Thermistor (Th31) Replacement Procedur (Sub Hbc) - Mitsubishi Electric PURY-M200YNW-A1 Service Handbook

[8-16 Sub-HBC Maintenance Instructions ]
8-16-2

Thermistor (TH31) Replacement Procedur (Sub HBC)

Operation procedures
1) Unscrew the fixing screws (x4) on the
service panel (right), and remove the
service panel (right).
2) Unscrew the fixing screws (x2) on the
service panel (top left), and remove the
service panel (top left).
3) Disconnect all TH31 connectors from
the control board.
4) Unscrew the fixing screws (x4) on the
control box, and remove the control box.
Disconnect all wiring connectors from
the control box.
5) Unscrew the fixing screws (x6) on the
service panel (left), and remove the ser-
vice panel (left).
6) Release the thermistor wires from the
clamps.
7) Pull TH31 out of the top of the unit, and
replace it with a new one.
BS_08_L
Illustrations
Service panel (top left)
Service panel (left)
Control box
TH31 (x16)
g
h
i
j
k
l
m
n
o
p
Service panel (right)
e
f
a
b
c
d
Access path
Operation
location
Above the
ceiling
179
chapter 8 -