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RAM 712 KNX room thermostat for surface-mounted and flush-mounted installation
theben
Version: Dec-10 (subject to change) Page 4 of 65
1 Functional characteristics
The RAM 712 room thermostat is a KNX controller for heating and cooling operation
with 2 binary inputs (see appendix: External interface) that can be controlled both continuously
and in 2 point operating mode.
It measures the current room temperature (actual value) via a sensor and sends either
a continuous control variable (0...100%) or a switching command (On/Off) to an actuator or
heating actuator to achieve the desired room temperature (setpoint value).
This device is primarily ideal for use in public buildings, including schools for example, thanks to
its elegant design, the absence of control elements, its robust structure and its excellent price
performance ratio.
The option of installing the device in a flush-mounted socket allows it to be integrated in
switching programmes of choice.
Using the binary inputs, switches and keys (floating) can be connected to switch, dim and control
blinds.
The blinds and dimmer channels can also be controlled with a single key (single key operation).
Possible actuators include: Cheops drive, HMG 4, HMT 6, HMT 12
The RAM 712 has four operating modes that allow setpoint values to be easily adapted to
requirements for living comfort and saving energy:
Comfort
Standby
Night mode
Frost protection mode
A setpoint value is assigned to each operating mode.
Comfort mode is used when the room is occupied
The setpoint value is reduced slightly in standby mode. This operating mode is used when the
room is not occupied but is expected to be shortly.
The setpoint value is drastically reduced in night mode as the room is not expected to be
occupied for several hours.
In frost protection mode, the room is controlled to a temperature that eliminates the risk of
damage to the radiators caused by freezing due to low outdoor temperatures.
This may be required for 2 reasons:
- The room is not occupied for several days.
- A window has been opened and no further heating is required for the time being.
The operating modes are usually controlled by a timer.
However, a presence detector and/or presence keys and window contacts are recommended for
optimum control.
See Determining the setpoint value chapter.
4


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Others manual(s) of Theben RAMSES 712 KNX

Theben RAMSES 712 KNX User Manual - English - 2 pages

Theben RAMSES 712 KNX User Manual - German - 67 pages

Theben RAMSES 712 KNX User Manual - German - 2 pages

Theben RAMSES 712 KNX User Manual - Dutch - 2 pages

Theben RAMSES 712 KNX User Manual - Dutch - 61 pages

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Theben RAMSES 712 KNX User Manual - French - 2 pages


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