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Rotenso VCC26Xi Service Manual

Idu&odu unit
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VERSU
S
E
R
IDU&ODU UNIT
SERVICE MANUAL
MODELS:
VCC26Xi/VO26Xo, VCC35Xi/VO35Xo, VCC50Xi/VO35Xo
VCS26Xi/VO26Xo, VCS35Xi/VO35Xo, VCS50Xi/VO35Xo
VM26Xi/VM26Xo, VM35Xi/VM35Xo, VM50Xi/VM50Xo
VP26Xi/VP26Xo, VP35Xi/VP35Xo, VP26Xi/VP50Xo
I
E
S
EN

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Summary of Contents for Rotenso VCC26Xi

  • Page 1 VERSU IDU&ODU UNIT SERVICE MANUAL MODELS: VCC26Xi/VO26Xo, VCC35Xi/VO35Xo, VCC50Xi/VO35Xo VCS26Xi/VO26Xo, VCS35Xi/VO35Xo, VCS50Xi/VO35Xo VM26Xi/VM26Xo, VM35Xi/VM35Xo, VM50Xi/VM50Xo VP26Xi/VP26Xo, VP35Xi/VP35Xo, VP26Xi/VP50Xo www.rotenso.com...
  • Page 2 Table of Contents §. Safety Precautions Precautions Information servicing(For flammable materials) §. Specifications Model Reference Pipe length and the Drop Height Refrigerant Cycle Diagrams Electrical Wiring Diagrams §. Product Features Display Function Safety Features Basic Features §. Maintenance First Time Installation Check Refrigerant Recharge Re-Installation §.
  • Page 3 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 4: Safety Precautions

    Safety Precautions Contents Precautions ......................2 Information servicing(For flammable materials) ..........3...

  • Page 5: In Case Of Accidents Or Emergency

    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 6: Work Procedure

    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 7: Detection Of Flammable Refrigerants

    • 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 8: Charging Procedures

    • 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 9 • 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 10: Specifications

    Specifications Contents Model Reference ....................2 Pipe Length and Drop Height ................3 Refrigerant Cycle Diagrams ..................4 Electrical Wiring Diagrams ..................5...

  • Page 11: Model Reference

    Indoor Unit Model Outdoor Unit Model Capacity (Btu/h) Power Supply VO26Xo R15 / VP26Xo R15/ VCC26Xi R15 / VCS26Xi R15 / VM26Xo R15 VP26Xi R15/ VM26Xi R15 220-240V~, 50Hz, VO35Xo R15 / VP35Xo R15 / VCC35Xi R15 / VCS35Xi R15 /...

  • Page 12: Pipe Length And 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 13: Refrigerant Cycle Diagrams

    3. Refrigerant Cycle Diagrams 9k/12k/18k  Specifications 4 ...

  • Page 14: Electrical Wiring Diagrams

    Outdoor Unit IDU Model IDU Wiring Diagram ODU Model ODU Wiring Diagram VCC26Xi R15 / VCS26Xi R15 / VO26Xo R15 / VP26Xo R15/ VP26Xi R15/ VM26Xi R15 VM26Xo R15 VCC35Xi R15 / VCS35Xi R15 / VO35Xo R15 / VP35Xo R15/...
  • 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 17 Outdoor unit wiring diagram: 16022000019533...
  • Page 18 Outdoor unit printed circuit board diagram: 17122000044714, 17122000048121,17122000046453...
  • Page 19 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 20: Table Of Contents

    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 21: Display Function

    1. Display Function Unit display functions Display Function ECO function WiFi control (available on select units only) Temperature value Temperature Timer ON is set Activation of Fresh, Swing, Turbo, ECO, Breeze away, (3s) Cascade or Silence Timer OFF is set Cancellation of Fresh, Swing, Turbo, ECO, Breeze away, (3s) Cascade or Silence...

  • Page 22: 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 23: Basic Functions

    3. Basic Functions Table Heating Mode Functions Defrosting Mode Cases Case 1 Case 2 9k/12k Models Note: The detailed description of case 1 or case 2 is shown in the following function section(3.5).  Product Features ...

  • Page 24: 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 25: 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 26: Outdoor Fan Control

    • 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 27: 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 28: 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 29: Electrical Energy Consumption Control Function(Optional)

    3.18 Breeze Away function (Optional) , Forced cooling operation, mode setting, Sleeping mode, or adjusting the set temperature to less than • This feature avoids direct airflow blowing on the body 24°C,it will quit the ECO operation. and makes you feel indulging in silky coolness. •...

  • Page 30: Maintenance

    Maintenance Contents First Time Installation Check .................2 Refrigerant Recharge ....................4 Re-Installation .......................5 Indoor Unit ....................5 Outdoor Unit ....................7...

  • Page 31: 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 32 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 33: 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 34: 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 35 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 36: 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 37: Refrigerant Charging

    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 38 Indoor Unit Disassembly Contents Dimension ......................2 Indoor Unit Disassembly ..................3 Front Panel ....................3 Electrical parts ....................8 Evaporator ....................11 Fan motor and fan ..................13 Step motor ....................15 Drain Hose ....................16...

  • Page 39: Dimension

    1. Dimension Capacity Body Code W(mm/inch) D(mm/inch) H(mm/inch) 9K / 12K / 18K 920/36.22 211/8.31 321/12.64  Indoor Unit Disassembly 2 ...

  • Page 40: Indoor Unit Disassembly

    2. Indoor Unit Disassembly 2.1 Front Panel Procedure Illustration 1) Push the panel button on the both sides of panel frame and then lift the panel with both hands at the same time. (see CJ_XT_001). Front Panel Button CJ_XT_001 2) Push up the bottom of an air filter (step 1), and then pull it out downwards (step 2) (see CJ_XT_002).
  • Page 41 Procedure Illustration 3) Remove 1 screw fixing the electrical cover and lift it with the lug boss. (see CJ_XT_003). CJ_XT_003 4) Remove 1 screw of the display box. (see CJ_XT_004). 5) Disconnect the connector for display board. (see CJ_XT_004) . 6) Rotate the display board in the direction shown in the right picture.
  • Page 42 Procedure Illustration 7) Release the left and right buckles and slid the front panel side to side to release each axis.(see CJ_XT_005) CJ_XT_005 8) Open 3 hooks in the direction shown in the right picture, then remove the horizontal louver assembly. (see CJ_XT_006).
  • Page 43 Procedure Illustration 9) Remove 3 screws fixing panel frame assembly.(see CJ_XT_007). 10) Open 3 screw caps and then remove the screws (see CJ_XT_007). CJ_XT_007 11) Release the 5 hooks in the back (see CJ_XT_008). CJ_XT_008 Note: This section is for reference only. Actual unit appearance may vary. ...
  • Page 44 Procedure Illustration 12) Pull out the panel frame while pushing the hook through a clearance between the panel frame and the heat exchanger. (see CJ_XT_009) CJ_XT_009 Note: This section is for reference only. Actual unit appearance may vary.  Indoor Unit Disassembly 7 ...

  • Page 45: 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 cover board for wiring. (see CJ_XT_010). CJ_XT_010 2) Remove one fixing screw of electrical control box subassembly.
  • Page 46 Procedure Illustration Ground Screw 3) Cut the ribbon by a shear, then pull out the coil temperature sensor (T2) (see CJ_XT_012). 4) Remove one fixing screw of the electronic control box and two screws used for the ground connection (see CJ_XT_012).
  • Page 47 Procedure Illustration Fan motor stepper motor-1 stepper motor-2 6) Disconnect the connectors and remove main control board. (see CJ_XT_014). UVC(optional) CJ_XT_014 Note: This section is for reference only. Actual unit appearance may vary.  Indoor Unit Disassembly 10 ...

  • Page 48: 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_XT_015). CJ_XT_015 2) Remove the 1 screw on the evaporator located at the fixed plate (see CJ_XT_016).
  • Page 49 Procedure Illustration 3) Remote the 2 screws on the evaporator located at the fixed plate (see CJ_XT_017). CJ_XT_017 4) Pull out the evaporator (see CJ_XT_018). CJ_XT_018 Note: This section is for reference only. Actual unit appearance may vary.  Indoor Unit Disassembly 12 ...

  • Page 50: 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_ XT_019).
  • Page 51 Procedure Illustration 3) Remove the fixing screw (see CJ_XT_021). 4) Pull out the fan motor and fan assembly from the side. CJ_XT_021 Note: This section is for reference only. Actual unit appearance may vary.  Indoor Unit Disassembly 14 ...

  • Page 52: 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 stepper motor-1 in the left side of air outlet frame.(see CJ_XT_022).

  • Page 53: Drain Hose

    2.6 Drain Hose Procedure Illustration 1) Rotate the fixed wire clockwise indicated in right image (see CJ_XT_024). CJ_XT_024 2) Pull up the drain hose to remove it (see CJ_XT_025). CJ_XT_025 Note: This section is for reference only. Actual unit appearance may vary. ...
  • Page 54 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 55: Outdoor Unit Disassembly

    1. Outdoor Unit Disassembly Outdoor Unit Table Outdoor Unit Model Panel Plate PCB Board X230 PCB Board 6 X230 PCB Board 6 X330 PCB Board 6  Outdoor Unit Disassembly 2 ...

  • Page 56: Dimension

    2. Dimension 2.1. X130 Panel Plate  Outdoor Unit Disassembly 3 ...
  • Page 57 For US models(Rounded grille):  Outdoor Unit Disassembly 4 ...
  • Page 58 2.2. X230 Panel Plate  Outdoor Unit Disassembly 5 ...
  • Page 59 For US models(Rounded grille):  Outdoor Unit Disassembly 6 ...
  • Page 60 For US models(Square grille):  Outdoor Unit Disassembly 7 ...
  • Page 61 2.3. X330 Panel Plate  Outdoor Unit Disassembly 8 ...
  • Page 62 For US models(Rounded grille):  Outdoor Unit Disassembly 9 ...
  • Page 63 For US models(Square grille):  Outdoor Unit Disassembly 10 ...
  • Page 64 2.4. X430 Panel Plate  Outdoor Unit Disassembly 11 ...
  • Page 65 For US models(Rounded grille):  Outdoor Unit Disassembly 12 ...
  • Page 66 For US models(Square grille):  Outdoor Unit Disassembly 13 ...
  • Page 67 2.5. Panel Plate  Outdoor Unit Disassembly 14 ...
  • Page 68 For US models:  Outdoor Unit Disassembly 15 ...

  • Page 69: Panel Plate

    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 70 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 71 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 72 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 73 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 74 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 75 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 76 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 77 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 78 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 79 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 80 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 81 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 82: 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 83 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 84 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 85 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 86 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 87 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 88 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 89 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 90 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 91 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 92 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 93 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 94 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 95 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 96 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 97: 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 98: 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 99: 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 100 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 101: 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 102 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 103: Troubleshooting

    Troubleshooting Contents Safety Caution .......................3 General Troubleshooting ..................4 Complain Record Form ..................6 Information Inquiry ....................8 Error Diagnosis and Troubleshooting Without Error Code .......11 Remote maintenance ...................11 Field maintenance ..................12 Quick Maintenance by Error Code ..............17 Troubleshooting by Error Code ................17 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 104 Troubleshooting 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 TS26 High pressure protection or Low pressure protection Diagnosis and Solution TS14 Indoor units mode conflict Diagnosis and Solution...

  • Page 105: 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 106: 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 107 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 Inverter compressor drive error TS12-S PC 04 1 time FLASH Current overload protection TS08-S PC 08 Communication error between outdoor main chip and compressor 6 times FLASH...

  • Page 108: 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 109 Error code of engineer mode Display Error Information EH 00/EH 0A Indoor unit EEPROM parameter error Indoor / outdoor unit communication error EL 01 Zero-crossing signal detection error EH 02 Over low voltage protection of indoor external fan EH 30 Over voltage protection of indoor external fan EH 31 The indoor fan speed is operating outside of the normal range...
  • Page 110 Condenser high temperature protection PC 0A Humidity sensor is in open circuit or has short circuited FH 0C Compressor discharge temperature protection PC 06 Outdoor current protection PC 08 Anti-cold air in heating mode PH 09 PFC module malfunction PC 0F High pressure protection PC30 Low pressure protection...

  • Page 111: 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 TS13 - TS14...

  • Page 112: Field Maintenance

    Field maintenance Problem Solution Unit will not start TS15 - TS16 Compressor will not start but fans run TS15 - TS16 Compressor and condenser (outdoor) fan will not start TS15 - TS16 Evaporator (indoor) fan will not start TS15 - TS16 Condenser (Outdoor) fan will not start TS15 - TS16 Unit runs, but shortly stops...
  • Page 113  Troubleshooting 13 ...

  • Page 114: Remote Maintenance

    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 115 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 116 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 117: 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 118: 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 119: Troubleshooting And Repair

    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 120 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 121 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 122 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 123 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 124 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 125 2. Indoor AC Motor 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 Welling...
  • Page 126 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 127 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 128 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 129 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 130 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 131 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 132 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 133 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 134 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 135 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 136 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 137 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 138 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 139 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 140 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 141 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 142 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 143 TS33: Communication error between outdoor main PCB and IPM board diagnosis and solution Description: The main PCB cannot detect the IPM board. Recommended parts to prepare: • Connection wires • IPM board • Outdoor main PCB • Electric control box Troubleshooting and repair: Is there at least one LED in Is there at least one LED in...
  • Page 144 TS34: AP mode is active but there is no WIFI kit installed AP mode is active but cannot detect WIFI kit Description: Recommended parts to prepare: • WIFI kit Troubleshooting and repair: Shut off the power supply and Shut off the power supply and Is there WIFI kit? Is there WIFI kit? turn it on 2 minutes later.

  • Page 145: Check Procedures

    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 146 KSK103D33UEZ3 Resistance Value KSK89D53UEZ KSK89D29UEZD KSN98D22UFZ KTN150D30UFZA KBK103D33UEZ3 Blue-Red Ω Blue-Black 2.35Ω 1.99Ω 2.13Ω 1.02Ω 1.57 Red-Black Resistance Value KSM135D23UFZ KSN140D21UFZ KTF235D22UMT KTM240D46UKT2 KTM240D57UMT Blue-Red Blue-Black 1.72Ω 1.28Ω 0.75Ω 1.04Ω 0.62Ω Red-Black Resistance Value KSN140D58UFZ KTM240D43UKT KSN98D64UFZ3 ASN140D35TFZ ATF235D22TMT DTN210D32UFZ Blue-Red Blue-Black 1.86Ω...

  • Page 147: Ipm Continuity Check

    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 148 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 149 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 150 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 151: Pressure On Service Port

    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 152 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 153 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 154 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 155 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 156 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 157 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 158 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 159 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...

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