DANGER: Before starting work, make sure that the pump is disconnected
from the power supply.
• Provide a weather-proof, frost-free, dust-free, and wellventilated room for the installation.
• Choose an easily accessible installation site.
• Prepare the installation site so that the pump can be installed without being subjected to mechanical
stresses. If necessary, support or secure piping on both sides of the pump.
NOTICE:
Provide shut-off devices upstream and downstream of the pump to facilitate potential future
pump replacement. Perform the installation in a way that prevents leaking water from dripping onto the
control module. To do this, align the upper gate valve laterally if necessary.
• Complete all welding and soldering work near the pump prior to the installation of the pump.
CAUTION: Dirt can cause the pump to fail. Flush the pipe system
before installation.
• Choose the correct installation position, with the pump motor in a horizontal position, from only the
positions shown above. Direction arrows on the pump housing indicate the direction of flow.
• If heat insulation work is necessary, only the pump housing may be insulated. The pump motor, module,
and condensate drainage openings must remain uncovered.
Turning the motor head
If the installation position of the module is changed, the motor housing must be turned as follows:
• If necessary, remove the thermal insulation shell.
• Loosen the interior hexagonal head screws.
• Turn the motor housing, including the control module.
NOTICE:
In general, turn the motor head before the system is filled. When turning the motor head in a
system that has already been filled, do not pull the motor head out of the pump housing. Turn the motor
head with a small amount of pressure on the motor unit so that no water can come out of the pump.
CAUTION: Do not damage the housing seal. Replace damaged gaskets.
• Turn the motor head in such a way that the plug corresponds to the permitted installation position
shown above.
CAUTION: If the position is wrong, water can penetrate and destroy the pump.
• Turn in the interior hexagonal head screws.
• If applicable, re-mount the thermal insulation shell.
Installation
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