Support Ring - HomeMatic HmIP-eTRV-C Mounting Instruction And Operating Manual

fastened this way can be detached by turning the
fastener/union nut a little bit counter-clockwise
(F). The thermostat head can then be removed
(H).
• Compression fitting: The thermostat dial is held
in place by a mounting ring which is held togeth-
er with a screw. Loosen this screw and remove
the thermostat head from the valve (H).
• Threaded connection with set screw: Loosen the
set screw and remove the thermostat head (H).
After removing the old thermostat dial you can mount the
Homematic IP Radiator Thermostat with the metal nut (A)
to the radiator valve (see figure 6).
If required, you can use one of the supplied adapters for
Danfoss valves (see „5.2.3 Adapter for Danfoss" on page
44) or the supplied support ring (see „5.2.2 Support
ring" on page 43).
5.2.2

Support ring

The valves from different manufacturers may have toler-
ance fluctuations that make the radiator thermostat more
loosely seated on the valve. In this case, the provided
support ring (I) should be placed into the flange before
mounting the radiator thermostat (see figure 7).
Start-up
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