Warning, H1 h 2 h 3 h 4 x f, Ac power terminal block – Multiquip ST4125D User Manual
Page 18: Overload relay, Manual/auto switch off/on lamp transformer, Heater see table 2, 3 phase ac output power cable, 3 phase ac input power cable
PAGE 18 — ST-4125D/ST-6125D SUBMERSIBLE PUMPS — OPERATION AND PARTS MANUAL — REV. #1 (06/12/08)
Figure 8. Three Phase
Control Box/Pump System Diagram
ST-4125D/ST-6125D — 3-PHASE POWER INSTALLATION
2. START FLOAT
SWITCH. CONNECT
TO TERMINALS 1 AND 2
3. STOP FLOAT
SWITCH. CONNECT
TO TERMINALS 3 AND 4
MOUNT CONTROL
BOX IN AN UP-LEFT
VERTICAL POSITION
AS SHOWN.
FLOAT SWITCH
TERMINAL BLOCK
CONTROLLER
M
A
I
N
T
R
I
P
L3
L2
T2
T1
T
3
R
E
S
E
T
L1
1
L2
3
L3
5
1-
2-
3-
4-
1-
2-
3-
4-
T1
2T1
2
T3
6
T2
4
AEG
L2
L3
L1
1
3 2
FUS
ET
DUEL-ELE
FUSE
-
8/10
FN
M
M
IC
R
O
N
C
O
N
T
R
O
L
T
R
A
N
S
F
O
R
M
E
R
(7
0
8
)
5
4
7
-0
9
0
0
C
A
T.
N
O
.
B
0
7
5
B
T
Z
1
3
J
K
T
E
M
P
.
1
0
5
7
5
V
A
50/60H
Z
L
IS
T
E
D
7
0
2
X
0
40
2
4
C
L
.
C
U
.S
.
P
A
T
.N
O
.
3516040
Im
p
e
rv
iT
R
A
N
R
)
(
X
2
X
F
X
1
H4
H2
H3
H1
11
0
11
5
120
X
1
H
1
H
2
H
3
H
4
X
F
X
2
1
2
3
4
1
22
0
2
3
0
2
4
0
4
4
0
4
60
4
8
0
4
2
3
3
1
6
1
0
2
5
-0
2
3
/0
0
-3
-4
3 PHASE
AC OUTPUT
POWER CABLE
BLACK
FLOAT
SWITCH
INPUTS
3 PHASE
AC INPUT
POWER CABLE
WHITE
AC POWER
TERMINAL BLOCK
1.SECURE FLOAT SWITCH
WIRES TO PUMP
DISCHARGE HOSE
L1
L2
L3
PUMPING
RANGE
SUBMERSIBLE
PUMP
ST-6125D
GROUND
OVERLOAD
RELAY
4
EXTERNAL 3-PHASE
(230 OR 460 VOLT)
POWER SOURCE
CIRCUIT
BREAKER
RED
WHITE
BLACK
L1
L2
L3
GREEN
BLK
MANUAL/AUTO
SWITCH
OFF/ON
LAMP
TRANSFORMER
INSTALLATION OF THIS CONTROL
BOX IS TO BE PERFORMED ONLY BY
A LICENSED ELECTRICIAN OR
QUALIFIED PERSONNEL.
WARNING
RED
BLK
RED
WHT
GRN
GRN
HEATER
SEE TABLE 2