22 VRT 230 Installation Manual
9 Installation
9.1 Place of installation
Install the room thermostat so that it
can properly measure the room temper-
ature (avoid heat traps, cold wall etc.).
The best place to install it is in the main
living area on an interior wall at a height
of around 1.5 m. There the room thermo-
stat should able to record the circulating
air, unhindered by furniture, curtains or
other objects. Choose a location where
the room thermostat is not affected by
draughts from doors or windows, or by
heat sources such as radiators, chimney
walls, televisions and direct sunlight. All
the radiator valves in the room where
the room thermostat is installed must be
fully open.
9.2 Mounting the room thermostat
Connect the room thermostat to the
boiler using a 3-core cable to terminals
3-4-5 (see fig. 9.1, item 2).
• Pull the room thermostat (1) out of the
mounting box (5).
• Open the inner protective cover (6) of
the wall mounting box (5), by undoing
the screw (7) and lifting the cover to
the right.
9 Installation
