The Comfort Plus is set to display various operating information as described below. Press and release the up arrow to view this data.



Operating Mode - Indicates the current operating mode of the Comfort Plus system.
Peak (P) During this period, the system is not allowed to charge. In time-of-use (TOU) areas, the heater can charge; however, the cost of power will be more expensive.
Charge (C) During this period, the system is allowed to charge, and the power costs are at their lowest.
Anticipated Peak (A) This is often referred to as a pre-peak, mid-peak, or shoulder charge period. It is generally used in time-of-use (TOU) areas where there is a three-tiered rate. Electricity used during this period is less expensive than during peak but more expensive than during charge.

Outdoor Temperature - indicates current outdoor temperature.



Heat Call Status - indicates the current heat call status as determined by the room thermostat(s).

Brick Core Charge Level - indicates the current percentage of heat stored in the brick core. CL: _ represents zero percent and CL:F represents a full core charge level.

Targeted Brick Core Charge Level - indicates the current percentage of brick core charge being targeted by the system. tL: _ represents a target level of zero percent and tL:F represents a full core charge target level.
4100 User Guide 1206149 Rev 0