ICM Controls ICM492 - User Manual

ICM492
Single Phase Digital Line Voltage Monitor
Reliable protection of single phase systems against adverse line voltage conditions
SPECIFICATIONS
User Adjustable Settings:
•Voltage setpoint:95-280V
•Anti-short cycle time delay:0-720sec.
•Over voltage setting:5-25%
•Under voltage setting:5-25%
•Control mode:OnandOff
•Response time:0.1to10seconds
Inputs:
•Line voltage:80to300VAC
•Control voltage:24to240VAC
•Frequency:50/60Hz
•Accuracy:±2%
•Low power consumption:Max50mA@120V,
 Max100mA@240V
Output:
•Type:dryrelaycontacts
•Form:SPDT
•Relay contact ratings:
 –N.C. Contacts:10Aresistive@277VAC
 –N.O. Contacts:10Aresistive@277VAC
•Connection Terminals:0.25”malefast-on
Mechanical:
•Case dimensions:3”Lx3.2”Wx1.35”H
•Unit weight:0.36lbs.
Environmental:
•Operating temp. range:-30°Cto+70°C
•Storage temp. range:-40°Cto+85°C
•Maximum operating/storage relative humidity:
95%non-condensing
7313 William Barry Blvd., North Syracuse, NY 13212
(Phone) 315-233-5266 (Toll Free) 800-365-5525
(Fax) 315-233-5276
www.icmcontrols.com
LII335-3
Constantly monitors and displays line
voltage. Protects against Over and Under
voltage, and Rapid Short Cycling caused by
Transient Faults and Power Interruptions
TheICM492isspecicallydesignedtomonitorline
voltageandguardsinglephaseequipmentagainst
damagecausedbyunderandoverlinevoltage
conditionsandrapidshortcycling.Recordslastve
faults.
DESCRIPTION
•UniversalLineVoltage
Input
•Easy-viewBacklitDigital
Display
•RMSVoltageMonitoring
•5-faultmemorystorage
•AdjustableVoltageSet
Point
•AdjustableOverVoltage
SetPoint
•AdjustableUnder
VoltageSetPoint
FEATURES
•AdjustableAnti-Short
CycleTimeDelay
•AdjustableResponseon
FaultTime
•ControlMode
•5-FaultMemory
•UniversalControl
VoltageInput
•HeavyDutySPDTRelay
Output
TheICM492continuouslymonitorsincominglinevoltage
forfaultsanddisplaysRMSvoltageonthedigital
display.Whenlinevoltageisappropriate,ICM492closes
theCOMandN.O.relaycontacts.Whenincomingline
voltageisoutsideofuserselectedparameters,ICM492
willclosetheCOMandN.C.relaycontactsandindicate
afaultconditionbyashingFAULTondisplay.Theunit
recordsthelastvefaults,storingthehighestandlowest
voltagereadingsthatcausedthefault.TheUP,DOWN
andSELECTbuttonsarepressedsimultaneouslyto
clearthefaultsfrommemory.TheSELECTmenuhas
thefollowinguseradjustablesettings:voltagesetpoint,
timedelay,overvoltagepercentage,undervoltage
percentage,controlmode,andresponsetime.Time
delaypreventsshortcyclingwhenfaultnolongeris
presentandrapidpowerinterruptions.Theresponse
timeonthefaultconditioncanbeadjustedtohelp
reducenuisancetripsfromtransientfaults.When
ControlModesettingisselectedONthenICM492will
closeCOMandN.O.relaycontactsonlywhencontrol
voltageispresentatControlVoltageterminalsandthe
linevoltageisgood.Therelaycontactscanbeused
todirectdrivetheloadaslongascurrentratingisnot
exceeded.
MODE OF OPERATION
!!! WARNING !!!
ElectricalShockHazard
• Verify power is disconnected by removing a fuse
or opening a circuit breaker before making any
connections.
• This control should be installed by a trained technician.
• Incorrect installation can cause personal injuries,
property damage or death.
• Follow all local & national codes while installing control.

ICM Controls ICM492 Specifications

General

Brand	ICM Controls
Model	ICM492
Category	Controller
Language	English

Summary

Description

Features

Specifications

User Adjustable Settings

Details adjustable settings like voltage setpoint, anti-short cycle time delay, over/under voltage percentage, control mode, and response time.

Inputs

Specifies input voltage range, control voltage, frequency, accuracy, and low power consumption.

Output

Defines output type, form, relay contact ratings (N.C. and N.O.), and connection terminals.

Mechanical

Provides case dimensions and unit weight for the device.

Environmental

Outlines operating and storage temperature ranges, and humidity limits.

Mode of Operation

Electrical Shock Hazard

Installation

Select Menu Setup

Voltage Set Point

Allows adjustment of the voltage set point for system monitoring.

Time Delay

Sets the lockout time duration after a fault occurs.

Over Volt Percentage

Defines the percentage above set voltage for an over-fault.

Under Volt Percentage

Defines the percentage below set voltage for an under-fault.

Control Mode

Configures relay operation based on line and control voltage presence.

Response Time

Determines the duration a fault must persist before system shutdown.

Fault History

Displays recorded fault voltages and indicates if memory is empty.

Wiring Diagrams