15g/m (0.16oz/ft) 7.5m (24.6ft) 30m (98.4ft) 20m (65.6ft) 50m (164ft) 25m (82.0ft) 30g/m (0.32oz/ft) If oil flows back into the outdoor unit’ s compressor, this might cause liquid compression or deterioration of oil return. Oil traps in the rising gas pipe can prevent this.

  • Page 15: Electrical Wiring Diagrams

    3. Electrical Wiring Diagrams 3PAMSH09A-SZO 3PAMSH09A-SZW 3PAMSH12A-SZO 3PAMSH12A-SZW 3PAMSH18B-SZO 3PAMSH18B-SZW 3PAMSH24B-SZO 3PAMSH24B-SZW 3PAMSH09A-SZO 17122000047115 3PAMSH12A-SZO 3PAMSH18B-SZO 17122000048121 3PAMSH24B-SZO Specifications 4...
  • Page 16 Indoor unit abbreviations Abbreviation Paraphrase Yellow-Green Conductor Positive and Negative Ion Generator Capacitor PLASMA Electronic Dust Collector LIVE NEUTRAL Heater The Electric Heating Belt of Indoor Unit Indoor Room Temperature Coil Temperature of Indoor Heat Exchanger Outdoor unit abbreviations Abbreviation Paraphrase 4-WAY Gas Valve Assembly/4-WAY VALVE...
  • Page 17 Indoor unit wiring diagram: 16022000020361 OPTIONAL OPTIONAL INDOOR WIRING DIAGRAM Applicable to AC motor only 16022000020361 5(3or2) HEATER SWITCH BOARD CN701 OPTIONAL HA HB E 12V/5V OPTIONAL To Randomly To Remote Alarm To Remote Switch To CCM Comm.Bus or Connected 485 Wire-controller Wire-controller - - - - This symbol indicates the...
  • Page 21 Outdoor unit printed circuit board diagram: 17122000047115...
  • Page 22 Name Meaning Earth: connect to Ground Power Supply N_in: connect to N-line (100-130V AC input) L_in: connect to L-line (100-130V AC input) CN16 S: connect to indoor unit communication 4-WAY CN60 connect to 4 way valve, 100-130V AC when is ON. HEAT1 CN17 connect to compressor heater, 100-130V AC when is ON...
  • Page 23 Outdoor unit printed circuit board diagram: 17122000044714, 17122000048121...
  • Page 24 Name Meaning Earth: connect to Ground N_in: connect to N-line (208-230V AC input) CN1A L_in: connect to L-line (208-230V AC input) CN16 S: connect to indoor unit communication HEAT1 CN17 connect to compressor heater, 208-230V AC when is ON 4-WAY CN60 connect to 4 way valve, 208-230V AC when is ON.
  • Page 25 Outdoor unit printed circuit board diagram: 17122000048064...
  • Page 26 Name Meaning Earth: connect to Ground Power Supply N_in: connect to N-line (208-230V AC input) L_in: connect to L-line (208-230V AC input) S: connect to indoor unit communication 4-WAY CN60 connect to 4 way valve, 208-230V AC when is ON. AC-FAN connect to AC fan HEAT2...

  • Page 27: Product Features

    Product Features Contents Display Function ....................2 Safety Features ......................3 Basic Functions .......................4 Table ......................4 Abbreviation ....................5 Fan Mode ......................5 Cooling Mode ....................5 Heating Mode(Heat Pump Units) ..............5 Auto-mode ....................7 Drying Mode ....................7 Forced Operation Function ................7 Sleep Function ....................8 3.10 Auto-Restart Function ..................8 3.11 Refrigerant Leakage Detection ...............8 3.12 Ionizer/Plasma (for some models) ..............8 Optional Functions ....................9...

  • Page 28: Display Function

    1. Display Function Unit display functions fresh defrost run timer fresh defrost run timer fresh defrost run timer Display A Display B Display C Display D Display E Display F Display Function Fresh(available on select units only) fresh or Defrost defrost or When the unit is on run or...

  • Page 29: Safety Features

    2. Safety Features Compressor three-minute delay at restart Compressor functions are delayed for up to one minute upon the first startup of the unit, and are delayed for up to three minutes upon subsequent unit restarts. Zero crossing detection error protection(Except for DC fan units) If AC can not detect zero crossing signal for 4 minutes or the zero crossing signal time interval is not correct, the unit will stop and the LED will display the failure.

  • Page 30: Basic Functions

    Auto Mode Defrosting Mode Case 2: A=2°C(3.6°F), and T4,15 Case 1-1 T3,10 B=-2°C(-3.6°F) 3PAMSH09A-SZO 3PAMSH12A-SZO Models 3PAMSH18B-SZO 3PAMSH24B-SZO Note: The detailed description of case 1 or case 2 is shown in the following function sections 3.4 & sections 3.6. Product Features...

  • Page 31: Abbreviation

    Abbreviation auto. • If the compressor ceases operation when the Unit element abbreviations configured temperature is reached, the indoor fan motor operates at the minimum or configured speed. Abbreviation Element • The indoor fan is controlled as below: Indoor room temperature Setting fan T1-Td (°F)
  • Page 32 parameter of EEPROM. It’s value ranges from -6°C to 6°C. T1-Td • When T1-Ts>-∆T3, the compressor ceases operation. • When T1-Ts<-∆T3-1.5°C(2.7°F), the compressor continues operation. • When the AC is operating in mute mode, the compressor operates at a low frequency. •...

  • Page 33: Auto-Mode

    Drying mode Case 1-1(for some models): • If T3 is lower than 3°C(37.4°F). and compressor • Indoor fan speed is fixed at breeze and can’t be running time is more than 120 minutes, If any one of changed. The louver angle is the same as in cooling the following conditions is satisfied, defrosting ends mode.

  • Page 34: Sleep Function

    Sleep function • If the unit was in forced cooling mode, it will run in this mode for 30 minutes and turn to auto mode with • The sleep function is available in cooling, heating, or temperature set to 24°C(76°F). auto mode.

  • Page 35: Optional Functions

    4. Optional Functions Follow me • If you press “Follow Me” on the remote, the indoor 8°C Heating unit will beep. This indicates the follow me function is active. In heating mode, the temperature can be set to as low as 8°C, preventing the indoor area from freezing if •...
  • Page 36 Product Features Contents Display Function ....................2 Safety Features ......................3 Basic Functions .......................4 Table ......................4 Abbreviation ....................5 Fan Mode ......................5 Cooling Mode ....................5 Heating Mode(Heat Pump Units) ..............5 Auto-mode ....................7 Drying Mode ....................7 Forced Operation Function ................7 Sleep Function ....................8 3.10 Auto-Restart Function ..................8 3.11 Refrigerant Leakage Detection ...............8 3.12 Ionizer/Plasma (for some models) ..............8 Optional Functions ....................9...

  • Page 37: Maintenance 2

    1. First Time Installation Check Air and moisture trapped in the refrigerant system affects To prevent air and moisture from affecting the air the performance of the air conditioner by: conditioner’s performance, the indoor unit, as well as the pipes between the indoor and outdoor unit, must be be •...
  • Page 38 Procedure: • If the pressure successfully reaches -0.1 MPa Tighten the flare nuts of the indoor and outdoor (14.5 Psi), fully close the Handle Lo valve, then units, and confirm that both the 2- and 3-way valves cease vacuum pump operations. are closed.

  • Page 39: Refrigerant Recharge

    2. Refrigerant Recharge m A A CO M Procedure: Close both 2- and 3-way valves. Operate the air conditioner in cooling mode to charge the system with liquid refrigerant. Slightly connect the Handle Lo charge hose to the 3-way service port. When the electronic scale displays the correct weight (refer to the gauge and the pressure of the Connect the charge hose to the valve at the bottom...

  • Page 40: Re-Installation

    3. Re-Installation Indoor Unit Collecting the refrigerant into the outdoor unit Procedure: Confirm that the 2- and 3-way valves are opened. Close the 3-way valve so that the gauge rests between 0.3 MPa (43.5 Psi) and 0.5 MPa (72.5 Psi). Connect the charge hose with the push pin of Handle Lo to the 3-way valve’s gas service port.
  • Page 41 Air purging with vacuum pump Procedure: • If the pressure successfully reaches -0.1 MPa Tighten the flare nuts of the indoor and outdoor (14.5 Psi), fully close the Handle Lo valve, then units, and confirm that both the 2- and 3-way valves cease vacuum pump operations.
  • Page 42 Outdoor Unit Evacuation for the whole system Procedure: Wait for 5 minutes then check whether the gauge Confirm that the 2- and 3-way valves are opened. needle moves after turning off the vacuum pump. If Connect the vacuum pump to the 3-way valve’s the gauge needle moves backward, check whether service port.
  • Page 43 Refrigerant charging m A A CO M Procedure: Close both 2- and 3-way valves. Fully open the Handle Lo manifold valve, 2- and 3-way valves. Slightly connect the Handle Lo charge hose to the 3-way service port. Operate the air conditioner in cooling mode to charge the system with liquid refrigerant.

  • Page 44: Indoor Unit Disassembly

    Indoor Unit Disassembly Contents Dimension ......................2 Indoor Unit Disassembly ..................3 Front Panel ....................3 Electrical parts ....................8 Evaporator ....................12 Fan motor and fan ..................14 Step motor ....................16 Drain Hose ....................17...

  • Page 45: Dimension

    1. Dimension Capacity Body Code W(mm) D(mm) H(mm) 5K~11K 9K~14K 17K~18K 18K~24K 1040 Indoor Unit Disassembly 2...

  • Page 46: Indoor Unit Disassembly 3

    2. Disassembly Indoor unit Front Panel Procedure Illustration 1) Hold the front panel by the tabs on Front Panel the both sides and lift it (see CJ_ AF_001). CJ_AF_001 2) Push up the bottom of an air filter, and then pull it out downwards (see CJ_AF_002).

  • Page 47: Indoor Unit Disassembly 4

    Procedure Illustration 3) Open the horizontal louver and push the hook towards left to open it (see CJ_AF_003). Horizontal Louver Hook CJ_AF_003 4) Bend the horizontal louver lightly by both hands to loosen the hooks, then remove the horizontal louver (see CJ_AF_004).
  • Page 48 Procedure Illustration 5) Remove 1 screw and then remove the electrical cover(see CJ_AF_005-1 and CJ_AF_005-2). CJ_AF_005-1 CJ_AF_005-2 6) Disconnect the connector for display board(see CJ_AF_005-3) . CJ_AF_005-3 7) Remove the display board(see CJ_ AF_005-4). CJ_AF_005-4 CJ_AF_005 Note: This section is for reference only. Actual unit appearance may vary. Indoor Unit Disassembly 5...
  • Page 49 Procedure Illustration 8) Open the screw caps(2) and the remove the screws(see CJ_AF_006). 9) Release the 4 hooks. CJ_AF_006 10) Release the seven hooks in the back (see CJ_AF_007). Hooks CJ_AF_007 Note: This section is for reference only. Actual unit appearance may vary. Indoor Unit Disassembly 6...
  • Page 50 Procedure Illustration 11) Pull out the panel frame while pushing the hook through a clearance between the panel frame and the heat exchanger (see CJ_AF_008). CJ_AF_008 Panel Frame Note: This section is for reference only. Actual unit appearance may vary. Indoor Unit Disassembly 7...

  • Page 51: Electrical Parts

    Electrical parts Note: Remove the front panel (refer to 1. Front panel) before disassembling electrical parts. Procedure Illustration 1) Remove the fixing screw and then remove the cover of electronic box and the terminal cover (see CJ_AF_009). Electronic Cover Fixing Screw CJ_AF_009 2) Pull out the room temperature sensor (T1) and the coil temperature sensor...
  • Page 52 Procedure Illustration 4) Remove the fixing screw (see CJ_ AF_011-1). 5) Pull out the Electrical control box along the direction indicated in right image. to remove it (CJ_AF_011-2). Fixing Screw CJ_AF_011-1 Electronic Box CJ_AF_011-2 Swing Motor Applicable to AC Motor Only Indoor Fan Motor 6) Disconnect the wires.
  • Page 53 Procedure Illustration 7) Remove the fixing screw, then remove the capacitor of fan motor (see CJ_ AF_013). Capacitor of Fan Motor CJ_AF_013 Note: This section is for reference only. Actual unit appearance may vary. Indoor Unit Disassembly 10...

  • Page 54: Evaporator

    Evaporator Note: Remove the front panel and electrical parts (refer to 1. Front panel and 2. Electrical parts) before disassembling evaporator. Procedure Illustration 1) Disassemble the pipe holder located at the rear of the unit (see CJ_AF_014). Pipe Holder CJ_AF_014 2) Remove the screws on the evaporator located at the fixed plate (see CJ_AF_015).
  • Page 55 Procedure Illustration 4) Pull out the evaporator (see CJ_AF_017). Evaporator CJ_AF_017 Note: This section is for reference only. Actual unit appearance may vary. Indoor Unit Disassembly 12...

  • Page 56: Fan Motor And Fan

    Fan motor and fan Note: Remove the front panel, electrical parts and evaporator (refer to 1. Front panel, 2. Electrical parts, and 3. Evaporator). before disassembling fan motor and fan. Procedure Illustration 1) Remove the two screws and remove the fixing board of the fan motor (see CJ_ AF_018).

  • Page 57: Step Motor

    Step motor Note: Remove the front panel and electrical parts (refer to 1. Front panel, 2. Electrical parts) before disassembling step motor. Procedure Illustration 1) Remove the two screws, then remove the stepping motor (see CJ_AF_021). Stepping Motor CJ_AF_021 Note: This section is for reference only. Actual unit appearance may vary. Indoor Unit Disassembly 14...
  • Page 58 Outdoor Unit Disassembly Contents Outdoor Unit Table ....................2 Dimension ......................3 Outdoor Unit Disassembly ..................18 Panel Plate ....................18 Electrical Parts .....................43 Fan Assembly ....................60 Fan Motor ....................61 Sound blanket .....................62 Four-way valve .....................63 Compressor ....................64...

  • Page 59: Outdoor Unit Disassembly Outdoor Unit Table

    1. Outdoor Unit Disassembly Outdoor Unit Table Outdoor Unit Model Panel Plate PCB Board 3PAMSH09A-SZO X130 PCB Board 11 3PAMSH12A-SZO X130 PCB Board 11 3PAMSH18b-SZO X130 PCB Board 9 3PAMSH24b-SZO X230 PCB Board 9 Outdoor Unit Disassembly 2...

  • Page 60: Dimension

    2. Dimension 1. Panel Plate AA30 Outdoor Unit Disassembly 3...
  • Page 61 2. Panel Plate AB30 Outdoor Unit Disassembly 4...
  • Page 62 3. Panel Plate BA30 Outdoor Unit Disassembly 5...
  • Page 63 For US models: Outdoor Unit Disassembly 6...

  • Page 64: Panel Plate

    Panel Plate Outdoor Unit Disassembly 7...
  • Page 65 For US models: Outdoor Unit Disassembly 8...
  • Page 66 CA30 Panel Plate Outdoor Unit Disassembly 9...
  • Page 67 For US models: Outdoor Unit Disassembly 10...
  • Page 68 Panel Plate Outdoor Unit Disassembly 11...
  • Page 69 For US models: Outdoor Unit Disassembly 12...
  • Page 70 X130 Panel Plate Outdoor Unit Disassembly 13...
  • Page 71 For US models: Outdoor Unit Disassembly 14...
  • Page 72 X230 Panel Plate Outdoor Unit Disassembly 15...
  • Page 73 For US models: Outdoor Unit Disassembly 16...
  • Page 74 X330 Panel Plate Outdoor Unit Disassembly 17...
  • Page 75 X430 Panel Plate Outdoor Unit Disassembly 18...
  • Page 76 For US models: Outdoor Unit Disassembly 19...
  • Page 77 3. Outdoor Unit Disassembly Panel Plate 1. AA30 / AB30 Procedure Illustration 1) Turn off the air conditioner and the power breaker. Big Handle 2) Remove the screws of the big handle and then remove the big handle (1 screws) (see CJ_AA30_001). CJ_AA30_001 Top Cover 3) Remove the screws of the top cover...
  • Page 78 Procedure Illustration 4) Remove the screws of the front panel and then remove the front panel (6 screws) (see CJ_AA30_003). Front Panel CJ_AA30_003 5) Remove the screws of water collecting cover (2 screws) (see CJ_AA30_004). Water Collecting Cover CJ_AA30_004 Note: This section is for reference only. Actual unit appearance may vary. Outdoor Unit Disassembly 21...
  • Page 79 Procedure Illustration 6) Remove the screws of the rear net and then remove the rear net (2 screws) CJ_AA30_005). (for some (see models) CJ_AA30_005 7) Remove the screws of the right panel and then remove the right panel (6 screws) (see CJ_AA30_006). Right Panel CJ_AA30_006 Note: This section is for reference only.
  • Page 80 2. BA30 Procedure Illustration 1) Turn off the air conditioner and the Big Handle power breaker. 2) Remove the screws of the big handle and then remove the big handle (1 screws) (see CJ_BA30_001). CJ_BA30_001 Top Cover 3) Remove the screws of the top cover and then remove the top cover (3 screws).
  • Page 81 Procedure Illustration 4) Remove the screws of the front panel and then remove the front panel (7 screws) (see CJ_BA30_003). Front Panel CJ_BA30_003 5) Remove the screws of water collecting Water Collecting Cover cover (2 screws) (see CJ_BA30_004). CJ_BA30_004 Note: This section is for reference only. Actual unit appearance may vary. Outdoor Unit Disassembly 24...
  • Page 82 Procedure Illustration 6) Remove the screws of the rear net and then remove the rear net (2 (for some screws) (see CJ_BA30_005). models) CJ_BA30_005 7) Remove the screws of the right panel and then remove the right panel (6 screws) (see CJ_BA30_006). Right Panel CJ_BA30_006 Note: This section is for reference only.
  • Page 83 3. B30 Procedure Illustration 1) Turn off the air conditioner and the power breaker. Big Handle 2) Remove the screws of the big handle and then remove the big handle (1 screws) (see CJ_B30_001). CJ_B30_001 Top Cover 3) Remove the screws of the top cover and then remove the top cover (3 screws).
  • Page 84 Procedure Illustration 4) Remove the screws of the front panel and then remove the front panel (8 screws) (see CJ_B30_003). Front Panel CJ_B30_003 5) Remove the screws of water collecting cover and then remove the water collecting cover (2 screws) (see CJ_ Water Collecting Cover B30_004).
  • Page 85 Procedure Illustration 6) Remove the screws of the rear net and then remove the rear net (2 screws) CJ_B30_005). (for some models) (see CJ_B30_005 7) Remove the screws of the right panel and then remove the right panel (5 screws) (see CJ_B30_006). Right Panel CJ_B30_006 Note: This section is for reference only.
  • Page 86 4. CA30 Procedure Illustration 1) Turn off the air conditioner and the power breaker. 2) Remove the screws of the big handle and then remove the big handle Big Handle (1 screws) (see CJ_CA30_001). CJ_CA30_001 Top Cover 3) Remove the screws of the top cover and then remove the top cover (3 screws).
  • Page 87 Procedure Illustration 4) Remove the screws of the front panel and then remove the front panel (7 screws) (see CJ_CA30_003). Front Panel CJ_CA30_003 5) Remove the screws of water collecting cover and then remove the water Water Collecting Cover collecting cover (2 screws) (see CJ_ CA30_004).
  • Page 88 Procedure Illustration 6) Remove the screws of the rear net and then remove the rear net (2 screws) CJ_CA30_005). (for some (see models) CJ_CA30_005 7) Remove the screws of the right panel and then remove the right panel (7 screws) (see CJ_CA30_006). Right Panel CJ_CA30_006 Note: This section is for reference only.
  • Page 89 5. D30 Procedure Illustration 1) Turn off the air conditioner and the Big Handle power breaker. 2) Remove the screws of the big handle and then remove the big handle (2 screws) (see CJ_D30_001). CJ_D30_001 3) Remove the screws of the top cover and then remove the top cover (4 Top Cover screws).
  • Page 90 Procedure Illustration 4) Remove the screws of the front right panel and then remove the front right panel (2 screws) (see CJ_D30_003). Front Right Panel CJ_D30_003 5) Remove the screws of the front panel and then remove the front panel (9 screws) (see CJ_D30_004).
  • Page 91 Procedure Illustration 6) Remove the screws of water collecting cover and then remove the water collecting cover (2 screw) (see CJ_ D30_005). Water Collecting Cover CJ_D30_005 7) Remove the screws of the rear net and then remove the rear net (2 screws) CJ_D30_006).
  • Page 92 Procedure Illustration 8) Remove the screws of the right panel and then remove the right panel (8 screws) (see CJ_D30_007). Right Panel CJ_D30_007 Note: This section is for reference only. Actual unit appearance may vary. Outdoor Unit Disassembly 35...
  • Page 93 6. X130 Procedure Illustration 1) Turn off the air conditioner and the power breaker. 2) Remove the screw of the big handle and then remove the big handle (1 screw) (see CJ_X130_001). Big Handle CJ_X130_001 Top Cover 3) Remove the screws of the top cover and then remove the top cover (3 screws).
  • Page 94 Procedure Illustration 4) Remove the screws of water collecting cover and then remove the water collecting cover (2 screws) (see CJ_ X130_003). Water Collecting Cover CJ_X130_003 5) Remove the screws of the front panel and then remove the front panel (6 screws(onoff models) or 8 screws(inverter models) (see CJ_ X130_004).
  • Page 95 Procedure Illustration 6) Remove the screws of the right panel and then remove the right panel (5 screws) (see CJ_X130_005). Right Panel CJ_X130_005 Note: This section is for reference only. Actual unit appearance may vary. Outdoor Unit Disassembly 38...
  • Page 96 7. X230/X330 Procedure Illustration 1) Turn off the air conditioner and the power breaker. 2) Remove the screw of the big handle and then remove the big handle (1 screws) (see CJ_X230_001). Big Handle CJ_X230_001 Top Cover 3) Remove the screws of the top cover and then remove the top cover (4 screws).
  • Page 97 Procedure Illustration 4) Remove the screws of water collecting cover and then remove the water collecting cover (2 screws) (see CJ_ X230_003). Water Collecting Cover CJ_X230_003 5) Remove the screws of the front panel and then remove the front panel (7 screws(onoff models) or 9 screws(inverter models) (see CJ_ X230_004).
  • Page 98 Procedure Illustration 6) Remove the screws of the right panel and then remove the right panel (5 screws) (see CJ_X230_005). Right Panel CJ_X230_005 Note: This section is for reference only. Actual unit appearance may vary. Outdoor Unit Disassembly 41...
  • Page 99 8. X430 Procedure Illustration 1) Turn off the air conditioner and the power breaker. 2) Remove the screw of the big handle and then remove the big handle (1 screw) (see CJ_X430_001). Big Handle CJ_X430_001 Top Cover 3) Remove the screws of the top cover and then remove the top cover (3 screws).
  • Page 100 Procedure Illustration 4) Remove the screws of water collecting cover and then remove the water collecting cover (2 screws) (see CJ_ X430_003). Water Collecting Cover CJ_X430_003 5) Remove the screws of the front panel and then remove the front panel (7 screws(onoff models) or 9 screws(inverter models) (see CJ_ X430_004).
  • Page 101 Procedure Illustration 6) Remove the screws of the right panel and then remove the right panel (6 screws) (see CJ_X430_005). Right Panel CJ_X430_005 Note: This section is for reference only. Actual unit appearance may vary. Outdoor Unit Disassembly 44...

  • Page 102: Electrical Parts

    Electrical parts Antistatic gloves must be worn when you disassemble the electronic box. WARNING: Note: Remove the air outlet grille(refer to 3.1 Panel Plate) before disassembling electrical parts. PCB for ON-OFF Models 1. PCB board 1 Procedure Illustration 1) Remove the two screws fixed the electronic control board (see CJ_ ODU_PCB_001).
  • Page 103 Procedure Illustration 8) For models with subzero refrigeration control board, remove 3 screws of it showed in the figure. CJ_ODU_PCB_001-03 9) The subzero refrigeration control board is in the back of the medal sheet. CJ_ODU_PCB_001-04 Note: This section is for reference only. Actual unit appearance may vary. Outdoor Unit Disassembly 46...
  • Page 104 2. PCB board 2 Procedure Illustration Fan Motor 1) Disconnect the wires connected to the compressor. (Red wire connects 4-Way Valve Compressor with PCB board, others connects with terminals) (see CJ_ODU_PCB_002-1) 2) Disconnect the connectors for fan motor. (Blue wire, red wire, brown wire and black wire.
  • Page 105 3. PCB board 3 Procedure Illustration Earth wire 1) Disconnect the connectors for fan Fan motor motor (see CJ_ODU_PCB_003). 2) Disconnect the wires connected to the compressor (see CJ_ODU_ PCB_003). 3) Disconnect the wires connected to Pipe temperature sensor (see CJ_ ODU_PCB_003).
  • Page 106 PCB for Inverter Models 4. PCB board 4 Procedure Illustration 1) Remove the screws of the top cover. CJ_ODU_PCB_004- (2 screws) (see 1 ). CJ_ODU_PCB_004-1 2) Unfix the hooks and then open the electronic control box cover (4 hooks) CJ_ODU_PCB_004-2 ). (see 3) Disconnect the connector for fan motor from the electronic control...
  • Page 107 5. PCB board 5 Procedure Illustration 1) Unfix the hooks and then open the electronic control box cover (4 hooks) CJ_ODU_PCB_005-1 ). (see 4-Way Valve 2) Disconnect the connector for fan CJ_ODU_PCB_005-1 motor from the electronic control CJ_ODU_PCB_005-2 ). board (see 3) Remove the connector for the Reactor CJ_ODU_PCB_005-...
  • Page 108 5. PCB board 6 Procedure Illustration 1) Remove the screws and unfix the hooks, then open the electronic control box cover (5 screws and 2 CJ_ODU_PCB_006-1 ). hooks )(see CJ_ODU_PCB_006-1 2) Disconnect the connector for fan motor from the electronic control CJ_ODU_PCB_006-2 ).
  • Page 109 6. PCB board 7 Procedure Illustration 1) Remove the screws of the top cover. (1 screws) (see CJ_ODU_PCB_007- 1 ). CJ_ODU_PCB_007-1 2) Unfix the hooks and then open the electronic control box cover (5 hooks) CJ_ODU_PCB_007-2 ). (see CJ_ODU_PCB_007-2 3) Disconnect the connector for fan motor from the IPM board (see ODU_PCB_007-3 ).
  • Page 110 Procedure Illustration 5) Pull out the wire connected with the CJ_ODU_PCB_007-4 ). terminal. (see T3/T4 6) Pull out connectors of the condenser coil temp. sensor(T3),outdoor ambient temp. sensor(T4) and discharge temp. CJ_ODU_PCB_007-4 ). sensor(TP) (see 7) Disconnect the electronic expansion CJ_ODU_PCB_007- valve wire (see Fig 4 ).
  • Page 111 7. PCB board 8 Procedure Illustration 1) Unfix the hooks and then open the electronic control box cover (4 hooks) CJ_ODU_PCB_008-1 ). (see 2) Disconnect the connector for outdoor DC fan from the electronic CJ_ODU_ control board (see PCB_008-2 ). 3) Remove the connector for the CJ_ODU_PCB_008- compressor (see...
  • Page 112 9. PCB board 9 Procedure Illustration 1) Disconnect the connector for compressor and release the ground CJ_ODU_ wire(1 screw). (see PCB_009-1 ). 2) Pull out the wires from electrical supporting plate and turn over the CJ_ODU_PCB_009-1 electronic control assembly. (see CJ_ODU_PCB_009-2 ).
  • Page 113 Procedure Illustration 4) Remove the fixing board (2 hooks ) CJ_ODU_PCB_009-4 ). (see CJ_ODU_PCB_009-4 5) Disconnect the connectors from the electronic control board (see CJ_ODU_PCB_009-5 ). CJ_ODU_PCB_009-5 6) Then remove the electronic control board (4 hooks).(see CJ_ODU_ PCB_009-6 ). CJ_ODU_PCB_009-6 Note: This section is for reference only.
  • Page 114 10. PCB board 10 Procedure Illustration 1) Unfix the hooks and then open the electronic control box cover (4 hooks) CJ_ODU_PCB_010-1 ). (see CJ_ODU_PCB_010-1 2) Remove 4 screws on the electronic control board and then turn over the electronic control board (see CJ_ODU_PCB_010-2 ).
  • Page 115 Procedure Illustration 3) Pull out the connectors (see ODU_PCB_010-3 ). 4) Remove the 9 screws and unfix the 3 hooks and then remove the electronic control board(see ODU_PCB_010-3 ). CJ_ODU_PCB_010-3 5) Remove two screws and then remove the electronic control box subassembly on partition board assembly.
  • Page 116 Procedure Illustration 6) Remove two screws and two connectors and then remove the CJ_ODU_ inverter control board (see PCB_010-5 ). CJ_ODU_PCB_010-5 Note: This section is for reference only. Actual unit appearance may vary. Outdoor Unit Disassembly 59...
  • Page 117 11. PCB board 11 Procedure Illustration 1) Disconnect the connector for compressor and release the ground CJ_ODU_ wire(1 screw). (see PCB_0011-1 ). 2) Pull out the wires from electrical supporting plate and turn over the CJ_ODU_PCB_011-1 electronic control assembly. (see CJ_ODU_PCB_011-2 ).
  • Page 118 Procedure Illustration 4) Remove the fixing board (2 hooks ) CJ_ODU_PCB_011-4 ). (see CJ_ODU_PCB_011-4 5) Disconnect the connectors from the electronic control board (see CJ_ODU_PCB_011-5 ). CJ_ODU_PCB_011-5 6) Then remove the electronic control board (4 hooks).(see CJ_ODU_ PCB_011-6 ). CJ_ODU_PCB_011-6 Note: This section is for reference only.

  • Page 119: Fan Assembly

    Fan Assembly Note: Remove the panel plate (refer to 3.1 Panel Plate) before disassembling fan. Procedure Illustration 1) Remove the nut securing the fan with a spanner (see CJ_ODU_ FAN_001). 2) Remove the fan. D-cut CJ_ODU_FAN_001 Note: This section is for reference only. Actual unit appearance may vary. Outdoor Unit Disassembly 62...

  • Page 120: Fan Motor

    Fan Motor Note: Remove the panel plate and the connection of fan motor on PCB (refer to 3.1 Panel Plate and 3.2 Electrical parts) before disassembling fan motor. Procedure Illustration 3) Remove the fixing screws of the fan motor (4 screws) (see CJ_ODU_MOTOR_001). 4) Remove the fan motor.

  • Page 121: Sound Blanket

    Sound blanket Note: Remove the panel plate (refer to 3.1 Panel plate) before disassembling sound blanket. Procedure Illustration 1) Remove the sound blanket (side and top) (see CJ_ODU_BLANKET_001). Sound Blanket(top) Sound Blanket(side) CJ_ODU_BLANKET_001 Note: This section is for reference only. Actual unit appearance may vary. Outdoor Unit Disassembly 64...

  • Page 122: Four-Way Valve

    Four-way valve (for heat pump models) WARNING: Evacuate the system and confirm that there is no refrigerant left in the system before removing the four-way valve and the compressor. (For R32 & R290, you should evacuate the system with the vacuum pump; flush the system with nitrogen;...

  • Page 123: Compressor

    Compressor WARNING: Evacuate the system and confirm that there is no refrigerant left in the system before removing the four-way valve and the compressor. (For R32 & R290, you should evacuate the system with the vacuum pump; flush the system with nitrogen; then repeat the two steps before heating up the brazed parts. The operations above should be implemented by professionals.) Note: Remove the panel plate, connection of compressor on PCB (refer to 3.1 Panel plate and 3.2 Electrical parts) before disassembling sound blanket.
  • Page 124 Procedure Illustration 3) Remove the hex nuts and washers securing the compressor, located on the bottom plate (see CJ_ODU_COMP_003). CJ_ODU_COMP_003 Suction Pipe 4) Heat up the brazed parts and then remove the the discharge pipe and the suction pipe (see CJ_ODU_COMP_004). Discharge Pipe 5) Lift the compressor from the base pan assembly with pliers.
  • Page 125 Troubleshooting Contents Safety Caution .......................3 General Troubleshooting ..................4 Complain Record Form ..................6 Information Inquiry ....................8 Error Diagnosis and Troubleshooting Without Error Code ....... 1 1 Remote maintenance ...................11 Field maintenance ..................12 Quick Maintenance by Error Code ..............1 7 Troubleshooting by Error Code ................1 7 TS01 EEPROM Parameter Error Diagnosis and Solution TS02 Indoor and Outdoor Unit Communication Error Diagnosis and Solution TS03 Zero-crossing Signal Detection Error Diagnosis and Solution...
  • Page 126 Contents TS09 IPM Malfunction or IGBT Over-strong Current Protection Diagnosis and Solution TS10 Over Voltage or Too Low Voltage Protection Diagnosis and Solution TS11 Top temperature Protection of Compressor or High Temperature Protection of IPM Module or High Pressure Protection Diagnosis and Solution TS12 Inverter Compressor Drive Error Diagnosis and Solution TS13 Low Pressure Protection Diagnosis and Solution TS14 Indoor units mode conflic Diagnosis and Solution...

  • Page 127: Safety Caution

    1. Safety Caution WARNING Be sure to turn off all power supplies or disconnect all wires to avoid electric shock. While checking indoor/outdoor PCB, please equip oneself with antistatic gloves or wrist strap to avoid damage to the board. WARNING Electricity remains in capacitors even when the power supply is off.
  • Page 128 When the indoor unit encounters a recognized error on different models , 1. the running LED with flash in a corresponding series, the timer LED may turn on or begin flashing; 2. an error code will be displayed; 3. both 1 and 2. These error codes are described in the following tables: Running Timer...
  • Page 129 Indoor room temperature sensor T1 is in open circuit or has short 6 times TS05-IDU EH 60 circuited Evaporator coil middle temperature sensor T2 is in open circuit or 6 times TS05-IDU EH 61 has short circuited 12 times The outdoor fan speed is operating outside of the normal range TS04-ODU EC 07 9 times...

  • Page 130: Complain Record Form

    3. Complain Record Form Complain Record Form Request No.: Date: Installation Date: Service Date: Customer Information Name Telephone No. Home Address Email Product Information Indoor Unit Model Outdoor Unit Model Serial No. of indoor unit Serial No. of outdoor unit Working Mode □Cooling □Heating...
  • Page 131 Indoor coil temperature Outdoor coil temperature Ambient temperature Outlet temperature of indoor coil Discharge temperature Sunction temperature Targeted Frequency Actual Frequency Indoor fan speed Outdoor fan speed EXV opening steps Compressor continuous running time Causes of compressor stop. A0, A1, b0, b1, b2, b3, b4, b5, b6, dL, Ac, Uo, Td, dA, Reserved dS, dT...

  • Page 132: Information Inquiry

    4. Information Inquiry • To enter information inquiry status, complete the following procedure within ten seconds: • Press LED(or DO NOT DISTURB) 3 times. • Press SWING(or AIR DIRECTION) 3 times. • Finish 1 and 2 within 10 seconds, you will hear beeps for two seconds, which means the unit goes into parameter checking mode.
  • Page 133 Displayed Displayed code Explanation Meaning Additional Notes value Room temperature 1. All displayed temperatures use actual values. Indoor coil temperature 2. All temperatures are -1F,-1E,-1d,-1c,- -25,-24,-23,-22, displayed in °C regardless Outdoor coil 1b,-1A -21,-20 of remote used. temperature -19—99 -19—99 3.
  • Page 134 Displayed Displayed code Explanation Meaning Additional Notes value 0-FF 2-28 Reserved 5-20 5-25 Troubleshooting 10...

  • Page 135: Error Diagnosis And Troubleshooting Without Error Code

    5. Error Diagnosis and Troubleshooting Without Error Code WARNING Be sure to turn off unit before any maintenance to prevent damage or injury. Remote maintenance SUGGESTION: When troubles occur, please check the following points with customers before field maintenance. Problem Solution Unit will not start 13-14...

  • Page 136: Field Maintenance

    Field maintenance Problem Solution Unit will not start 15-16 Compressor will not start but fans run 15-16 Compressor and condenser (outdoor) fan will not start 15-16 Evaporator (indoor) fan will not start 15-16 Condenser (Outdoor) fan will not start 15-16 Unit runs, but shortly stops 15-16 Compressor short-cycles due to overload...
  • Page 137 1.Remote Maintenance Electrical Circuit Refrigerant Circuit Possible causes of trouble Unit will not start The power switch is on but fans will not start The temperature on the display board cannot be set Unit is on but the wind is not cold(hot) Unit runs, but shortly stops The unit starts up and stops frequently Unit runs continuously but insufficient cooling(heating)
  • Page 138 1.Remote Maintenance Others Possible causes of trouble Unit will not start The power switch is on but fans will not start The temperature on the display board cannot be set Unit is on but the wind is not cold(hot) Unit runs, but shortly stops The unit starts up and stops frequently Unit runs continuously but insufficient cooling(heating) Cool can not change to heat...
  • Page 139 2.Field Maintenance Refrigerant Circuit Others Possible causes of trouble Unit will not start Compressor will not start but fans run Compressor and condenser (outdoor) fan will not start Evaporator (indoor) fan will not start Condenser (Outdoor) fan will not start Unit runs, but shortly stops Compressor short-cycles due to overload High discharge pressure...
  • Page 140 2.Field Maintenance Electrical Circuit Possible causes of trouble Unit will not start Compressor will not start but fans run Compressor and condenser (outdoor) fan will not start Evaporator (indoor) fan will not start Condenser (Outdoor) fan will not start Unit runs, but shortly stops Compressor short-cycles due to overload High discharge pressure Low discharge pressure...

  • Page 141: Quick Maintenance By Error Code

    6. Quick Maintenance by Error Code If you do not have the time to test which specific parts are faulty, you can directly change the required parts according the error code. You can find the parts to replace by error code in the following table. Error Code Part requiring EH 00/...

  • Page 142: Ts01 Eeprom Parameter Error Diagnosis And Solution

    TS01-IDU: Indoor EEPROM parameter error diagnosis and solution Description: Indoor PCB main chip does not receive feedback from EEPROM chip. Recommended parts to prepare: • Indoor PCB Troubleshooting and repair: Shut off the power supply and turn it on 2 minutes later. Is it still displaying The unit is operating normally.
  • Page 143 TS01-ODU: Outdoor EEPROM parameter error or Compressor driven chip EEPROM parameter error diagnosis and solution Description: Outdoor PCB main chip does not receive feedback from EEPROM chip or compressor driven chip. Recommended parts to prepare: • Outdoor PCB Troubleshooting and repair: Shut off the power supply and turn it on 2 minutes later.
  • Page 144 TS02-S-INV: Indoor and outdoor unit communication error diagnosis and solution Description: Indoor unit can not communicate with outdoor unit Recommended parts to prepare: • Indoor PCB • Outdoor PCB • Short-circuited component Troubleshooting and repair: Power off, then restart the unit after 2 minutes.
  • Page 145 Remarks: • Use a multimeter to test the DC voltage between 2 port(or S or L2 port) and 3 port(or N or S port) of outdoor unit. The red pin of multimeter connects with 2 port(or S or L2 port) while the black pin is for 3 port(or N or S port) . •...
  • Page 146 TS03: Zero crossing detection error diagnosis and solution Description: When PCB does not receive zero crossing signal feedback for 4 minutes or the zero crossing signal time interval is abnormal. Recommended parts to prepare: • Connection wires • Indoor main PCB Troubleshooting and repair: Check the connections and power supply.
  • Page 147 TS04-S-IDU: The Indoor fan speed is operating outside of normal range diagnosis and solution) Description: When indoor fan speed keeps too low or too high for a certain time, the LED displays the failure code and the AC turns off. Recommended parts to prepare: •...
  • Page 148 Index: 1. DC Fan Motor(control chip is in fan motor) Power on and when the unit is in standby, measure the voltage of pin1-pin3, pin4-pin3 in fan motor connector. If the value of the voltage is not in the range showing in below table, the PCB must has problems and need to be replaced. •...
  • Page 149 3PAMSH09A-SZW 3PAMSH12A-SZW 3PAMSH18B-SZW 3PAMSH24B-SZW 3PAMSH09A-SZW 3PAMSH12A-SZW 3PAMSH18B-SZW 3PAMSH24B-SZW 3PAMSH09A-SZW 3PAMSH12A-SZW 3PAMSH18B-SZW 3PAMSH24B-SZW 3PAMSH09A-SZW Troubleshooting...
  • Page 150 TS04-ODU: The outdoor fan speed is operating outside of normal range diagnosis and solution) Description: When outdoor fan speed keeps too low or too high for a certain time, the LED displays the failure code and the AC turns off. Recommended parts to prepare: •...
  • Page 151 Index: 1. Outdoor DC Fan Motor (control chip is in outdoor PCB) Release the UVW connector. Measure the resistance of U-V, U-W, V-W. If the resistance is not equal to each other, the fan motor must has problems and need to be replaced. otherwise the PCB must has problems and need to be replaced. 2.
  • Page 152 TS05-IDU: Open circuit or short circuit of indoor temperature sensor (T1, T2) diagnosis and solution Description: If the sampling voltage is lower than 0.06V or higher than 4.94V, the LED displays the failure code. Recommended parts to prepare: • Connection wires •...
  • Page 153 TS05-ODU: Open circuit or short circuit of outdoor temperature sensor (T3, T4, TP, T2B,TH) diagnosis and solution Description: If the sampling voltage is lower than 0.06V or higher than 4.94V, the LED displays the failure code. Recommended parts to prepare: •...
  • Page 154 TS06-INV: Refrigerant Leakage Detection diagnosis and solution Description: Define the evaporator coil temperature T2 of the compressor just starts running as Tcool. In the beginning 5 minutes after the compressor starts up, if T2 < Tcool-1°C(1.8°F) does not keep continuous 4 seconds and compressor running frequency higher than 50Hz does not keep for 3 minutes, and this situation happens 3 times, the LED displays the failure code and the AC turns off.
  • Page 155 TS07: Indoor PCB / Display board communication error diagnosis and solution Description: Indoor PCB does not receive feedback from the display board. Recommended parts to prepare: • Communication wire • Indoor PCB • Display board Troubleshooting and repair: Power off, then restart the unit 2 minutes later Is it still displaying the error code? The unit functions normally...
  • Page 156 TS08-S: Current overload protection diagnosis and solution Description: An abnormal current rise is detected by checking the specified current detection circuit. Recommended parts to prepare: • Connection wires • Reactor • Outdoor fan • Outdoor PCB Troubleshooting and repair: Was the protection activated Was the protection activated in standby? in standby?
  • Page 157 TS09-S: IPM malfunction or IGBT over-strong current protection diagnosis and solution Description: When the voltage signal the IPM sends to the compressor drive chip is abnormal, the LED displays the failure code and the AC turns off. Recommended parts to prepare: •...
  • Page 158 Index: 1. IPM Continuity Check WARNING Electricity remains in capacitors even when the power supply is off. Ensure the capacitors are fully discharged before troubleshooting. 1. Turn off outdoor unit and disconnect power supply. 2. Discharge electrolytic capacitors and ensure all energy-storage unit has been discharged. 3.
  • Page 159 4. Compressor check Disconnect the compressor and check the resistance between U-V, V-W and U-W, and all 3 values should be equal. If not, the compressor is faulty and should be replaced. Note: The picture and the value are only for reference, actual condition and specific value may vary. Troubleshooting...
  • Page 160 TS10-S: Over voltage or too low voltage protection diagnosis and solution Description: Abnormal increases or decreases in voltage are detected by checking the specified voltage detection circuit. Recommended parts to prepare: • Power supply wires • IPM module board • PCB •...
  • Page 161 TS11-S-INV: Top temperature protection of compressor or High temperature protection of IPM module or High pressure protection diagnosis and solution Description: For some models with overload protection, If the sampling voltage is not 5V, the LED will display the failure. If the temperature of IPM module is higher than a certain value, the LED displays the failure code.
  • Page 162 Check the fastening screws on the PCB and IPM radiator. Are they Replace the outdoor fixed tightly? control PCB. Tighten the screws and apply silicon grease. Note: For certain models, outdoor PCB could not be removed separately. In this case, the outdoor electric control box should be replaced as a whole.
  • Page 163 High pressure protection High pressure protection Are the high pressure switch Are the high pressure switch Connect high pressure switch and Connect high pressure switch and and main control boar wired and main control boar wired mian control board mian control board correctly? correctly? Is the high pressure...
  • Page 164 TS12-S: Inverter compressor drive error diagnosis and solution Description: An abnormal inverter compressor drive is detected by a special detection circuit, including communication signal detection, voltage detection, compressor rotation speed signal detection and so on. Recommended parts to prepare: • Connection wires •...
  • Page 165 TS13-INV: Low pressure protection diagnosis and solution Description: Outdoor pressure switch cut off the system because low pressure is lower than 0.13 MPa, the LED displays the failure code. Recommended parts to prepare: • Connection wires • Outdoor PCB • Low pressure protector •...
  • Page 166 Low pressure protection Low pressure protection Are the low pressure protector Are the low pressure protector and main control board wired and main control board wired Reconnect the low pressure protector and main Reconnect the low pressure protector and main properly? properly? control board...
  • Page 167 TS14: Indoor units mode conflict (match with multi outdoor unit) Description: The indoor units cannot work cooling mode and heating at same time. Heating mode has a priority. • Suppose Indoor unit A working in cooling mode or fan mode, and indoor unit B is set to heating mode, then A will change to off and B will work in heating mode.
  • Page 168 TS33: Communication error between outdoor main chip and compressor driven chip diagnosis and solution Description: The main chip cannot detect the compressor driven chip Recommended parts to prepare: • Outdoor main PCB • Electric control box Troubleshooting and repair: Shut off the power supply and Shut off the power supply and turn it on 2 minutes later.
  • Page 169 8. Check Procedures 8.1 Temperature Senosr Check WARNING Be sure to turn off all power supplies or disconnect all wires to avoid electric shock. Operate after compressor and coil have returned to normal temperature in case of injury. 1. Disconnect the temperature sensor from PCB (Refer to Chapter 5&6. Indoor&Outdoor Unit Disassembly). 2.
  • Page 170 Resistance Value ASM135D23UFZ ATQ420D1UMU ASN98D22UFZ ATF235D22UMT ATQ360D1UMU Blue-Red Blue-Black 1.75 0.37 0.75 0.37 1.57 Red-Black Resistance Value ATM115D43UFZ2 ATF250D22UMT ATF310D43UMT KSK103D33UEZ3(YJ) ASM98D32UFZ Blue-Red Blue-Black 1.87 0.75 0.65 2.13 Red-Black Resistance Value KSK103D33UEZ3 ASN140D21UFZ ASK89D29UEZD KSN140D21UFZ KTM240D57UMT Blue-Red Blue-Black 1.28 1.99 1.28 0.62 2.02...
  • Page 171 Note: The picture and the value are only for reference, actual condition and specific value may vary. 8.3 IPM Continuity Check WARNING Electricity remains in capacitors even when the power supply is off. Ensure the capacitors are fully discharged before troubleshooting. 1.
  • Page 172 Note: The picture and the value are only for reference, actual condition and specific value may vary. Troubleshooting...
  • Page 173 Appendix Contents Temperature Sensor Resistance Value Table for T1, T2, T3, and T4 (°C – K) ..2 Temperature Sensor Resistance Value Table for TP (for some units)(°C --K) ..3 iii) Pressure On Service Port ..................4...
  • Page 174 i) Temperature Sensor Resistance Value Table for T1,T2,T3 and T4 (°C – K) °C °F K Ohm °C °F K Ohm °C °F K Ohm °C °F K Ohm 115.266 12.6431 2.35774 0.62973 108.146 12.0561 2.27249 0.61148 101.517 11.5 2.19073 0.59386 96.3423 10.9731...
  • Page 175 ii) Temperature Sensor Resistance Value Table for TP(for some units) (°C --K) °C °F K Ohm °C °F K Ohm °C °F K Ohm °C °F K Ohm °C °F K Ohm °C °F K Ohm °C °F K Ohm °C °F K Ohm...
  • Page 176 iii) Pressure On Service Port Cooling chart(R410A): ODU(DB) °F(°C) 0(-17) 5(-15) 95 (35) (-9.44) (7.22) (23.89) (29.44) (40.56) (46.11) (48.89) IDU(DB/WB) 70/59 (21.11/15) 10.1 10.6 75/63 (23.89/17.22) 10.7 11.2 80/67 (26.67/19.44) 11.2 11.9 90/73 (32.22/22.78) 10.5 10.3 10.0 10.6 12.4 13.0 70/59 (21.11/15) 75/63 (23.89/17.22)
  • Page 177 Heating chart(R410A): ODU(DB/WB) 57/53 47/43 37/33 27/23 17/13 (-8.33/- 0/-2 -17/-18 °F(°C) (13.89/11.67) (8.33/6.11) (2.78/0.56) (-2.78/-5) 10.56) (-17/-19) (-27/-28) IDU(DB) 55(12.78) 30.3 28.5 25.3 22.8 20.8 18.5 16.5 65(18.33) 32.5 30.0 26.6 25.4 23.3 20.5 19.0 75(23.89) 33.8 31.5 27.8 26.3 24.9 21.5...
  • Page 178 Cooling chart(R22): ODU(DB) °F(°C) 0(-17) 5(-15) 95 (35) (-9.44) (7.22) (23.89) (29.44) (40.56) (46.11) (48.89) IDU(DB/WB) 70/59 (21.11/15) 75/63 (23.89/17.22) 80/67 (26.67/19.44) 90/73 (32.22/22.78) 70/59 (21.11/15) 75/63 (23.89/17.22) 80/67 (26.67/19.44) 90/73 (32.22/22.78) 70/59 (21.11/15) 0.40 0.41 0.46 0.50 0.51 0.49 0.51 0.54 0.63...
  • Page 179 Heating chart(R22): ODU(DB/WB) 57/53 47/43 37/33 27/23 17/13 (-8.33/- 0/-2 -17/-18 °F(°C) (13.89/11.67) (8.33/6.11) (2.78/0.56) (-2.78/-5) 10.56) (-17/-19) (-27/-28) IDU(DB) 55(12.78) 18.9 17.8 15.8 14.3 13.0 11.6 10.3 65(18.33) 20.3 18.8 16.6 15.9 14.6 12.8 11.9 75(23.89) 21.1 19.7 17.3 16.4 15.6 13.4...
  • Page 180 Cooling chart(R32): ODU(DB) °F(°C) 0(-17) 5(-15) 95 (35) (-9.44) (7.22) (23.89) (29.44) (40.56) (46.11) (48.89) IDU(DB/WB) 70/59 (21.11/15) 10.3 10.8 75/63 (23.89/17.22) 10.9 11.4 80/67 (26.67/19.44) 11.4 12.1 90/73 (32.22/22.78) 10.7 10.5 10.2 10.8 12.6 13.3 70/59 (21.11/15) 75/63 (23.89/17.22) 80/67 (26.67/19.44) 90/73 (32.22/22.78) 70/59 (21.11/15)
  • Page 181 Heating chart(R32): ODU(DB/WB) 57/53 47/43 37/33 27/23 17/13 (-8.33/- 0/-2 -17/-18 °F(°C) (13.89/11.67) (8.33/6.11) (2.78/0.56) (-2.78/-5) 10.56) (-17/-19) (-27/-28) IDU(DB) 55(12.78) 30.9 29.1 25.8 23.3 21.2 18.9 16.8 65(18.33) 33.2 30.6 27.1 25.9 23.8 20.9 19.4 75(23.89) 34.5 32.1 28.4 26.8 25.4 21.9...
  • Page 182 System Pressure Table-R22 Pressure Temperature Pressure Temperature °C °F °C °F 14.5 -41.091 -41.964 1600 41.748 107.146 21.75 -32.077 -25.739 1650 16.5 239.25 43.029 109.452 -25.177 -13.319 1700 246.5 44.281 111.706 36.25 -19.508 -3.114 1750 17.5 253.75 45.506 113.911 43.5 -14.654 5.623 1800...
  • Page 183 System Pressure Table-R410A Pressure Temperature Pressure Temperature °C °F °C °F 14.5 -51.623 -60.921 2350 23.5 340.75 38.817 101.871 21.75 -43.327 -45.989 2400 39.68 103.424 -36.992 -34.586 2450 24.5 355.25 40.531 104.956 36.25 -31.795 -25.231 2500 362.5 41.368 106.462 43.5 -27.351 -17.232 2550...
  • Page 184 System Pressure Table-R32 Pressure Temperature Pressure Temperature °C °F °C °F 14.5 -51.909 -61.436 1850 18.5 268.25 28.425 83.165 21.75 -43.635 -46.543 1900 275.5 29.447 85.005 -37.323 -35.181 1950 19.5 282.75 30.448 86.806 36.25 -32.15 -25.87 2000 31.431 88.576 43.5 -27.731 -17.916 2050...
  • Page 185 Distributed by : Perfect Aire, LLC 5401 Dansher Rd. Countryside, IL 60525 844-4PA-AIRE | 844-472-2473 www.perfectaire.us PA/User_20_M452_3PAMSH09A-SZW_3PAMSH09A-SZO_3PAMSH12A-SZW_3PAMSH12A-SZO 3PA3PAMSH12B-SZW_3PAMSH12B-SZO_3PAMSH18B-SZW_3PAMSH24B-SZW_3PAMSH24B-SZO_09292420 Specification and performance data is subject to change without notice. Printed in China...

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