© 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 & Specifications
KE2 Compressor Sequencer OEM - Main Board
NO
NC
CO
M
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
Input Voltage:
120/208/230 VAC
Ambient Temp:
-40
°
F to 140
°
F (-40
°
C to 60
°
C)
Operating Temp:
-40
°
F to 140
°
F (-40
°
C to 60
°
C)
Inputs:
(2) temperature sensors
(2) pressure transducers
(3) selectable temperature / digital inputs
Outputs:
(1) 0 to 10 VDC / 0 to 5 VDC - configurable
for variable speed or 0V/10V for Digital
Compressor Bypass Valve
①②
Relays:
(3) 10A inductive
Relay Functions:
Fixed speed, variable speed, digital com-
pressor, hot gas defrost relay, master liquid
line solenoid, unloader
Selectable Input Functions:
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 off
Communication:
Standard TCP/IP, API, XML, BACnet over
IP
③
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
Operating Temp:
-13
°
F to 131
°
F (-25
°
C to 55
°
C)
Relays:
10A inductive
Pressure Transducer
–
Suction Line pn 20201 (10ft.), 20204 (40 ft.)
Pressure Range:
0 to 150 psia
Proof Pressure
450 psi
Burst Pressure:
1,500 psi
Operating Temperature:
-40
°
F to 275
°
F (-40
°
C to 135
°
C)
Pressure Transducer
–
Discharge Line, Suction & Discharge Line for
R-744 pn 20202 (10ft.), 20712 (40 ft.)
Operating Range:
0 to 500 psig
Proof Pressure:
1,000 psi
Burst Pressure:
1,500 psi
Operating Temperature:
-40
°
F to 275
°
F (-40
°
C to 135
°
C)
Standard Temperature Sensor
pn 20199 (10ft.), 20200 (40 ft.)
Operating Temp:
-60
°
F to 150
°
F (-51
°
C to 65
°
C)
High Temperature Sensor
pn 21230 (15ft.)
Operating Range:
-40
°
F to 302
°
F (-40
°
C to 150
°
C)
