3-34 BA 50Z3/6003 en – Edition 4.3 * * 5003b330.fm
Operation
Summer/winter operation (up to serial no. AD04650)
Always stop the engine for switching over from summer to winter operation
and vice versa
Risk of injury.
☞ Stop the engine.
☞ Open the engine cover only if the engine is at a standstill.
☞ Open the engine compartment.
☞ Turn the ball-type cock as described, to summer or winter operation.
☞ Close the engine compartment – see chapter 3.39 Engine cover on page 3-63.
Summer and winter operation does not depend on the season, adjust according to
personal requirements.
Heating controls (from serial no. AD04651)
Cooling:
☞ Turn heater valve 1 toward A until you reach the required temperature.
Heating:
☞ Turn heater valve 1 toward B until you reach the required temperature.
In order to reach the required temperature quickly, we recommend performing only
small step-by-step changes of the setting on control valve 1.
Fig. 78: Heating adjustment
A
B
Position Function
A
Summer operation Cooling
B
Winter operation Heating water circuit open
Fig. 79: Heating adjustment
B
A
1
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