page 18 — st4/st6 series submersible pumps • operation anD parts manual — rev. #1 (11/12/13)
ConTrol box wiring layouT
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
T3
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
FNM
MICRON
CONTROL
TRANSFORMER
(708) 547-0900
CA
T
.
NO.
B075BTZ13JK
TEMP
.
105
75V
A
50/60HZ
LISTED
702X
04024
CL.
C
U.S.
PAT.
NO.
3516040
Impervi
TRAN
R
)
(
X2
XF
X1
H4
H2
H3
H1
1
10
1
15
120
X1
H1
H2
H3
H4
XF
X2
1 2 3 4
1
220
230
240
440
460
480
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
WHT
AC POWER
TERMINAL BLOCK
1.SECURE FLOAT SWITCH
WIRES TO PUMP
DISCHARGE HOSE
L1
L2
L3
PUMPING
RANGE
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
RED
BLK
RED
WHT
GRN
GRN
HEATER
SEE TABLE 4
WARNING
CONTROL BOX INSTALLATION IS TO BE
PERFORMED BY A LICENSED ELECTRICIAN
OR QUALIFIED PERSONNEL.
THE POSSIBILITY OF ELECTRICAL SHOCK
OR ELECTROCUTION EXISTS, WHICH COULD
CAUSE SEVERE BODILY HARM EVEN DEATH!
Figure 8. Three Phase
Control Box/Pump System Diagram
Go
to
Discount-Equipment.com
to
order
your
parts
