ICM Controls ICM550 / ICM550-ENC defrost control timer

Multi-Functional Timer

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 backup 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 will be off during the timed cycle and the backup source will be on. At the end of the timed cycle, the unit will return to normal operation until the next preset interval occurs. 

• Adjustable 15 min to 23 hours and 45 min timing cycle 

• Timed or manual termination 

• User-friendly time clock 

• High power output relays 

• 100% monitoring of inputs and outputs 

• Available with mounting bracket (Order: ICM550) or packaged in a NEMA Type 4X weatherproof enclosure (Order: ICM550-ENC) 

Input:

• Nominal Voltage Range: 120-240VAC

• Frequency: 60 Hz

Output:

• Type: Relay

Environment:

• Operating temperature: -40 to +131°F

• Operating humidity: 0-95%, non-condensing

Mechanical:

• Construction: Open board (plastic bracket mounted). The ICM550-ENC comes packaged in a NEMA Type 4X rated weatherproof enclosure

• Mounting: Vertical or horizontal orientation

Contact Ratings:

• Compressor: [2]&[4]: 30A R, 1HP @ 120 VAC, 2HP @ 240 VAC

• Electric heat: [1]&[3]: 40A R, 1HP @ 120 VAC, 2HP @ 240 VAC

• Fan: [1]&[F]: 30A R, 1HP @ 120 VAC, 2HP @ 240 VAC

Timing:

• Minimum cycle time: 15 min

• Maximum cycle time: 23 hr 45 min

• Terminate cycle: Cycle can be terminated by shorting “X to N”

Status LED:

• Cycle mode: (Red LED)

• Normal mode: (Green LED)