Mitsubishi Electric Mr. Slim PKA-A24KA4 Service Manual page 32

OPERATION PROCEDURE
8. REMOVING THE HEAT EXCHANGER
(1) Remove the panel and the corner box. (Refer to step 1)
(2) Remove the electrical box (Refer to step 3) and the nozzle
assembly (Refer to step 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 step 1)
(2) Remove the electrical box covers.
(3) Remove the room temperature thermistor.
(4) Disconnect the connector (CN20) on the indoor controller
board.
HEAD OFFICE : TOKYO BLDG., 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN
C Copyright 2010 MITSUBISHI ELECTRIC ENGINEERING CO., LTD.
Distributed in May 2011 No.OCH488 REVISED EDITION-A
Distributed in Nov. 2010 No.OCH488
Made in Japan
PHOTOS
Photo 11
Heat exchanger
Photo 12
Lead wire for TH5
Heat exchanger
Liquid pipe
thermistor (TH2)
Photo 13
New publication, effective May 2011
Specifications subject to change without notice
Water cut
Connector for
ground
Indoor controller
board (I.B.)
Room temp.
thermistor (TH1)