Nor-Lake Enviro-Control IOM - Manual (Page 6)

KE2 EvaporatorEfficiency
Installation Instructions
Figure 5 - KE2 Evaporator Efficiency - Diagram (back view)
208-240
120 120
Temperature Sensors Pressure
Transducer TSuct TAux TAir TCoil
line / L1
ground
neutral / L2
NC
NO
NO NC
NO NC
COM
COM
NC
Power In
gr
een re
d
black
NO
Transformer
3A Relay
3A Relay
COM
COM
COM
NC
NO
COM
NC
NO
18V
DI 1
DI 3
DI 2
Electric Valve*
Temperature Sensors (4) Pressure Transducer
RJ45 Ethernet Connection
Not Used
Fuse
ground
red
green
white
black
Alarm Relay
Fan Relay
(10 amp)
ground
signal +5
Defrost (Heater) Relay
(20 amp)
Bk/MDL-1/4
Time Delay
Liquid Line Solenoid
Power In
(compressor)
door switch
dual temp setting
pumpdown
Digital Inputs
Pressure Transducer
Wiring Detail black
red
green
Voltage
Selector
120V - Jumpers
1&2 3&4
208-240V Jumper
2&3 only
1 2 3 4
6 01/13 Rev. A 151627
Enviro-Control™