Mitsubishi Electric MSZ-HR25VFK-ER1 Service Manual page 56

OPERATING PROCEDURE
2. Removing the Wi-Fi interface
(1) Remove the panel (Refer to section 1.) and the corner
box right.
(2) Remove the screw of the V.A. clamp.
Remove the V.A. clamp and the indoor/outdoor con-
necting wire.
(3) Remove the screw of the electrical cover, and remove
the electrical cover.
(4) Disconnect the following connector (Photo 3-2):
<Indoor electronic control P.C. board>
CN105 (Wi-Fi interface)
(5) Remove the lead wire of the Wi-Fi interface from the
hook of the cable guide and water cover.
NOTE:
When attaching the Wi-Fi interface, bundle up the lead
wires of the Wi-Fi interface and hook them on A as shown
in Photo 3-1.
*1: Remove the insulations when replace the indoor
power P.C. board.
Photo 3-2
Wi-Fi interface
connector (CN105)
OBH822F
Photo 2
Wi-Fi interface
Photo 3-1
Vane motor
connector (CN151)
Room temperature
thermistor connector
(CN111)
Indoor coil thermistor
connector (CN112)
Connector to indoor
Screw of
power P.C. board
the terminal
(CN10A)
block
Insulations*1
Indoor electronic
control P.C. board
56
PHOTOS/FIGURES
Water cover
Earth wire
connected to the
electrical box
Wi-Fi interface
B
Screw of
the electrical cover
Electrical box
Screw of
the V.A. clamp
Control P.C. board
holder
Catch of control
P.C. board holder
Connector to
terminal block
(CN201)
Electrical box
Upper
catch of the
electrical box
Indoor power
P.C. board
Connector to
indoor elec-
tronic control
P.C. board
(CN20A)
Connector to
indoor fan
motor(CN211)
C
A
Lower
catch of the
electrical box