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.
75
Содержание SCV-100EA
Страница 1: ...SCV xxEA SERVICE MANUAL AIR COOLED MINI CHILLER UNIT AIR CONDITIONING...
Страница 16: ...7 Wiring Diagram SCV 50EA SCV 70EA 14...
Страница 17: ...SCV 100EA 15...
Страница 18: ...SCV 120EA SCV 140EA SCV 160EA 16...
Страница 28: ...11 Water Pressure Drop SCV 50EA SCV 70EA SCV 100EA Heat exchanger pressure drop water side 26...
Страница 29: ...SCV 120EA SCV 140EA 27...
Страница 30: ...SCV 160EA 28...
Страница 46: ...t e s 1 2 3 3 To access the control panel open the door remove the screw 1 and screw 2 lift the door 3 44...
Страница 88: ...18 Optional Accessories No Name Specification Remark 1 Wired controller KJR 120F Customized 86...
Страница 91: ...Exploded view of unit SCV 50EA 22 7 22 6 22 5 22 4 22 2 22 1 22 3 89...
Страница 94: ...Exploded view of unit SCV 70EA 22 7 22 6 22 5 22 4 22 2 22 1 22 3 92...
Страница 97: ...Exploded view of unit SCV 100EA 25 1 25 2 25 3 25 6 25 7 25 4 25 5 25 9 25 8 95...
Страница 100: ...Exploded view of unit SCV 120EA 25 1 25 2 25 3 25 4 25 5 25 6 25 7 25 9 25 8 25 10 25 11 98...
Страница 103: ...Exploded view of unit SCV 140EA 25 1 25 2 25 3 25 4 25 5 25 6 25 7 25 9 25 8 25 10 25 11 101...
Страница 106: ...Exploded view of unit SCV 160EA 25 1 25 2 25 3 25 4 25 5 25 6 25 7 25 9 25 8 25 10 25 11 104...