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System Functions
Safety, Operation and Maintenance Manual - Aug 2012
3-63
SY115C9/135C/155H Crawler Hydraulic Excavator
(7) LCD display
LCD display (7) shows the preset temperature
(a), air flow (b) and outlet position (c) during
operation.
●
By pressing the OFF switch (1), the display
of preset temperature (a), air
fl
ow (b) and
outlet position (c) disappears, and the op-
eration stops.
(8) Air conditioner switch
The air conditioner switch (8) is used to switch
on/off the air conditioner or its operation (cool-
ing, dehumidifying and heating).
●
W h e n t h e f a n i s w o r k i n g ( t h e L C D
displays(b)), press the air conditioner
switch (8) to activate the air conditioner.
The indicator above the switch will be illu-
minated. Press this switch again to deacti-
vate the air conditioner. The indicator goes
out.
●
The air conditioner is disabled when the
fan is switched off (outlet position disap-
pears from the LCD display).
(9) Sunlight sensor
The sunlight sensor will adjust the air
fl
ow of
air outlet to match the strength of sunlight. In
addition, it can detect automatically the varia-
tion of the temperature in the operator cab due
to the strength of sunlight. And it can control
temperature automatically.
b
a
c
CZ335-1103103
A/C
CZ335-1103104
9
CZ335-1103105
Monitor
Fig. 3-97
Fig. 3-98
Fig. 3-99