60
11
DISASSEMBLY INSTRUCTIONS
2. Removing the electronic control P.C. board and the
display P.C. board.
(1) Remove the front panel. (Refer to 1)
(2) Remove the screw of the electrical cover.
Remove the electrical cover.
(3) Disconnect the room temperature thermistor and the con-
nector from the indoor coil thermistor.
(4) Remove the terminal cover.
Remove the screw of the terminal block.
(5) Remove the cord clamp.
(6) Disconnect all the connectors on the electronic control P.C.
board.
(7) Remove the screw of the ground wire.
(8) Disconnect the white lead wire and the brown lead wire
from 52C relay.
(9) Remove the electronic control P.C. board and the display
P.C. board.
OPERATING PROCEDURE
PHOTOS
1. Removing the front panel
(1) Remove the screws caps of the front panel.
Remove the screws.
(2) Pull the panel down to your side slightly and unhook the
catches at the top.
Photo 1
Photo 2
Screw
Terminal block
cover
Terminal block
cover screw
Room temperature
thermistor connector
Front panel
11-1 MSH-07NV -
MSH-09NV -
MSH-12NV -
MSH-07NV -
MSH-09NV -
MSH-12NV -
INDOOR UNIT
E2
E2
E2
E1
E1
E1
NOTE:
❈
On the wiring diagram shows the terminals with a lock mechanism, so it
cannot be removed when you pull the lead wire Be sure to pull the wire by
pushing the locking lever (projected part) of the terminal with a finger.
①
Slide the sleeve.
➁
Pull the wire while pushing
the locking lever.
Cord clamp
Indoor electronic
control P.C.board
Ground wire screw
OB207t-3qxp 25/9/97 9:02 PM Page 60
