ICM Controls ICM304 Installation guide

ICM Controls
Brand
ICM Controls
Model
ICM304
Type
Installation guide
ICM
304
DEFROST TIMER – AF1013
SPECIFICATIONS
WIRING DIAGRAMTEST MODE TIMES
Compressor Run Times
Actual
Interval Time
Equivalent
Test Time
30 minutes xed 7.03 seconds
60 minutes xed 14.06 seconds
90 minutes xed
(default with no shunt) 21.09 seconds
Defrost Time
Actual
Defrost Time
Equivalent
Test Time
10 minutes xed 2.34 seconds
Input
•Voltage: 18-30 VAC
•Frequency: 50-60 Hz
•PowerConsumption: 1 watt maximum
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
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
R/RV
R
W
Y
O
C
PS2
Y/RV
RV
CC
DF
PS1
Pressure
Switch
Compressor
Contactor
Defrost
Thermostat
Pressure
Switch
Reversing
Valve
Fan
Input
24 VAC T-STAT
DR
Defrost
Relay
DFT
PS
PS
CC
RVS
Jumper
placement with no
pressure switches
Line Voltage
Fan
To enter test mode, short test pins with shunt from timing pins. Make sure system is
running in heat & verify DFT is closed. If DFT is not closed, temporarily short it with a
jumper wire. Remove 24 VAC power (from R terminal) for 1 second then reapply.
ENTER
TestMode:
Replace shunt on timing pins. Remove 24 VAC power (from R terminal) for
1-second then reapply.
EXIT
TestMode:
Speeds up operation by 256 times only.
TestMode:
7313 William Barry Blvd.
North Syracuse, NY 13212
ICM CONTROLS 800.365.5525
www.icmcontrols.com LII286-3
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ICM Controls ICM304 Installation guide

ICM Controls
Brand
ICM Controls
Model
ICM304
Type
Installation guide
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