ICM Controls ICM323 User guide

ICM Controls
Brand
ICM Controls
Model
ICM323
Type
User guide
ICM
323
DEFROST TIMER – AL1002
LII292
www.icmcontrols.com
800-365-5525
ICM CONTROLS
7313 William Barry Blvd.
North Syracuse, NY 13212
Test Mode Times
Compressor Run Times Defrost Times
Actual Interval Time Equivalent Test Time Actual Defrost Time Equivalent Test Time
30 minutes fixed 7.03 seconds 10 minutes fixed 2.34 seconds
60 minutes fixed 14.06 seconds 10 minutes fixed 2.34 seconds
90 minutes fixed 21.09 seconds 10 minutes fixed 2.34 seconds
Input
• Voltage: 18-30 VAC
• Frequency: 50-60 Hz
• Power Consumption: 1 watt maximum
Time Delays
• Defrost: Fixed at 10 minutes (+/- 5%)
• Interval Between Defrost:
– Pin selectable (30/60/90 minutes)
• Random Start Time: 0-5 seconds
• Anti-Short Cycle Time: 3 minutes
• Test Mode: To enter the test mode, short test pins the table below shows the reduced time values. If the
test pins are shorted (but the 30,60,90 pins are not shorted), the unit will default to the 90-
minute test time. After 4 minutes, the unit reverts to normal operation.
SPECIFICATIONS
Output
• CC, RVS: – Type: Triac
– Rating: 1 amp @ 30 VAC
• W: – Type: Relay
– Form: SPST, normally open
– Rating: 10 amps @ 250 VAC
• Fan: – Type: Relay
– Form: SPST, normally open
– Rating: 20 amps @ 240 VAC
WIRING DIAGRAM
•Defrostcontrolforsystemswithheatactivereversingvalves
R/RV
R
W
Y
B
C
PS2
Y/RV
RV
CC
DF
PS1
Pressure Switch
Compressor Contactor
Defrost Thermostat
Pressure Switch
Reversing Valve
Fan
Line Voltage
Fan
Fan
Input
24 VAC T-STAT
DR
Defrost Relay
DFT
PS
PS
CC
RVS
  • Page 1 1

ICM Controls ICM323 User guide

ICM Controls
Brand
ICM Controls
Model
ICM323
Type
User guide
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