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FLOAT SWITCHES (CONTROL BOX)
For special remote pumping applications of the submersible pump, a control box (Model CB3) is required. This water
resistant control box (Figure 10) provides watertight housing and glands to prevent water from leaking into the box, and a
float switch interface. The CB3 control box will require the use of two SW-1WOPA float switches, no plug, bare wires for
direct connection to the control box. Reference Figure 23 for a schematic reprensentation of the control box.
Figure 10. CB3 Control Box Dual Float Switch Application Diagram
COIL
WHITE
BLACK
WHITE
BLACK
POWER
“ON”
LAMP
OPERATION
SWITCH
WHITE
BLACK
AUTO
OFF
MANUAL
N
L
T2
T1
CONTACTOR
START FLOAT
SWITCH. CONNECT
TO TERMINALSAS SHOWN
SECURE FLOATSWITCH
WIRES TO PUMP
DISCHARGE HOSE
STOP FLOAT
SWITCH. CONNECT
TO TERMINALSAS SHOWN
PUMPING
RANGE
GREEN
(CHASSIS
GROUND)
GFCI
RECEPTACLE
EXTERNAL
SINGLE-PHASE
(115 VAC)
POWER SOURCE
JUMPER
GND.
PUMP
POWER
CORD
FLOAT
SWITCH
CORD
AC
POWER
CORD
CB3
CONTROL BOX
DUAL FLOAT
SWITCH APPLICATION
GRAY
BLACK
1
2
3
4
5
6
7
8
START
FLOAT
SWITCH
BLACK
WHITE
STOP
FLOAT
SWITCH
WHITE
BLACK
BLACK
SUBMERSIBLE
PUMP
WARNING
CONTROL BOXINSTALLATION ISTO BE
PERFORMED BYALICENSED ELECTRICIAN
OR QUALIFIEDPERSONNEL.
THE POSSIBILITYOF ELECTRICALSHOCK
OR ELECTROCUTIONEXISTS, WHICH COULD
CAUSE SEVEREBODILYHARM EVEN DEATH!.
TB1
A
B
WHITE
BLACK