Brochure
Emerson Climate Technologies
105
EX Valves & Controls
Ordering Information
Description Type PCN
SuperheatController EC3-X32 807782
TerminalKit K03-X32 807644
TemperatureSensor ECN-N60 804497
ElectricalControlValve EX4-EX8** **
PressureSensors(R-22/R-124/
R-134a/R-404A/R-407C/R507C)
PT5-07M 802350
PressureSensor(R-410A) PT5-18M 802851
PressureSensor(R-744) PT5-30M 802352
PlugandCableAssemblyfor
PressureSensor
PT4-M60 804805
OptionalDisplay/Keypad ECD-002 807657
CableConnectionbetween
EC3-X32andECD-002
ECC-N30orany
standardCat5
patchcordwith
RJ45connectors
807861
ReplacementBattery EC3 807790
**ForfurtherdetailsrefertotheEX4-EX8productpage.
Dimensional Data
Specifications
• Supplyvoltage: 24VAC±10%,50/60Hz
• Digitalinput: 24VAC±10%,50-60Hz,24VDC±10%
• Powerconsumption: 25VAmax.includingconnectedEX
valveanddisplay/keyboard
• Internalbattery
chargingtime: Approx.2hoursifbatteryisfulllyempty
• Plug-inconnectorsize:Removablescrewversion,wiresize
12-20AWG
• Groundconnection: 1/4in.spadeearthconnector
• Applieddirective: EMC,LVD,RoHS(EN61326,
EN50081,EN61000-6-2,
EN61000-4-2,EN61000-4-3,
EN610004-4,EN61000-4-5,
EN61000-4-6,EN61000-4-11)
• Marking: CE
• Temperatures: Storage,-5°F,to+150°F
Operating,32°F,to+140°F
• Humidity: 0–80%R.H.noncondensing
TheEC3isastand-aloneuniversalsuperheatcontrollerforstable
superheatcontrolwithsteppermotordrivenelectroniccontrol
valvesandisusedforairconditioning,refrigerationandindustrial
applicationssuchaschillers,industrialprocesscoolingrooftops,
heatpumps,packageunits,closecontrols,coldroom,foodprocess
andairdriers.WiththeEC3-X32,parameterscanbedownloaded
throughECD-002orthroughTCP/IPcompatibleinterface.
Features
• SuperheatcontrolinconjuctionwithEmersonstepper
motordrivenelectricalcontrolvalvesEX4-EX8
• Limitationofevaporatingpressure(MOP)
• Lowandhighsuperheatalarm
• Lowpressureswitchfunction/alarm
• Freezeprotectionfunction/alarm
• Pumpdownfunction
• Monitoringofsensorsandsensorwiringanddetection
ofsensorandwiringfailures
• Intelligentalarmmanagementtoprotectthecompressor,
i.efailsafeoperation
• IntegralrechargeablebatterytocloseEXcontrolvalves
incaseofpowerloss.
• SupportofTCP/IPEthernettechnologywithWebServer
functionalityallowsmonitoringandcongurationof
controllersthroughastandardWebBrowser
• Electricalconnectionviaplug-intypescrewterminal
• AluminumhousingforDINrailmounting
EC3-X32 Superheat Controller