N83.70-0317-01
1 Set heater temperature setting switch to maximum heating power, and move blower rotary switch to position "1".
2 Switch on auxiliary heater with immediate heating switch (5) at timer or using the auxiliary heater switch on the instrument panel. The operating indicator lamp (6) in the timer or the switch on the instrument panel must illuminate.
The combustion air blower and the circulation pump must start up.
The combustion process must start after a preheating phase of approx. 40 seconds.
3 Switch auxiliary heater off after approx. 5 minutes of operation. To do this, operate switch (5) at timer or auxiliary heater switch on instrument panel again. The operating indicator lamp must go off.
The circulation pump and the combustion air blower must continue to run for approx. 2 - 3 minutes to cool the equipment down.
4 Return heater temperature selector switch to original position.