52
Installation and Maintenance
Service Manual
Steps
Procedure
blade
motor support
motor
electric box assy
1.Remove the grounding wire screw on the electric
box assy and then remove the grounding wire.
2.Disconnect the wiring terminals of reactor,
compressor, high and low pressure switch,
compressor overload protector, temperature sensor,
outdoor fan motor and 4-way valve. (See fig 2)
Note: keep pressing the circlip when disconnecting
the wiring terminal of reactor; keep pressing the
retainer when disconnecting other wiring terminals.
3.Remove the wire inside the wiring groove.
8. Remove electric box assy
9. Remove blade, motor, motor support, reactor
1.Remove nuts fixing axial flow blade with wrench,
and then remove the axial flow blade.
2.Remove 2 screws connecting motor support and
chassis, loosen damper block and then remove the
motor support.
3.Remove 4 screws fixing motor,and then remove
the motor
4.Remove 4 screws fixing reactor sub-assy and
motor support, and then remove the reactor sub-
assy.
Unsolder the spot weld between 4-way valve and
vapour liquid separator, compressor cut-off valve
sub-assy and condenser, and then remove the 4-way
valve.
Note: When unsoldering the spot weld, wrap the
4-way valve with wet cloth completely to avoid
damage to valve due to high temperature.
10 Remove 4-way valve
4-way valve
