Description
The Trane RLY01963 Fan Sequencer Time Delay Relay, 60-sec On/120-sec Off CUB is an electric control part that is applied in the HVAC system, to regulate the operation of the blower fans according to some timed sequences. It postpones the turn-on or turn-off of the fan by a predetermined time to maximize airflow in comparison with heating or cooling processes, and safeguard system components. It is fitted in the air handlers, furnace or packaged units and is connected to the control board and fan motor circuitry. It has a place in the HVAC system to synchronize the timing of fans to ensure the delivery of air is in line with the temperature variations and system requirements.
