MrCool Easy Pro EZPRO HP-WMAH-115D25-O Series Service Manual
  1. Manuals
  2. Brands
  3. MrCool Manuals
  4. Air Conditioner
  5. DIY HP-WMAH-115D25-O Series
  6. Service manual
MrCool Easy Pro EZPRO HP-WMAH-115D25-O Series Service Manual

MrCool Easy Pro EZPRO HP-WMAH-115D25-O Series Service Manual

Hide thumbs Also See for Easy Pro EZPRO HP-WMAH-115D25-O Series:
Table of Contents

Advertisement

Quick Links

Download this manual
MODELS:
EZPRO-*-HP-WMAH-115D25-O
EZPRO-*-HP-WMAH-230D25-O
EZPRO-*-HP-C-115D25-O
EZPRO-*-HP-C-230D25-O
Read this manual carefully before installation and keep it where
the operator can easily find it for future reference.
Due to updates and constantly improving performance, the
information and instructions within this manual are subject to
change without notice.
Version Date: April 22, 2025
Please visit www.mrcool.com/documentation
to ensure you have the latest version of this manual.
This product utilizes R-454B refrigerant
Easy Pro
SERVICE MANUAL
®

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the Easy Pro EZPRO HP-WMAH-115D25-O Series and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for MrCool Easy Pro EZPRO HP-WMAH-115D25-O Series

Summary of Contents for MrCool Easy Pro EZPRO HP-WMAH-115D25-O Series

  • Page 1 Due to updates and constantly improving performance, the information and instructions within this manual are subject to change without notice. Version Date: April 22, 2025 Please visit www.mrcool.com/documentation to ensure you have the latest version of this manual.

  • Page 2: Table Of Contents

    5.4 Error Diagnosis Without Error Code ..............50 5.5 Quick Maintenance by Error Code ..............57 5.6 Troubleshooting by Error Code ............... 58 5.7 Check Procedures ....................80 TEMPERATURE SENSOR RESISTANCE TABLE ............... 87 SYSTEM PRESSURE TABLE ....................89 mrcool.com...

  • Page 3: Safety

    8. For units with a wireless network function, the USB device access, replacement, and maintenance operations must be carried out by professional staff. 9. Refer to details further in this manual regarding installing the unit to its support. mrcool.com...
  • Page 4 Call your local dealer, or MRCOOL® tech support at (270) 366-0457, for further assistance. 2. If the air conditioner is used together with burners or other heating devices, thoroughly ventilate the room in order to avoid an oxygen deficiency.
  • Page 5 3. Service, maintenance, and repair of this unit must be performed by a certified technician. 4. Product un-installation and recycling must be performed by a certified technician. 5. When checking the unit for leaks, maintain proper record-keeping of all checks. mrcool.com...
  • Page 6 22. Ensure that the area is in the open or that it is adequately ventilated before breaking into the system or conducting any hot work. A degree of ventilation shall continue during the period that the work is carried out. The ventilation should safely disperse any released refrigerant and preferably expel it externally into the atmosphere. mrcool.com...
  • Page 7 The following procedure should be adhered to: • safely remove refrigerant following local and national regulations; • evacuate; • purge the circuit with inert gas; • evacuate; • continuously flush or purge with inert gas when using flame to open circuit; • open the circuit mrcool.com...
  • Page 8 Equipment shall be labeled stating that it has been decommissioned and emptied of refrigerant. The label should be dated and signed. For appliances containing flammable refrigerants, ensure that there are labels on the equipment stating the equipment contains flammable refrigerant. mrcool.com...
  • Page 9 This symbol shows that the operation manual should be read carefully. CAUTION This symbol shows that a service personnel should be handling this equipment with reference to the installation manual. CAUTION This symbol shows that information is available such as the operating manual or CAUTION installation manual. mrcool.com...
  • Page 10 Anvmin shall not be less than the following: • Height of Outlet/m Mc/kg Mmax/kg Anvmin/m 2.685 0.045 2.941 0.042 3.177 0.038 3.396 0.035 3.602 0.031 3.797 0.028 3.983 0.024 4.160 0.020 4.330 0.016 4.493 0.013 4.651 0.009 4.803 0.005 4.951 0.001 mrcool.com...

  • Page 11: System Overview

    Oil traps in the rising gas pipe can prevent this. • An oil trap should be installed every 20ft (6m) of vertical suction line. • An oil trap should be installed every 32.8ft (10m) of vertical suction line. mrcool.com...

  • Page 12: Air Velocity And Temperature Distributions

    SYSTEM OVERVIEW 2.3 Air Velocity and Temperature Distributions EZPRO-09-HP-WMAH-115D-O: Cooling (Indoor: 80.6°F /27°C Outdoor: 95°F /35°C) Discharge angle 58° Airflow Velocity Distributions Temperature Distributions mrcool.com...
  • Page 13 SYSTEM OVERVIEW EZPRO-09-HP-WMAH-115D-O: Heating (Indoor: 68°F /20°C Outdoor: 44.6°F /7°C) Discharge angle 90° Airflow Velocity Distributions Temperature Distributions mrcool.com...
  • Page 14 SYSTEM OVERVIEW EZPRO-12-HP-WMAH-115D-O: Cooling (Indoor: 80.6°F /27°C Outdoor: 95°F /35°C) Discharge angle 58° Airflow Velocity Distributions Temperature Distributions mrcool.com...
  • Page 15 SYSTEM OVERVIEW EZPRO-12-HP-WMAH-115D-O: Heating (Indoor: 68°F /20°C Outdoor: 44.6°F /7°C) Discharge angle 90° Airflow Velocity Distributions Temperature Distributions mrcool.com...
  • Page 16 SYSTEM OVERVIEW EZPRO-18-HP-WMAH-230D-O: Cooling (Indoor: 80.6°F /27°C Outdoor: 95°F /35°C) Discharge angle 50° Airflow Velocity Distributions Temperature Distributions mrcool.com...
  • Page 17 SYSTEM OVERVIEW EZPRO-18-HP-WMAH-230D-O: Heating (Indoor: 68°F /20°C Outdoor: 44.6°F /7°C) Discharge angle 84° Airflow Velocity Distributions Temperature Distributions mrcool.com...
  • Page 18 SYSTEM OVERVIEW EZPRO-24-HP-WMAH-230D-O: Cooling (Indoor: 80.6°F /27°C Outdoor: 95°F /35°C) Discharge angle 50° Airflow Velocity Distributions Temperature Distributions mrcool.com...
  • Page 19 SYSTEM OVERVIEW EZPRO-24-HP-WMAH-230D-O: Heating (Indoor: 68°F /20°C Outdoor: 44.6°F /7°C) Discharge angle 77° Airflow Velocity Distributions Temperature Distributions mrcool.com...

  • Page 20: Refrigerant Cycle Diagrams

    SYSTEM OVERVIEW 2.4 Refrigerant Cycle Diagrams EZPRO-09-HP-C-115D-O, EZPRO-09-HP-WMAH-115D-O EZPRO-12-HP-C-115D-O, EZPRO-12-HP-WMAH-115D-O EZPRO-18-HP-C-230D-O , EZPRO-18-HP-WMAH-230D-O mrcool.com...
  • Page 21 SYSTEM OVERVIEW EZPRO-24-HP-C-230D-O, EZPRO-24-HP-WMAH-230D-O mrcool.com...

  • Page 22: Electrical Wiring Diagrams

    ODU Model ODU Wiring Diagram EZPRO-09-HP-WMAH-115D-O EZPRO-09-HP-C-115D-O 16022000040773 EZPRO-12-HP-WMAH-115D-O 16022000040253 EZPRO-12-HP-C-115D-O EZPRO-18-HP-WMAH-230D-O EZPRO-18-HP-C-230D-O 16022000040610 EZPRO-24-HP-WMAH-230D-O 16022000040232 EZPRO-24-HP-C-230D-O 16022000040790 Outdoor Unit Printed Circuit Board Diagram: Outdoor Unit ODU Model ODU Printed Circuit Board EZPRO-09-HP-C-115D-O 17122000062141 EZPRO-12-HP-C-115D-O EZPRO-18-HP-C-230D-O 17122000057661 EZPRO-24-HP-C-230D-O 17122000048064 mrcool.com...
  • Page 23 SYSTEM OVERVIEW Indoor unit wiring diagram: 16022000040253 mrcool.com...
  • Page 24 SYSTEM OVERVIEW Outdoor unit wiring diagram: 16022000040232 mrcool.com...
  • Page 25 SYSTEM OVERVIEW Outdoor unit wiring diagram: 16022000040773 mrcool.com...
  • Page 26 SYSTEM OVERVIEW Outdoor unit wiring diagram: 16022000040610 mrcool.com...
  • Page 27 SYSTEM OVERVIEW Outdoor unit wiring diagram: 16022000040790 mrcool.com...
  • Page 28 SYSTEM OVERVIEW Outdoor unit printed circuit board diagram: 17122000062141 mrcool.com...
  • Page 29 L_in: connects to L-line (115VAC input) CN1A N_in: connects to N-line (115VAC input) Earth Connects to compressor .0VAC (standby), 0-310VAC CN50 (running) CN4_2 REACTOR Connects to reactor, 115VAC when is ON CN4_3 Note: This section is for reference only. Please take practicality as standard. mrcool.com...
  • Page 30 SYSTEM OVERVIEW Outdoor unit printed circuit board diagram: 17122000057661 mrcool.com...
  • Page 31 CN16 S: connects to indoor unit communication L_in: connects to L-line (230VAC input) CN1A N_in: connects to N-line (230VAC input) Earth CN50 Connects to compressor (Output: 0-310VAC) Note: This section is for reference only. Please take practicality as standard. mrcool.com...
  • Page 32 SYSTEM OVERVIEW Outdoor unit printed circuit board diagram: 17122000048064 & 17122000048066 mrcool.com...
  • Page 33 Used for testing FAN_IPM IPM501 IPM for DC fan COMP_IPM IPM1 IPM for compressor CN27 CN28 Connects to compressor (Output: 0~310VAC) CN29 EE_PORT CN505 EEPROM programmer port Note: This section is for reference only. Please take practicality as standard. mrcool.com...

  • Page 34: Product Features

    Preheating is automatically activated when T4 sensor is lower than setting temperature. Sensor redundancy and automatic shutoff • If one temperature sensor malfunctions, the air conditioner continues operation and displays the corresponding error code, allowing for emergency use. • When more than one temperature sensor is malfunctioning, the air conditioner ceases operation. mrcool.com...

  • Page 35: Basic Functions

    The indoor fan speed can be set to 1%-100%, or auto. • The louver operations are identical to those in cooling mode. • Auto fan: In fan-only mode, AC operates the same as auto fan in cooling mode with the temperature set at 75°F (24°C). (Tsc=75°F (24°C)). mrcool.com...

  • Page 36: Indoor Fan Control

    For AC Fan Motor Units: a configured value, the compressor ceases operation. Evaporator Temperature Protection: • Off: Compressor stops. • Decrease: Decreases the running frequency to lower level per 1 minute. • Hold: Keep the current frequency. • Resume: No limitation for frequency. mrcool.com...
  • Page 37 T1 and indoor unit coil temperature T2. Outdoor Fan Control: • The outdoor unit will be run at different fan speeds according to T4 and compressor running frequency. • For different outdoor units, the fan speeds are different. mrcool.com...

  • Page 38: Defrosting Mode

    • In condition 1~5 if any of the following heating, auto-drying, or fan-only mode on conditions are satisfied the defrost cycle ends the basis of T1, Ts, T4 and relative humidity. and the machine switches to normal heating mode. mrcool.com...

  • Page 39: Drying Mode

    • Timer on • Timer off • The timer setting is available in this mode. • Sleep mode • Follow me • Changes in: • Mode • Fan Speed • Setting temperature mrcool.com...

  • Page 40: Auto Restart Function

    Silence Press "Silence" on the remote control to enable the SILENCE function. While this function is active, the indoor unit will run at a faint breeze (1% fan speed), which reduces noise to the lowest possible level. mrcool.com...

  • Page 41: Maintenance

    11. Use a torque wrench to tighten the caps to a scale and record the starting weight. torque spec of 13.28ft. lbs (18Nm). 7. Fully open the Handle Lo manifold valve, 12. Check for any leaks. 2-way and 3-way valves. mrcool.com...

  • Page 42: Troubleshooting

    After maintenance is completed, insert the female end back into the port. Note: This picture is for reference only. Actual appearance may vary. LED Flash Frequency: mrcool.com...

  • Page 43: Error Display (Indoor Unit)

    Test the unit using the remote control. If the unit does undefined by the service manual. Ensure that this code is not respond to the remote, the indoor PCB requires not a temperature reading. replacement. If the unit responds, the display board requires replacement. mrcool.com...
  • Page 44 Code of Outdoor Error Code of Indoor Unit Unit does not start Remote Control does not work Indoor display shows nothing No Cooling or Heating at all Less Cooling or Heating Unit Starts but Stops Shortly High noise High Vibration mrcool.com...
  • Page 45 Compressor Current Outdoor AC Voltage Indoor Capacity Test Reserve Outdoor Fan Speed EXV Opening Steps Indoor Fan Speed Indoor Humidity Adjusted Setting Temperature Reserve Reserve Reserve GA algorithm Frequency Approval From Manufacture □ Approved □ More Proof Needed □ Rejected mrcool.com...

  • Page 46: Information Inquiry & Setting

    Temperature can be memorized when the remote control is power on and TP Temperature power lost; and press "ON/OFF" for 2s to exit. When the remote control does not burn any parameters, the max. set temperature will not be memorized. (Set within 1 minute after power is on) mrcool.com...
  • Page 47 Indoor Target Frequency press the UP/DOWN key to select the cooling frequency threshold, press "OK" to confirm; and press "ON/OFF" for 2s to exit. (Range: 40, 41,... 83, 84,--, "--" cancels the settings) (set within 1 minute after power is on) mrcool.com...
  • Page 48 When the setting is successful, "CS" will be displayed; When the setting fails, "CF" will be displayed. Exit of Engineer Mode: 1. In engineer mode, press the key combination of "ON/OFF + Air Speed" for 2s. 2. The engineer mode will be exited if there are no valid key operations for continuous 60s. mrcool.com...
  • Page 49 ODU main control board DC bus high voltage protection PC 12 ODU main control board DC bus low voltage protection/341 MCE error PC 02 Compressor top (or IPM) temp. Protection PC 40 Communication error between outdoor main chip and compressor driven chip mrcool.com...
  • Page 50 Voltage freq. limited LC 03 Current freq. limited LC 06 IPM module temp. freq. limited LC 30 High pressure freq. limited LC 31 Low pressure freq. limited LH 07 Remote control frequency limitation in effect IDUs mode conflict (multi-zone) mrcool.com...

  • Page 51: Error Diagnosis Without Error Code

    Compressor short-cycles due to overload TS17-TS18 High suction pressure TS17-TS18 Low discharge pressure TS17-TS18 High suction pressure TS17-TS18 Low suction pressure TS17-TS18 Unit runs continuously but insufficient cooling TS17-TS18 Too cool TS17-TS18 Compressor is noisy TS17-TS18 Horizontal louver cannot revolve TS17-TS18 mrcool.com...
  • Page 52 Unit runs but shortly √ √ √ stops The unit startup and √ √ √ stops frequently Unit runs continuously but √ √ √ √ √ insufficient cooling/ heating Cool cannot change to heat Unit is noisy Test method/ remedy mrcool.com...
  • Page 53 Unit is on but the air is not cold/hot Unit runs but shortly stops The unit startup and √ stops frequently Unit runs continuously but √ √ √ insufficient cooling/ heating Cool cannot change to heat Unit is noisy √ √ Test method/ remedy mrcool.com...
  • Page 54 Condenser fan will not start Unit runs but √ √ √ √ √ √ shortly stops Compressor short-cycles √ √ √ due to overload High discharge √ √ √ √ √ √ pressure Low discharge √ √ pressure Test method/ remedy mrcool.com...
  • Page 55 √ √ √ √ √ √ √ √ √ √ √ insufficient cooling Too Cool X X X Compressor is X X X √ √ √ √ √ noisy Horizontal louver X X X cannot revolve Test method/ remedy mrcool.com...
  • Page 56 Air handler fan will √ √ √ √ not start Condenser fan will √ √ √ √ √ not start Unit runs but √ √ shortly stops Compressor short-cycles due to √ √ overload High discharge pressure Low discharge pressure Test method/ remedy mrcool.com...
  • Page 57 TROUBLESHOOTING 2. Field Electrical Circuit Maintenance Possible causes of trouble High suction pressure Low suction pressure Unit runs continuously but insufficient cooling Too cool √ √ Compressor is noisy Horizontal louver √ √ √ can not revolve Test method/ remedy mrcool.com...

  • Page 58: Quick Maintenance By Error Code

    √ √ √ √ Outdoor Fan Motor √ T3 Sensor √ T4 Sensor √ TP Sensor √ Reactor √ √ Compressor √ √ √ √ IPM Module Board √ High Pressure Protector √ Low Pressure Protector √ Additional Refrigerant mrcool.com...

  • Page 59: Troubleshooting By Error Code

    EEPROM: A read-only memory whose contents can be erased and reprogrammed using a puled voltage. The location of the EEPROM chip on the indoor PCB is shown in the following image: Note: These pictures are for reference, actual appearance may vary. mrcool.com...
  • Page 60 EEPROM: A read-only memory whose contents can be erased and reprogrammed using a puled voltage. The location of the EEPROM chip on the outdoor PCB is shown in the following image: Note: This picture is for reference only, actual appearance may vary. mrcool.com...
  • Page 61 TROUBLESHOOTING TS02-S-INV: IDU & ODU 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: mrcool.com...
  • Page 62 Use a multimeter to test the resistance of the reactor which does not connect with the capacitor. • The normal value should be around zero ohms. Otherwise the reactor has a malfunction. Note: The picture and the value are for reference only, actual appearance and values may vary. mrcool.com...
  • Page 63 Recommended parts to prepare: • Connection wires • Indoor main PCB Troubleshooting and repair: Note: Zero crossing detection error is only valid for the unit with AC fan motor, for other models, this error is invalid. mrcool.com...
  • Page 64 Description: When the indoor fan speed keeps too low or too high for a period of time the LED displays the failure code and the AC turns off. Recommended parts to prepare: • Connection wires • Fan assembly • Fan motor • Indoor main PCB Troubleshooting and repair: mrcool.com...
  • Page 65 Power on and set the unit running in fan mode at high fan speed. After running for 15 seconds, measure the voltage of pin1 and pin2. If the value of the voltage is less than 100V (208~240V power supply) or 50V (115V power supply) the PCB has problems and will need to be replaced. mrcool.com...
  • Page 66 Description: When the outdoor fan speed keeps too low or too high for a certain time, the LED displays the failure code and the system turns off. Recommended parts to prepare: • Connection wires • Fan assembly • Fan motor • Outdoor main PCB Troubleshooting and repair: mrcool.com...
  • Page 67 If the value of the voltage is not in the range showing in below table the PCB has a problem and needs to be replaced. Color Signal Voltage Vs/Vm 192V~380V Black White 13.5-16.5V Yellow 0~6.5V Blue 13.5-16.5V mrcool.com...
  • Page 68 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 • Sensors • Indoor main PCB Troubleshooting and repair: Note: The picture and the value are for reference only, actual appearance and values may vary. mrcool.com...
  • Page 69 • Outdoor main PCB Troubleshooting and repair: Note: For certain models the outdoor unit will use a combination sensor, T3, T4 and TP are the same sensor. This picture and value are for reference only, actual appearance and value may vary. mrcool.com...
  • Page 70 Description: Judging the abnormality of the refrigeration system according to the number of compressor as well as the changes in the operating parameters caused by excessive exhaust temperature. Recommended parts to prepare: • Indoor PCB • Additional refrigerant Troubleshooting and repair: mrcool.com...
  • Page 71 TROUBLESHOOTING 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: mrcool.com...
  • Page 72 Description: The indoor unit receives a fault signal for 10s or the indoor unit does not receive feedback from the refrigerant sensor for 150s. Recommended parts to prepare: • Connection wires • Sensors • Indoor main PCB Troubleshooting and repair: mrcool.com...
  • Page 73 APP, and so on to eliminate the alarm) and any other non- refrigerant leakage fault the indoor unit will only display ECC1 and the buzzer will not make a sound. Recommended parts to prepare: • Additional refrigerant Troubleshooting and repair: mrcool.com...
  • Page 74 Description: When the voltage signal the IPM sends to the compressor drive chip is abnormal the LED displays a fault code and the system turns off. Recommended parts to prepare: • Connection wires • IPM module board • Outdoor fan assembly • Compressor • Outdoor PCB Troubleshooting and repair: mrcool.com...
  • Page 75 TS10-S: ODU 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 • PCM • Reactor Troubleshooting and repair: mrcool.com...
  • Page 76 Description: If the temperature of the IPM module is higher than a certain value the LED displays a fault code. Recommended parts to prepare: • Connection wires • Outdoor PCB • IPM module board • High pressure protector • System blockages Troubleshooting and repair: mrcool.com...
  • Page 77 Description: An abnormal inverter compressor drive is detected by a special detection circuit including communication signal detection, voltage detection, compressor rotation speed signal detection, etc. Recommended parts to prepare: • Connection wires • Outdoor PCB • IPM module board • Outdoor fan assembly • Compressor Troubleshooting and repair: mrcool.com...

  • Page 78: Troubleshooting And Repair

    638 PSI.(4.4MPa)). Or the outdoor pressure switch cut off the system due to low pressure (if the pressure is lower than 18.85 PSI.(0.13MPa) the LED will display a fault code. Recommended parts to prepare: • Connection wires • Outdoor PCB • Refrigerant • Pressure switch • Outdoor fan Troubleshooting and repair: mrcool.com...
  • Page 79 TROUBLESHOOTING TS26-INV Cont. mrcool.com...
  • Page 80 When the compressor is on and the outdoor ambient temperature (T4) is lower than -40°F (-40°C) for 10s the system will stop and display the fault code. When the outdoor ambient temperature (T4) is no lower than -25.6°F (-32°C) for 10s, the unit will exit protection. mrcool.com...

  • Page 81: Check Procedures

    1. Disconnect the temperature sensor from the PCB. 2. Measure the resistance value of the sensor using a multi-meter. 3. Check corresponding temperature sensor resistance value table. Note: The picture and the value are for reference only, actual condition and specific values may vary. mrcool.com...
  • Page 82 KTN110D42UFZ KSN140D21UFZ KTM140D78UFZ3 Blue-Red 1.86±5%Ω 1.82±5%Ω 1.28±5%Ω 1.5±5%Ω Blue-Black (at 68°F (20°C)) (at 68°F (20°C)) (at 68°F (20°C)) (at 68°F (20°C)) Red-Black KTF235D22UMT Resistance Value ATF235D22TMT KTM240D46UKT2 KTF250D22UMT Blue-Red 0.75±5%Ω 1.04±5%Ω Blue-Black (at 68°F (20°C)) (at 68°F (20°C) Red-Black mrcool.com...
  • Page 83 (at 68°F (20°C)) (at 68°F (20°C) Red-Black Resistance Value KSK75D33UEZD3 DTN210D54UEZ3 Blue-Red 2.14±5%Ω 2.53±5%Ω Blue-Black (at 68°F (20°C)) (at 68°F (20°C) Red-Black Note: The picture and the value are for reference only, actual condition and specific values may vary. mrcool.com...

  • Page 84: Ipm Continuity Check

    ∞ ∞ (Several M±5%Ω) (Several M±5%Ω) Or test the conductivity of IPM with diode mode: Needle-type Tester Needle-Type Tester Normal Value Normal Value Black Black Open-Circuit 0.3-0.5V Needle-type Tester Needle-Type Tester Normal Value Normal Value Black Black 0.3-0.5V Open-Circuit mrcool.com...
  • Page 85 1. Power on and use a digital tester to measure the voltage. When the unit operates in cooling it is 0V, when the unit operates in heating it is about 230VAC. If the value of the voltage is not in range the PCB has problems and needs to be replaced. mrcool.com...
  • Page 86 TROUBLESHOOTING 2. Turn the power off and use a digital tester to measure the resistance. The value should be 1.8~2.5 K±5%Ω. mrcool.com...
  • Page 87 1. Disconnect the connector from the outdoor PCB. 2. Measure the resistance value of each winding using a multi-meter. 3. Check the resistance value of each winding in the following table. Color of Lead Winding Normal Value Red-Blue Red-Yellow About 50Ω Brown-Orange Brown-White mrcool.com...

  • Page 88: Temperature Sensor Resistance Table

    5.488 1.762 21.26 5.32 1.171 115.2 20.46 5.157 1.674 109.8 19.69 1.632 104.6 18.96 4.849 99.69 18.26 4.703 95.05 17.58 4.562 90.66 16.94 4.426 86.49 16.32 4.294 82.54 15.73 4.167 78.79 15.16 4.045 75.24 14.62 3.927 71.86 14.09 3.812 mrcool.com...
  • Page 89 3.45097 0.8795 0.2777 19.6891 3.31847 0.85248 0.27078 18.7177 3.19183 0.82643 0.26408 17.8005 3.07075 0.80132 0.25757 16.9341 2.95896 0.77709 0.25125 16.1156 2.84421 0.7537 0.24512 15.3418 2.73823 0.73119 0.23916 14.6181 2.63682 0.68844 0.23338 13.918 2.53973 0.66818 0.22776 13.2631 2.4467 0.64862 0.22231 mrcool.com...

  • Page 90: System Pressure Table

    372.84 114.8 350.54 3.51 50.84 -5.8 2632.1 26.32 381.74 116.6 364.08 3.64 52.80 2694.7 26.95 390.82 118.4 378.02 3.78 54.83 -2.2 2758.33 27.58 400.04 120.2 392.37 3.92 56.91 -0.4 2823.2 28.23 409.46 407.13 4.07 59.05 2889.3 28.89 419.04 123.8 mrcool.com...
  • Page 91 638.56 802.08 8.02 116.33 37.4 4498.7 44.99 652.46 159.8 827.47 8.27 120.01 39.2 4596.5 45.97 666.64 161.6 853.49 8.53 123.78 4696.5 46.97 681.15 163.4 880.11 8.80 127.64 42.8 4798.9 47.99 696.00 165.5 907.35 9.07 131.60 44.6 4904.1 49.04 711.25 mrcool.com...
  • Page 92 Advantage Series The design and specifications of this product and/or manual are subject to change without prior notice. Consult with the sales agency or manufacturer for details.

This manual is also suitable for:

Easy pro ezpro hp-wmah-230d25-o seriesEasy pro ezpro hp-c-115d25-o seriesEasy pro ezpro hp-c-230d25-o seriesEasy pro ezpro-09-hp-wmah-115d-oEasy pro ezpro-09-hp-c-115d-oEasy pro ezpro-12-hp-wmah-115d-o ... Show all

Table of Contents