Panasonic CS-VE9NKE / CS-VE12NKE / CU-VE9NKE / CU-VE12NKE Service Manual ▷ View online
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7 Remove the acoustic insulation material and then remove the nuts which fix the compressor (2 locations).
(The heat charger tank is attached to the compressor.)
Note on disassembly: Use a box wrench to remove the nut located on the right side from the front view.
8 Remove the welded parts (4 locations).
o Remove
1
heat charger tank inlet, 2 heat charger tank outlet, 3 suction part and 4 discharge part.
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9 Remove the compressor and heat charger tank.
o
Cut the bands (2 locations) which fix the compressor to the heat charger tank.
o
Remove the clamp and separate the compressor and heat charger tank.
Note on disassembly: Remove the heat charger tank sensor when replacing the heat charger tank.
16.2.8 Heat Charger () Replacement Procedure
16.2.8.1 Preparation
1 Power-off the unit (remove plug and/or etc.,).
2 Collect all refrigerant into the cylinder by reclaiming machine.
3 As brazing work is involved, make sure the workshop and surrounding area is sufficient and safe.
2 Collect all refrigerant into the cylinder by reclaiming machine.
3 As brazing work is involved, make sure the workshop and surrounding area is sufficient and safe.
16.2.8.2 Process
1
(Dismantling of the Parts)
1 Remove control-board cover, top plate and front panel, pull out connecting wire, then remove side panel
(right).
2 Disconnect all connectors connected to control board.
3 Remove solenoid coils of 2-way, 4-way and expansion valves.
4 Disconnect of compressor connector, and remove control board.
3 Remove solenoid coils of 2-way, 4-way and expansion valves.
4 Disconnect of compressor connector, and remove control board.
Heat charger: Part description is heat charge.
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5 Cut off the band (small) for holding soundproof board and heat charger.
6 Remove 4 screws (see figure) and slide soundproof board towards to propeller fan side to remove.
7 Remove soundproof material at upper compressor.
8 Remove discharge pipe sensor.
9 Remove terminal cover from the compressor.
10 Remove 3 lead wires from compressor terminal.
11 Make sure remaining particular plate at the lower compressor terminal are removed.
7 Remove soundproof material at upper compressor.
8 Remove discharge pipe sensor.
9 Remove terminal cover from the compressor.
10 Remove 3 lead wires from compressor terminal.
11 Make sure remaining particular plate at the lower compressor terminal are removed.
12 Release Velcro on front of soundproof material and remove mounting nuts (left & right) for compressor by the
wrench.
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16.2.8.3 Process 2 (Removing Brazing Point)
1 Removing butyl tape from piping prior to removing the brazing point.
Caution
Protection from the brazing flame should be considered during replacing the parts.
Firstly disconnect the pipe which entering to heat charger, discharging from heat charger, compressor
suction and the discharging pipes.
Protection from the brazing flame should be considered during replacing the parts.
Firstly disconnect the pipe which entering to heat charger, discharging from heat charger, compressor
suction and the discharging pipes.
16.2.8.4 Separate Compressor from Heat Charger.
1 Take out blocks of compressor and heat charger from the base pan.
2 Cut off 2 bands (top and bottom) which holding compressor and heat charger, and lift the bracket to remove.
3 Remove the heat transferring sheet from the compressor once separate the heat charger from compressor.
4 Remove the sensor on heat charger by peeling off polyethylene sheet. Keep the sensor for re-use after the
2 Cut off 2 bands (top and bottom) which holding compressor and heat charger, and lift the bracket to remove.
3 Remove the heat transferring sheet from the compressor once separate the heat charger from compressor.
4 Remove the sensor on heat charger by peeling off polyethylene sheet. Keep the sensor for re-use after the
brazing work.
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