Gira 391 User manual
Operating Instructions
Room Temperature Controller
24/10 (4) A~ with NC contact
0391 ..
3
Contents
Operating instructions
Room temperature controller 24/10 (4) A~ with NC
contact
4
Installation of the room temperature controller
Area of application
The room temperature controller is used to control
the temperature in closed rooms, such as apart-
ments, schools, lecture halls, workshops etc.
Installation site
• Install the room temperature controller on an inte-
rior wall and, if possible, directly across from the
heat source.
• Comply with the recommended installation height of
approx. 1.5 m above the floor.
• The permissible relative humidity may not exceed
the max. of 95%.
Avoid condensation.
• Avoid exterior walls and draughts from windows
and doors.
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• Ensure that the normal convective air of the room
can reach the room temperature controller unim-
peded. For this reason, the controller is not to be
mounted within shelf walls or behind curtains or
similar coverings.
• Heat from other sources negatively influences con-
troller precision. For this reason, avoid direct sun-
light and objects which emit heat (televisions,
heaters, lamps, chimney, heating pipes etc.).
• Dimmers also generate heat!
If the room temperature controller is used in con-
junction with a dimmer, the distance between the
two should be as great as possible. If aligned verti-
cally, the room temperature controller should be
installed below the dimmer.
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Installation site
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Installation
The room temperature controller is mounted in a
58-mm flush-mounted box in accordance with
DIN 49 073.
To install the room temperature controller, proceed
as follows:
1. Remove housing cover:
Pull off setting knob.
Loosen cover screw.
Pull off cover.
Attention
Installation and mounting of electrical devices may
only be carried out by a qualified electrician.
If the mounting and installation instructions are not
complied with, a danger of fire and other dangers
can arise.
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2. Electrical connection in accordance with wiring
schematic (see Page 10).
3. Mount device into flush-mounted box with screws.
Attention: Always mount support ring on wallpa-
per. The support ring may not be wallpapered
over when renovating.
4. Set housing cover with cover frame in place.
Engage housing cover at the top left in the hous-
ing basis and tighten screw.
Attach setting knob.
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Electrical connection.
Connect all cables in accordance with the wiring
schematic (see Page 10). If this is not done, great
temperature fluctuations will result, as the room
temperature controller cannot work properly.
An earthed connection is not required, as the device
is double insulated.
Attention
Errors during connecting can lead to damage to the
controlling device! No liability is accepted for dam-
age caused by incorrect connection and/or improper
handling!
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Wiring schematic
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