SDC / DHC

Hydraulic Components

 

 

ATTENTION

To measure the room temperature, the heating circuit of the most occupied room is to be used. Radiator thermostat valves are used together with correctly designed radiators to control the external heat gain and should hence be almost completely open. During the adjustment phase additional external heat sources like fireplaces, majolica stoves, etc. should not be used. Furthermore, during the measurement period excessive ventilation is to be avoided to prevent external cold from interfering with the adjustment process.

The measurement period covers basically the heating phases.

If the heating curve is correctly set, the room temperature remains constant according to the set daytime setpoint regardless of the changes in the outside temperature.

If an automatic correction of the heating curve (heating curve adaptation) is made at the service level, this parameter can no longer be manually set. Instead of the slope display the message HEATING CURVE starts to flash during the adjustment and is corrected continuously.

Recommended settings:

Floor heating: 0.3 ... 1.0

Radiator heating: 1.2 ... 2.0

Convector heating: 1.5 ... 2.0

NOTE The heating curves are limited by the minimum and maximum temperature limits in their valid range. The relevant flow temperature is controlled within the limit range exclusively according to the specified limit values.

With the central device, the jump always occurs with the direct heating circuit (HC). In case of wall devices, the assigned heating circuit will be the first. If other heating circuits exist, their slope values can be selected with the relevant access authorisation and modified if necessary.

Setting 5.1.2.10 Heating curve, pg. 47

EN2H-0221GE51 R0808

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Honeywell EN2H-0221GE51 R0808 service manual Recommended settings

EN2H-0221GE51 R0808 specifications

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