Performance Characteristics; Troubleshooting Guide - Zoeller Home Guard MAX 503 Lista De Verificación Para La Preinstalación

PUMP PERFORMANCE
CURVE
MODEL 503
14
45
40
12
35
10
30
8
25
20
6
15
40 PSI
4
10
20 PSI
2
5
0
5 10 15
GALLONS
LITERS
0 20 40
FLOW PER MINUTE
CONDITION
PUMP WILL NOT START
A
OR RUN
PUMP STARTS TOO
B
SOON
PUMP WILL NOT SHUT
C
OFF
PUMP OPERATES BUT
D DELIVERS LITTLE OR NO
WATER

Performance Characteristics

80 PSI
018586
60 PSI
Pump capacity varies due to: Inlet Water Pressure, Working Water
Pressure, Discharge Elevation, Number of Pipe Fittings, Inlet and Outlet
Pipe Size, Fluid Viscosity, Degree of Water Clarity, Water Temperature.
The fl ow rates in the chart are approximate values.
20 25
NOTE: Some districts may require a reduced pressure principle backfl ow
60 80
preventer per ASSE Standards 1013. Check Local Codes.

Troubleshooting Guide

POSSIBLE CAUSE
Inadequate incoming water pres-
sure.
Excessive water pressure.
Debris around Intake.
Float hung up on pit or primary
pump
Float "ON" point is adjusted too
low.
Float is obstructed.
Float "OFF" point is too low.
Foot Valve above water level.
Internal valve diaphragm vent
hole is plugged with debris.
Debris around Intake.
Inadequate incoming water pres-
sure.
Blockage in discharge pipe.
Foot Valve above water level.
Vertical lift too high.
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TOTAL DYNAMIC HEAD/FLOW
PER MINUTE
DEWATERING ONLY
REMEDY
Check incoming water line for closed valve, low water
pressure or clogged fi lter/strainer.
Install regulator and reduce pressure below 100 PSI
with valve closed.
Clear debris from pit and foot valve strainer.
Move pumps so that the fl oats move freely and do not
contact pit, piping or each other.
Refer to STEP 2.
Inspect fl oat operation and correct problem.
Refer to STEP 2.
Adjust Float - Refer to STEP 2.
Turn off water supply to pump and back on repeatedly
to dislodge debris. If this process does not remedy
the problem, service pump to clear debris or replace
valve assembly.
Clear debris from pit and foot valve strainer.
Check incoming water line for closed valve or low
water pressure.
Remove pipe and fl ush out debris.
Adjust Float - Refer to STEP 2.
Change discharge piping or contact technical service.
6