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IQ Boiler Control

The heart of IQ Control System is the Intelligent Hydronic Control. The control replaces the traditional separate ignition control, primary boiler aquastat, as well as the fan and circulator relays. The control stores two boiler supply temperature setpoints in its memory; one setpoint is for the High Limit Setting and the second is for the Operating Setpoint.

When the optional Outdoor Air Reset Card is installed in the IQ Option Panel, the Operating Setpoint temperature is automatically adjusted according to the outdoor temperature. By better matching boiler heat supply to actual home heat demand, room air temperatures are more closely maintained. Also, when there is a domestic hot water (DWH) heat request, the Operating Setpoint temperature is automatically adjusted to a DHW Setpoint to satisfy the DWH heating requirements. When the Outdoor Air Reset Card is not installed the Operating Setpoint equals High Limit Setting.
  • Atmospheric Draft is used on Boiler ES2_B, Series 30_B and, 2012 Series 2
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    Control Panel
    Control Panel
    Used With:
    Series 2 Boilers
    ES2 Series
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