Typical Float Switch Placement; Engineering Data; Pump Operation - Xylem Bell & Gossett Explosion Proof 3XWC Directives D'installation, D'utilisation Et D'entretien

TYPICAL FLOAT SWITCH PLACEMENT

The charts show the required switch quantities and the func-
tion of each in a typical system.
Simplex System:
Three (3) floats are for: Pump OFF, Pump ON, Alarm ON/
OFF.
Four (4) floats are for: Guaranteed Pump Submergence or
2nd Pump OFF, Pump OFF, Pump ON, Alarm ON/OFF.
Inlet
Alarm SW3
Pump On SW2
Pump Off SW1
Optional
Guaranteed
Submergence
Float

ENGINEERING DATA

Engineering data for specific models may be found in your catalog and on our website (address is on the cover).
Control panel wiring diagrams are shipped with the control panels. Please use the control panel drawings in conjunction with this instruction
manual to complete the wiring.
Minimum Submergence
Continuous
Duty
Single-Action Float Switch
"Typical" Installation
6
Discharge
Simplex

PUMP OPERATION

Fully Submerged
8" (20.3 cm) TURN ON LEVEL
Duplex System:
Four (4) floats are for: Pumps OFF, Lead Pump ON, Lag
Pump ON, Alarm ON.
Five (5) floats are for: Guaranteed Pump Submergence or
2nd Pump(s) OFF, Pump(s) OFF, Lead Pump ON, Lag Pump
On, Alarm ON.
The OFF float(s) is the lowest float and the Alarm will always
be the uppermost float.
Inlet
Alarm SW4
Lag Pump On
SW3
Lead Pump On
SW2
Pump Off
SW1
Optional
Guaranteed
Submergence
Float
Maximum Fluid Temperature
Continuous
Operation
Discharge
Duplex
104º F 40º C
WEIGHT
6" (15.3 cm)
6" (15.3 cm)