Related Manuals for Coaire CIC-09M1Z
Summary of Contents for Coaire CIC-09M1Z
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Page 1: Service Manual
SERVICE MANUAL MODEL : CIC-09M1Z CIH-09M1Z CIC-12M1Z CIH-12M1Z CIC-18M2Z CIH-18M2Z CIC-24M2Z CIH-24M2Z... -
Page 2: Table Of Contents
Content Content Precaution......................... 1 1.1 Safety Precaution ........................... 1 1.2 Warning ..............................1 Function ..........................4 Dimension ......................... 5 Specification ........................7 Refrigerant cycle diagram ..................... 10 Operation limits ......................11 Wiring diagram ....................... 12 Installation details ......................22 8.1 Wrench torque sheet for installation ....................22 8.2 Connecting the cables ......................... - Page 3 Content 11.5 Indoor fan speed out of control ......................45 11.6 Temperature sensor error........................46 11.7 Over current protection of the compressor occurs 4 times ..............46 11.8 EEROM error ............................46 11.9 Outdoor unit protects .......................... 47 11.10 Indoor unit communication error.
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Page 4: Precaution
Service manual 1 Precaution 1.1 Safety Precaution To prevent injury to the user or other people and property damage, the following instructions must be followed. Incorrect operation due to ignoring instruction will cause harm or damage. Before service unit, be sure to read this service manual at first. 1.2 Warning Installation Do not use a defective or underrated circuit breaker. - Page 5 Service manual Do not place anything on the power cable. There is risk of fire or electric shock. Do not plug or unplug the power supply plug during operation. There is risk of fire or electric shock. Do not touch (operation) the product with wet hands. There is risk of fire or electric shock.
- Page 6 Service manual Use two or more people to lift and transport the product. Avoid personal injury. Do not install the product where it will be exposed to sea wind (salt spray) directly. It may cause corrosion on the product. Corrosion, particularly on the condenser and evaporator fins, could cause product malfunction or inefficient operation.
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Page 7: Function
Service manual 2 Function 20. Ionizer (optional) Indoor unit The function is operated by remote controller. Operation ON/OFF remote 21．Follow me (optional) controller The function is operated by remote controller. 2. Sensing by room temperature 22. Turbo Room temperature sensor. Pipe temperature This function enables the unit to reach the preset sensor. -
Page 8: Dimension
Service manual 3 Dimension Indoor unit Dimension Mode 1080 1250 - 5 -... -
Page 9: Outdoor Unit
Service manual outdoor unit Dimension Mode - 6 -... -
Page 10: Specification
Service manual Specification CIC-09M1Z CIC-12M1Z CIH-09M1Z CIH-12M1Z Model Power supply Ph-V-Hz 1, 115V~,60Hz 1, 115V~,60Hz 1, 115V~,60Hz 1, 115V~,60Hz Capacity Btu/h 9000 9000 12000 12000 Input 1090 1090 Cooling Rated current Btu/w.h Capacity Btu/h 10000 12500 Input 1060 Heating Rated current Btu/w.h... - Page 11 Service manual CIC-12M2Z CIH-12M2Z CIC-18M2Z CIH-18M2Z Model Power supply Ph-V-Hz 1, 208-230V~, 60Hz 1, 208-230V~, 60Hz 1, 208-230V~, 60Hz 1, 208-230V~, 60Hz Capacity Btu/h 12000 12000 18000 18000 Input 1070 1070 1550 1550 Cooling Rated current 4.75 4.75 Btu/w.h Capacity Btu/h 12500 18000...
- Page 12 Service manual Model CIC-24M2Z CIH-24M2Z Power supply Ph-V-Hz 1, 208/230V~, 60Hz 1, 208/230V~, 60Hz Capacity Btu/h 24000 24000 Input 2000 2000 Cooling Rated current SEER Btu/w.h Capacity Btu/h 24000 Input 2000 Heating Rated current HSPF Max. current 3190 3190 Starting current 16.5 16.5 Model...
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Page 13: Refrigerant Cycle Diagram
Service manual 5 Refrigerant cycle diagram Cooling only Heat pump mode - 10 -... -
Page 14: Operation Limits
Service manual 6 Operation limits Cooling operation Outdoor unit air temp.℃ DB Indoor air temp. ℃ DB Note: The chart is the result from the continuous operation under constant air temperature conditions. However, excludes the initial pull-down stage. Heating operation Indoor air temp. -
Page 15: Wiring Diagram
Service manual 7 Wiring diagram CIC-09M1Z Indoor unit outdoor unit: BR OW N WIRING DIAGRAM BL UE (OUTDOOR UNIT) BL AC K RE D CN 2 TO IND OOR UN IT W HITE POWER SUPPLY R E LA Y BLACK... -
Page 16: Indoor Unit
Service manual CIH-09M1Z Indoor unit outdoor unit: BR O W N WIRING DIAGRAM B LU E (OUTDOOR UNIT) B LA C K X T 1 R ED C N 2 T O INDO OR U NIT WHIT E POWER SUPPL Y F S1 R EL A Y BL AC K... - Page 17 Service manual CIC-12M1Z Indoor unit outdoor unit: BR OW N WIRING DIAGRAM BL UE (OUTDOOR UNIT) BL AC K RE D CN 2 TO IND OOR UN IT W HITE POWER SUPPLY R E LA Y BLACK RE D RE D CN 3 CT 1 CN 9...
- Page 18 Service manual CIH-12M1Z Indoor unit: outdoor unit: BR O W N WIRING DIAGRAM BLU E (OUTDOOR UNIT) BLA CK XT 1 T O INDO OR U NIT WHIT E POWER SUPPL Y R EL AY BLAC K C N3 RE D CT 1 CO DE PART NAME...
- Page 19 Service manual CIC-12M2Z Indoor unit: Outdoor unit BR OW N WIRING DIAGRAM BL UE (OUTDOOR UNIT) BL AC K RE D TO IND OOR UN IT CN 2 W HITE POWER SUPPLY R E LA Y BLACK RE D RE D CN 3 C T1 CN 9...
- Page 20 Service manual CIH-12M2Z Indoor unit: Outdoor unit B R O W N WIRING DIAGRAM B L U E B LA CK (OUTDOOR UNIT) X T1 R ED TO INDOOR UNIT Y/ G Y/ G WHI TE C N 1 P OWER S UPPLY F S1 R EL A Y BLA CK...
- Page 21 Service manual CIC-18M2Z Indoor unit: O N SOM E MODEL S A NIO N G ENE RAT OR W I R I N G D I A G R A M T R A N S 1 ( I N D O O R U N I T ) CN 1 CN11 C N4...
- Page 22 Service manual CIH-18M2Z Indoor unit: O N SOM E MODEL S A NIO N G ENE RAT OR W I R I N G D I A G R A M T R A N S 1 ( I N D O O R U N I T ) CN 1 CN11 C N4...
- Page 23 Service manual CIC-24M2Z Indoor： Outdoor： - 20 -...
- Page 24 Service manual CIH-24M2Z CIC-24M2Z Indoor： same with the indoor wiring diagram. Outdoor： - 21 -...
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Page 25: Installation Details
Service manual 8 Installation details 8.1 Wrench torque sheet for installation Outside diameter Torque inch Kg.m φ6.35 φ9.52 φ12.7 φ15.88 8.2 Connecting the cables The power cord of connect should be selected according to the following specifications sheet. Grade 8.3 Pipe length and the elevation Standard Max. -
Page 26: Air Purging Of The Piping And Indoor Unit
Service manual In case that more than 5m. Caution: Capacity is base on standard length and maximum allowance length is base of reliability. Oil trap should be install per 5-7 meters. 8.4 Air purging of the piping and indoor unit Required tools: Hexagonal wrench;... - Page 27 Service manual Procedure： 1. Recheck the piping connections. 2. Open the valve stem of the 2-way valve counterclockwise approximately 90’, wait 10 seconds, and then set it to closed position. Be sure to use a hexagonal wrench to operate the valve stem 3.
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Page 28: Pumping Down (Re-Installation)
Service manual 8.5 Pumping down (Re-installation) Procedure: 1. Confirm that both the 2-way and 3-way valves are set to the opened position. Remove the valve stem caps and confirm that the valve stems are in the opened position. Be sure to use a hexagonal wrench to operate the valve stems. 2. -
Page 29: Re-Air Purging (Re-Installation)
Service manual 8.6 Re-air purging (Re-installation) Procedure: 1. Confirm that both the 2-way and 3-way valves are set to the closed position. 2. Connect the charge set and a charging cylinder to the service port of the 3-way valve. 3. Leave the valve on the charging cylinder closed. 4. -
Page 30: Balance Refrigerant Of The 2-Way, 3-Way Valves
Service manual 8.7 Balance refrigerant of the 2-way, 3-way valves Procedure: 1. Confirm that both the 2-way and 3-way valves are set to the open position. 2. Connect the charge set to the 3-way valve’s service port. Leave the valve on the charge set closed. Connect the charge hose with the push pin to the service port. -
Page 31: Evacuation
Service manual 8.8 Evacuation Procedure: 1. Connect the vacuum pump to the charge set’s centre hose. 2. Evacuation for approximately one hour. Confirm that the gauge needle has moved toward -0.1 Mpa (-76 cmHg) [vacuum of 4 mmHg or less]. 3. -
Page 32: Gas Charging
Service manual 8.9 Gas charging Procedure: 1. Connect the charge hose to the charging cylinder. Connect the charge hose which you disconnected from the vacuum pump to the valve at the bottom of the cylinder. 2. Purge the air from the charge hose. Open the valve at the bottom of the cylinder and press the check valve on the charge set to purge the air (be careful of the liquid refrigerant). -
Page 33: Electronic Function
Service manual 9 Electronic function 9.1 Electronic control working environment Input voltage: 175~253V or 100~130V Input power frequency: 60Hz Ambient temperature: -7 C+45 C(C&H type), 18 C+45 C(Cooling only type) Indoor fan normal working amp is less than 1A Outdoor fan normal working amp is less than 1.5A Four-way valve normal working amp is less than 1A Swing motor: DC12V Compressor: single-phase power supply. -
Page 34: Function
Service manual 9.3 Function Remote receiving Testing and forced running Position set for indoor unit wind vane LED displaying and alarm On or off Timer Protection for the compressor Current protection High temperature protection of indoor heat exchanger at heating mode Auto defrosting and heating recovery at heating mode Anti cold air at heating mode 9.4 Protection... -
Page 35: Fan Only Mode
Service manual 9.5 Fan only mode Fan speed is high/mid/low/ Auto 9.6 Cooling mode The 4-way valve is closed at cooling mode. The action of the compressor and the outdoor fan:(T=indoor temperature) Compressor on outdoor fan on Room temp. down Room temp. -
Page 36: Dehumidifying Mode
Service manual Compressor and outdoor fan on COND. temp. down COND. temp. up Compressor and outdoor fan off (after 5 mins) TE11 TE10 9.7 Dehumidifying mode Indoor fan speed at low speed. Protection is same as cooling mode. 9.8 Heating mode 9.8.1 Generally, the 4-way valve is open in heating mode, but it is closed in defrosting mode. -
Page 37: Defrosting Mode(Available For Heating Mode)
Service manual 9.8.5 Anti-cold wind control function at heating mode (T=indoor exchanger temp.) Setting fan speed Breeze T temp. down T temp. up Fan off 9.8.6 Auto wind at heating mode (T=indoor temp.) Med fan Room temp. down Room temp. up High fan T-Ts 9.8.7 Indoor evaporator high-temperature protection at heating mode... -
Page 38: Auto Mode
Service manual with the compressor still running. Add up to 90 minutes. 9.9.2 Conditions of defrost ending: Defrosting ends when either of the following: The time gets to 10 minutes. T3>20’C. The circulation is as following: 9.9.3 Defrosting Actions Defrost 10 or 6 minutes Compressor 4-way valve Outdoor fan... -
Page 39: Sleep Mode(Economic Mode)
Service manual is set as low, the A/C operates at the DRY mode with a set temp. of 24℃ 9.11.3 All protections of remote control cooling are available at forced cooling operation 9.11.4 Forced Auto function Select forced auto function with the forced auto button or the switch. In forced auto status the A/C operates at remote control mode with a set temp. -
Page 40: Auto Restart Function
Service manual 9.12.4 Auto: After an hour running under economic mode, the set temp will rise 1℃, if it is under cooling mode; the set temp will decrease 1℃,if it is under heating mode; the set temp will be changeless, if it is under fan-only mode;... - Page 41 Service manual 9.16.3 When the indoor unit have not received the corrected signal for 7 minutes, this function will be shut down. The air conditioner is working in common way. - 38 -...
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Page 42: Model And Parameters
Service manual 10 Model and Parameters CIC/CIH-09M1Z CIC/CIH-12M1Z CIC/CIH-12M2Z I3SEC I5MIN IFAN 10.5A IRESTORE 12.5A IDEFROST 6.5A 5.5A HSPEEDH 1250 1270 1270 HSPEEDM 1000 1060 1060 HSPEEDL HSPEEDS CSPEEDP 1270 1270 CSPEEDH 1250 1270 1270 CSPEEDM 1000 1100 1100 CSPEEDL 1000 1000 CSPEEDS... - Page 43 Service manual CIC/CIH-18M2Z Flag0 Flag1 AngleOffL AngleOffH AngleHeatL AngleHeatH AngleCoolL AngleCoolH AngleDefL AngleDefH AngleMotorOn AngleStep AngleLouver AngleTime IResume I5min I3sec IOFan Idefrost TE10 TE11 TE12 TE13 TE14 TE15 TE16 DefrostTimeL DefrostTimeH - 40 -...
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Page 44: Troubleshooting
Service manual 11 Troubleshooting 11.1 Display board Operation The indicator flashes once every second after power is on and illuminates when the air conditioner is in operation. Timer indicator: The indicator illuminates then TIMER is set ON. PRE-DEF. indicator (For cooling & heating mode only) The air conditioner starts defrosting automatically if outdoor unit frosts in heating operating. -
Page 45: Troubleshooting
Service manual 11.2 Troubleshooting For 9K and 12K : Operation Timer Failure phenomenon lamp lamp Indoor fan speed has been out of control for over 1 minute ☆ Indoor room temp. or evaporator sensor is open circuit or short circuit ☆... -
Page 46: Diagnostic Chart
Service manual 11.3 Diagnostic chart After energizing, no indicator is lighted and the air conditioner can’t be operated. For the 9K and 12K models: Be sure all the wires(including power wires and connection wires) is OK Change good ones Check if AC 115V (or 208-230V) power supply outputs to outdoor Check if AC 115V (or 208-230V) exists at primary coil of transformer Outdoor PCB is defective... - Page 47 Service manual For 18K and 24K models Be sure all the wires(including power wires and connection wires) is OK Change good ones Check if AC 208-230V power supply outputs to outdoor PCB Check if AC 208-230V exists at primary coil of outdoor (and indoor) transformer Outdoor (or indoor) PCB is defective...
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Page 48: Resetting Phenomenon Often Occurs During Operation
Service manual 11.4 Resetting phenomenon often occurs during operation. (That is automatically entering to the status when power is on.) The reason is that the instantaneous voltage of main chip is less than 4.5V. Check according to the following procedure: Resetting phenomenon often occurs during operation. -
Page 49: Temperature Sensor Error
Service manual 11.6 Temperature sensor error. Including the indoor room, indoor evaporator and outdoor condenser temperature sensor. Is connector connection good? Repair the connector. Replace the sencor, 11.7 Over current protection of the compressor occurs 4 times Operation lamp off and Timer lamp flashes Over current protection of compressor occurs 4 times After changing the main control board, check if the failure realease. -
Page 50: Outdoor Unit Protects
Service manual 11.9 Outdoor unit protects Check if the power supply is good Power supply failure Change outdoor PCB and check if the error is still exit Outdoor PCB failure Compressor failure 11.10 Indoor unit communication error. Check the if the signal wire is well connection Connect the signal wire well or change the signal wire if it’s the problem of the wires. -
Page 51: Characteristic Of Temperature Sensor
Service manual 12 Characteristic of temperature sensor Temp.℃ Resistance KΩ Temp.℃ Resistance KΩ Temp.℃ Resistance KΩ 62.2756 14.6181 4.3874 58.7079 13.918 4.2126 56.3694 13.2631 4.0459 52.2438 12.6431 3.8867 49.3161 12.0561 3.7348 46.5725 11.5 3.5896 10.9731 3.451 41.5878 10.4736 3.3185 39.8239 3.1918 37.1988 9.5507...
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