float switches
Float Switches
For unattended operation of the submersible pump two float swith methods can be used single or dual. The single float switch (Model SW1A) will allow the pump to turn on and off depending on the length of the tether. When using the dual float switch (Model SW2A) method the pump will turn on or off at a
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 |
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.)
| and Figure 9 |
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. |
PIGGGY-BACK
PLUG
PUMP
AC POWER
CABLE
EXTERNAL |
|
1Ø 115 VAC, 60 Hz | |
POWER SOURCE | |
CIRCUIT |
|
BREAKER |
|
BLACK | L |
WHITE |
|
| N |
GREEN |
|
GND. BUS |
|
| EXTERNAL |
1Ø 115 VAC, 60 Hz | |
POWER SOURCE | |
CIRCUIT | |
| |
PLUG | BREAKER |
BLACK | L |
WHITE |
|
| N |
GREEN | |
| GND. BUS |
PUMP
AC POWER
CABLEINPUT POWER
TO CONTROL BOX
DISCHARGE
HOSE
FLOAT SWITCH
CABLE
PUMP
OFF
GRAY
DUAL
FLOAT SWITCH
APPLICATION
MODEL SW2A
PUMPING
DISCHARGE
HOSE
FLOAT SWITCH
CABLE
PUMP
ON
3.5in. (9 cm.)
MINIMUM
TETHER LENGTH
RANGE
PUMP
ON
3.5in. (9 cm.)
MINIMUM
TETHER LENGTH
SINGLE
FLOAT SWITCH
APPLICATION
MODEL SW1A
PUMPING
RANGE
PUMP
OFF
SUBMERSIBLE | BLACK |
PUMP |
|
Figure 9. Dual Float Switch Application
SUBMERSIBLE
PUMP
Figure 8. Single Float Switch Application
cx400/px400 Sub. pump • operation and parts manual — rev. #1 (12/03/10) — page 15
