Panasonic WH-SHF09F3E5, Service Manual

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17.6 To Remove Transformer and Electronic Controller Board
4. Remove screw to remove
the Electronic Control Board.
1. Disconnect the 2 lead wire
T1, T2 (Black) and connector
CN-T1 (WHT) from the
Electronic Control Board. 3. Disconnect all connectors,
CN-PWR (BLK), SN-SOLAR (WHT),
CN-PUMP2 (WHT), CN-V2 (WHT),
CN-V3 (GRN), CN-RCV2 (WHT),
CN-OLP2 (WHT), CN-TH2 (WHT),
CN-THERMO (WHT), CN-TH3 (WHT),
CN-TH1 (WHT), CN-FLOW (YLW),
CN-REMOTE2 (WHT), CN-OLP1 (WHT),
Disconnect lead wires AC1-L3 (BLK),
AC1-N (WHT), DATA (RED), G02 (GRN),
G01 (GRN), L2 (WHT), L1 (WHT),
G04 (GRN), G03 (GRN), AC2-L2 (YLW),
HT1-L2 (ORG), HT1-L3 (RED),
AC2-L3 (BLK), AC2-N2 (WHT),
ACN-BOOSTER (WHT), ACL3 (BLK),
ACL-BOOSTER (BRN),
ACN-BOOSTER2 (WHT),
ACL-BOOSTER2 (BLK).
2. Remove 3 screws to
remove Transformer.
Electronic Controller Board
Transformer
CN-T1
17.7 To Remove Pressure Relief Valve, Flow Switch and Air Purge Valve
3. Pull outward to remove
Pressure Relief Valve.
5. Turn the Air Purge Valve
anti-clockwise then remove.
Flow Switch
2. Pull down to remove water hose.
1. Remove 2 retaining ring.
Pressure Relief Valve
Air Purge Valve
4. Turn the Flow Switch
anti-clockwise then remove
Flow Switch.
When reinstall Flow Switch, ensure the arrow on the flow switch is parallel with the pipe shaft and is facing in
the direction of flow.