Typical Surface Pressure Boosting Application - Franklin Electric SUBDRIVE CONNECT PLUS Manuel Du Propriétaire

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 W a a t t e e r r S S u u p p p p l l y y
2. C C h h e e c c k k V V a a l l v v e e
3. B B a a l l l l V V a a l l v v e e
4. P P r r e e s s s s u u r r e e R R e e l l i i e e f f V V a a l l v v e e : :
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 300 psi.
• Install the pressure relief valve near the pressure tank and route to a drain capable of
full system flow.
5. P P r r e e s s s s u u r r e e T T a a n n k k : : Refer to
6. P P r r e e s s s s u u r r e e G G a a u u g g e e
7. P P r r e e s s s s u u r r e e T T r r a a n n s s d d u u c c e e r r o o r r S S e e n n s s o o r r : : 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. S S u u b b D D r r i i v v e e C C o o n n n n e e c c t t P P l l u u s s V V F F D D
9. P P o o w w e e r r S S u u p p p p l l y y f f r r o o m m E E l l e e c c t t r r i i c c a a l l P P a a n n e e l l : : Single phase (shown) 208/230 VAC ± 10%, three-phase 230
VAC ±10%, or three-phase 460 VAC ±10% (depending on drive model rating).
10. P P o o w w e e r r t t o o M M o o t t o o r r : : Three-Phase.
11. O O p p t t i i o o n n a a l l B B y y p p a a s s s s : : 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.
"Minimum Pressure Tank and Supply Pipe Sizing" on page
INSTALLATION PLANNING
Typical Surface Pressure Boosting Application
14.
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