Truma Combi 2 E, Combi 4 E CP plus Operating Instructions Manual

Combi 2 E / 4 E CP plus (Australia)

Operating instructions Page 2

To be kept in the vehicle!

Combi 2 E / 4 E CP plus (Australia)

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1 Control panel (digital)
2 Room temperature sensor
3 Cold water connection
4 Hot water connection
5 Gas connection (with pressure test point – not shown)
6 Hot air outlets
7 Recirculated air intake
8 Waste gas discharge
9 Combustion air infeed
10 Electronic control unit
11 Water container (10 litres)
12 Burner
13 Heat exchanger
14 Power electronics
15 Heating elements 240 V
16 Overheating switch 240 V
17 Safety/drain valve
18 Water pressure reducer

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Fig. 1

Table of contents

Symbols used ........................................................................ 3

Function description ......................................................... 3

Safety instructions ............................................................ 4

Important operating notes ............................................... 5

Operating instructions

Digital control panel .............................................................. 5

Room temperature sensor .................................................... 5

Safety/drain valve .................................................................. 5

Filling the hot water system .................................................. 6

Draining the hot water system .............................................. 6

Electrical operation 230 / 240 V – option – .................. 6

Start-up ................................................................................ 6

Switching off ...................................................................... 6

Maintenance ....................................................................... 6

Fuses .................................................................................... 7

Fuse 12 V ............................................................................... 7

Fuse 240V ............................................................................. 7

Overheating protection 240 V ............................................... 7

Faults .................................................................................... 7

Troubleshooting guide (water supply) ................................... 7

Accessories ......................................................................... 8

Technical data ..................................................................... 8

Truma warranty policy ..................................................... 9

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Symbols used

Function description

The unit must only be installed and repaired by an
expert.

Symbol indicates a possible hazard.

Comment including information and tips.

Observe the ESD regulations! An electrostatic charge
can destroy the electronics. Ensure potential equalisa-

tion before touching the electronics.

The Combi 2 E / 4 E CP plus (Australia) liquefied gas heater is
a warm-air heater with integrated hot water system (10 litre
capacity). The burner is fan-assisted, which ensures that op­eration is problem-free, even when on the move. The unit also
has heating elements for electrical operation.

In heating and hot water mode the heater can be used to
heat the room and heat water at the same time. If only hot
water is required, select hot water mode.

3 different options are available for operating the unit:

– gas mode only

LPG for autonomous use

– electrical mode only

240 V for stationary use on camp sites

– or gas and electrical mode – mixed mode

Only possible in heating and hot water mode.

Heating and hot water mode

In heating and hot water mode, the unit automatically
selects the required operating level according to the tempera­ture difference between the temperature set on the control
panel and the current room temperature. If the hot water sys­tem has been filled, the water is automatically heated as well.
The water temperature depends on the selected operating
mode and the heater output.

All 3 energy selection options can be used for winter
deployment.

– In gas mode the unit automatically selects the operating

level that is required.

– In electrical mode output of 980 W (4.1 A) or 1960 W (8.1 A)

can be manually preselected in accordance with the fuse pro­tection at the camp site.

If more output is required (e.g. heating up or low outside
temperatures) gas or mixed mode should be selected so
that enough heating power is always available.

– In mixed mode 240 V electrical mode is preferred if the

power requirement is low (e.g. for maintaining the room
temperature). The gas burner is not enabled until the power
requirement is higher, and is the first to switch off during
heat-up operation.

Hot water mode

(with filled hot water system only)

Gas mode or 240 V electrical mode is used to generate hot
water. The water temperature can be set to 60 °C.

– In gas mode the water is heated at the lowest burner

setting. Once the water temperature has been reached,
theburner switches off.

– In electrical mode output of 980 W (4.1 A) or 1960 W (8.1 A)

can be manually selected in accordance with the fuse protec­tion at the camp site.

Mixed mode is not possible. With this setting the unit
automatically selects electrical mode. The gas burner is

not enabled.

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