2. ICM Controls
  3. ICM492C
ICM492C

ICM Controls ICM492C Installation guide

  • Hello! I am an AI chatbot trained to assist you with the ICM Controls ICM492C Installation guide. I’ve already reviewed the document and can help you find the information you need or explain it in simple terms. Just ask your questions, and providing more details will help me assist you more effectively!
  • What does the ICM492C monitor?
    What types of faults does the ICM492C protect against?
    How many faults can the ICM492C store in its memory?
    How do I clear the faults from the ICM492C's memory?
    What is the adjustable voltage setpoint range?
    What is the adjustable time delay range?
    What is the adjustable over voltage percentage range?
    What is the adjustable under voltage percentage range?
    What is the adjustable response time range?
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.
!!! DANGER !!!
Verify power is disconnected by removing a fuse or opening a circuit breaker before making
any connections or injury or death can result.
1. Disconnectpower.
2. MountICM492securelyagainstthemetalchaisesofthesysteminawaterproofenvironment.
3. Ifacontactororarelayisusedinthesystem(seeFig.1)tocontrolpowertotheloadthen:
 a. MakeL1andL2connections.
 b. Cutthewirethatpowersthecontactor/relaycoil,stripandplace1/4”femalespadeterminalsonthem.
 c. PlugfemalespadeterminalsonCOMandN.O.terminalsofICM492.
4. Shouldyouchoosetodrivetheloaddirectly(seeFig.2)usingrelaycontactsofICM492then:
 a. MakesurethatloadcurrentratingdoesnotexceedcurrentratingofICM492relaycontacts.
 b. Cutthelinethatpowerstheload,stripandplace1/4”femalespadeterminalsonthem.
 c. PlugfemalespadeterminalsonCOMandN.O.terminalsofICM492.
5. ShouldyouchoosetouseacontrolsignalatControlVoltageinputterminalsthen:
 a. Usetwowireswith1/4”femalespadeterminalsonthemtoplugonControlVoltageterminalsofICM492.
 b. Tapintocontrolsignalwiththeotherendofthewires.
6. PressSELECTbuttontoentertheselectmenu.
a. UseUpandDownarrowstoadjustfeaturesettings.
b. MakesurethattheControlModeisONifthecontrolsignalisusedatControlVoltageterminals.
INSTALLATION
WIRING DIAGRAMS
Figure 1 Figure 2
Motor
*Notnecessarybutrecommended1Ampfuse.
PressSELECTtoentermenusetup
• VOLTAGESETPOINTdisplays(95–280VAC)
• Adjustthistomatchthevoltageofyoursystem.
• Useupordownbuttontoadjust.
PressSELECTfornextscreen
• TIMEDELAY(Lockout)displays(1-720seconds)
• Thisistheamountoftimeyoursystemwillbelocked
outafterafault.
• Useupordownbuttontoadjust.
PressSELECTfornextscreen
• OVERVOLTPERCENTAGEdisplays(5-25%)
• Thisisthepercenttheactualvoltagemustbeabove
yourSetVoltageforanoverfaulttooccur.
• Useupordownbuttontoadjust.
PressSELECTfornextscreen
• UNDERVOLTPERCENTAGEdisplays(5-25%)
• Thisisthepercenttheactualvoltagemustbebelow
yourSetVoltageforanunderfaulttooccur.
• Useupordownbuttontoadjust.
SELECT MENU SETUP
PressSELECTfornextscreen
• CONTROLMODEdisplays(OFF-ON)
• WhensettoON,therelaycontactscloseonlywhen
linevoltageconditionsaregoodandvoltageis
presentattheControlVoltageterminals.
• Useupordownbuttontoadjust.
PressSELECTfornextscreen
• RESPONSETIMEdisplays(.01-10seconds)
• Thisistheamountoftimethefaultconditionmust
existbeforeyoursystemisturnedoff.
• Useupordownbuttontoadjust.
PressSELECTfornextscreen
• FAULT1-5displays
• Thisisthevoltageofthefaultthathasoccurred.
• –––Indicatesnofaultisinmemory
NOTE:Faults can be cleared by simultaneously
pressing the UP, DOWN and SELECT buttons
after exiting SELECT Menu Setup.
After15secondsofbuttoninactivity,thecontrolexits
SELECTMenuSetupscreen.
/