Section 5. Operation - Polaris PB4SQ Installation And Operation Manual

Polaris
CAUTION
The pump is not self priming and must be filled
with water from an upstream filter pump. Never
run the booster pump without water. Running the
pump "dry" for any length of time can cause severe
damage to both the pump and motor and will void
the warranty
WARNING
PVC cement and primer can produce vapors that
can be hazardous to your health. Use PVC cement
to join pipes only in a well ventilated area where
vapors cannot accumulate.
Pipe dope should NEVER be used on barb threads.
Pipe dope will severely weaken the plastic, causing
leakage and may cause the plastic to fracture. DO
NOT OVERTIGHTEN
E
D
C
B
A
Figure 7. Plumbing Transition Components
5. Apply 4-6 wraps of PTFE (Teflon™) tape to the tapered
threads on all four of the barbed fittings. Be sure to wrap
the tape in the opposite direction that the male threads will
be turning in order to create a water tight seal. See Figure 9.
6. Install the quick connect barbed fitting into the
reducer bushing.
7. Cut the reinforced hose to length. Make sure the cut is
square and clean.
8. Slide the quick connect nut over the reinforced hose.
See Figure 9.
9. Use water to lubricate the barbs. See Figure 9.
10. Slide the hose over the barbs until a snug fit is achieved.
See Figure 8.
11. Tighten the quick connect nuts onto the barbed connector
hand tight only. DO NOT OVERTIGHTEN.
12. Install a second quick connect barbed fitting at the pump
suction inlet. See Figure 9.

Section 5. Operation

5.1 Pressure Test
1. Fill the system with water, using care to eliminate
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PB4SQ Booster Pump Installation and Operation Manual
® ™
Callout Description
A Reinforced Hose
B Quick Connect Nut
Quick Connect
C
Barbed Fitting
D 2" - 3/4" NPT
Reducer Bushing
E 2" PVC Tee
13. Repeat steps 6-11 to install the reinforced hose
at the pump inlet.
14. Install the third quick connect barbed fitting
at the pump outlet.
15. Repeat steps 6-11 to install the reinforced hose
at the pump outlet.
Connector Nut
Reinforced
Hose
Barb Face
Figure 8. Quick Connect Fitting
PTFE (Teflon™)
Tape
Quick Connect Nut
Reinforced Hose
Figure 9. Quick Connect Installation
CAUTION
Be careful not to overtighten any pipe fitting on the
inlet or outlet of the booster pump. Overtightening
can cause the housing to crack.
16. Run the Reinforced hose to the dedicated return line.
17. Make sure the dedicated return line has a
female 3/4" NPT fitting.
18. Install the fourth quick connect barbed fitting at the
dedicated return line.
19. Repeat steps 6-11 to install the reinforced hose at the
dedicated return line.
trapped air.
Page 11
ENGLISH
Nut Gap
Connector
Barb
Pump Inlet
Quick Connect Barbed Fitting