72
Culligan® Series M2 Reverse Osmosis
72
Cat. No. 01023095
GBE RO Controller Wiring
GROC Basic Sub-Panel Wiring Diagram
NOTE For Series M2 RO Systems, make sure the voltage selector switch is set at 230 VAC.
J15—
INLET
FLOW
METER
J20—MT
BOARD
FLOW
METER
J1—PRODUCT
WHITE
BL
AC
K
GREEN
PL
C OUTPUT
RF BO
ARD
CONNEC
TION
QUALITY
FLUS
H
SOLENOID
60
Hz
230
VA
C
315mA 250
VA
C
FAST
-A
C
TING FUS
E
5A 250V
AC
FAST
-A
C
TING
FUSE
Aux board J2 has pretreat lockout
and pressure switch
PIN 2: PRESSURE SWITCH
PIN 3: PRETRE
AT
LOCKOUT
PIN 4: COMMO
N
J12 has high and
low float switches
PIN 2: FL
T
HI
PIN 3: FL
T
LO
PIN 4: COMMO
N
NOTE: If there is
only ONE switch
installed then the
FS Hi Delay has to
be set at a value
greater than zero
.
J7
J10
J5
J6
J16
J17
2
3
4
J2
BL
AC
K
GREEN
RED
BL
AC
K
GREEN
RED
When water level is above the
float, the switch is CLOSED
and creates an electrical
connection between
A
and
B
A
B
A
B
In a float switch that is
NORMALL
Y
OPEN, there is no
electrical connection between
A
and B when water level is
below the float
Hi-Level
Float Switch
Lo-Level
Float Switch
ST
ORAGE
TA
NK
Pretreatment Lockout
Connection—a NORMALL
Y
OPEN PTLO Switch is open
normally
, but closes during
softener regeneration
PRETREA
TMENT
SOFTENER
INLET
PRESSURE
SWITCH
FEED
Drai
n
A
normally open inlet pressure
switch is OPEN when the
water pressure to the pump is
too low and CLOSED when
the pump pressure is suf
ficient
INLET
SOLENOID
VA
LV
E
PUMP
RO
MEMBRANE
PRESSURIZED
ST
ORAGE KI
T
D1013880
BLACK
BROWN
GREEN
RED
WHITE
NOTE: Set float switches to NORMALL
Y
CLOSED when using D1013880. When
using D1013880, the pressure switch is CLOSED when tank pressure is
below 40 psi. When tank pressure reaches 40 psi the pressure switch
opens and remains OPEN until pressure drops below 20 psi.
VOL
TA
GE SELEC
TO
R*
MODEM BO
ARD
CONNEC
TION
2
3
4
Figure 27.
GBE RO Controller Basic sub-panel wiring.