8.5.3 Installation Position
The pump may be mounted horizontally or vertically.
CAUTION – When installing the pump
vertically, the pump head must be facing
downwards.
Rigid mounting – is not required in most installations. In
a non battery system, the pump starts gradually and does
not jerk with the start. In a battery system it will jerk slight-
ly, but can be stabilized by mounting it to a small wood-
en board. The pump may be hung vertically on a rope. Ob-
serve the pump to ensure pipes are not overstressed or loos-
ened as it starts.
CAUTION – Do not mount the pump direct-
ly to a wall or wood floor in your home.
This will increase the noise.
Changing the pump head position – The pumps’ fit-
tings can be changed to face sideways or downwards. The
pump head may be rotated to a different position by loosen-
ing the clamp screws that secure the pump to the motor. Be-
fore installing the pump, inject water into the inlet and run
the pump.
The pump may be installed either max. 3m below (gravi-
ty feed) or above (suction mode) the water level. Thereby the
geodetic head between liquid level and pump inlet must not
exceed 3m. The suction lift may be significantly reduced by
flow resistance in the suction line (if the pipes are very long
and/or insufficiently dimensioned).
50 Pump Installation
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