Installation
Installation and operating instructions Wilo-Star-Z NOVA 9
English
Turn the motor head or
remove it
3. Release the union nut - unscrew it completely
if necessary.
4. Turn the motor head so that the Wilo-Con-
nector points downwards.
5. Tighten the union nut again.
Open the stop valve 6. Turn slot (1) with a screwdriver so that it is
parallel to the direction of flow (only in the
case of the Star-Z NOVA A, and Star-Z
NOVA C versions).
7. Fit the thermal insulation shell.
Connecting 8. Connect the pipework.
Caution: Do not damage the housing seal.
Replace damaged seals.
Caution: If the position is wrong, water
can penetrate and destroy the pump.
1
Note: To close, turn the slot so that it is
across the direction of flow.
Caution: The plastic parts of the motor
may not be heat-insulated in order to protect
the pump from overheating.
Caution: For the versions with stop and
non-return valves, these are already pre-
installed and sealed with a tightening torque of
15 Nm (hand-tight). Screwing with excessive
tightening torque destroys the valve screw con-
nection and the O ring.
When installing the valve, use a fixed spanner to
prevent twisting.
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