Brochure
Optical encoder allows for
fast input of all operating
parameters
Small and simple design makes
installation and setup easy and fast
3.38” (8.59 cm)
4.12” (10.46 cm)
2.8” (7.11 cm)
2.74” (6.96 cm)
2.27” (5.77 cm)
RJ-45
Socket
The Kelvin II line of controllers is the perfect solution for installations that require precise and automatic control of temperatures and pressures in a wide variety of applications.
Superheat Control
•Truepressure/temperature
stand-alonesuperheatcontroller
viaEEVcontrol
•RemoteaccessviaModbus
•Pumpdownmodeviadry
contactinput
•Manualvalvepositioning
•Energyefcientsystem
operationthoughmoreaccurate
valvecontrol
Subcool Control
• Controlsliquidtemperature
usinganEEV
• Providessecondarycontrolof
superheatforsystemprotection
• Displaysactualleavingliquid
temperature,superheat,suction
pressure,valveposition,
controllerstatus,andalarms
• Pumpdownmodeviadry
contactinput
• Manualvalvepositioning
• RemoteaccessviaModbus
Temperature Control
• Temperaturecontrolviaelectric
valve(ie:SDR)
• Increasedoperatinglimits(-50°F
to+299°F)
• RemoteaccessviaModbus
• Pumpdownmodeviadry
contactinput
• Manualvalvepositioning
• Advancedalgorithmwith
AUTOPIDtooptimizesystem
performance
• Optionalhightemperature
selectionfordischargecontrol
(60°Fto+299°F)with98.6K
temperaturesensor
• Optionaltemperaturedelta
control(maintainsT1-T2)
Pressure Control
• Controlselectricevaporator
regulatorvalve(CDS)orhotgas
bypassvalve(SDR)toregulate
systempressure
• RemoteaccessviaModbus
• Pumpdownmodeviadry
contactinput
• Manualvalvepositioning
• Advancedalgorithmwith
AUTOPIDtooptimizesystem
performance
• Headpressurecontroltoreplace
mechanicalA8andA9valves
• Supportsinletoroutletregulator
(ie:A80E)
AllmodelsareULapproved.
DIN rail mounting
Easy access screw terminals provide
reliable connections for all inputs
RS485 serial network
connection and full
Modbus compatibility
Easy to read, 4-digit /
7-segment LED display