Midea MSMABU-09HRDN8-QRD0GW Service Manual
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Midea MSMABU-09HRDN8-QRD0GW Service Manual

Blanc inverter series
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SM_MA(GA)_R32_INV_EU_NA_1909
BLANC INVERTER SERIES
SERVICE MANUAL

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Summary of Contents for Midea MSMABU-09HRDN8-QRD0GW

  • Page 1 SM_MA(GA)_R32_INV_EU_NA_1909 BLANC INVERTER SERIES SERVICE MANUAL...
  • Page 3 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 Optional 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 6 Safety Precautions Contents Precautions ......................2 Information servicing(For flammable materials) ..........3...
  • Page 7 1. Precautions CAUTION To prevent personal injury, or property or unit damage, • • While unpacking be careful of sharp edges around adhere to all precautionary measures and instructions the unit as well as the edges of the fins on the con- denser and evaporator.
  • Page 8 2. Information servicing(For • Prior to work taking place, the area around the equipment is to be surveyed to make sure that there are no flammable flammable materials) hazards or ignition risks. • NO SMOKING signs shall be displayed. Checks to the area Ventilated area •...
  • Page 9 • that capacitors are discharged: this shall be done in shall also take into account the effects of aging or a safe manner to avoid possibility of sparking; continual vibration from sources such as compressors or fans. • that there no live electrical components and wiring are exposed while charging, recovering or purging 2.13 Detection of flammable refrigerants the system;...
  • Page 10 • The refrigerant charge shall be recovered into the • Before attempting the procedure ensure that: correct recovery cylinders. The system shall be flushed • mechanical handling equipment is available, if with OFN to render the unit safe. This process may required, for handling refrigerant cylinders;...
  • Page 11 • Empty recovery cylinders are evacuated and, if • The recovered refrigerant shall be returned to the possible, cooled before recovery occurs. refrigerant supplier in the correct recovery cylinder, and the relevant Waste Transfer Note arranged. Do not • The recovery equipment shall be in good working mix refrigerants in recovery units and especially not in order with a set of instructions concerning the cylinders.
  • Page 12 Specifications Contents Model Reference ....................2 Pipe Length and Drop Height ................3 Electrical Wiring Diagrams ..................4...
  • Page 13 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 MSMABU-09HRDN8-QRD0GW MOAB30-09HFN8-QRD0GW MSMABU-09HRDN8-QRD0GW MOX133-09HFN8-QRD0GW MSMABU-12HRDN8-QRD0GW MOAB30-12HFN8-QRD0GW 220-240V~, 50Hz, 1Phase MSMABU-12HRDNX-QRD0FGW(GA) MOX133-12HFN8-QRD0GW MSMACU-18HRFN8-QRD0GW MOB32-18HFN8-QRD0GW...
  • Page 14 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) Standard Length Max Pipe Length Max Elevation Additional Refrigerant...
  • Page 15 3. Electrical Wiring Diagrams Indoor and outdoor unit wiring diagram Indoor Unit Outdoor Unit IDU Model IDU Wiring Diagram ODU Model ODU Wiring Diagram MSMABU-09HRDN8-QRD0GW MOAB30-09HFN8-QRD0GW MSMABU-09HRDN8-QRD0GW MOX133-09HFN8-QRD0GW MSMABU-12HRDN8-QRD0GW MOAB30-12HFN8-QRD0GW 16022000019533 16022000020169 MSMABU-12HRDNX-QRD0FGW(GA) MOX133-12HFN8-QRD0GW MSMACU-18HRFN8-QRD0GW MOB32-18HFN8-QRD0GW 16022000019069 MSMADU-24HRFNX-QRD0GW MOCA32-24HFN8-QRD0GW utdoor unit printed circuit board diagram...
  • Page 16 Indoor unit abbreviations Abbreviation Paraphrase Yellow-Green Conductor Positive and Negative Ion Generator Capacitor PLASMA Electronic Dust Collector LIVE NEUTRAL Heater The Electric Heating Belt of Indoor Unit Indoor Room Temperature Coil Temperature of Indoor Heat Exchanger Outdoor unit abbreviations Abbreviation Paraphrase 4-WAY Gas Valve Assembly/4-WAY VALVE...
  • Page 17 Indoor unit wiring diagram: 16022000020169 OPTIONAL OPTIONAL Applicable to INDOOR WIRING DIAGRAM AC motor only 16022000020169 5(3or2) HEATER SWITCH BOARD CN701 OPTIONAL HA HB E 12V/5V Applicable for MULTI and MONO unit without 1W standby control feature OPTIONAL Applicalbe for MONO unit with OPTIONAL 1W standby control feature To Randomly...
  • Page 18 Outdoor unit wiring diagram: 16022000019533...
  • Page 19 Outdoor unit wiring diagram: 16022000019069 16022000019069 Applicable to Applicable to the units adopting the units adopting DC motor only AC motor only H EATER 2 C N 4 OPTIONAL: BROWN CN30 BLUE YELLOW （ ） BLACK(BLUE) TO I NDO O R UNI T PO W ER SUPPLY...
  • Page 20 Outdoor unit printed circuit board diagram: 17122000040049...
  • Page 21 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) 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 22 Outdoor unit printed circuit board diagram: 17122000023675...
  • Page 23 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) 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 24 Outdoor unit printed circuit board diagram: 17122000036588...
  • Page 25 Name Meaning CN6-1 Earth: connect to Ground Power Supply N_in: connect to N-line (208-230V AC input) (CN3) 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. HEAT1 connect to compressor heater, 208-230V AC when is ON AC-FAN...
  • Page 26 Outdoor unit printed circuit board diagram: 17122000044714, 17122000048121...
  • Page 27 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 28 Product Features Contents Display Function ....................2 Safety Features ......................3 Basic Functions .......................4 Abbreviation ....................4 Fan Mode ......................4 Cooling Mode ....................4 Heating Mode (Heat Pump Units) ..............4 Auto-mode ....................5 Drying Mode ....................5 Forced Operation Function ................6 Timer Function ....................6 Sleep Function ....................6 3.10 Auto-Restart Function ..................6 3.11 Louver Position Memory Function ..............6 3.12 ECO Function ....................6...
  • Page 29 1. Display Function Unit display functions Function Display Temperature Set temperature value Temperature Room temperature (fan and Drying mode) Activation of Timer ON, Fresh, Swing, Turbo, or Silent (3s) Cancellation of Timer OFF, Fresh, Swing, Turbo, or Silent (3s) Defrost Warming in heating mode Self-clean (available on select units only) Heating in room temperature...
  • Page 30 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 31 3. Basic Functions 2) When the compressor runs continuously for more than 120 minutes. Abbreviation • If the following conditions are satisfied, the compressor ceases operation. Unit element abbreviations • When calculated frequency(fb) is less than minimum limit frequency(FminC). Abbreviation Element •...
  • Page 32 increases to 100%. reduces to 80%; • -When T1-Tsc is higher than 0°C, fan speed reduces 3.3.3 Outdoor Fan Control to 60%; • The outdoor unit will be run at different fan speed • -When T1-Tsc is higher than 0.5°C, fan speed according to T4 and compressor running frequency..
  • Page 33 heating mode: • Changes in: • T3 rises above TCDE1+4°C. • mode • T3 maintained above TCDE2+4°C for 80 seconds. • fan speed • Unit runs for 15 minutes consecutively in defrosting • setting temperature mode. Timer function 3.4.5 Evaporator Temperature Protection When the evaporator temperature exceeds a preset •...
  • Page 34 allows the unit to restart automatically. The module • If you press “Follow Me” on the remote, the indoor automatically stores the current settings and, in the unit will beep. This indicates the follow me function is case of a sudden power failure, will restore those active.
  • Page 35 Maintenance Contents First Time Installation Check .................2 Refrigerant Recharge ....................4 Re-Installation .......................5 Indoor Unit ....................5 Outdoor Unit ....................7...
  • Page 36 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 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 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 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 ..................3 Front Panel ....................3 Electrical parts ....................8 Evaporator ....................12 Fan motor and fan ..................14 Step motor ....................16...
  • Page 44 1. Dimension Model W(mm) D(mm) H(mm) 1120   Indoor Unit Disassembly 2...
  • Page 45 2. Disassembly Front Panel Procedure Illustration 1) Hold the front panel by the tabs on Front Panel the both sides and lift it (see CJ_ MA_001). CJ_MA_001 2) Push up the bottom of an air fi lter, and then pull it out downwards (see CJ_MA_002).
  • Page 46 Procedure Illustration 3) Open the horizontal louver and push the hook towards left to open it (see CJ_MA_003). Horizontal Louver Hook CJ_MA_003 4) Bend the horizontal louver lightly by both hands to loosen the hooks, then remove the horizontal louver (see CJ_MA_004).
  • Page 47 Procedure Illustration 5) Remove 1 screw and then remove the electrical cover(see CJ_MA_005 ). CJ_MA_005 6) Disconnect the connector for display board(see CJ_MA_006) . 7) Remove 1 screw and overturn the display panel to remove the display board.(see CJ_MA_006). CJ_MA_006 Note: This section is for reference only.
  • Page 48 Procedure Illustration 8) Slide the front panel side to side to release each axis (see CJ_MA_007). CJ_MA_007 9) Open the screw caps(2) and the remove the screws(see CJ_MA_008). 10) Release the 2 hooks. CJ_MA_008 Note: This section is for reference only. Actual unit appearance may vary. ...
  • Page 49 Procedure Illustration 11) Release the fi ve hooks in the back (see CJ_MA_009). Hooks CJ_MA_009 12) Pull out the panel frame while pushing the hook through a clearance between the panel frame and the heat exchanger (see CJ_MA_010). Panel Frame CJ_MA_010 Note: This section is for reference only.
  • Page 50 Electrical parts Note: Remove the front panel (refer to 1. Front panel) before disassembling electrical parts. Procedure Illustration 1) Remove the fi xing screw and then Electronic Cover remove the cover of electronic box and the terminal cover (see CJ_MA_011). Fixing Screw CJ_MA_011 2) Pull out the room temperature sensor...
  • Page 51 Procedure Illustration 4) Remove the fi xing screw (see CJ_ MA_013-1). 5) Pull out the Electrical control box along the direction indicated in right image to remove it (CJ_MA_013-2). Fixing Screw CJ_MA_013-1 Electronic Box CJ_MA_013-2 Swing Motor Applicable to AC Motor Only Indoor Fan Motor 6) Disconnect the wires.
  • Page 52 Procedure Illustration 7) Remove the fi xing screw, then remove the capacitor of fan motor (see CJ_ MA_015). Capacitor of Fan Motor CJ_MA_015 Note: This section is for reference only. Actual unit appearance may vary.   Indoor Unit Disassembly 10...
  • Page 53 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_MA_016). Pipe Holder CJ_MA_016 2) Remove the screws on the evaporator located at the fi...
  • Page 54 Procedure Illustration 4) Pull out the evaporator (see CJ_MA_019). Evaporator CJ_MA_019 Note: This section is for reference only. Actual unit appearance may vary.   Indoor Unit Disassembly 12...
  • Page 55 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 fi...
  • Page 56 Step motor Note: Remove the front panel and electrical parts (refer to 1. Front panel, 2. Electrical parts) before disassembling step motor. Procedure Illustration 1) Remove the two screws, then remove the stepping motor (see CJ_MA_023). Stepping Motor CJ_MA_023 Note: This section is for reference only. Actual unit appearance may vary. ...
  • Page 57 Outdoor Unit Disassembly Contents Outdoor Unit Table ....................2 Dimension ......................3 Outdoor Unit Disassembly ..................14 Panel Plate ....................14 Electrical Parts .....................33 Fan Assembly ....................45 Fan Motor ....................46 Sound blanket .....................47 Four-way valve .....................48 Compressor ....................49...
  • Page 58 1. Outdoor Unit Disassembly Outdoor Unit Table Outdoor Unit Model Panel Plate PCB Board MOAB30-09HFN8-QRD0GW AB30 PCB Board 4 MOX133-09HFN8-QRD0GW X130 PCB Board 9 MOAB30-12HFN8-QRD0GW AB30 PCB Board 4 MOX133-12HFN8-QRD0GW X130 PCB Board 9 MOB32-18HFN8-QRD0GW PCB Board 4 MOCA32-24HFN8-QRD0GW PCB Board 5 ...
  • Page 59 2. Dimension 1. Panel Plate AA01  Outdoor Unit Disassembly 3 ...
  • Page 60 2. Panel Plate AB01  Outdoor Unit Disassembly 4 ...
  • Page 61 3. Panel Plate BA01  Outdoor Unit Disassembly 5 ...
  • Page 62 For US models:  Outdoor Unit Disassembly 6 ...
  • Page 63 4. Panel Plate B01  Outdoor Unit Disassembly 7 ...
  • Page 64 For US models:  Outdoor Unit Disassembly 8 ...
  • Page 65 5. Panel Plate CA01  Outdoor Unit Disassembly 9 ...
  • Page 66 For US models:  Outdoor Unit Disassembly 10 ...
  • Page 67 6. Panel Plate D01  Outdoor Unit Disassembly 11 ...
  • Page 68 For US models:  Outdoor Unit Disassembly 12 ...
  • Page 69 X101 Panel Plate  Outdoor Unit Disassembly 13 ...
  • Page 70 3. Outdoor Unit Disassembly Panel Plate 1. AA01 / AB01 Procedure Illustration 1) Turn off the air conditioner and the power breaker. Big Handle 2) Remove the screws of the big handle and then remove the big handle (1 screws) (see CJ_AA01_001). CJ_AA01_001 Top Cover 3) Remove the screws of the top cover...
  • Page 71 Procedure Illustration 4) Remove the screws of the front panel and then remove the front panel (6 screws) (see CJ_AA01_003). Front Panel CJ_AA01_003 5) Remove the screws of water collecting Water Collecting Cover cover (2 screws) (see CJ_AA01_004). CJ_AA01_004 Note: This section is for reference only. Actual unit appearance may vary. ...
  • Page 72 Procedure Illustration 6) Remove the screws of the rear net and then remove the rear net (2 screws) CJ_AA01_005). (for some (see models) CJ_AA01_005 7) Remove the screws of the right panel and then remove the right panel (6 screws) (see CJ_AA01_006). CJ_AA01_006 The Right Panel Note: This section is for reference only.
  • Page 73 2. BA01 Procedure Illustration 1) Turn off the air conditioner and the power breaker. 2) Remove the screws of the big handle and then remove the big handle (3 screws) (see CJ_BA01_001). CJ_BA01_001 3) Remove the screws of the top cover and then remove the top cover (3 Top Cover screws).
  • Page 74 Procedure Illustration 4) Remove the screws of the front panel and then remove the front panel (7 screws) (see CJ_BA01_003). CJ_BA01_003 Front Panel Water Collecting Cover 5) Remove the screws of water collecting cover and then remove the water collecting cover (2 screws) (see CJ_ BA01_004).
  • Page 75 Procedure Illustration 6) Remove the screws of the rear net and then remove the rear net (2 screws) CJ_BA01_005). (for some (see models) CJ_BA01_005 7) Remove the screws of the right panel and then remove the right panel (5 screws) (see CJ_BA01_006). Right Panel CJ_BA01_006 Note: This section is for reference only.
  • Page 76 3. B01 Procedure Illustration 1) Turn off the air conditioner and the power breaker. Big Handle 2) Remove the screws of the big handle and then remove the big handle (1 screw) (see CJ_B01_001). CJ_B01_001 3) Remove the screws of the top cover Top Cover and then remove the top cover (3 screws).
  • Page 77 Procedure Illustration 4) Remove the screws of the left panel and then remove the right panel (2 screws) (see CJ_B01_003). CJ_B01_003 5) Remove the screws of the front panel and then remove the front panel (7 screws) (see CJ_B01_004). Front Panel CJ_B01_004 6) Remove the screws of water collecting cover and then remove the water...
  • Page 78 Procedure Illustration 7) Remove the screws of the rear net and then remove the rear net (2 screws) (see CJ_B01_006). (for some models) CJ_B01_006 8) Remove the screws of the right panel and then remove the right panel (5 screws) (see CJ_B01_007). Right Panel CJ_B01_007 Note: This section is for reference only.
  • Page 79 4. CA01 Procedure Illustration Big Handle 1) Turn off the air conditioner and the power breaker. 2) Remove the screws of the big handle and then remove the big handle (1 screw) (see CJ_CA01_001). CJ_CA01_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 the front panel and then remove the front panel (7 screws) (see CJ_CA01_003). Front Panel CJ_CA01_003 5) Remove the screws of water collecting cover and then remove the water collecting cover (2 screws) (see CJ_ CA01_004).
  • Page 81 Procedure Illustration 6) Remove the screws of the rear net and then remove the rear net (2 (for some screws) (see CJ_CA01_005). models) CJ_CA01_005 7) Remove the screws of the right panel and then remove the right panel (7 screws) (see CJ_CA01_006). Right Panel CJ_CA01_006 Note: This section is for reference only.
  • Page 82 5. D01 Procedure Illustration 1) Turn off the air conditioner and the power breaker. 2) Remove the screws of the big handle and then remove the big handle (2 screws) (see CJ_D01_001). Big Handle CJ_D01_001 3) Remove the screws of the top cover Top Cover and then remove the top cover (4 screws).
  • Page 83 Procedure Illustration 4) Remove the screws of the front right panel and then remove the front right panel (2 screws) (see CJ_D01_003). Front Right Panel CJ_D01_003 5) Remove the screws of the front panel and then remove the front panel (9 screws) (see CJ_D01_004).
  • Page 84 Procedure Illustration 6) Remove the screws of water collecting cover and then remove the water collecting cover (2 screw) (see CJ_ D01_005). Water Collecting Cover CJ_D01_005 7) Remove the screws of the rear net and then remove the rear net (2 screws) CJ_D01_006).
  • Page 85 Procedure Illustration 8) Remove the screws of the right panel and then remove the right panel (8 screws) (see CJ_D01_007). Right Panel CJ_D01_007 Note: This section is for reference only. Actual unit appearance may vary.  Outdoor Unit Disassembly 29 ...
  • Page 86 6. X101 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_X101_001). CJ_X101_001 3) Remove the screws of the top cover and then remove the top cover (3 screws).
  • Page 87 Procedure Illustration 4) Remove the screws of water collecting cover and then remove the water collecting cover (2 screws) (see CJ_ X101_003). CJ_X101_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_ X101_004).
  • Page 88 Procedure Illustration 6) Remove the screws of the right panel and then remove the right panel (5 screws) (see CJ_X101_005). CJ_X101_005 Note: This section is for reference only. Actual unit appearance may vary.  Outdoor Unit Disassembly 32 ...
  • Page 89 Electrical parts Antistatic gloves must be worn when you disassemble the electronic box. WARNING: Note: Remove the air outlet grille(refer to 3.1 Panel Plate) before disassembling electrical parts. PCB for ON-OFF Models 1. PCB board 1 Procedure Illustration 1) Remove the two screws fixed the electronic control board (see CJ_ ODU_PCB_001).
  • Page 90 Procedure Illustration 8) For models with subzero refrigeration control board, remove 3 screws of it showed in the figure. CJ_ODU_PCB_001-03 9) The subzero refrigeration control board is in the back of the medal sheet. CJ_ODU_PCB_001-04 Note: This section is for reference only. Actual unit appearance may vary. ...
  • Page 91 2. PCB board 2 Procedure Illustration Fan Motor 1) Disconnect the wires connected to the compressor. (Red wire connects 4-Way Valve Compressor with PCB board, others connects with terminals) (see CJ_ODU_PCB_002-1) 2) Disconnect the connectors for fan motor. (Blue wire, red wire, brown wire and black wire.
  • Page 92 3. PCB board 3 Procedure Illustration Earth wire 1) Disconnect the connectors for fan Fan motor motor (see CJ_ODU_PCB_003). 2) Disconnect the wires connected to the compressor (see CJ_ODU_ PCB_003). 3) Disconnect the wires connected to Pipe temperature sensor (see CJ_ ODU_PCB_003).
  • Page 93 PCB for Inverter Models 3. PCB board 4 Procedure Illustration 1) Remove the screws of the top cover. CJ_ODU_PCB_004- (2 screws) (see 1 ). CJ_ODU_PCB_004-1 2) Unfix the hooks and then open the electronic control box cover (4 hooks) (see CJ_ODU_PCB_004-2 ).
  • Page 94 4. PCB board 5 Procedure Illustration 1) Unfix the hooks and then open the electronic control box cover (4 hooks) CJ_ODU_PCB_005-1 ). (see 4-Way Valve 2) Disconnect the connector for fan CJ_ODU_PCB_005-1 motor from the electronic control CJ_ODU_PCB_005-2 ). board (see 3) Remove the connector for the Reactor CJ_ODU_PCB_005-...
  • Page 95 5. PCB board 6 Procedure Illustration 1) Remove the screws and unfix the hooks, then open the electronic control box cover (5 screws and 2 CJ_ODU_PCB_006-1 ). hooks )(see CJ_ODU_PCB_006-1 2) Disconnect the connector for fan motor from the electronic control CJ_ODU_PCB_006-2 ).
  • Page 96 6. PCB board 7 Procedure Illustration 1) Remove the screws of the top cover. CJ_ODU_PCB_007- (1 screws) (see 1 ). CJ_ODU_PCB_007-1 2) Unfix the hooks and then open the electronic control box cover (5 hooks) CJ_ODU_PCB_007-2 ). (see CJ_ODU_PCB_007-2 3) Disconnect the connector for fan motor from the IPM board (see ODU_PCB_007-3 ).
  • Page 97 Procedure Illustration 5) Pull out the wire connected with the CJ_ODU_PCB_007-4 ). terminal. (see T3/T4 6) Pull out connectors of the condenser coil temp. sensor(T3),outdoor ambient temp. sensor(T4) and discharge temp. CJ_ODU_PCB_007-4 ). sensor(TP) (see 7) Disconnect the electronic expansion CJ_ODU_PCB_007- valve wire (see Fig 4 ).
  • Page 98 7. PCB board 8 Procedure Illustration 1) Unfix the hooks and then open the electronic control box cover (4 hooks) CJ_ODU_PCB_008-1 ). (see 2) Disconnect the connector for outdoor DC fan from the electronic CJ_ODU_ control board (see PCB_008-2 ). 3) Remove the connector for the CJ_ODU_PCB_008- compressor (see...
  • Page 99 3. PCB board 9 Procedure Illustration 1) Disconnect the connector for compressor and release the ground wire(1 screw). (see CJ_ODU_ PCB_009-1 ). 2) Pull out the wires from electrical supporting plate and turn over the CJ_ODU_PCB_009-1 electronic control assembly. (see CJ_ODU_PCB_009-2 ).
  • Page 100 Procedure Illustration 4) Remove the fixing board (2 hooks) CJ_ODU_PCB_009-4 ). (see 5) Disconnect the connectors from the electronic control board (see CJ_ODU_PCB_009-4 CJ_ODU_PCB_009-3 ). DC Fan Compressor T3, T4, TP AC Fan 6) Then remove the electronic control Power supply board (4 hooks).
  • Page 101 Fan Assembly Note: Remove the panel plate (refer to 3.1 Panel Plate) before disassembling fan or remove air outlet grille before disassembling fan. Procedure Illustration 1) Remove the nut securing the fan with a spanner (see CJ_ODU_ FAN_001). 2) Remove the fan. D-cut CJ_ODU_FAN_001 Note: This section is for reference only.
  • Page 102 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 103 Sound blanket Note: Remove the panel plate (refer to 3.1 Panel plate) before disassembling sound blanket. Procedure Illustration 1) Remove the sound blanket (side and top) (see CJ_ODU_BLANKET_001). Sound Blanket(top) Sound Blanket(side) CJ_ODU_BLANKET_001 Note: This section is for reference only. Actual unit appearance may vary. ...
  • Page 104 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 105 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 106 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 107 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 108 Contents TS09 IPM Malfunction or IGBT Over-strong Current Protection Diagnosis and Solution TS10 Over Voltage or Too Low Voltage Protection Diagnosis and Solution TS11 Top temperature Protection of Compressor or High Temperature Protection of IPM Module or High Pressure Protection Diagnosis and Solution TS12 Inverter Compressor Drive Error Diagnosis and Solution TS13 Low Pressure Protection Diagnosis and Solution TS14 Indoor units mode conflic Diagnosis and Solution...
  • Page 109 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 110 When the indoor unit encounters a recognized error on different models , 1. the running LED with flash in a corresponding series, the timer LED may turn on or begin flashing; 2. an error code will be displayed; 3. both 1 and 2. These error codes are described in the following tables: Running Timer...
  • Page 111 6 times FLASH P5/-- Indoor units mode conflict(match with multi outdoor unit) TS14 7 times FLASH Low pressure protection TS13-INV Over low voltage protection TS10-S Over voltage protection TS10-S Running Timer Display Error Information Solution Lamp Lamp Defrost Self clean Filter cleaning reminder(power on display for 15 seconds) Filter replacement reminder(power on display for 15 seconds) Heating in room temperature under 8°C&12°C...
  • Page 112 For other errors: The display board may show a garbled code or a code undefined by the service manual. Ensure that this code is not a temperature reading. Troubleshooting: Test the unit using the remote control. If the unit does not respond to the remote, the indoor PCB requires replacement. If the unit responds, the display board requires replacement.
  • Page 113 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 4. Information Inquiry • To enter information inquiry status, complete the following procedure within 10 seconds: • Press LED 3 times. • Press SWING 3 times. • Finish 1 and 2 within 10 seconds, you will hear beeps for two seconds, which means the unit goes into parameter checking mode.
  • Page 116 Error code 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 EH 03...
  • Page 117 PC 06 Compressor discharge temperature protection Outdoor current protection PC 08 Anti-cold air in heating mode PH 09 PFC module malfunction PC 0F Outdoor ambient tempreture too low pc 0l Evaporator coil temperature over high protection PH 90 Evaporator coil temperature over low Protection PH 91 Frequency limit caused by voltage LC 05...
  • Page 118 Error code Display Error Information Indoor unit EEPROM parameter error E0/EA Indoor / outdoor unit communication error Zero-crossing signal detection error The indoor fan speed is operating outside of the normal range Indoor room temperature sensor T1 is in open circuit or has short circuited Evaporator coil temperature sensor T2 is in open circuit or has short circuited Refrigerant leak detected Indoor PCB/Display board communication error...
  • Page 119 Current Input detection protection Anti-cold air in heating mode Evaporator coil temperature over high protection Evaporator coil temperature over low Protection PFC module malfunction Frequency limit caused by voltage Frequency limit caused by current Frequency limit caused by TP Frequency limit caused by T3 Frequency limit caused by T2 Frequency limit caused by PFC No error and protection...
  • Page 120 5. Error Diagnosis and Troubleshooting Without Error Code WARNING Be sure to turn off unit before any maintenance to prevent damage or injury. Remote maintenance SUGGESTION: When troubles occur, please check the following points with customers before field maintenance. Problem Solution Unit will not start 13-14...
  • Page 121 Field maintenance Problem Solution Unit will not start 15-16 Compressor will not start but fans run 15-16 Compressor and condenser (outdoor) fan will not start 15-16 Evaporator (indoor) fan will not start 15-16 Condenser (Outdoor) fan will not start 15-16 Unit runs, but shortly stops 15-16 Compressor short-cycles due to overload...
  • Page 122 1.Remote Maintenance Electrical Circuit Refrigerant Circuit Possible causes of trouble Unit will not start ☆ ☆ ☆ ☆ The power switch is on but fans will not start ☆ ☆ ☆ The temperature on the display board cannot be set ☆...
  • 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 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 E0/EA...
  • Page 127 TS01-IDU: Indoor EEPROM parameter error diagnosis and solution Description: Indoor PCB main chip does not receive feedback from EEPROM chip. Recommended parts to prepare: • Indoor PCB Troubleshooting and repair: Shut off the power supply and turn it on 2 minutes later. Is it still displaying The unit is operating normally.
  • Page 128 TS01-ODU: Outdoor EEPROM parameter error or Compressor driven chip EEPROM parameter error diagnosis and solution Description: Outdoor PCB main chip does not receive feedback from EEPROM chip or compressor driven chip. Recommended parts to prepare: • Outdoor PCB Troubleshooting and repair: Shut off the power supply and turn it on 2 minutes later.
  • Page 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. 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 3. 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 135 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 136 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 137 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 138 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 2.11241...
  • Page 139 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 140 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 2.11241...
  • Page 141 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 542.7...
  • Page 142 TS06-INV: Refrigerant Leakage Detection diagnosis and solution Description: Define the evaporator coil temperature T2 of the compressor just starts running as Tcool. In the beginning 5 minutes after the compressor starts up, if T2 < Tcool-1°C(1.8°F) does not keep continuous 4 seconds and compressor running frequency higher than 50Hz does not keep for 3 minutes, and this situation happens 3 times, the LED displays the failure code and the AC turns off.
  • Page 143 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 144 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 145 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 146 Index: 1. IPM Continuity Check WARNING Electricity remains in capacitors even when the power supply is off. Ensure the capacitors are fully discharged before troubleshooting. 1. Turn off outdoor unit and disconnect power supply. 2. Discharge electrolytic capacitors and ensure all energy-storage unit has been discharged. 3.
  • Page 147 4. Compressor check Disconnect the compressor and check the resistance between U-V, V-W and U-W, and all 3 values should be equal. If not, the compressor is faulty and should be replaced. Note: The picture and the value are only for reference, actual condition and specific value may vary. ...
  • Page 148 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 149 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 150 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 151 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 152 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 153 TS13-INV: Low pressure protection diagnosis and solution Description: Outdoor pressure switch cut off the system because low pressure is lower than 0.13 MPa, the LED displays the failure code. Recommended parts to prepare: • Connection wires • Outdoor PCB • Low pressure protector •...
  • Page 154 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 155 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 156 TS33: Communication error between outdoor main chip and compressor driven chip diagnosis and solution Description: The main chip cannot detect the compressor driven chip Recommended parts to prepare: • Outdoor main PCB • Electric control box Troubleshooting and repair: Shut off the power supply and Shut off the power supply and turn it on 2 minutes later.
  • Page 157 TS34: AP mode is actived but there is no WIFI kit installed AP mode is actived 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 158 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 159 Resistance Value KSK89D53UEZ KSK103D33UEZ3(YJ) KSM135D23UFZ KTF235D22UMT Blue-Red Blue-Black 2.35Ω 2.13Ω 1.28Ω 0.75Ω Red-Black Note: The picture and the value are only for reference, actual condition and specific value may vary. Troubleshooting  ...
  • Page 160 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 161 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 162 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 163 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 164 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 165 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 166 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 167 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 168 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 169 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 170 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 171 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 172 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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