T83.70-0003-06
1.1 Switch auxiliary heater on by operating switch (1) on instrument panel.
The indicator lamp (2) on the instrument panel and in the switch must come on.
1.2 If a timer (digital) is installed, switch on auxiliary heater by operating switch (3) for immediate heating.
Indicator lamp (4) next to switch (3) must come on.
The combustion process must start after approx. 15 seconds.
2 Switch stationary heater off by operating the switch (3 or 1) again.
The indicator lamps (2 and 4) must go off.
The circulation pump and the combustion air blower must continue to run for approx. 2 minutes.