User Manual Q&AAnswer
Mar 03, 2025 - 01:16 AM
To install the Watts WMZ 2026-V Ni Heat meter installation set, follow these steps:
1. Shut off the heating circuit manifold before mounting the installation set.
2. Mount the WMZ 2026-V heat meter installation set on the left or right side of the heating circuit manifold.
3. Before mounting the heat meter, shut off the installation set and the heating circuit manifold.
4. Mount the heat meter:
- For a 110 mm (¾") heat meter, remove the fitting piece (3) and mount the heat meter with the connection ¾".
- For a 130 mm (1") heat meter, remove the fitting piece (3) and adaptors (4) and mount the heat meter with the connection 1".
5. Mount the temperature sensor of the heat meter with M10x1 thread on the connection (6.1) of the supply ball valve.
6. Tighten all connections using the specified tightening torques: ¾" - 35 Nm; 1" - 55 Nm.
7. Fill and flush the heating system, and add antifreeze if there is a risk of freezing.
8. Check the heating system for leaks.
9. Set the flow rate on the control valve (2) as follows:
- Remove the protective cap.
- Close the control valve (2) completely by turning it clockwise with an 8 mm Allen key.
- Set the flow rate by turning it counterclockwise according to the diagram in the manual.
- Put the protective cap back on.
10. Finally, refer to the pressure loss diagram and dimensions provided in the manual for further information.
Please note that this answer is based on the information provided in the manual for the Watts WMZ 2026-V Ni Heat meter installation set. For more detailed instructions and illustrations, please refer to the manual itself.
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