MT86 Operation and Maintenance Manual
125
Fig 4-46
1.Heater unit 2. Heater unit water inlet pipe
3. Water valve 4. Engine heater unit water inlet pipe
5. Engine
Fig 4-47
1. Switch On Diagram 2. Switch Off Diagram
desirable inside temperature. Setting range:
LO, 18℃-29℃ and HI. Generally, temperature
set within 22℃-26℃ is appropriate. If you
want that it is cooler inside, set the
temperature at LO. If you want that it is warmer
inside, set the temperature at HI.
2) Set air volume
Generally, the system can adjust the air volume
based on your setting temperature. You can also
manually set your desired air volume. Air
volume is classified into 9 classes. When you
press the air volume key, the air volume will
be adjusted gradually.
3) Use of hot air
△
! Caution: Please turn off the heater
water valve switch before shut down the
heater unit!
When the temperature is too low, the
temperature of the cab can be increased by
using the hot air function.
The heater unit pipeline connection diagram is
shown in Figure 4-47.
As shown in Figure 4-48, turn on the heater
valve switch, and then the heater unit starts
operating. The temperature rise is controlled
by setting the air volume.
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