ICM Controls ICM450 Application Guide

3
Installation
Incoming 3-phase
voltage from load or
“back” side of contactor
(optional)
* 1 amp fuse recommended
(check local codes)
FUSE*
LOAD
1
LOAD
2
LOAD
3
LINE
1
LINE
2
LINE
3
Incoming 3-phase
voltage from line or
“front” side of contactor
The incoming 3-phase
voltage is used to power
up the ICM450 as well
(190-600)
FUSE*
FUSE*
Figure 1
1. Using (2) #8 screws, mount the ICM450 in a cool, dry, easily accessible location in the control
panel.
2. Connect voltage as shown in Figure 1 (below). Leave existing line and load side connections
intact on the contactor.
3. Load side monitoring is optional (unit may be used to monitor line side only).
Wire the contactor and optional control voltage monitoring as in Figures 2 and 3 (below).
Note: Load/line wire must be rated for 3-phase voltage rating, 20ga minimum.
4. Upon application of power, the ICM450 will be on line and will begin to monitor the system.
• Terminals 1 and 3 are the control signal input terminals
• “Control Mode” is turned ON or OFF in setup
• With “Control Mode” set to “ON,” there must be a
voltage present on terminals 1 and 3 for the relay
output terminals 4 and 6 to close; this voltage can be
supplied from a thermostat, pressure switch, etc.
• When the voltage on these terminals is re-applied, the
unit will not re-energize until the delay on break
(0-10 minutes) time has elapsed
• Use of terminals 1 and 3 is optional; they will be
ignored if the “Control Mode” is set to “OFF”
Control Voltage
(18-240 VAC)
Short pins when
using 24 VAC
control voltage
Figure 2
* Switch can be
a thermostat,
pressure
switch, etc.
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6 5 4
• Terminals 4 and 6 are “dry,” normally open contacts
• Terminals 4 and 6 are closed when power is within
specications
• Terminals 4 and 6 open when there is a fault
condition or loss of control signal
Contactor Voltage (18-240 VAC)
Contactor Coil
Figure 3
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6 5 4

ICM Controls ICM450 Specifications

General

Brand	ICM Controls
Model	ICM450
Category	Measuring Instruments
Language	English