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Verfügbare Sprachen
Verfügbare Sprachen
Installing the FrostControl (safety/drain valve)
The FrostControl must be installed in the immediate vicinity of
the unit in the heated room in a location that is easily acces-
sible to the user. Ensure that the rotary switch (42b) and the
push button (42c) can still be operated.
When selecting a location, please ensure that the FrostControl (42)
is not installed in the vicinity of external heat sources (e.g. power
supplies) or in the immediate proximity of warm air ducts.
Water removal can take place directly to the outside in a
splash-protected location (fit splash guards if necessary).
Drill a hole (18 mm diameter) in the floor of the vehicle. Attach
hose (42a) to drainage socket, insert both through the floor
and route to the outside. Seal gap between hose and hole with
plastic body sealant from below. Secure FrostControl with two
screws B 5.5 x 25 (included with delivery). (See figure 26 –
Example of an installation with flexible hoses Ø 10 mm.)
42
42c
42c
43
Fig. 26
Water line connection / routing
In order to ensure that the connected components will work,
the water lines must be kept as short as possible, and free of
kinks and tension.
Route all water lines so they drop down to the safety/
drain valve! There shall be no claims under guaran-
tee for damage caused by frost!
If a water supply is being installed in the vehicle, it must be
ensured that sufficient room is left between the water lines
and the heat source (e.g. heater, warm air duct).
A water line may only be routed at a distance of 1.5 m from
the heater at the warm air duct. The Truma SC hose clip (part
no.: 40712-01) can be used with this distance or more. With
parallel routing (e.g. through a wall) a spacer (e.g. insulation)
must be fitted in order to avoid contact.
Ensure that the cold water supply does not come into
contact with cold bridges (e.g. the outer wall) in order to
prevent freezing.
Connect cold water supply (41) to safety/drain valve (42).
The included elbow fittings (45 + 46) must always be
used in order to empty all water and prevent the water
hoses on the unit from leaking in the long term.
Manufacture a water line (43) for the cold water supply
between safety/drain valve (42) and the boiler inlet.
Route hot water supply line (44) from elbow fitting with
integrated aeration valve (46) to the hot water consumption
points.
20
42b
41
42a
Attach elbow fitting (46 – with aeration valve) to upper
connection (hot water outlet) and elbow fitting (45) to lower
connection (cold water supply) of heater as far as it will go.
Pull in opposite direction to ensure that the elbow fittings are
securely attached.
Fig. 27
Slide venting hose with an outer diameter of 11 mm (47) onto
the hose nozzle of the aeration valve (48) and route to the out-
side free of kinks. Radius of arc must not be less than 40 mm.
Cut off the venting hose about 20 mm below the vehicle floor
at a 45° angle to the direction of travel. (See figure 27 – Exam-
ple of an installation with flexible hoses Ø 10 mm.)
Room temperature sensor installation
When choosing a location, please note that the room temper-
ature sensor must not be subjected to direct heat radiation.
In order to obtain optimum room temperature control, install
room temperature sensor over the entrance door.
Fig. 28
Please ensure that the sensor is always attached to a
vertical wall. There must be a free flow of interior air
around the sensor.
Drill hole with diameter of 10 mm. Lead connecting cable
through hole from the rear, and connect end of cable to sen-
sor using an insulated connector (polarity is irrelevant). Slide
in room temperature sensor and route end of cable with the
two insulated connectors to the heater electronics (lengthen
cable to a maximum of total length of 10 m with 2 x 0.5 mm²
cable if necessary).
The provided room temperature sensor must always be
connected, otherwise the heater will switch to fault.
48
46
44
47
45
20 mm
45º
10 mm
43
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