N83.70-0360-12
1 Position the temperature selection switch (2) on maximum room temperature.
2 Move rotary switch for blower (1) into position "0", operate the heat cab switch and preheat engine (3), operate auxiliary heater switch (4) on the timer.
The operating indicator lamp in the automatic timing switch must illuminate and blower stage "1" automatically switch on.
The combustion process must start after approx. 15 seconds.
3 Switch off the auxiliary heater after a combustion duration of approx. 5 minutes.
The operating indicator lamp must go off.
The recirculation pump and the combination air blower must continue to run for approx. 3 minutes.
4 Reset the temperature selector switch (2).