Machine Controls
SY50U Excavator OMM
3-38
Operation and Maintenance Manual — 0120
SANY
HEATING AND AIR CONDITIONING SYSTEM
Control Panel
Fig. 3-58
0002995
1
2
3
4
Item
Control
Operation
Function
1
Temperature
adjustment dial
Turn to the right.
Increases the temperature inside the cab.
Turn to the left.
Decreases the temperature inside the cab.
2
Air conditioning
power switch
Press and
release.
Turns the air conditioning system on or off.
3
Blower speed
adjustment dial
Turn to the right (0
to 3).
Increases the blower speed.
Turn to the left
(3 to 0).
Decreases the blower speed.
4
Fresh air/recirculation
switch
Press and
release.
Indicator lamp on – recirculated-air mode.
Indicator lamp off – fresh-air mode.