Pentair Sta-Rite MPRA User Manual download pdf (Page 10)

For outdoor/unprotected installations:

1. Enclose entire system in a weatherproof enclosure.

2. To avoid condensation/corrosion damage, allow venti-

lation; do not wrap system in plastic.

3. Use a 40% propylene glycol/60% water solution to

protect pump to -50°F (-46°C).

Draining Pump

Explosion hazard. Purging the system with

compressed air can cause components to explode, with

risk of severe injury or death to anyone nearby. Use only

a low pressure (below 5 PSI), high volume blower when

air purging the pump, filter, or piping.

1. Pump down water level below all inlets to the pool.

To avoid dangerous or

fatal electrical shock

hazard, turn OFF power to

motor before draining pump.

2. Remove trap cover handle

ring (turn counterclock-

wise). If necessary, tap han-

dles gently with a rubber

mallet. Low pressure air

can be used to remove re-

maining water from the

piping.

3. Cap inlet piping after

draining to keep water out

of the pipes.

4. To prevent pump from freez-

ing, remove trap cover and

drain the tank body through the two drain plugs provided.

A. Gravity drain system as far as possible.

B. Protect areas which retain water with non-toxic

propylene glycol antifreeze (“RV” antifreeze).

5. Clean pump thoroughly; replace trap cover.

NOTICE: Tighten trap cover by hand only (no

wrenches)! If pump is not anchored, use caution to

not break attached piping!

6. Be sure motor is kept dry and covered.

Startup For Winterized Equipment

1. Remove any temporary weather protection placed

around system for shutdown.

2. Follow filter manufacturer’s instructions for reactiva-

tion of the filter.

3. Inspect all electrical wiring for damage or deterioration

over the shutdown period. Have a qualified service-

man repair wiring as needed.

4. Inspect and tighten all watertight connections.

5. Open all valves in suction and return piping.

6. Remove any winterizing plugs in piping system.

7. Drain all antifreeze from system.

8. Close all drain valves and replace all drain plugs in

piping system.

9. Prime pump according to instructions on Page 9.

PUMP SERVICE

Pump should only be serviced by qualified personnel.

For best results, use only genuine Sta-Rite factory parts.

Be sure to prime pump (Page 9) before starting.

Before removing trap cover:

1. STOP PUMP before proceeding.

2. CLOSE GATE VALVES in suction and discharge pipes.

3. RELEASE ALL PRESSURE from pump and piping system.

To avoid dangerous or

fatal electrical shock

hazard, turn OFF power to

motor before working on

pump or motor.

Aside from lubricating trap

cover O-Ring, no lubrication

or regular maintenance is

needed beyond reasonable

care and periodic cleaning of

strainer basket.

Hazardous voltage.

Can shock, burn,

or cause death.

Disconnect power

before working

on pump or motor.

Hazardous voltage.

Can shock, burn,

or cause death.

Disconnect power

before working

on pump or motor.

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Pentair Sta-Rite MPRA User Manual Page 10

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