ICM300 Heat Pump Defrost Timer

ICM300 Heat Pump Defrost Timer

• Ultra low cost
• Pin-for-pin compatible with OEM type 621 controls
• Simple time and temperature control
• Must have external relays for fan, reversing valve and auxiliary heat
• High installed base

Specifications

Input

Voltage: 18 to 30 VAC

Frequency: 50/60 Hz

Power Consumption: 1 watt max.

Output

Type: Relay

Form: SPST, N.O.

Rating: 1 amp

 

Time Delays

Defrost Time: Fixed 10 minutes + 5%

Interval Time between defrosts: Pin-selectable 30/60/90 min

Power on Reset Time: 500ms

Test Time: Short across test terminals reduces test time 256x