Mitsubishi Heavy Industries FDT100VNAWVH Service Manual page 177

The electrical components are under high voltage by the opera on of the booster capacitor.
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Fully discharge the capacitor before commencing a repair work. Failure to observe this warning could result in electric shock.
When parts of refrigerant cycle is disassembled by welding, be sure to work a er collec ng a refrigerant, if the refrigerant isn't
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collected, the unit might explode.
Be sure to collect refrigerant without spreading it in the air.
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These contents are an example. Please refer to a similar part of actual unit.
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(b) FDTC series
3. To remove the impeller and motor (FM)
(1) Remove 4 bellmouth fixing screws then remove the bellmouth.(○ mark)
(2) Remove the turbo fan fixing nut then remove the turbo fan.(
(3) Remove 2 plate fixing screws then remove the plate.(← mark)
(4) Disconnect the motor connector(CNMx) in the middle of wiring.
(5) Remove 3 motor fixing nuts then remove the motor.(
①
4. To remove the drain pan
(1) Remove the lid of control box.(See No.1)
(2) Remove the plate fixing screw then remove
the plate.(○ mark)
(3) Remove the sensor holder screw then remove
the sensor holder.(□ mark)
(4) Remove 4 drain pan fixing screws then remove
the drain pan.(← mark)
PROCEDURE & PICTURES
1. To remove the lid of control box
(1) Remove 2 lid fixing screws then remove
the lid.
2. To remove the printed circuit board (PCB)
(1) Remove the lid of control box.(See No.1)
(2) Pull off all the inserted connectors.
(3) Take off 6 fixing hooks then remove
the PCB.
△
②
-
(FDTC series)
mark)
□
mark)
③
5. To remove drain pump (DM) and float switch (FS)
(1) Remove the lid of control box.(See No.1)
(2) Disconnect the drain pump connector(CNRx) and
float switch connector(CNIx).
(3) Remove the drain pan.(See No.4)
(4) Pull the hose to the arrow dire on then remove the hose.
(5) Remove 3 drain pump fixing screws then remove
the drain pump.(○ mark)
(6) Remove the float switch fixing screw then remove
the float switch.(□ mark)
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'19 • PAC-SM-309
PJA012A729A
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