ICM Controls ICM333 User Manual

ICM333
Head Pressure Control with
Optional Heat Pump Override
Regulates head pressure via
temperature or pressure input
Installation, Operation & Application Guide
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products – plus wiring diagrams, troubleshooting tips and more,
visit us at www.icmcontrols.com
Caution!
Installation of the ICM333 shall be performed by trained technicians only. Adhere to all local and national electric codes. Disconnect all power to the system before making any connections.
• Line voltage:120,208,240,277,480and600VAC
• Control voltage:18-30VAC
• Frequency:50-60Hz
• Operating temperature:-40ºFto+176ºF(-40°Cto+75°C)
• Probes: –Temperature:Thermistor,10Kohmat77°F(25°C)
 –Pressure:ICM380(orderedseparately)
• Heat pump override:24VACN.C.orN.O.
• Weight:12ounces(341grams)
Specifications
Note: TheICM333shouldbeappliedtomotorsandequipmentthathavebeendesignatedbytheir
respectivemanufacturersascapableofbeingspeedcontrolled.
• Mounting:
 – Surfacemountusing(2)#8screws
 – TheICM333shouldbesurfacemountedtoacleanmetalorotherthermallyconductivesurface
formaximumheatdissipation
 – ItisrecommendedthattheICM333bemountedawayfromthecondenserexhaustairinorderto
maintainloweroperatingtemperatures
LIAF010-1
7313 William Barry Blvd., North Syracuse, NY 13212
(Toll Free) 800-365-5525 (Phone) 315-233-5266 (Fax) 315-233-5276
www.icmcontrols.com
ONE-YEAR LIMITED WARRANTY
TheSellerwarrantsitsproductsagainstdefectsinmaterialorworkmanshipforaperiodofone(1)
yearfromthedateofmanufacture.TheliabilityoftheSellerislimited,atitsoption,torepair,replace
orissueanon-casecreditforthepurchasepricesofthegoodswhichareprovidedtobedefective.
Thewarrantyandremediessetforthhereindonotapplytoanygoodsorpartsthereofwhichhave
beensubjectedtomisuseincludinganyuseorapplicationinviolationoftheSeller’sinstructions,
neglect,tampering,improperstorage,incorrectinstallationorservicingnotperformedbytheSeller.
InordertopermittheSellertoproperlyadministerthewarranty,theBuyershall:1)NotifytheSeller
promptlyofanyclaim,submittingdatecodeinformationoranyotherpertinentdataasrequestedby
theSeller.2)PermittheSellertoinspectandtesttheproductclaimedtobedefective.Itemsclaimed
tobedefectiveandaredeterminedbySellertobenon-defectivearesubjecttoa$30.00perhour
inspectionfee.ThiswarrantyconstitutestheSeller’ssoleliabilityhereunderandisinlieuofanyother
warrantyexpressed,impliedorstatutory.Unlessotherwisestatedinwriting,Sellermakesnowarranty
thatthegoodsdepictedordescribedhereinaretforanyparticularpurpose.
Example
1.Onlyoneprobetypecanbeusedatatime,temperatureorpressure.Uptotwo
probesofakindcanbeusedinwhichcasethecontrolwillrespondtotheprobe
thatsensesthehighesttemperatureorpressure.
2.AtypicalinstallationisshowninAppendix.Thetemperatureprobecanbe
attachedtotheU-bend.Usetheprovidedthermo-tapetosecuretheprobetothe
placeofattachment.
3.Whenusingapressureprobe,installitonthedischargelinetransducertting.
4.TemperatureandPressureprobesareconnectedtoICM333asshownin
respectivewiringdiagramsbelow.
Installing and Connecting the Probe
BLUE
WHITE
GREEN
RED
BLACK
PRESSURE TRANSDUCER
2
BLUE
WHITE
GREEN
RED
BLACK
PRESSURE TRANSDUCER
1
TEMPERATURE
PROBE 1
TEMPERATURE
PROBE 2
Connections for ICM333 at 120/208/240/277 VAC
1.Removepowerfromsystem.
2.FieldinstallawirefromLine 1wiretoLine 1terminal.
3.CutLine 2wire;afxmotorsidetoMotor 2terminal
andlinesidetoLine 2terminal.
4.Make24VACandtemperatureprobeconnections.
5.Verifywiringiscorrect.
6.Powerupsystemandcheckoperation.
Typical
condenser fan
PSC
Fan
Motor
Run
Capacitor
120/208/240/277
VAC
PSC
Fan
Motor
Run
Capacitor
Field
Installed
Wire
Line
1
120/277
VAC
Line
2
Motor
2
120/208/240/277
VAC
Connections for Heat Pump System at 120/208/240/277 VAC
1.Removepowerfromsystem.
2.FieldinstallawirefromLine 1wiretoLine 1terminal.
3.CutLine 2wire;afxthecommonfromthedefrost
board’sfanrelaytotheMotor 2terminalandtheLine
fromthecontactortotheLine 2terminal.
4.Make24VAC,probeandHPconnections.
5.Verifywiringiscorrect.
6.Powerupsystemandcheckoperation.
Field
Installed
Wire
PSC
Fan
Motor
Run
Capacitor
Fan
Relay
COM NC
Defrost Board
120/208/240/277
VAC
Line
1
120/240/277
VAC
Line
2
Motor
2
Connections for Heat Pump System at 480/600 VAC
1.Removepowerfromsystem.
2.FieldinstallawirefromLine 1wiretoLine 1terminal.
3.CutLine 2wire;afxthecommonfromthedefrost
board’sfanrelaytotheMotor 2terminalandtheLine
fromthecontactortotheLine 2terminal.
4.Make24VAC,probeandHPconnections.
5.Verifywiringiscorrect.
6.Powerupsystemandcheckoperation.
Connections for ICM333 at 480/600 VAC
1.Removepowerfromsystem.
2.FieldinstallawirefromLine 1wiretoLine 1terminal.
3.CutLine 2wire;afxmotorsidetoMotor 2terminal
andlinesidetoLine 2terminal.
4.Make24VACandtemperatureprobeconnections.
5.Verifywiringiscorrect.
6.Powerupsystemandcheckoperation.
Typical
condenser fan
PSC
Fan
Motor
Run
Capacitor
Line
1
Line
2
Motor
2
Field
Installed
Wire
PSC
Fan
Motor
Run
Capacitor
Line
1
Line
2
Motor
2
Field
Installed
Wire
PSC
Fan
Motor
Run
Capacitor
Fan
Relay
COM NC
Defrost Board

ICM Controls ICM333 Specifications

General

Brand	ICM Controls
Model	ICM333
Category	Control Unit
Language	English