9
Regulation of auxiliary air heater
⇒ “9.1 Principle of auxiliary air heater operation”, page 54
⇒ “9.2 Function of auxiliary air heater operating and display unit
E407 or roof display unit J702 ”, page 56
⇒ “9.3 Removing and installing auxiliary air heater operating and
display unit E407 or roof display unit J702 ”, page 57
9.1
Principle of auxiliary air heater operation
Note
♦
Make sure that the auxiliary air heaters are operated only with diesel fuel. Operation with biodiesel can lead
to malfunctions and damage.
♦
The heaters only have one electric motor. The motor pumps the heating and combustion air.
1 - Electrical connection
2 - Fuel supply
Pfeil A - Cold air in
Pfeil B - Hot air out
Pfeil C - Combustion air in
Pfeil D - Exhaust out
Switching on
The warning lamp in the control element lights up when the unit
is switched on. The glow plug is switched on and the combustion
air blower runs at slow speed.
Transporter 2020 ➤
Auxiliary heater - Edition 04.2020
54
Rep. gr.82 - Supplementary heating
