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The ICM Controls icm205b is a delay on break timer designed to protect air conditioning, refrigeration, and heat pump systems from damage caused by rapid compressor short cycling. Also called an anti-short cycle timer or ON delay on break timer, this control gives compressors the cool-down time they need before restarting. HVAC technicians and refrigeration service professionals rely on this type of protection device to extend equipment life and reduce costly compressor failures in the field. The icm205b provides a 5 minute fixed delay period, which is a widely accepted standard interval for preventing pressure equalization problems and mechanical stress on compressor components. When power is applied or the thermostat closes, the load energizes immediately. When the thermostat or control switch opens, or when power is lost, the load de-energizes and the 5 minute delay begins. The compressor will not restart during this delay window. Once the delay period has elapsed, the system is free to restart normally. This straightforward mode of operation makes the icm205b easy to install and verify during a service call. The unit operates at 18 to 30 VAC and handles up to 1.5 amps continuous with a 15 amp inrush rating, making it compatible with a broad range of residential and light commercial HVAC and refrigeration equipment. It draws a minimum holding current of 40 mA and is rated for 50 to 60 Hz operation. The compact 2 inches by 2 inches footprint allows for easy mounting in tight control panels or equipment compartments. It is a direct replacement for parts from Supco, Diversified, Robertshaw, A-1, and MARS, including part numbers EAC-426-300, AC-100-5, 32382, TL245, and 3310-305, making it a versatile drop-in solution for many service scenarios.
The ICM Controls icm205b delivers reliable compressor short-cycle protection with a 5 minute fixed delay, compatible with a wide range of HVAC and refrigeration equipment. Its cross-reference to multiple OEM parts from leading brands makes it a practical stock item for service technicians.
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