Kaisai ICE Series Service Manual
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Kaisai ICE Series Service Manual

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SPLIT TYPE AIR-CONDITIONER
Service Manual
ICE series

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Summary of Contents for Kaisai ICE Series

  • Page 1 SPLIT TYPE AIR-CONDITIONER Service Manual ICE series...

  • 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 Features §. Maintenance First Time Installation Check Refrigerant Recharge Re-Installation §.
  • Page 4 Table of Contents §. Troubleshooting Safety Caution General Troubleshooting Complain Record Form Information Inquiry Error Diagnosis and Troubleshooting Without Error Code Quick Maintenance by Error Code Troubleshooting by Error Code Check Procedures 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 –...
  • Page 5 Safety Precautions Contents Precautions ......................2 Information servicing(For flammable materials) ..........3...

  • Page 6: 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 7: 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 8 • 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 9 • 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 10 • 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 11: Specifications

    Specifications Contents Model Reference ....................2 Pipe Length and Drop Height ................3 Electrical Wiring Diagrams ..................4...

  • Page 12: Model Reference

    1. Model Reference Refer to the following table to determine the specific indoor and outdoor unit model. Indoor Unit Model Outdoor Unit Model Capacity (Btu/h) Power Supply KLW-09HRHI KLWB-09HRHO KLW-12HRHI KLWB-12HRHO 220-240V~, 50Hz, 1 Phase KLW-18HRHI KLWB-18HRHO KLW-24HRHI KLWB-24HRHO  Specifications 2 ...

  • Page 13: Pipe Length And The Drop Height

    2. Pipe Length and Drop Height The length and elevation of connection pipe are shown in the table below. if the pipe length exceeds max pipe length, additional refrigerant should be charged to ensure nominal cooling/heating capacity. Capacity(Btu/h) Standard Length Max Pipe Length Max Elevation Additional Refrigerant...

  • Page 14: Electrical Wiring Diagrams

    3. Electrical Wiring Diagrams Indoor and outdoor unit wiring diagram Indoor Unit Outdoor Unit IDU Model IDU Wiring Diagram ODU Model ODU Wiring Diagram KLW-09HRHI 16022000034459 KLWB-09HRHO 16022000019533 KLW-12HRHI 16022000034459 KLWB-12HRHO KLW-18HRHI 16022000020169 KLWB-18HRHO KLW-24HRHI 16022000003662 KLWB-24HRHO 16022000B13817 Outdoor unit printed circuit board diagram Outdoor Unit ODU Model ODU Printed Circuit Board...
  • Page 15 Indoor unit abbreviations Abbreviation Paraphrase Yellow-Green Conductor Positive and Negative Ion Generator Capacitor PLASMA Electronic Dust Collector LIVE NEUTRAL Outdoor unit abbreviations Abbreviation Paraphrase 4-WAY Gas Valve Assembly/4-WAY VALVE AC-FAN Alternating Current FAN DC-FAN Direct Current FAN COMP Compressor L-PRO Low Pressure Switch H-PRO High Pressure Switch...
  • Page 16 SWING OPTIONAL INDOOR FAN OPTIONAL OPTIONAL MOTOR2 Applicable to INDOOR WIRING DIAGRAM AC motor only TRANSFORMER 16022000020169 MAGNET RING 2(4) 5(3or2) CN10 CN27 CN11 CN13 CN12 CN19 CN22 PLASMA/UVC MAGNET RING CN26 WHITE L-OUT MAIN BOARD SWITCH BOARD CN29 L-IN CN701 BLUE(BLACK) YELLOW...
  • Page 19 Outdoor unit wiring diagram: 16022000019533...
  • Page 21 Outdoor unit printed circuit board diagram: 17122000048121, 17122000046453...
  • Page 22 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 23 Outdoor unit printed circuit board diagram: 17122000048064 RC 2 VU B...
  • Page 24 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 25 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) ..............6 Auto-mode ....................8 Drying Mode ....................8 Forced Operation Function ................8 Timer Function ....................8 3.10 Sleep Function ....................9 3.11 Auto-Restart Function ..................9 3.12 Active Clean function ..................9 3.13 Follow me(Optional) ..................9...

  • Page 26: Display Function

    1. Display Function Unit display functions fresh defrost run timer Display A Display B Display Function fresh Fresh(available on select units only) defrost Defrost When the unit is on timer When TIMER is on WiFi control (available on select units only) Temperature value Temperature Activation of Timer ON, Fresh, Swing, Turbo, or Silent...

  • Page 27: Safety Features

    2. Safety Features Compressor three-minute delay at restart Compressor functions are delayed for up to ten seconds upon the fi rst startup of the unit, and are delayed for up to three minutes upon subsequent unit restarts. Automatic shutoff based on discharge temperature If the compressor discharge temperature exceeds a certain level for a period of time, the compressor ceases operation.

  • Page 28: Basic Functions

    3. Basic Functions Table Heating Mode Functions Defrosting Mode Cases Case 1 Case 2 KLWB-09HRHO KLWB-12HRHO Models KLWB-18HRHO KLWB-24HRHO Note: The detailed description of case 1 or case 2 is shown in the following function section(3.5).  Product Features ...

  • Page 29: Abbreviation

    Abbreviation • Compressor runs at FminC more than 10 minutes • T1 is lower than or equal to (Tsc-CDIFTEMP- Unit element abbreviations 0.5°C(32.9°F)) Note: CDIFTEMP is EEPROM setting parameter. It is Abbreviation Element 2°C(35.6°F) usually. Indoor room temperature 2) When the compressor runs continuously for more than Coil temperature of evaporator 120 minutes.

  • Page 30: Heating Mode(Heat Pump Units)

    • When T1-Tsc is higher than 0.5°C(0.9°F), fan speed increases to 40%; • When T1-Tsc is higher than 1°C(1.8°F), fan speed increases to 60%; • When T1-Tsc is higher than 1.5°C(2.7°F), fan speed increases to 80%; • When T1-Tsc is higher than 4°C(7.2°F), fan speed increases to 100%.
  • Page 31 • For different outdoor units, the fan speeds are different. 3.5.4 Defrosting mode • The unit enters defrosting mode according to changes in the temperature value of T3, T4 as well as the compressor running time. • In defrosting mode, the compressor continues to run, the indoor and outdoor motor will cease operation, T1 ≥...

  • Page 32: Auto-Mode

    Drying mode • If any one of the following conditions is satisfied, defrosting ends and the machine switches to normal • In drying mode, AC operates the same as auto fan in heating mode: cooling mode. • T3 rises above TCDE1+4°C. •...

  • Page 33: Sleep Function

    when reaching the setting time. • The Active Clean Technology washes away dust, mold, and grease that may cause odors when it • Timer off. The machine will turn off automatically adheres to the heat exchanger by automatically when reaching the setting time. freezing and then rapidly thawing the frost.

  • Page 34: Electrical Energy Consumption Control Function(Optional)

    , Forced cooling operation, mode setting, Sleeping mode, or adjusting the set temperature to less than 24°C,it will quit the ECO operation. • Operation time in ECO mode is 8 hours. After 8 hours the AC quits this mode. • When there’s any one temperature sensor in malfunction, the AC will quit ECO mode .
  • Page 35 Maintenance Contents First Time Installation Check .................2 Refrigerant Recharge ....................4 Re-Installation .......................5 Indoor Unit ....................5 Outdoor Unit ....................7...

  • Page 36: First Time Installation Check

    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 37 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 38: Refrigerant Recharge

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

  • Page 39: 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 40 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 41: Outdoor Unit

    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 42 Refrigerant charging mA A 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 43 Indoor Unit Disassembly Contents Dimension ......................2 Indoor Unit Disassembly ..................Front Panel ....................Electrical parts ..................... Evaporator ....................Fan motor and fan ..................1 Step motor ....................1 Drain Hose ....................1...

  • Page 44: Dimension

    1. Dimension AG1: Capacity Body Code W(mm) D(mm) H(mm) 6K~11K 8K~14K 12K~21K 18K~28K 1083  Indoor Unit Disassembly 2 ...

  • Page 45: Indoor Unit Disassembly

    2. Indoor Unit Disassembly 2.1 Front Panel Procedure Illustration 1) Hold the front panel by the tabs on Front Panel the both sides and lift it (see CJ_ AG_001). CJ_AG_001 2) Push up the bottom of an air filter (step 1), and then pull it out downwards (step 2) (see CJ_AG_002).
  • Page 46 Procedure Illustration 3) Open the horizontal louver and push the hook towards left to open it (see CJ_AG_003). Horizontal Louver Hook CJ_AG_003 4) Bend the horizontal louver lightly by both hands to loosen the hooks, then remove the horizontal louver (see CJ_AG_003).
  • Page 47 Procedure Illustration 5) Pry the electrical cover by a screw driver, and rotate it towars left, then remove it. (see CJ_AG_005). CJ_AG_005 6) Disconnect the connector for display board. (see CJ_AG_006) . 7) Slid the front panel side to side to release each axis (see CJ_AG_006) CJ_AG_006 Note: This section is for reference only.
  • Page 48 Procedure Illustration 8) Open the screw cap and then remove the 3 screws (see CJ_AG_008). CJ_AG_007 9) Release the hooks with hands. (see CJ_AG_008) CJ_AG_008 Note: This section is for reference only. Actual unit appearance may vary.  Indoor Unit Disassembly ...
  • Page 49 Procedure Illustration 10) Release the 5 hooks in the back (see CJ_AG_009). CJ_AG_009 11) Pull out the panel frame while pushing the hook through a clearance between the panel frame and the heat exchanger. (see CJ_AG_010) CJ_AG_010 Note: This section is for reference only. Actual unit appearance may vary. ...
  • Page 50 Procedure Illustration 12) Release the 5 hooks of the vertical blades, then pull the vertical blades rightward and remove it (see CJ_ AG_011). CJ_AG_011 13) Remove 1 screw of the display board. (see CJ_AG_012). 14) Rotate the display board in the direction shown in the right picture.

  • Page 51: Electrical Parts

    2.2 Electrical parts (Antistatic gloves must be worn.) Note: Remove the front panel (refer to 1. Front panel) before disassembling electrical parts. Procedure Illustration 1) Remove one fixing screw of electrical control box subassembly. (see CJ_ AG_013). (If you want to repair the electrical control box components, perform the first step;If you want to repair the main control board assembly, perform steps 2 to 5 below.)
  • Page 52 Procedure Illustration 4) Pull out the electrical main board along the direction indicated in right image. (see CJ_AG_015). CJ_AG_015 Fan motor swing motor ION(some models) 5) Disconnect the connectors and remove main control board. (see CJ_AG_016). CJ_AG_016 Note: This section is for reference only. Actual unit appearance may vary. ...

  • Page 53: Evaporator

    2.3 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_AG_017). CJ_AG_017 2) Remove the 1 screw on the evaporator located at the fixed plate (see CJ_AG_018).
  • Page 54 Procedure Illustration 3) Remove 1 screw and release the hook on the evaporator (see CJ_AG_019). CJ_AG_019 4) Remote the 2 screws on the evaporator located at the fixed plate (see CJ_AG_020). CJ_AG_020 5) Pull out the evaporator (see CJ_AG_021). CJ_AG_021 Note: This section is for reference only.

  • Page 55: Fan Motor And Fan

    2.4 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_ AG_022).
  • Page 56 Procedure Illustration 3) Remove the fixing screw (see CJ_AG_024). 4) Pull out the fan motor and fan assembly from the side. CJ_AG_024 Fixing Screw Note: This section is for reference only. Actual unit appearance may vary.  Indoor Unit Disassembly 1 ...

  • Page 57: Step Motor

    2.5 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 horizontal swing motor(see CJ_AG_025). Stepping Motor CJ_AG_025 2) Remove 1 screw, then remove the vertical swing motor (see CJ_AG_026).(for some units)

  • Page 58: Drain Hose

    2.6 Drain Hose Procedure Illustration 1) Rotate the fixed wire clockwise indicated in right image (see CJ_AG_027). CJ_AG_027 2) Pull up the drain hose to remove it (see CJ_AG_028). CJ_AG_028 Note: This section is for reference only. Actual unit appearance may vary. ...
  • Page 59 Outdoor Unit Disassembly Contents Outdoor Unit Table ....................2 Dimension ......................3 Outdoor Unit Disassembly ..................16 Panel Plate ....................16 Electrical Parts .....................29 Fan Assembly ....................44 Fan Motor ....................45 Sound blanket .....................46 Four-way valve .....................47 Compressor ....................48...

  • Page 60: Outdoor Unit Table

    1. Outdoor Unit Disassembly Outdoor Unit Table Outdoor Unit Model Panel Plate PCB Board KLWB-09HRHO X201 PCB Board 6 KLWB-12HRHO X201 PCB Board 6 KLWB-18HRHO X301 PCB Board 6 KLWB-24HRHO X401 PCB Board 3  Outdoor Unit Disassembly 2 ...

  • Page 61: Dimension

    2. Dimension 2.1. X130 Panel Plate  Outdoor Unit Disassembly 3 ...
  • Page 62 For US models(Rounded grille):  Outdoor Unit Disassembly 4 ...
  • Page 63 2.2. X230 Panel Plate  Outdoor Unit Disassembly 5 ...
  • Page 64 For US models(Rounded grille):  Outdoor Unit Disassembly 6 ...
  • Page 65 For US models(Square grille):  Outdoor Unit Disassembly 7 ...
  • Page 66 2.3. X330 Panel Plate  Outdoor Unit Disassembly 8 ...
  • Page 67 For US models(Rounded grille):  Outdoor Unit Disassembly 9 ...
  • Page 68 For US models(Square grille):  Outdoor Unit Disassembly 10 ...
  • Page 69 2.4. X430 Panel Plate  Outdoor Unit Disassembly 11 ...
  • Page 70 For US models(Rounded grille):  Outdoor Unit Disassembly 12 ...
  • Page 71 For US models(Square grille):  Outdoor Unit Disassembly 13 ...
  • Page 72 2.5. Panel Plate  Outdoor Unit Disassembly 14 ...
  • Page 73 For US models:  Outdoor Unit Disassembly 15 ...
  • Page 74 3. Outdoor Unit Disassembly Panel Plate 1. 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 Top Cover 3) Remove the screws of the top cover...
  • Page 75 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 76 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 77 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 19 ...
  • Page 78 2. 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 79 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 80 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 22 ...
  • Page 81 3. 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 82 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 83 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 25 ...
  • Page 84 4. 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 85 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 86 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 28 ...

  • Page 87: 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. 1. PCB board 1 Procedure Illustration 1) Remove the screws of the top cover. CJ_ODU_PCB_001- (2 screws) (see 1 ).
  • Page 88 2. PCB board 2 Procedure Illustration 1) Unfix the hooks and then open the electronic control box cover (4 hooks) CJ_ODU_PCB_002-1 ). (see 4-Way Valve 2) Disconnect the connector for fan CJ_ODU_PCB_002-1 motor from the electronic control CJ_ODU_PCB_002-2 ). board (see 3) Remove the connector for the Reactor CJ_ODU_PCB_002-...
  • Page 89 3. PCB board 3 Procedure Illustration 1) Remove the 5 screws and unfix two hooks, then remove the electronic control box subassembly.(see ODU_PCB_003-1 ). Note:Electric control box cover cannot be removed, so the voltage between P and N cannot be measured. CJ_ODU_PCB_003-1 Note: This section is for reference only.
  • Page 90 4. PCB board 4 Procedure Illustration 1) Remove the screws of the top cover. (1 screws) (see CJ_ODU_PCB_004- 1 ). CJ_ODU_PCB_004-1 2) Unfix the hooks and then open the electronic control box cover (5 hooks) CJ_ODU_PCB_004-2 ). (see CJ_ODU_PCB_004-2 3) Disconnect the connector for fan motor from the IPM board (see ODU_PCB_004-3 ).
  • Page 91 Procedure Illustration 5) Pull out the wire connected with the CJ_ODU_PCB_004-4 ). 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_004-4 ). sensor(TP) (see 7) Disconnect the electronic expansion CJ_ODU_PCB_004- valve wire (see Fig 4 ).
  • Page 92 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 2) Disconnect the connector for outdoor DC fan from the electronic CJ_ODU_ control board (see PCB_005-2 ). 3) Remove the connector for the CJ_ODU_PCB_005- compressor (see...
  • Page 93 6. PCB board 6 Procedure Illustration 1) Disconnect the connector for compressor and release the ground wire(1 screw,for some models ). (see CJ_ODU_PCB_006-1 ). CJ_ODU_PCB_006-1 2) Remove the electronic control CJ_ODU_ box subassembly. (see PCB_006-2 ). Note:Electric control box cover cannot be removed, so the voltage between P and N cannot be measured.
  • Page 94 7. PCB board 7 Procedure Illustration 1) Unfix the hooks and then open the cover (4 hooks)(see CJ_ODU_ PCB_007-1 ). CJ_ODU_PCB_007-1 2) Remove 4 screws on the electronic control board and then remove the electronic control box subassembly. CJ_ODU_PCB_007-2 ). (see Note:Electronic installing box cannot be opened, so the voltage between P and N...
  • Page 95 Procedure Illustration 3) Remove two screws and then remove the electronic control box subassembly on partition board CJ_ODU_PCB_007- assembly. (see 3 ). CJ_ODU_PCB_007-3 Note: This section is for reference only. Actual unit appearance may vary. Outdoor Unit Disassembly 37  ...
  • Page 96 Procedure Illustration 6) Remove two screws and two connectors and then remove the CJ_ODU_ inverter control board (see PCB_007-4 ). CJ_ODU_PCB_007-4 Note: This section is for reference only. Actual unit appearance may vary.  Outdoor Unit Disassembly 38 ...
  • Page 97 8. PCB board 8 Procedure Illustration 1) Disconnect the connector for compressor and release the ground CJ_ODU_ wire(1 screw). (see PCB_0011-1 ). 2) Remove the electronic control CJ_ODU_ box subassembly. (see CJ_ODU_PCB_008-1 PCB_008-2 ). Note:Electric control box cover cannot be removed, so the voltage between P and N cannot be measured.
  • Page 98 9. PCB board 9 Procedure Illustration 1) Unfix the hooks and then open the cover (4 hooks)(see CJ_ODU_ PCB_009-1 ). CJ_ODU_PCB_009-1 2) Remove 6 screws on the electronic control board and then remove the electronic control box subassembly. CJ_ODU_PCB_009-2 ). (see Note:Electronic installing box cannot be opened, so the voltage between P and N...
  • Page 99 Procedure Illustration 3) Pull out the connector, remove one screw and then remove the key board subassembly on terminal board. (see CJ_ODU_PCB_009-3 ) (for some models). CJ_ODU_PCB_009-3 Note: This section is for reference only. Actual unit appearance may vary. Outdoor Unit Disassembly 41 ...
  • Page 100 PCB board 10 Procedure Illustration 1) Disconnect the connector for CJ_ODU_PCB_010- compressor. (see 1 ). 2) Remove the screws of cover of electronic control box(5 screws). (see CJ_ODU_PCB_010-1 ). 3) Turn over the electronic control box subassembly CJ_ODU_PCB_010-1 4) Disconnect the connectors from the electronic control board (see CJ_ODU_PCB_010-2 ).
  • Page 101 11. PCB board 11 Procedure Illustration 1) Disconnect the connector for compressor and release the ground CJ_ODU_ wire(1 screw). (see PCB_011-1 ). CJ_ODU_PCB_011-1 2) Remove the electronic control box subassembly. (see CJ_ODU_ PCB_011-2 ). Note:Electric control box cover cannot be removed, so the voltage between P and N cannot be measured.

  • Page 102: 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. CJ_ODU_FAN_001 Note: This section is for reference only. Actual unit appearance may vary. ...

  • Page 103: 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 104: 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) (Applicable to models with blanket) Sound Blanket(side) (Applicable to models with blanket) CJ_ODU_BLANKET_001 Note: This section is for reference only.

  • Page 105: 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 106: 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 107 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 108 Troubleshooting Contents Safety Caution .......................3 General Troubleshooting ..................4 Complain Record Form ..................6 Information Inquiry ....................8 Error Diagnosis and Troubleshooting Without Error Code .......13 Remote maintenance ...................13 Field maintenance ..................14 Quick Maintenance by Error Code ..............19 Troubleshooting by Error Code ................19 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 109 Troubleshooting Contents 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 TS26 High pressure protection or Low pressure protection Diagnosis and Solution TS14 Indoor units mode conflic Diagnosis and Solution TS33 Communication error between outdoor main chip and compressor driven chip...

  • Page 110: 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 111: General Troubleshooting

    2. General Troubleshooting Error Display (Indoor Unit) 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.
  • Page 112 Top temperature protection of compressor or High temperature 3 times FLASH TS11-S-INV PC 02 protection of IPM module or High pressure protection 5 times FLASH PC 04 Inverter compressor drive error TS12-S 1 time FLASH Current overload protection TS08-S PC 08 Communication error between outdoor main chip and compressor 6 times FLASH...

  • Page 113: 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 114 Parameter Checking information by Remote controller Displaying code Displaying code meaning Display value Display value meaning Room temperature Indoor coil temperature Outdoor coil temperature Ambient temperature Discharge temperature Targeted Frequency Actual Frequency Compressor current Outdoor AC voltage Indoor capacity test Reserve Outdoor fan speed EXV opening steps...

  • Page 115: Information Inquiry

    4. Information Inquiry&Setting • To enter engineer mode, in power-on or standby mode, and in non-locked state, press the key combination “ON/OFF + Air Speed” for 7s: • After entering the engineer mode, the remote control will display icons of “Auto, Cool, Dry, Heat”, and the Battery icon;...
  • Page 116 press "On/Off" for 2s to enter the Max. Set Temperature Selector, press the Up/Down key to select "25°C~30°C", press "OK" to confirm, and the Max. Set Temperature can be memorized when the remote control is powered TP temperature on and power lost; and press "On/Off" for 2s to exit. When the remote control does not burn any parameters, the max.
  • Page 117 press "On/Off" for 2s to enter the Cooling Frequency Threshold Settings; press the Up/Down key to select the cooling frequency threshold, press "OK" to confirm; and press the "On/Off" for 2s to exit. (Range:40,41……83,84,--;”--” cancels the Settings)(Set within 1 minute after power on) press "ON/OFF"...
  • Page 118 Error code of engineer mode Display Error Information EH 00/EH 0A Indoor unit EEPROM parameter error Indoor / outdoor unit communication error EL 01 Communication error between indoor unit and indoor external fan module EH A EH 30 Parameters error of indoor external fan Phase failure of indoor external fan EH 35 Indoor external fan current sampling bias fault...
  • Page 119 Current Input detection protection Pc 41 Compressor start error PC 42 Lack of phase (3 phase) protection PC 43 No speed protection PC 44 341PWM error PC 45 Compressor speed malfunction PC 46 Compressor over current protection PC 49 Compressor discharge temperature protection PC 06 Outdoor current protection PC 08...

  • Page 120: 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 TS15 - TS16...

  • Page 121: Field Maintenance

    Field maintenance Problem Solution Unit will not start TS17 - TS18 Compressor will not start but fans run TS17 - TS18 Compressor and condenser (outdoor) fan will not start TS17 - TS18 Evaporator (indoor) fan will not start TS17 - TS18 Condenser (Outdoor) fan will not start TS17 - TS18 Unit runs, but shortly stops...
  • Page 122  Troubleshooting 15 ...
  • Page 123 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 ☆...
  • Page 124 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 ☆...
  • Page 125 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 ☆ ☆ ☆...

  • Page 126: 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 127: Troubleshooting By Error Code

    7. Troubleshooting by Error Code 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.
  • Page 128 TS01-ODU: Outdoor EEPROM parameter error or communication error between outdoor main chip and compressor driven chip 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 129 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 130 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 131 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 132 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 133 Index: 1. Indoor or Outdoor 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 134 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 135 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 136 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 137 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: • Connection wires •...
  • Page 138 TS06-INV: Refrigerant Leakage Detection diagnosis and solution Description: Judging the abnormality of the refrigeration system according to the number of compressor stops and the changes in operating parameters caused by excessive exhaust temperature. Recommended parts to prepare: • Indoor PCB •...
  • Page 139 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 140 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 141 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 142 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 143 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 144 Check the fastening screws on the PCB and IPM radiator. Replace the outdoor Are they 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 145 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 146 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 147 TS26-INV: High pressure protection or Low pressure protection diagnosis and solution Description: Outdoor pressure switch cut off the system because high pressure is higher than 4.4 MPa or 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: •...
  • Page 148 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 149 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 150 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 151 8. Check Procedures 8.1 Temperature Sensor 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 152 KSK103D33UEZ3 Resistance Value KSK89D53UEZ KSK89D29UEZD KSN98D22UFZ KTN150D30UFZA KTM240D46UKT2 KBK103D33UEZ3 Blue-Red Blue-Black 2.35Ω 1.99Ω 1.57Ω 2.13Ω 1.02Ω 1.04Ω Red-Black KSK75D33UEZD3 KSN140D21UFZ Resistance Value KSM135D23UFZ KTM140D78UFZ3 KTF235D22UMT KTM240D57UMT KSN140D21UFZB KSK89D33UEZD3 Blue-Red Blue-Black 1.72Ω 1.28Ω 1.5Ω 0.75Ω 2.14Ω 0.62Ω Red-Black Resistance Value KSN140D58UFZ KTM240D43UKT KSN98D64UFZ3 ASN140D35TFZ...
  • Page 153 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. Turn off outdoor unit and disconnect power supply. 2. Discharge electrolytic capacitors and ensure all energy-storage unit has been discharged. 3.
  • Page 154 Indoor AC Fan Motor Check 1) Power off and disconnect fan motor power cord from PCB. Measure the resistance value of each winding by using the multi-meter. The normal value show as follows . YKFG-13-4-38L Model YKFG-15-4-28-1 YKFG-20-4-10L YKFG-20-4-5-11 YKFG-13-4-38L-4 Brand Welling Welling...
  • Page 155 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 156 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 157 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 158 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 159 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 160 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 161 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 162 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 163 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 164 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 165 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 166 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 168 kaisai.com...

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