Panasonic CS-VE9NKE Service Manual page 112

16.2.3 Removing the Power-Supply Box
1 Perform "16.2.1 Removing the Outer Top Panel and Outer Front Panel".
2 Perform "16.2.2 Removing the Electrical Component Covers (2 & 3-way valve Cover and Terminal Plate
Cover)".
3 Disengage 4 tabs of the electrical component cover (the top cover of the control board) (2 locations each on
the right and left sides). Remove the electrical component cover (the top cover of the control board).
4 Remove the fixing screw (1 piece) of the power-supply box and the fixing screw (1 piece) of the powersupply
box cover.
5 Disconnect the connectors and terminals.

Wiring from down side
Lead wires of the compressor (red, blue and yellow) ･････ Disconnect the intermediate connector (white)
o
of the compressor lead wires.
CN-HOT (white) ･････ Electromagnetic coil (4-way valve) Wire color: Yellow
o
2 wires of the reactor connecting terminal Wire color: Gray and white
o
CN-TANK (white) ･････ Compressor temperature sensor
o
CN-TH2 (red) ･････Outdoor heat storage tank temperature sensor
o

Wiring from left side
CN-MTR1 (white) ･････Outdoor motor
o
CN-MTR2 (white) ･････Outdoor motor
o

Notes on assembly: When performing the wiring for the outdoor motor during replacement of the control
board, close the top cover of the control board before connecting the connectors of CN-MTR1 & 2 for
wiring. If the wiring is performed without closing the top cover of the control board, the wire may get
pinched while closing the cover.

Wiring from right side
CN-STM (white) ･････ Electromagnetic coil (expansion valve)
o
CN-TH1 (white) ･････ Outside air temperature and pipe temperature sensor
o
Lead wire of the electromagnetic coil (2-way valve V1) ･････ Intermediate connector for the defrosting 2-
o
way valve coil (yellow)
Lead wire of the electromagnetic coil (2-way valve V2) ･････ Intermediate connector for the heat storage
o
tank 2-way valve coil (blue)
CN-TH3 (blue) ･････ Outdoor heat exchanger temperature sensor 2
o
112