Services
30
INBOARD WATER TANKS AND
ON-LINE WATER SYSTEMS
TANK ISOLATION AND TANK FILLING
OPERATIONS
When an internal water tank is fitted options
exist to supply water to the taps and shower
from either the internal tank or the external
supply:
1. The external pump can be used to supply
the taps. Select external pump on the
control panel, and close the isolation
valve close to the internal water tank (see
picture page 31). Ensure that the external
pump is connected and suspended in the
external water container with water
present.
The external pump will run when the taps
are opened. Leaving the isolation valve
open will route water from the external
pump to both the taps and the internal
tank. (The internal tank would overflow via
fitted overflow pipe when full)
2. If the internal tank contains water the
internal pump can be used to supply the
taps. Check the water level gauge to
confirm the water level. Select internal
pump on the control panel, and ensure
that the tank isolation valve is open.
The internal pump will run when a tap is
opened.
To fill the internal tank:
Ensure the taps are closed and the tank
isolation valve is open, and that the external
pump is connected and suspended in the
external water container with water present.
Check the tank drain valve is in the closed
position (see diagram page 31), and that the
Ultrastore drain valve is in the closed
position (see fig 1 page 64).
With the pump selector switch in either
position, switch the tank fill switch to ‘ON’,
and water will flow into the tank until either
the external container is empty, or the
internal tank overflows. Progress can be
monitored using the water level gauge on the
control panel.
The tank fill switch is usually mounted in the
furniture above the charger / distribution unit.
SOLENOID VALVE OPERATION
(BESSACARR MODELS ONLY)
A normally closed solenoid valve is mounted
with the ‘Posiflo’ internal pump on these
models, and is controlled by a switch with
neon indicator close to the entrance door of
the caravan, which also operates the tank fill
function. The operation of the solenoid valve
replaces that of the manual tank isolation
valve in the following way:
To supply water to the taps and shower:
1. Via the external pump. Ensure that the
external pump is connected and
suspended in the water container and
that the drain valve located close to the
Ultrastore or Alde water heater (see fig 1
page 64) is in the closed position. Ensure
the solenoid is closed by moving the
solenoid/tank fill switch to the ‘OFF’
position. Select external pump on the
control panel. The external pump will run
when the taps are opened. If the
solenoid/tank fill switch was placed in the
‘ON’ position, water will route water from
the external pump to both the taps and
the internal tank. (The internal tank would
overflow via fitted overflow pipe when
full).
2. Via the internal pump. Check the water
level gauge to confirm water is present in
the tank. Ensure that the drain valve
located close to the Ultrastore or Alde
water heater is in the closed position (see
fig 1 page 56) and move the solenoid/tank
fill switch to the ‘OFF’ position. With the
tank selector switch set to internal pump,
the internal pump will run when the taps
are opened. If the solenoid valve were in
the ‘ON’ (open) position whilst the internal
pump was running, pressure at the taps
and shower would be reduced.
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