General Description; Briefly - Gewiss GW 10 795 Manuel D'installation

Thermostat knx-à encastrer

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The KNX flush-mounting thermostat is used to manage the temperature of the

environment where it is installed (or of another environment when used with an external

temperature sensor). The temperature is adjusted by commanding - on a KNX BUS - the

KNX actuators that control the heating or air conditioning elements, including the fan

coils.

The thermostat can work in "autonomous" control mode, to autonomously manage the

temperature adjustment system (or parts of it); when combined with the KNX flush-

mounting timed thermostat (GW 10 794 - GW 12 794 - GW 14 794), it can work in "Slave"

control mode to create multi-area temperature adjustment systems. The thermostat

allows you to visualise and independently modify the operating parameters of up to 4

KNX flush-mounting temperature adjustment probes (GW 10 799 - GW 12 799 - GW 14

799).

The Setpoint values used by the thermostat are the ones configured via ETS, and they

can be modified locally and via the BUS (if these options were enabled during the ETS

configuration).

The thermostat offers:

• 2 types of operation: heating and air conditioning, with independent control algorithms

• 4 operating modes: OFF (anti-freeze / high temperature protection), Economy, Pre-

comfort and Comfort

• 4 heating adjustment temperatures (Teconomy, Tpre-comfort, Tcomfort, Tanti-freeze)

• 4 air-conditioning adjustment temperatures (Teconomy, Tpre-comfort, Tcomfort,

Thigh_temperature_protection)

• 2 control modes: Slave (if combined with a Master device) or autonomous

• 2 types of control: HVAC or Setpoint

• the possibility to independently visualise/modify the parameters of up to 4 KNX

temperature adjustment probes

• 2 control stages: single stage (with single switchover command) or dual stage (with

dual switchover command, for systems with a high degree of thermal inertia)

• 2-way or 4-way systems control algorithms (first stage): 2 points (ON/OFF command

or 0%/100%), proportional PI (PWM or continuous control), fan coil (max 3 speeds)

• control algorithms (second stage): 2 points (ON/OFF command or 0%/100%)

• 1 relay output with NO/NC contact, that can be used by the thermostat or other KNX

command devices

• 1 input for a potential-free contact (e.g. a window contact, or as a general input with

command function on the BUS)

• 1 input for NTC external temperature sensor (e.g. protection sensor for underfloor

heating)

The thermostat is powered from the BUS line and is equipped with an RGB LCD display

with backlighting, a front light intensity sensor (for automatic display lighting adjustment),

4 command push-buttons, a built-in sensor for detecting the ambient temperature (whose

value is sent on the BUS at intervals that can be parameterised, or following a

temperature variation, depending on the ETS configuration).