© Copyright 2019 KE2 Therm Solutions, Inc., Washington, Missouri 63090
Q.2.60 March 2019
Page 2
KE2 Compressor Sequencer OEM pn 21768
Quick Start Guide
Dimensions & Specicaons
KE2 Compressor Sequencer OEM - Main Board
NO NC
COM
EARTH
11.20”
11.00”
5.70”
2.80”
3.25”
0.20”
0.20”
Ø0.150” Hole Thru
(6 places)
0.06”
1.60”
0.10”
ON
1 2 3 4
5 6 7 8
8.5”
3.25”
0.06”
1.50”
KE2 Compressor Sequencer OEM – Main Board pn 21768
120/208/230 VAC
-40°F to 140°F (-40°C to 60°C)
-40°F to 140°F (-40°C to 60°C)
(2) temperature sensors
(2) pressure transducers
(3) selectable temperature / digital inputs
(1) 0 to 10 VDC / 0 to 5 VDC - congurable
for variable speed or 0V/10V for Digital
Compressor Bypass Valve
①②
(3) 10A inducve
Fixed speed, variable speed, digital com-
pressor, hot gas defrost relay, master liquid
line solenoid, unloader
Internal compressor temp, room temp,
monitor temp, hot gas defrost request, 2nd
pressure, 2nd temp, compressor module
alarm, high pressure safety alarm, oil pres-
sure safety alarm, system o
Standard TCP/IP, API, XML, BACnet over
IP③
① Digital Compressor Bypass Valve control requires PN 21304.
② Controller is designed to operate with Copeland Scroll Digital Compressor.
③ Requires KE2 Edge Manager PN 21634. Not available at release.
Digital Switch Relay– pn 21032
-13°F to 131°F (-25°C to 55°C)
10A inducve
Pressure Transducer – Sucon Line pn 20201 (10.), 20204 (40 .)
0 to 150 psia
Proof Pressure 450 psi
1,500 psi
-40°F to 275°F (-40°C to 135°C)
Pressure Transducer – Discharge Line, Sucon & Discharge Line for
R-744 pn 20202 (10.), 20712 (40 .)
0 to 500 psig
1,000 psi
1,500 psi
-40°F to 275°F (-40°C to 135°C)
Standard Temperature Sensor pn 20199 (10.), 20200 (40 .)
-60°F to 150°F (-51°C to 65°C)
High Temperature Sensor pn 21230 (15.)
-40°F to 302°F (-40°C to 150°C)
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