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Emerson Climate Technologies
93
EX Valves & Controls
Features
• Positiveshut-off,noneedforabattery
• IP67MoistureProtection-Operatesinhumid,icy,andwet
environments
• Superiorcontrolresolutionforhighefciency(steppermotor
driven)
• Verylonglife,Highreliability
• Take-apartconstructionforeasyeldserviceability
 –Cleanable/removablestrainer
 –Fieldexchangeablepinandorice
• 1valveassemblywith8eldserviceablepin/orice
combinationsforexiblecapacity
Key Specifications
• MWP:500psig
• MOPD:360psig(Uni-ow)
• IP67(withproperplugs)
• WorkingTemperature:-58~167°F(liquid)
• Seatleakage:16SCCM
• Integralsolenoidcoilwiththreevoltageoptions:
230VAC/120VAC/24VAC
• Certication:UL/CE
TheEmersonEX3isanelectronicallycontrolledexpansiondevicethat
providesprecisecontrolofrefrigerantowandsystemsuperheat.TheEX3
employsahighresolution,linearsteppermotorinconjunctionwithabuilt
insolenoidtoprovidepositiveclosureintheeventofpowerinterruption.
Thisautomatic“shut-off”capability,combinedwithatake-a-part
constructionandwaterresistantdesign,maketheEX3arobustsolution
formanyapplicationsincludingsupermarketcasesandwalk-ins.
EX3 Electronic Expansion Valve
Ordering Information
TheEX3offersseveraldifferentexchangeablecomponentstomaximizeexibility
Step 1 Step 2 Step 3 Step 4 Step 5
Sizing
ValveAssembly
Order
Stator
Select
StatorPlug
withLeadWire
Select 
SolenoidCoil
Order
CoilConnector
Valveassemblywith
differentpinandoricesizes
(capacity)
Steppermotor,
withO-ring
M12statorplug
withleadwires
Solenoidcoilwith
O-ringsandscrewcap
Connectorfor
reliableIP67seal
Options:
EX3-2000~EX3-5000
EX3-6000~EX3-9000
Options:
EX3-S012
Options:
EX3-M300:3meters
EX3-M600:6meters
Options:
EX3-C230:220-230VAC
EX3-C120:110-120VAC
EX3-C024:24VAC
Options:
EX3-PL67
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