SRT45 Off-Highway Truck
3-10
Safety, Operation and Maintenance Manual
ventilating).
c. Refrigeration
Forced refrigerating function:
1. On blower mode, press Refrigeration/ Heat
key-press, air conditioner is on refrigeration
statues, LO will be displayed to activate forced
refrigerating mode when the temperature is
set smaller than 15℃ (larger than 30℃ ) under
refrigerating mode. On refrigeration statues,
press wind speed key-press can adjust wind
speed(low、middle and high).
2. On refrigeration statues, wind speed is on
high(wind speed and night mode can adjust
but temperature can not).
d. Heating mode
Forced heating function: HI will be displayed
to activate forced heating mode when the
temperature is set larger than 30 ℃ (smaller
than 15 ℃ ) under heating mode. On heating
statues, press wind speed key-press can
adjust wind speed(low、middle and high).
e. Defrosting mode
1. Press defrosting key-press, it is on defrosting
statues, press wind speed key-press can
adjust wind speed(low、middle and high).
2. Automatic defrosting function: During
refrigerating, the temperature of defrosting
sensor is smaller than 1.5℃ , the compressor
will turn off; it will turn on if the temperature of
defrosting sensor is smaller than 4℃ .On other
status it will enter core defrosting.
f. Press circulation key, i.e., fresh air function;
the external circulation is used for blowing
fresh air and the internal circulation for
stopping fresh air intake.
A i r c o n d i t i o ner u s e s t h e m a n u a l
v a l v e t o c o n t r o l w a r m w a t e r, i n
summer, must de sure the valve is
shut when refrigerate; in winter, must
be sure the valve is on when heat.
Controls and Operating
CAUTION
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