Disassembly Instructions - Mitsubishi Electric MSZ-HC25VA Service Manual

2. Indoor electronic control P.C. board
Timer short mode
point JPG JPS
(Refer to 8-1.)
Emergency operation
switch (E.O. SW) (SW1)
11

DISASSEMBLY INSTRUCTIONS

<"Terminal with locking mechanism" Detaching points>
The terminal which has the locking mechanism can be detached as shown below.
There are two types (refer to (1) and (2)) of the terminal with locking mechanism.
The terminal without locking mechanism can be detached by pulling it out.
Check the shape of the terminal before detaching.
(1) Slide the sleeve and check if there is a locking lever or not.
Sleeve
Locking lever
MSZ-HC25VA MSZ-HC35VA MSZ-HC35VAB
OPERATING PROCEDURE
1. Removing the panel
(1) Remove the screw caps of the panel. Remove the
screws.
(2) Hold the lower ends part of the panel and pull it slightly
toward you, and then remove the panel by pushing it
upward.
Room temperature thermistor RT11 (CN111)
Indoor coil thermistor RT12, RT13 (CN112)
GND
Vane motor (CN151)
Connector to
Indoor power P.C. board
(CN10A)
5V DC
Release of Auto restart function
Solder the Jumper wire to JR07
(Refer to 8-3.)
Slide the sleeve.
Pull the terminal while
pushing the locking
lever.
12V DC
(2) The terminal with this connector has the
locking mechanism.
Connector
Photo 1
29
Room temperature thermistor (RT11)
Indoor coil thermistor (RT12, RT13)
Temperature (°C)
Hold the sleeve, and
pull out the terminal
slowly.
PHOTOS
Screws of the panel