float switches

Float Switches

For unattended operation of the submersible pump two Model SW1WOPA float switches will be required. These float switches have bare wires on one end of the cable for direct connection to either the CB6 or CB200 Control Boxes. The illustration below is an example of using two single float switches in a typical dewatering application.

Mounting The Float Switches

1.Determine the required cord tether length as shown in Figure 5 and Table 3.

2.Place the cord into the clamp as shown in Figure 8.

3.Secure the clamp to the discharge hose as shown in Figure 8. DO NOT install cord under hose clamp.

4.Using a screwdriver, tighten the hose clamp. DO NOT over- tighten. Make sure the float cord is not allowed to touch the excess hose clamp band during operation.

NOTICE

Single float switch, Model SW1A has a pumping range between 5.5~18 in. (14~46 cm.). Dual float switch has a pumping range between 1~ 48 in (2.54~122 cm.)

CONTROL

BOX

PUMP

POWER

PLUG

EXTERNAL

 

1Ø 230VAC, 60 Hz

POWER SOURCE

CIRCUIT

 

BREAKER

 

BLACK

L1

RED

 

 

L2

GREEN

 

GND. BUS

 

DISCHARGE

HOSE

PUMP

ON

 

SINGLE

 

 

FLOAT SWITCH

 

 

APPLICATION

PUMPING

 

MODEL SW1WOPA

RANGE

3.5 in. (9 cm.)

 

 

MINIMUM

PUMP

 

TETHER

 

OFF

 

LENGTH

 

 

SUBMERSIBLE

 

 

PUMP

 

Figure 8. Single Float Switch (2) Application Diagram

st3020b1/BCUL Sub. pump • operation and parts manual — rev. #2 (10/28/10) — page 15

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Image 15
Multiquip st3020b1, st3020bcul manual Mounting The Float Switches

st3020bcul, st3020b1 specifications

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