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58
Start-up
5.2
Installation
To install the wall thermostat, please proceed as follows:
• Switch off the fuse of the power circuit.
• Remove the cover of your existing wall thermo-
stat.
To make removal easier, a flat, pointed object
such as a slotted screwdriver can be used.
• Release the wiring and remove the existing wall
thermostat.
• Connect the 24 V voltage supply to connecting
terminal (
G
) and (
H
) of the voltage supply unit (
F
)
(
see fig. 3+4
).
• Connect the two wire line of the valve drive to
connecting terminal (
I
) and (
J
) of the voltage sup-
ply unit (
F
) (
see fig. 3+4
).
• Place the voltage supply unit (
F
) into the flush-
mounted box and fix it the flush-mounted box
using the supply screws.
• Place the frame of your installation and the sup-
plied clip-on frame (
A
) on the voltage supply unit.
• Place the electronic unit (
B
)
of the wall thermo-
stat into the frame
(see fig. 5
).
• Switch the fuse of the power circuit on again (see
„5.1 Installation instructions“ on page 56) to
activate the teach-in mode of the device (see fol-
lowing section).