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Figure 6 — Unit Flow Chart
Pressure Switch
60psi on - 40 psi off
Reset
Button
Flow Switch
.07gpm off
Solenoid Valve
Inlet Flow
Solenoid Valve
Permeate
Dump
Warning Light
Figure 7 — Electrical Diagram 110V
Advanced Diagnosis for Certifi ed Technicians ONLY
Caution/Warning: High Voltage in the Control Box
Output
LED Color
PWR
Green
RUN
Green
ERR
Green
X1
Green
X2
Green
X3
Green
Y1
Red
Y2
Red
Y3
Red
NO1 (110-120VAC)
Red
Y5 (220-240VAC)
Red
PLC
OUTPUT
(FRONT)
MODULE
C1
C1
X1
NC1
X2
NO1
X3
X4
C2
C2
NC2
X5
X6
NO2
X7
X8
C3
C3
NC3
Y1
NO3
Y2
Y3
Y4
C4
NC4
C4
NO4
Y5
Y6
PLC
(BOTTOM)
24v
+
GND
-
1
2
3
4
BLK
BLK
24v
110 - 240 VAC
AC SOURCE
WHT
WHT
1 PHASE
COM
COM
GND
WHT
BLK
COM
Step Down
Transformer
GND
On when the units power cord is plugged in
On if PLC is powered with switch in run position
On when PLC is not functioning properly
On when the pressure-switch is closed telling PLC to make water
On when the fl ow-switch is closed signaling good fl ow
On when the reset button is being pressed down
On when the Inlet solenoid is being signaled by PLC to open (make RO-water)
On when the permeate rinse solenoid is being signaled by PLC to open (rinse)
On when The service indicator light is being signaled by PLC to turn on
On when the motor/pump is being signaled by PLC to turn on (make RO water)
GND
BLK
M
M
COM
BLUE
WHT
1/3 HP
1/3 HP
1 phase
1 phase
GND
BROWN
Pump Motor
Solenoid
Valve Inlet
Flow
Solenoid
Valve
Permeate
Dump
Warning Light
Figure 8 — Electrical Diagram 220V
Meaning
12
Reset Button
8
LEVER NUT
C1
12
12
X1
11
11
X2
X3
14
14
X4
3
C2
WIRE
NUT
X5
X6
1
2
X7
X8
TERMINAL BLOCK
C3
Y1
Y2
Y3
Y4
C4
Y5
Y6
A2
A1
PLC
(BOTTOM)
24v
-
+
GND
6
LEVER
NUT
7
LEVER NUT
5
LEVER
NUT
WHT
Center
BROWN
BROWN
BLUE
24v
GND
220 -
240 VAC
AC SOURCE
BLK/BARE
1 PHASE
BLUE
GND
Step Down
Transformer
Normal Running Condition
ON
ON
OFF
ON
ON
OFF
ON
On for 25 seconds then OFF
OFF
ON
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