English
30 WILO AG 11/2007
Fig. 17: Shower inlet non-return valve (not permitted in Germany)
The 40 mm non-return valve supplied (Fig. 17) is inserted in
the lower inlet opening of the shower connection via the
guide grooves until it snaps in.
CAUTION! Risk of malfunctions!
Malfunctions will occur if the valve is incor-
rectly fitted
• The valve hinge must face upwards (check the
condition on delivery).
• The valve must open towards the inside of the
tank.
Fig. 18: Emergency drain connection
NOTE: The PVC hose with plug supplied can be
attached to the tank for simple draining in emer-
gencies (Fig. 23). Drill the 13 mm port on the bot-
tom of the tank with a spiral drill (max. Ø 9 mm)
(Fig. 18). Push in the hose and fasten it with the
hose clip (1.5 Nm tightening torque). Make sure
that the drain opening of the hose is securely
sealed with the plug.
Fig. 19: Mounting the connecting sleeves
Before installing the unit, fasten the DN 50 and DN 100 con-
necting sleeves to the inlet pipes using the clips (supplied)
(Fig. 19).
Make sure they are correctly seated and do not leak.
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