Panasonic CS-VE9NKE / CS-VE12NKE / CU-VE9NKE / CU-VE12NKE Service Manual ▷ View online
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16.2 Points of Disassembly (Outdoor Unit)
16.2.1 Removing the Outer Top Panel and Outer Front Panel
1 Remove the screws of the outer top panel.
o
Remove 2 screws on the right, 2 screws on the left and 1 screw on the front side, all from the front view.
Then, remove the outer top panel.
Then, remove the outer top panel.
2 Remove the screws of the outer front panel.
o
Remove 2 screws on top, 3 screws at the bottom and 1 screw on the right side, all from the front view.
CAUTION: HIGH VOLTAGE
The electrical components of the outdoor unit are under high voltage
by the operation of the booster capacitor. Fully discharge the
capacitor before commencing a repair work. Failure to observe this
warning could result in electric shock.
by the operation of the booster capacitor. Fully discharge the
capacitor before commencing a repair work. Failure to observe this
warning could result in electric shock.
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3 Disengage the tabs on the outer front panel (3 locations on the left side and 1 location on the right side).
Remove the outer front panel while pulling it slightly up.
16.2.2 Removing the Electrical Component Covers (2 & 3-way valve Cover and Terminal
Plate Cover)
1 Remove the screw (1 piece) of the electrical component cover (2 & 3-way valve cover). Slide the electrical
component cover (2 & 3-way valve cover) downward to remove it.
2 Remove the screws (2 pieces) and disengage the tabs (2 locations) of the electrical component cover
(terminal plate cover). Then, remove the electrical component cover (terminal plate cover).
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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
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
o
Lead wires of the compressor (red, blue and yellow) ･････ Disconnect the intermediate connector (white)
of the compressor lead wires.
of the compressor lead wires.
o 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 charger tank temperature sensor
Wiring from left side
o CN-MTR1
(white)
･････
Outdoor motor
o CN-MTR2
(white)
･････
Outdoor motor
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. 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
o 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-
way valve coil (yellow)
way valve coil (yellow)
o
Lead wire of the electromagnetic coil (2-way valve V2) ･････ Intermediate connector for the heat
charger tank 2-way valve coil (blue)
charger tank 2-way valve coil (blue)
o CN-TH3
(blue)
･････
Outdoor heat exchanger temperature sensor 2
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6 Disconnect the connector of the indoor/outdoor connection wires (red, white and black) and remove the fixing
screw of the earth wire (green).
7 Remove the screw (1 piece) which fixes the power-supply box to the outer side panel (right).
8 Pull the outer side panel (right) towards you while pulling up the fixing tab (1 location) of the powersupply box
to disengage the tab.
9 Lift up the power-supply box to remove it.
16.2.4 Removing the Control Board
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
2 Perform “16.2.2 Removing the Electrical Component Covers (2 & 3-way valve Cover and Terminal Plate
Cover)”.
3 Perform “16.2.3 Removing the Power-Supply Box”.
4 Disengage the tabs (6 locations) and remove the metal cover.
4 Disengage the tabs (6 locations) and remove the metal cover.
Notes on disassembly: During the replacement of outdoor control board, the control board and plastic
power-supply box are separated by removing the screws (2 pieces) on the soldered surface. These two
parts can be replaced as an integrated piece by applying silicon to them.
parts can be replaced as an integrated piece by applying silicon to them.
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