Aqua Mini Full DC Inverter Unitary Chiller 50Hz
83
E4 malfunction : T3,T4 sensor malfunction
HH malfunction : Inlet water temperature sensor malfunction for 5/7kW models.
C0 malfunction : Inlet water temperature sensor malfunction for 10-16kW models.
EC malfunction: Outlet water temperature sensor malfunction for 5/7kW models.
C1 malfunction: Outlet water temperature sensor malfunction for 10-16kW models.
C0 malfunction: Temperature sensor malfunction of plate heat exchanger for 5/7kW models
F7 malfunction: Sensor temperature 1 of plate heat exchangers for 10-16kW.
F8malfunction: Sensor temperature 2 of plate heat exchangers for 10-16kW.
T3: outlet temperature of outdoor heat exchanger
T4: outdoor ambient temperature
E5 malfunction: Voltage protection malfunction
LED displays E4/HH/EC/C0/C1/F7/F8
Judge whether the wire body is broken and the terminal is fall off.
Replace main PCB.
LED displays E5
Voltage protection
Judge whether the input voltage is within 198-252V
.
NO
Check the power supply.
YES
Replace main PCB.
Whether sensor fails to work.
Connect wire again.
YES
NO
Judge whether the port of temperature sensor connected wrong.
YES
Connect properly again.
NO
NO
NO
Use a multi-meter to check the resistance value of the temperature sensor
is normal or not.
YES
Replace temperature sensor.
Summary of Contents for MGRH10A-PA1Z
Page 16: ...Aqua Mini Full DC Inverter Unitary Chiller 50Hz 16 7 Wiring Diagram MGRH5A PA1Z MGRH7A PA1Z...
Page 17: ...Aqua Mini Full DC Inverter Unitary Chiller 50Hz 17 MGRH10A PA1Z...
Page 18: ...Aqua Mini Full DC Inverter Unitary Chiller 50Hz 18 MGRH12A PA3Z MGRH14A PA3Z MGRH16A PA3Z...
Page 29: ...Aqua Mini Full DC Inverter Unitary Chiller 50Hz 29 MGRH12A PA3Z MGRH14A PA3Z...
Page 30: ...Aqua Mini Full DC Inverter Unitary Chiller 50Hz 30 MGRH16A PA3Z...
Page 32: ...Aqua Mini Full DC Inverter Unitary Chiller 50Hz 32 13 Exploded View MGRH5A PA1Z MGRH7A PA1Z...
Page 34: ...Aqua Mini Full DC Inverter Unitary Chiller 50Hz 34 MGRH10A PA1Z...
Page 36: ...Aqua Mini Full DC Inverter Unitary Chiller 50Hz 36 MGRH12A PA3Z MGRH14A PA3Z MGRH16A PA3Z...