UPDATED A5 Panasonic technical handbook F 2025 - Flipbook - Page 167
Compressor and 4-way Valve Check
240V 4 Way valve
RAC/ PACi Inverter PCB
Disconnect compressor from PCB
AC 120 ± 20V
on each cable outlet
U - V - W across each other.
U-V
W-V
U-W
4 Way valve
§ Energised in Heating
§ CN-HOT(CN20S) terminal 1 to 3,
Voltage approx AC + 240V
§ Coil resistance 1.3 to 1.6 K'
167