Mitsubishi Electric Mr. SLIM PKA Series Service Manual page 36

OPERATION PROCEDURE
8. Removing the heat exchanger
(1) Remove the panel and the corner box. (Refer to procedure 1)
(2) Remove the electrical box (Refer to procedure 3) and the
nozzle assembly (Refer to procedure 4).
(3) Remove the water cut.
(4) Remove the pipe thermistors from each holder.
(5) Disconnect the connector for ground wire.
(6) Remove 3 screws fixing the left side of the heat
exchanger. (See Photo 9)
(7) Remove the heat exchanger.
9. Removing the room temperature thermistor
(1) Remove the panel and corner box. (Refer to procedure 1)
(2) Remove the electrical box covers.
(3) Remove the room temperature thermistor.
(4) Disconnect the connector (CN20) on the indoor controller
board.
TCH069A
PHOTOS
Photo 11
Heat exchanger
Photo 12
Lead wire for TH5
Heat exchanger
Liquid pipe
thermistor (TH2)
Photo 13
36
Water cut
Connector for
ground
Indoor controller
board (I.B.)
Room temp.
thermistor (TH1)