ICM Controls ICM550-ENC Weatherproof Enclosed Multi-Functional Defrost Timer

• Timed or manual termination 
• Adjustable 15 min to 23 hours 45 min defrost cycle 
• High power relay outputs 
• 100% monitoring of inputs and outputs 
• Simple to use, drag & drop replacement for popular models 
• User-friendly time clock 
• Rugged, NEMA/TYPE 4X rated plastic, weatherproof enclosure 
• Easy to mount and lockable 
• Helps to protect controls from harsh environmental conditions such as temperature, shock, humidity and vibration 
• Control only without enclosure: Order ICM550
• Enclosure not sold separately 

Mode of Operation

When mode B is selected and the unit is in the timed cycle (clock dip switches in the on position), the load will be turned on with the back up source. At the end of the timed cycle, the unit will return to normal operation until the next preset interval occurs.

If Mode A is selected, the load is off during the timed cycle and the back up source will be on. At the end of the timed cycle, the unit will return to normal operation until the next preset interval occurs.