Product Description
Electric shock from uncovered, damaged electric
cables.
If power cables are damaged (Ultraheat, fan):
Switch off the power supply; for example, via fuses
or residual current circuit-breakers (RCCB) in the
main distribution board of the vehicle� Unplug the
line power� Prevent the power supply from being
switched back on�
Have the power cable replaced by the manufacturer,
customer service or an electrician�
Risk of fire from overheated cable drum.
If the electricity for the vehicle is supplied via a cable
drum, high current consumption can heat the rolled up
cable�
Completely unroll the cable from the drum�
3.4
Troubleshooting
Have faults repaired without delay and only by an
expert�
Only resolve faults yourself if remedies are de-
scribed in the chapter on "Faults" in these operating
instructions�
3.4.1 What must I do if there are unusual noises
or smells?
Close off the gas supply and switch off the heater�
Switch off Ultraheat�
Have an expert check the heater�
12
EN
4
Product Description
The Ultraheat electric additional heater is an accessory
for Truma S-heaters and operates with 230 V~ line pow-
er� The additional heater can be operated on its own�
For this purpose, three operating levels are available:
500 W, 1000 W and 2000 W� The additional heater can
also be used in combination with an S-heater�
4.1
Design
The Ultraheat electric additional heater consists of a
heating element (Fig� 2-4), a control unit (Fig� 2-5) and
a control panel (Fig� 2-1)� The heating element and the
control unit are installed in the S-heater (Fig� 2-3) be-
tween the heat exchanger and the installation box� The
control panel is mounted outside the S-heater in a wall
or piece of furniture�
1
2
6
Fig� 2
4.2
Product labelling
The appliance type and the serial number are printed on
the type plate�
The type plate of the Ultraheat additional heater is lo-
cated on the cover of the control unit�
4.3
Function
The heating elements of the electric additional heater
heat the air in the S-heater� A fan* (Fig� 2-2) distributes
the warm air in the vehicle through warm air ducts and
outlets (Fig� 2-6)�
The operating level can be adjusted to suit the electrical
fuse on the power connection (fuse at the campsite)�
The desired room temperature is adjusted using the
control panel and the control unit switches the heating
elements on an off automatically to reach the desired
temperature�
The green LED in the control panel remains on while
the temperature is being controlled�
4.4
Operation
S-heaters can be operated with gas and/or the electric
additional heater� If the S-heater is operated with gas
and the electric additional heater at the same time, the
additional heater may switch off to prevent potential
overheating�
Ultraheat
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4
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30090-00229 · 00 · 06/2021