Brochure

Emerson Climate Technologies
106
EX Valves & Controls
Ordering Information
Description Type PCN
SuperheatController EC3-X33 807783
TerminalKit K03-X33 807645
TemperatureSensor ECN-N60 804497
ElectricalControlValve EX4-EX8** **
PressureSensors(R-22/R-124/
R-134a/R-404A/R-407C/R507C)
PT5-07M 802350
PressureSensor(R-410A) PT5-18M 802851
PressureSensor(R-744) PT5-30M 802352
PlugandCableAssemblyfor
PressureSensor
PT4-M60 804805
OptionalDisplay/Keypad ECD-002 807657
CableConnectionbetween
EC3-X33andECD-002
ECC-N30orany
standardCat5patch
cordwithRJ45
connectors
807861
ReplacementBattery EC3 807790
**ForfurtherdetailsrefertotheEX4-EX8productpage.
Dimensional Data
Specifications
• SupplyVoltage: 24VAC±10%,50/60Hz
• DigitalInput: 24VAC±10%,50-60Hz,24VDC±10%
• PowerConsumption: 25VAmax.includingconnected
  EXvalveanddisplay/keyboard
• Internalbattery
 chargingtime: Approx.2hoursifbatteryisfulllyempty
• Plug-inconnectorsize:Removablescrewversionwiresize 
  12-20AWG
• Groundconnection: 1.4in.spadeearthconnector
• AppliedDirective: EMC,LVD,RoHS
  EN61326,EN50081,EN61000-6-2,
  EN61000-4-2,EN61000-4-3,
  EN610004-4,EN61000-4-5,
  EN61000-4-6,EN61000-4-11)
• Marking: CE
• Temperatures: Storage:-5°Fto+150°F
  Operating:32°Fto+140°F
• Humidity: 0–80%R.H.noncondensing
TheEC3isastand-aloneuniversalsuperheatcontrollerforstable
superheatcontrolwithsteppermotordrivenelectroniccontrol
valvesandisusedforairconditioning,refrigerationandindustrial
applicationssuchaschillers,industrialprocesscoolingrooftops,
heatpumps,packageunits,closecontrols,coldroom,foodprocess
andairdriers.TheEC3-X33requirestheuseoftheECD-002
displaykeypadunitforsettingupthecontroller.
Features
• SuperheatcontrolinconjuctionwithEmersonstepper
 motordrivenelectricalcontrolvalvesEX4-EX8
• Limitationofevaporatingpressure(MOP)
• Lowandhighsuperheatalarm
• Monitoringofsensorsandsensorwiringanddetection
 ofsensorandwiringfailures
• Intelligentalarmmanagementtoprotectthecompressor,
 i.efailsafeoperation
• IntegralrechargeablebatterytocloseEXcontrolvalves
 incaseofpowerloss.
• Electricalconnectionviaplug-intypescrewterminal
• AluminumhousingforDINrailmounting
EC3-X33 Superheat Controller