Draught control

Draught control is a myCoreAI feature that prevents perimeter discomfort from cold air falling along windows and façades — kallras in Swedish — during cold-weather office hours. myCoreAI raises the lower bound on heating-circuit supply temperatures so radiator water stays warm enough to offset the downdraught, even when room temperature is already on target.

Trigger conditions

myCoreAI activates draught control when both conditions hold:

• Time of day: 07:00–17:00 (building local time)
• Outdoor temperature: below 5 °C

Outside these conditions, the bounds produced by other pipeline steps are left unchanged.

Effect

myCoreAI raises the lower bound of every heating-circuit supply-temperature setpoint by 15% of that signal's configured min–max range.

Configured range	Lower-bound uplift
15–70 °C (typical)	~8 °C

The upper bound is untouched. myCoreAI can still push the setpoint higher when heat demand warrants it — only the floor moves up.

Position in the bounds pipeline

Draught control is one step in the sequence of bound adjustments myCoreAI applies before each optimization run. It only tightens the lower bound upward; it never widens it. If an earlier step has already pushed the lower bound above the draught-corrected level, draught control has no further effect at that timestep.

Scope

Draught control acts on heating-circuit supply temperatures only. myCoreAI does not modify the following signals through this feature:

• Air-handling-unit supply-air setpoints
• Zone-asset schedules
• Indoor temperature targets configured per climate group