Pentair PRO-SOURCE APSC Serie Manual Del Propietário página 5

Operation
Check Pump Pressure Switch Setting
1. To check pressure switch setting, disconnect power
to pump at supply panel (but be sure to leave
pressure switch connected to power supply wires).
2. Remove pressure switch cover.
3. Open a faucet near tank.
4. Allow water to drain until pressure switch contacts
close; immediately close faucet.
5. Check pressure at valve with standard tire gauge or
with pump pressure gauge (if supplied).
6. Pressure gauge should read 14 kPa (2 psig) below
pump cut-in setting (196 kPa (28 psig) for 210-350 kPa
(30-50 psig) switch, 126 kPa (18 psig) for 140-280 kPa
(20-40 psig) switch, etc.) If not:
A. Adjust switch according to switch
manufacturer's instructions.
Testing for Air Cell Leakage
1. Disconnect power to pump.
2. Drain all water from tank by opening faucet closest
to tank.
3. Remove pole piece cap and valve cap from valve
and charge air cell.
4. Check air pressure after 24 hours. If air cell leaks,
pressure will drop. If so, replace air cell.
Figures 4, 5 and 6 depict typical tank installations.
Risk of explosion. If system discharge
pressure can exceed 873 kPa (125 psig), install a relief
valve capable of passing the full pump volume at 873
kPa (125 psig).
Pressure
Gauge
*
Relief
Valve
To
Service
Pressure
Switch
From
Submersible
Pump in Well
Figure 5: Typical Installation with Submersible Pump
Floor
Drain
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B. Reconnect power supply to pump and pump up
pressure in system.
C. Disconnect power supply to pump again and
re-check switch setting.
D. Repeat until pressure switch starts pump within
±7 kPa (±1 psig) of proper setting.
NOTICE If cut-in setting is too low, system will rattle or
develop water hammer when pump starts.
E. Cut-out setting is not as critical as cut-in setting.
Make sure that pump will stop running in a rea-
son able time. If it does not, cut-out setting may
need to be adjusted down slightly. Be sure that
after readjustment, system does not rattle or
hammer on startup.
7. Re-check tank air pre-charge to be sure it is 14 kPa
(2 psig) below pump pressure switch cut-in setting.
Figure 4: Typical Installation
with Jet Pump
To Household
Water System
*
Relief Valve
Pressure
Switch
From Well
Figure 6: Typical Installation with
*
Relief
Valve
Floor
Drain
Check Valve
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Vertical Multi-Stage Pump
Pressure
Pressure
Switch
Gauge
To
Service
4 0 6 0
2 0
8 0
1 0 0
Pressure
Check
Regulator
Valve
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