Location 121 (L121)

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Range

Description / Function

 

2100 Series

Power to Damper Actuator - Amount of power (pulsed voltage) being applied to the damper actuator to determine blower speed.

 

3100/4100/4200 Series

Core Blower #2 Activation Level - Indicates the blower speed of the second core blower in 4100 Series systems.

 

5100/9100 Series

Pump Activation Level - Amount of power (pulsed voltage) being applied to the air handler circulator pump circuit.