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Picture shows pre-production model. Picture shows pre-production model.
CODE XG3
176
AUXILIARY HEATER, WATER w/TIMER
HEATING/COOLING
Water auxiliary
heater with timer,
10 kW
Details and Technology
The dual-function water auxiliary heater operates both as a heater booster and as an auxiliary (stationary)
heater. The booster (10 kW) mode is activated automatically as a function of coolant temperature
whenever the engine is switched on. An indicator light comes on whenever the booster function is active.
When the engine has been switched off, the heater booster continues running for approximately two
minutes. The auxiliary heater (5 kW) can be switched on by means of a switch with indicator light. The
indicator light comes on whenever this function is active. Maximum heating time is anything up to two
hours depending on, amongst other things, coolant temperature. The auxiliary heater continues to run
for 15 minutes after the engine has been switched off. If both the auxiliary heater and heater booster
functions are activated, the auxiliary heater has priority. After the auxiliary heater function has been
switched off, either manually or automatically, the heater booster is activated automatically.
Benefits and Arguments
• Quick warming of the interior to a pleasant temperature
• Increased heating output aids quick defrosting of the windows
This system is particularly recommended for use in cold climates. The very high thermal efficiency of the
diesel engines means that at extremely low ambient temperatures their thermal energy may not always
be sufficient to guarantee quick heating and a comfortable level of warmth in the cab. The auxiliary
heating function allows the interior to be warmed even before the engine is started. The driver can
therefore step into a pleasantly warm vehicle straight away.
Remarks
The heater booster/auxiliary heater functions cannot be operated if the fuel level falls below 15 litres
(3.3 imperial gallons). Included with available Auxiliary Heating Group (AMJ).