Komatsu PC200-8M0, Shop Manual, Page: 1184 / 1254

100 Air conditioner
Parts and connectors layout
80-100
26
PC200, 200LC, 220, 220LC-8M0
SEN06151-00
Parts and connectors layout
q
Three fuses related to the air conditioner are in
the fuse box at the right rear of the operator's
seat.
q
The air conditioner unit is mounted inside the
rear cover of at the rear cover of the operator's
seat.
k Park the machine on a level surface, swing
the upper structure by 90 degrees, lower the
work equipment to the ground so that it is
stable, and stop the engine.
k Turn the battery disconnect switch to the
"OFF" position and pull out the key.
a
Note the connector numbers and installed posi-
tions before disconnecting wiring and hoses.
*: Connectors that are not involved in the troubleshooting
Connector No. Remarks Location
Reference
item
AC01 Intermediate connector Right rear of cab 2.
AC02 Intermediate connector Right rear of cab 2.
AC03 Air conditioner compressor Engine 7.
ACECU Engine controller Rear of cab 2.
CM01* Machine monitor Front of cab 5.
CM02 Machine monitor Front of cab 5.
CM03* Machine monitor Front of cab 5.
CM04* Machine monitor Front of cab 5.
F01 Fuse box Right rear of cab 1.
P17
Dual pressure switch
a
Swing upper structure 90 deg.
Under cab 6.
P18 Outside air temperature sensor Cooling unit 8.
P31 Sunlight sensor Machine monitor 4.
R21 Relay Rear of cab 2.
[2] Power transistor Air conditioner unit 3.
[5]*
FRESH/RECIRC air changeover
servomotor
Air conditioner unit 3.
[6]* Inside air temperature sensor Air conditioner unit 3.
[7]*
Evaporator temperature sensor
(frost sensor)
Air conditioner unit 3.