ICM Controls ICM 350 Manual

• Low cost time and temperature defrost control
SPECIFICATIONS
Input:
• Voltage: 18-30 VAC
• Frequency: 50/60 Hz
Time Delays:
HK32EA001 Operation
• Defrost: 10 minutes
• Time Interval: 30/60/90/120 minutes selectable
• Test Time: Short speedup pins to reduce runtime by 256x
HK32EA003 Operation
• Defrost: 10 minutes
• Forced Defrost: 30 seconds
• Time Interval: 30/60/90/120 minutes selectable
• ASC: 5 minutes*
• Random Start: 0-30 seconds optional
• Quiet Shift: 30 seconds optional
• Test Time: To enter defrost, short speedup pins for 5 seconds and
release
• ASC Test: Short speedup pins for 1 second and release
HK32EA008 Operation
• Defrost: 10 minutes
• Forced Defrost: 30 seconds
• Time Interval: 30/60/90/120 minutes selectable
• ASC: 5 minutes*
• Random Start: 0-30 seconds optional
• Quiet Shift: 70 seconds optional
• Test Time: To enter defrost, short speedup pins for 5 seconds and
release
• ASC Test: Short speedup pins for 1 second and release
* Cutting resistor 'R50' will disable the ASC timer
Mechanical:
• Dimensions: 3.5" x 5.5"
• Mounting: Metal standoffs
Dip Switch Configuration:
• Time Interval Selection (switch 1 and 2)
Switch 1 Switch 2
Off Off
Off On
On Off
On On
• Quiet Shift (switch 3) – On or Off selectable
(not for HK32EA001 operation)
• Random Start Timer (switch 4) – On or Off selectable (not for
• Board Selection (switches 5 and 6)
Switch 5 Switch 6
Off Off
Off On
On Off
On On
ICM CONTROLS
www.icmcontrols.com
• Power Consumption: 1 watt maximum
• Current Draw: 300mA maximum
Time Interval
90 minutes
60 minutes
30 minutes
120 minutes
HK32EA001 operation)
Carrier Board
HK32EA001
HK32EA003
HK32EA003
HK32EA008
HK32EA001 Installation
1. Disconnect Power
2. Configure the dipswitch.
3. Connect terminals as shown in the wiring diagram.
4. Reapply power.
5. Check operation: (this will provide a shortened 2 second defrost
a. Jump R to Y.
b. Jump across the DFT terminals.
c. Short across the speedup pins.
d. Verify the relays toggle on/off based on the timing below.
Function
Defrost Time
Interval Time
6. Disconnect power.
7. Remove all jumpers.
8. Reapply power.
HK32EA003/HK32EA008 Installation
1. Disconnect Power
2. Configure the dipswitch.
3. Connect terminals as shown in the wiring diagram.
4. Reapply power.
5. Check operation: (this will provide a full 10minute defrost cycle if
a. Jump R to Y.
b. Jump across the DFT terminals.
c. Short across the speedup pins for 2 seconds and release. The
T1/T2 relay turns on (removes the ASC timer).
d. Short across the speedup pins for 5 seconds and release.
e. Verify the relays toggle on/off (removes interval timer).
6. Disconnect power.
7. Remove all jumpers.
8. Reapply power.
7313 William Barry Blvd.
North Syracuse, NY 13212
INSTALLATION
cycle).
Test Mode Times
Actual Time Equivalent Test Time
10 minutes 2.34 seconds
30 minutes 7.03 seconds
60 minutes 14.06 seconds
90 minutes 21.09 seconds
DFT pins remain shorted).
350
ICM
DEFROST TIMER
800.365.5525
LII365-3