Float switches (control box) – Multiquip ST3020BCUL User Manual
Page 17
st3020b1/bCUL sUb. pUmp • operation and parts manUaL — rev. #2 (10/28/10) — page 17
Figure 10. CB200 Control Box (Old Style)
Dual Float Switch Application Diagram
CLASS
AUTO
HAND
30
20
10
30
20
10
FLC (A)
16
12
6.4
7
8
10
STOP
RESET
2
4
6
1 2 3 4
1 2 3 4
FUSE
L1
L2
L3
L1
L2
L3
X2
XF
X1
H4
H2
H3
H1
110
115
120
X1
GREEN
RED
BLACK
EXTERNAL
(230 V
)
POWER SOURCE
1Ø
AC
CIRCUIT
BREAKER
RED
BLACK
L1
L2
GREEN
GROUND
SUBMERSIBLE
PUMP
BLACK
RED
START FLOAT
SWITCH. CONNECT
TO TERMINALS 1 AND 2
STOP FLOAT
SWITCH. CONNECT
TO TERMINALS 3 AND 4
PUMPING
RANGE
SECURE FLOAT SWITCH
WIRES TO PUMP
DISCHARGE HOSE
MOUNT CONTROL
BOX IN AN UPRIGHT
VERTICAL POSITION
AS SHOWN.
FLOAT
SWITCH
INPUTS
FLOAT SWITCH
TERMINAL BLOCK
AC POWER
TERMINAL BLOCK
ELECTRONIC OVERLOAD
MODULE TERMINAL BLOCK
MTE
CONTACTOR
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!.
POWER INPUT CABLE
TO CONTROL BOX
POWER INPUT
TO CTRL BX.
TERMINAL BD.
1Ø 230 VAC
POWER OUTPUT
TO PUMP
NOTE:
REFER TO OPERATION MANUAL
FOR THE CORRECT SETTING OF
THE ELECTRONIC OVERLOAD UNIT.
JUMPER
WIRE
CHECK JUMPER SETTINGS ON
TRANSFORMER, REFERENCE
CB200 WIRING DIAGRAM. 230 VAC
CONFIGURATION SHOWN.
NOTE:
TB1
B
A
B
SINGLE
FLOAT SWITCH
APPLICATION
MODEL SW1WOPA
NOTICE
For correct wiring to pump motor (1Ø, 230 VAC), add
a 16 AWG. jumper wire approximately 5-inches in
length between the input terminal block marked L3 and
terminal 4 on the electronic overload unit. Reference
CB200 wiring diagram (old style)
flOat switches (cOntrOl bOx)