Honeywell SDC manual Continuous heating operation, Continuous lowering operation

Operation SDC / DHC

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Enabling

"System Parameters" menu, program parameter = P1 to P3 (see 4.2.2.1 Selection of the control circuit, pg. 35 and 4.2.3.2 Time program, pg. 52).

Display Manual summer operation appears in the basic display with the information SUMMER. If default programs P2 and P3 were

enabled, the corresponding symbol, Â, Ã or Ä, is also displayed depending on the selected program. The symbols are only displayed with the time program P1 to P3 active.

4.1.2.5.5Continuous heating operation

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The HEATING operating mode ensures continuous heating operation without time limitations based on the specified daytime room temperature. Hot-water production occurs continuously based on the specified daytime hot-water temperature.

NOTE The HEATING operating mode remains active until another operating mode is activated.

Display Activated continuous heating operation appears in the basic display with the information HEATING.

4.1.2.5.6Continuous lowering operation

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The RED. HEATING operating mode causes continuously reduced heating operation based on the specified lowered room temperature. On the heating circuit levels, the reduced operating mode ECO (frost-protected deactivation mode) or RED (lowering mode) is set accordingly. The minimum temperature limit of the respective heating circuit must be taken into account.

See the "Direct Circuit" or "Mixed Heating Circuit 1" / "Mixed Heating Circuit 2" menu, reduced parameter = reduced operation and 12 parameter = minimum temperature limit.

Hot-water production occurs continuously based on the specified hot-water economy temperature (see "DHW" menu, hot water parameter = hot water at night).

22 EN2H-0220GE51 R0308