17
Typical Surface Pressure Boosting Application
The above drawing illustrates how a typical surface mounted pump system should be arranged for a
pressure boosting application.
1.
W
Waatteerr SSuuppppllyy
2. CChheecckk VVaallvvee
3. BBaallll VVaallvvee
4. PPrreessssuurree RReelliieeff VVaallvvee::
CAUTION
Risk of bodily injury or property damage.
•
Pumps can develop very high pressure in some situations. Always install a pressure re-
lief valve able to pass full pump flow up to 100 psi.
•
Install the pressure relief valve near the pressure tank and route to a drain capable of
full system flow.
5. PPrreessssuurree TTaannkk:: Refer to
“Minimum Pressure Tank and Supply Pipe Sizing” on page 18
6. PPrreessssuurree GGaauuggee
7. PPrreessssuurree TTrraannssdduucceerr oorr SSeennssoorr:: Install in a vertical position after the pressure tank, and within 6 ft
(1.8 m) of the tank to minimize pressure fluctuations. There should be no elbows between the tank
and sensor.
8. VVFFDD
9. PPoow
weerr SSuuppppllyy ffrroom
m EElleeccttrriiccaall PPaanneell:: Single phase (shown) 208/230 VAC ± 10%
10. PPoow
weerr ttoo M
Moottoorr:: Three-Phase.
11. O
Oppttiioonnaall BByyppaassss:: For system maintenance.
IMPORTANT:
If the pump is equipped with a built-in pressure switch, the power wires from the VFD
must bypass the pressure switch and connect directly to the motor.
Summary of Contents for SubDrive 15
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Page 63: ...ESPAÑOL ES franklinagua com SUBDRIVECONNECT Manual para propietarios ...
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Page 129: ...franklinwater com FRANÇAIS FR SUBDRIVECONNECT Manuel du propriétaire ...
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Page 194: ...REMARQUES ...
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