Wilo Stratos MAXO Notice De Montage Et De Mise En Service page 25

CAUTION
Electronics breakdown due to drips
If the module is in a position that is not permitted, there is a risk of water drips entering the
module. This can lead to a defect/breakdown of the electronics.
• The module is not allowed to be positioned with the cable connection pointing upward!
6.4.1 Flange-end pump installation
WARNING
Risk of burns from hot surfaces!
The piping can get hot and cause burns when touched.
• Allow the heating system to cool down before commencing any work.
• Wear safety gloves.
WARNING
Risk of injury and scalding due to improper installation!
The flange connection can be damaged and develop leaks if the pump is not installed cor-
rectly. Risk of scalding due to escaping hot fluid!
• Use screws of sufficient length. The screw thread must project by at least one pitch of screw thread from
the screw nut.
• Perform leakage test at maximum permissible operating pressure!
Installation steps
1. Close the shut-off devices in front of and behind the pump.
2. Insert the pump into the pipe together with two gaskets in such a way that the flanges can be screwed
to the pump inlet and outlet. Observe direction of flow! The arrow-shaped flow indicator on the pump
housing must point in the direction of flow.
3. Screw the flanges together with suitable screws.
4. Open the shut-off devices in front of and behind the pump.
5. Perform leakage test at maximum permissible operating pressure!
6.5 Aligning the motor head
The motor head may need to be aligned according to the installation position.
NOTICE
Check permissible installation positions (see section "Permissible installation positions"
[" 13]).
Installation and operating instructions • Wilo-Stratos MAXO/-D/-Z • Ed.02/2023-10
en-US
25