59
9.2.8 P1: High or Low Voltage Protection
Condition: An abnormal voltage rise or drop was detected by the specified voltage
detection circuit.
Possible Causes:
- Power supply faulty
- Refrigerant system faulty (i.e. leakage/blockage)
- PCB faulty
Check the power supply
Check the connections and
wires
Stop the unit
No
Yes
No
Correct the connections or
replace the wires.
Yes
Replace the reactor
Yes
No
Replace the IPM board
Check the voltage between P
and N
Check the reactor
Yes
No
Replace outdoor main PCB
Measuring the DC Voltage between P and N Port
The normal voltage value should be around 310V.
P
N
Check the voltage between P
and N. Refer to the section 9.3.5.
Содержание 12H47YIMI
Страница 10: ...10 1080 mm 226 mm 335 mm 30H48ZIMI 49 57 1259 mm 11 1 282 mm 14 25 362 mm 36H46ZIMI...
Страница 19: ...19 Model Voltage V Capacity BTU Type 12H47ZOMI 230 12 000 HEAT PUMP...
Страница 20: ...20 Model Voltage V Capacity BTU Type 18H47ZOMI 230 18 000 HEAT PUMP 24H46ZOMI 230 24 000 HEAT PUMP...
Страница 21: ...21 Model Voltage V Capacity BTU Type 30H48ZIMI 230 30 000 HEAT PUMP 36H46ZIMI 230 36 000 HEAT PUMP...
Страница 55: ...55 Note The pictures below are only for reference they may be not same as the ones on your unit P U P V...
Страница 56: ...56 P W N U...
Страница 57: ...57 N V N W...
Страница 82: ...82 7 Then lift the PCB assembly off the unit NOTE All wires are still connected...
