Auxiliary Water Heater - Manitowoc Grove GMK6300L Operating Manual

Driving
5.6 Heating and air-conditioning system
5.6.3
H
Preheating
the engine
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Auxiliary water heater

The batteries will be drained if you operate the auxiliary heater with the
engine switched off. You must recharge the batteries at shorter intervals if
you use the auxiliary heater frequently!
You can use the auxiliary water heater to:
– Preheat just the engine or
– Preheat the engine and driver's cab simultaneously.
If only the engine is to be preheated, adjust the heating system as follows:
•
Switch (2) to position Warm .
•
Switch (1) to Fan off setting.
•
Knob (3) pressed.
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