Installing The Drain Valve; Water Line Routing - Truma BG 10 Einbauanweisung

Installing the drain valve

Fit drain valve (14) in an easily accessible location in the vicin-
ity of the boiler. Drill hole with diameter of 18 mm and insert
the drainage socket with hose (15). Secure the drain valve in
place with 2 screws. Water removal can take place directly to
the outside in a splash-protected location (fit splash guards if
necessary).
Ø 18 mm
Figure 8

Water line routing

Connect cold water supply (16) to drain valve (14). The direc-
tion of flow is irrelevant.
12
20 13 22
Figure 9
Push elbow fitting without aeration valve (13) as far as possi-
ble onto the boiler's cold water connection tube (lower tube),
and push the elbow fitting with built-in aeration valve (12) as
far as possible onto the boiler's hot water connection tube
(upper tube). Pull in the opposite direction to check that the
elbow fittings are securely attached.
Slide venting hose with an outer diameter of 11 mm (20) onto
the hose nozzle of the aeration valve (21) 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 relative to the direction of travel.
14
14
15
23
14 16
Figure 10
20 mm
Figure 11
Make a hose connection (22) for the cold water supply be-
tween drain valve (14) and the elbow fitting (13 – lower pipe)
at the boiler.
Route hot water supply line (23) from elbow fitting with built-
in aeration valve (12 – upper tube) to hot water consumption
points.
If a water supply is being installed in the vehicle, it must
be ensured that sufficient room is left between the wa-
ter hoses and the heat source (e.g. heater, warm air duct).
SC hose clips (part no. 40712-01) are suitable for fastening
the hoses to walls or the floor. These hose clips also make it
possible to route water hoses on the heater's warm air distri-
bution pipes to prevent freezing.
A water hose may only be routed at a distance of 1.5 m from
the heater at the warm air duct. The Truma SC hose clip can
be used for distances greater than this. With parallel routing
(e.g. through a wall) a spacer (e.g. insulation) must be fitted in
order to avoid contact.
21
12
20
13
45º
20 mm
Flexible hose installation
21
12
Ø 12 mm
20
13
45º
Rigid pipe installation
(e.g. John Guest System)