Mounting The Radiator Thermostat - eQ-3 homematic IP Evo Montage- Und Bedienungsanleitung

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then no longer presses against the valve spigot,
making it easier to remove.
There are different ways of fixing the position of the ther-
mostat dial:
• Union nut: Unscrew the union nut in an anti-
clockwise direction (2). The thermostat head can
then be removed (3).
• Snap-on fastenings: Thermostat heads that are
fastened this way can be detached by turning the
fastener/union nut a little bit counter-clockwise.
The thermostat head can then be removed.
• 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.
• Threaded connection with set screw: Loosen the
set screw and remove the thermostat head.
5.2.2

Mounting the radiator thermostat

After removing the old thermostat head, you can mount
the new radiator thermostat on the heating valve:
• Place the radiator thermostat with the metal nut
(A) on the heating valve (see fig. 7).
• Tighten the metal nut on the heating valve (see
fig. 8).
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