SDC / DHC

Hydraulic Components

 

 

The display of the unique heating circuit name appears

•in the menu selection

•in the parameter tree

•on the information level

7.3.4.10Room thermostat function (maximum room temperature limit)

Function This function determines a room temperature-related limit with adjustable switching differential. If the room temperature of the relevant heating circuit exceeds the current daytime or reduced room setpoint by the set switching differential, heating is temporarily stopped (heating circuit pump switched off).

Heating is resumed as soon as the room temperature of the respective heating circuit drops 0.5 K below the switch-off temperature.

Example:

Daytime room setpoint = 22°C

Thermostat function set value = 4 K

Interruption of heating:

TRoom > (22°C + 4 K) > 26.0°C

Resumption of heating:

TRoom > (26°C – 0.5 K) < 25.5°C

Set value OFF disables the thermostat function.

NOTE The thermostat function is effective while heating and in reduced mode.

The thermostat function is disabled when outside temperature frost protection is active.

See also 5.4.4 "Direct heating circuit" menu (UNMIXED CIRC), Pg. 92

EN2H-0221GE51 R0808

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Honeywell EN2H-0221GE51 R0808 service manual Room thermostat function maximum room temperature limit, Example
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EN2H-0221GE51 R0808 specifications

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