26.4 To Remove RCCB
2. Disconnect lead wires
(Black and White) from
the RCCB.
3. Remove screw to
remove the RCCB.
26.5 To Remove Electronic Controller
1. Disconnect all connectors from
main PCB, CN-FLWSEN, CN-PUMP1,
CN-TH1, CN-TH2, CN-TH3, CN-OLP1,
CN1, CN2, CN3, CN4, CN5, CN6.
Detach all wires, REMOTE
CONTROLLER, 3 WAY VALVE,
AC1-L3, AC1-N, G01, DATA, G02, L2,
L1, G03, HT1-L3, AC2-L3, AC2-N2, AC2-N3.
RCCB
Control Board Cover
1. Remove 6 screws to remove
the Control Board Cover.
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