Start up stationary heater

AZ83.70-P-0008-04A

Start up stationary heater

Danger!

Risk of explosion due to fuel vapors, risk of poisoning from breathing in combustion gases and risk of injury due to combustions during or after heating operation

Do not operate stationary heater, auxiliary heater or engine with heater booster in closed areas or when refueling.Allow heater unit to cool down after operation and wear protective gloves.

AS83.70-Z-0002-01A

Start-up step

Reaction

Note

1

Ignition OFF

Vehicle battery must be charged sufficiently (acid density
1.24 kg/dm3)

2.1

Set air flow control to "min"

MODEL 163 up to Model Year 2002

Model 168

3

Switching on the heater:

Press button  on the timer

- timer display illuminates

Circulation pump and combustion air blower of heater start to run

Blower of vehicle heating starts to run if the coolant temperature is
>30 °C

after 120 sec fuel pump delivers fuel

Clocking noise at the fuel pump

Combustion air blower increases rotational speed, switch from partial load to wide open throttle operation to increase the heating capacity

Coolant temperature increases

4

Switching off the heater:

Press button  on the timer

Timer display goes out and blower of the vehicle heating as well as the fuel metering pump are switched off

Air flow in the interior is interrupted

The heater still runs for approx. 120 sec until the combustion has ended

Power-down for cooling the heater and for purging the combustion chamber

Heater power-down is ended

no running noises and noticeably absent air flow at the exhaust outlet of the heater

5

Place vehicle heating and air flow control into basic position