Product Overview

ICM350
D
EFROST CONTROLS
LIS249
Replaces
• Carrier HK32EA001, HK32EA003, HK32EA008 and comparable defrost control boards
Features
- Adjustable 30, 60, 90, and 120 minute
timing sequences
- Speedup jumper for quicker testing and
troubleshooting
- Brownout monitoring
- Microcontroller precision timing
- Time and temperature termination
- Quiet Shift : Reduces noise disturbance
when entering and exiting the defrost
sequence (HK32EA003 & HK32EA008)
- 5 minute anti short cycle delay
(HK32EA003 & HK32EA008)
- Optional random start timer (HK32EA003 &
HK32EA008)
Specifications
• Voltage: 18-30 VAC
• Frequency: 50/60 Hz
• Power Consumption: 1 Watt maximum
• Current Draw: 300mA maximum
• Maximum Defrost Sequence: 10 minutes
• HK32EA001:
– Speedup defrost timing sequence:
Specified Time Interval Speedup Equivalent Time Interval
10 minute maximum defrost 2.3 seconds
30 minute timing sequence 7 seconds
60 minute timing sequence 14 seconds
90 minute timing sequence 21 seconds
120 minute timing sequence 28 seconds
• HK32EA003/HK32EA008:
– Speedup defrost timing sequence: 5 seconds (active upon release)
– ASC delay: 5 minutes at startup and between heating calls
– Forced DFT sequence: 30 seconds
– Random start timer: 0-30 seconds
– Quiet shift compressor delay: 30 seconds (HK32EA003), 70 seconds (HK32EA008)