Service manual

ESIE05-03 Disassembly and Maintenance: Outdoor Units
Part 5 – Disassembly and Maintenance 5–9
3
5
1
5
1.2.4 Removal of PC Board Ass'y (1)
Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work.
Procedure
Step Procedure Points
P Remove the front and top
panels in accordance with the
Removal Procedure for
Outside Panel
1 Remove the PC board (for
control use)
1 Disconnect all
connectors.
P Disconnect the relay
connector from the
lead wire of the
compressor.
(Only on
RZQ71B8V3B)
P Remove the lead
wire from the terminal
cover of the
compressor.
P Remove the lead
wire from the terminal
of the high pressure
switch (all models)
and low pressure
switch. (Only on
RZQ100~140B)
P Disconnect the
respective
connectors from the
following parts on the
PC board.
P Each thermistor
P Low pressure
sensor (RZQ71)
P Coil of four way
valve
P Coil of solenoid
valve
P Coil of motorized
valve
Fixing screw of PC board ass'y
(for control use)
ESIE05-03.book Page 9 Wednesday, April 6, 2005 4:09 PM