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5:10 INSTALLATION OF SAFETY/DRAIN VALVE
The Alde safety/drain valve has to be tted to the cold water hose entering the hot water heater.
Closed
M
Open
M
Figure I
K
Figure J
Freshwater from
water tank
max 0.3 MPa (3 bar)
Hot water out from
the hot water heater
Figure H
28
2421
20
22
23
25 27
Safety/drain valve must not be mounted higher than the
hose connection.
1. Drill a Ø 16 mm hole in the oor for the drain hose, and then screw the safety/drain valve securely into the oor.
2. Fit the hose connection (Figure H 21) on the inlet nipple.
3. Connect the safety/drain valve to the hose connection.
4. Then, t the elbow connection with inbuilt vent valve on the outlet connection (Figure H 25). This should be tted in
the same way as the hose connection. Fit the bleed hose (Figure H 20) to the valve's hose connector, and pull the
hose out through the oor. Cut the hose obliquely under the vehicle at an angle of 30° facing the rear of the vehicle
(Figure G). The hose must not be blocked.
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