Closing The Drain Valve; Filling The Water Container; Draining The Water Container; Filling The Fuel Lines - Truma Combi D Gebrauchsanleitung

Operation

5.5.5 Closing the drain valve

Move the lever to the horizontal position "operation
closed" (Fig� 10-2) or (Fig� 10-3)�
5.6

Filling the water container

Make sure that the FrostControl / drain valve is
closed (see "Manual closing of the FrostControl" or
"Closing the drain valve")�
 When the temperature at the FrostControl is below
approx� 7 °C, first switch on the heater to warm
the installation compartment and the FrostControl�
After several minutes, when the temperature at the
FrostControl is above 7 °C, the safety / drain valve
can be closed�
Switch on the power for the water pump (main
switch or pump switch)�
Open the hot water taps in the kitchen and bath-
room (set preselecting mixing taps or single-lever
fittings to "hot")� Leave the fittings open until the
water container has been filled by displacing the air
and water flows without interruption�
 If only the cold water system is operated, the water
container will also fill with water� To prevent frost
damage, if there is a risk of frost, the water contain-
er must be emptied via the safety / drain valve, even
if it is not being used�
 In the event of frost, filling may be prevented by
frozen residual water� The water container can be
thawed by starting the system for a short time (max�
2 minutes)� Frozen pipes can be thawed by heating
the interior of the vehicle�
If the water container is connected to a central water
supply (town water), a non-return valve must be in-
stalled to ensure that non-drinking water cannot flow
back or be sucked back into the central water supply
from the vehicle�
NOTICE
Water damage caused by high water pres-
sure
If the water container is connected to a central
water supply (town water), pressure in the water
container can exceed 2�8 bar�
Install a pressure reducer on a central water
supply system�
28 EN
5.7

Draining the water container

NOTICE
Frost damage caused by water in the water
container
Drain the water container if the motor home /
caravan is not being used during the frost
period�
Switch off the power to the water pump (main or
pump switch)�
Open hot water taps in the kitchen and bathroom�
 To check the draining water, place a suitable
container (10 litres) beneath the drainage sock-
et (Fig� 9-4) or the (Fig� 10-4) safety / drain valve�
Open the safety / drain valve (see "Manual opening
of the FrostControl" or "Opening the drain valve")�
The water container is now drained directly to the out-
side via the safety / drain valve� Check that all the water
(10 litres) drains into the container through the safety /
drain valve�
No frost damage claims may be made under the
warranty.
5.8

Filling the fuel lines

To fill the fuel lines, you generally have to start the heat-
er several times�
If the fuel lines are empty, we recommend that you con-
tact a Truma Service Station� Alternatively, carry out the
following steps:
Check that the wall cowl is unobstructed� Remove
any blockages�
Switch on the appliance at the control panel� The
appliance automatically performs 2 starting attempts
(initial start and repeat) per switch-on procedure
with a run time of 2 minutes in each case� If no
flame is detected after the repeat start, the appliance
switches to fault and has to be switched off and on
again at the control panel�
 After a total of 15 unsuccessful starting attempts
(initial and repeat start) with no flame, the system is
blocked� Customer Service must unlock it� Contact
the Truma Service Centre or one of our authorised
Service Partners (see www�truma�com)�
Check fuel lines and connections for leaks after fill-
ing the fuel lines�
Combi D
34020-01171 · 00 · 01/2022