Nortec Industries MHB - Manual (Page 4)

MH Wiring Diagram
MH Series (120 Vac)
FLOW INTERNAL WIRING DIAGRAM
Diagram No. 2543942 Rev. A Nov. 25, 2008
X
4
X5
X7
N
N
UV Lamp
Drain Valve
Inlet Valve
N
Pump
R
e
s
2
L
e
v
e
l
M
a
x
L
e
v
e
l
M
in
/P
S
+
2
4
V
R
e
s1
X
3
+
2
4
V
0
-1
0
V
G
N
D
In
p
u
t
G
N
D
X
1
5
V
X
2
2
4
V
5
V
Max. Level
X1
0
N L
1
L
1
N
X1
1
X9
P N
P
1
L
1
N S
C
S
C
P
T
1
P
T
2
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
2
4
V
a
c
S
e
c u
ri
ty
L
o o
p
G
N
D
C
h
a n
n
e
l 1
+
5
V
d
c
G
N
D
Optional UV Lamp
} }
O
N
A
c
ti
v
e
} }
S
e
rv
ic
e
F
a
u
lt
4 2 3
5 1
L1 N 8 9 10 11 13 12 15 14 17 16 3 4 5 7 6 1 2
10
9
8
11
14
16
17
1 2
120/24
Vac
Hydraulic Unit
Internal
External
S
p
a
re
18 20 21 22 23 24 25 26 27
6.25A
3 4 6
13
R1
18 19 12