Truma Combi G comfort / comfort plus
Mixed mode (combined gasoline and electric mode)
•
for the most energy efficient use of the furnace (only
Truma Combi G comfort plus)
Use boost mode for maximum power in electric and in
mixed mode�
4.1
Heating and hot water mode
All 3 energy options of the furnace can be used (electric
and mixed mode only Truma Combi G comfort plus):
In heating and hot water mode, the device automati-
•
cally selects the necessary operating level�
In electric mode , power level EL1 and EL2 can be
•
selected manually� Please observe fuse protection
at the campsite in accordance with the power level:
8 A for level EL1 or 15 A for level EL2�
If more power is required (e�g� for heating up or at
•
low outside temperatures), select gasoline or mixed
mode so that sufficient heating power is always
available�
In mixed mode, 120 V AC electric mode is preferred
•
if the power requirement is low (e�g� for maintaining
the room temperature)� The gasoline burner only
switches on when more power is required�
If no 120 V AC line power is available in mixed
•
mode, the control panel issues a warning and
switches over to fuel mode�
4.2
Hot water mode
Fuel ( Truma Combi G comfort / comfort plus) or electric
mode (only Truma Combi G comfort plus) can be used
to heat up water�
Always make sure that the water tank is filled if the
device is used in hot water mode�
In hot summer ambient temperatures, preferably use
the electric mode�
If 120 V AC power supply is available, preferably use
the electric mode�
Mixed mode cannot be used to heat water� If mixed
mode is selected, the device automatically selects
electric mode� The gasoline burner is not switched
on�
Depending on the installed control panel, the tempera-
ture can be set to ECO (104 °F / 40 °C), Hot (140 °F /
60 °C) or Boost (158 °F / 70 °C)� If there is a high de-
mand for hot water, the water temperature can be set
higher to increase the amount of hot water available�
In electric mode, 850W (7�1A) or 1700W (14�2A) power
can be selected manually in accordance with the fuse
protection of the line power connection�
34020-01601 · 00 · 04/2024
4.3
Fuel supply
The furnace requires gasoline fuel according to
ASTM D4814 with the following properties for opera-
tion:
Ethanol content up to 10 %
•
Methanol content up to 3 %
•
No additives that contain metal
•
CAUTION
Incorrect fuel may damage the device and
shorten its life.
Only use specified fuel
4.4
Accessories
Truma CP plus
Digital control panel Truma CP plus with automatic
climate control�
When installed alongside a Truma air conditioning
•
system and a Truma Combi G, the CP plus will auto-
matically engage either the air conditioning system
or furnace to maintain the set point using the most
efficient operating modes�
For more details, please see the CP plus operating
manual�
Fig� 1
Pressure relief / drain valve
The pressure relief / drain valve provides both the
•
pressure relief function and a drain function�
Fig� 2
Product description
EN
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