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MH Wiring Diagram
MH Series (120 Vac)
FLOW INTERNAL WIRING DIAGRAM
Diagram No. 2543942 Rev. A Nov. 25, 2008
X4
X5
X7
N
N
UV Lamp
Drain Valve
Inlet Valve
N
Pump
Res2
Level Max
Level Min/PS
+24V
Res1
X3
+24V
0-10V
GND
Input
GND
X1
5V
X2
24V
5V
Max. Level
X1
0
N
L1
L1
N
X1
1
X9
P
N
P1
L1
N
SC
SC
PT1
PT2
F4
(200
mA)
F1
(6.3 A)
F3
(630
mA)
F2
(1.0 A)
Main Switch
Primary
Terminal
Block
Internal
External
Drain Valve
Inlet Valve
Inlet Water Pressure Switch
Stage 1 Valve
Stage 2 Valve
Stage 3 Valve
X6
N
Stage 3
Stage 2
Stage 1
24 Vac
Security Loop
GND
Channel 1
+5 Vdc
GND
Optional UV Lamp
}
}
ON
Active
}
}
Service
Fault
4
2 3
5
1
L1 N
8 9 1011 1312 1514 17163 4 5
7
61 2
10
9
8
11
14
16
17
1
2
120/24
Vac
Hydraulic Unit
Internal
External
Spare
18
2021 222324 2526
27
6.25A
3 4 6
1
3
R1
18 19
12