- R & M Supply Greenhouse Controller Specification Sheet
Page 2 
“FRONT PANEL” 
OVERVIEW 
 “The CGC-1e is a self-contained greenhouse control system designed for people who want a reasonable, simple to 
operate, complete greenhouse controller.  
EXAMPLE CONNECTION DIAGRAM 
DO NOT EXCEED 15 AMPS TOTAL
Night device 
outlet
Hydro “ON” 
timer
CO
2
 device 
outlet 
24-hour 
timeclock
(2) Exhaust 
outlets
Humidity 
controller 
CO
2
 “ON” 
timer 
Optional PPM–1c 
quick connect 
Hydro “OFF” 
timer
(2) Light 
outlets 
CO
2
 “OFF” 
timer
Hydro mode 
selector switch 
Temperature 
controller 
(2) Hydro pump 
outlets 
Fuse protected 15-amps 
@ 
120
volts
Control up to (2) 
Exhaust Fan(s) or
A/C units 
1
000 
600
Control (2) pumps. 
Selectable 24-hour 
operation or daytime only. 
15-amp fuse 
protected 
 CGC-1e 
Exhaust         Lights 
 Night 
             Hydro 
 CO
2
PPM
O
p
tion
24-hour 
Timeclock 
PPM-1c 
1250
CO
2
 Valve 
or Generator 
Fan, heater, or 
dehumidifier 
600
Optional CO
2
PPM sensor 
Control multiple HID lights 
with a MLC or UPM 










