5.3
Switching off auxiliary/supplementary
heater
If the instant heat button is pressed or the preset operating time
has expired, combustion stops.
The run-on mode begins.
The circulation pump - V55- and the combustion air blower - V6- ,
however, continue to run to cool down the heater (run-on mode)
and are switched off automatically.
Note
The run-on period of the circulation pump - V55- and the com‐
bustion air blower - V6- depends on the operating mode in which
the auxiliary heater was switched off.
Run-on time is up to 4 minutes.
Depending on the control unit software version, slight deviations
in the specified run-on values are possible.
Transporter 2016 ➤
Auxiliary heater - Edition 04.2020
5. Regulation of auxiliary/supplementary heater
31
