Removing Heat Exchanger - Hitachi RCI-1.0FSN3 Service Manual

10 Servicing

10.9.10 Removing Heat Exchanger

D A N G E R
TURN OFF all power source switches.
C A U T I O N
• Recover the refrigerant from the unit before the work. After all the refrigerant is recovered, turn OFF all power source
switches.
• Make sure that the unit will not be damaged. If having difficulty in performing the work alone, the work shall be taken
by two people.
• Take special care not to be injured by the heat exchanger fins.
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For RPK-(0.8-1.5)FSN(H)3M
1 Remove the power source wiring, the transition wiring and the wiring for the remote control switch.
2 Push the portion indicated by "PUSH" on the underside of the unit to release the catches at the lower part of the unit.
3 Remove the flare nuts attached to the rear piping of the heat exchanger to disconnect the pipings. Then lift the indoor
unit up and draw it frontward to remove it.
4 Remove the front panel according to the "Removing Front Panel" chapter.
5 Remove the electrical box according to the "Removing Electrical Box" chapter.
6 Remove the drain pan according to the "Removing Drain Pan" chapter.
7 Release 2 catches on the inside of the piping holder at the rear side of the indoor unit and remove the piping holder.
8 Remove 1 screw fixing the right side of the heat exchanger. Then remove 2 screws fixing the left side of the heat
exchanger.
Front Side of Indoor Unit (The figures above show the examples with the piping for heat exchanger removed.)
Catches for Piping Holder
377
SMGB0077 rev.0 - 01/2013
Piping Holder
Connected
Pipings
Rear Piping of
Heat Exchanger
Fixing Screw
for Heat Exchanger
Rear Side of Indoor Unit
Fixing Screw
for Heat Exchanger
10