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Storage/Winterizing - STA-RITE MPRA6D-146L Installation, Operation & Parts

Dyna-glas and dyna-max centrifugal pumps with integral trap, series mpra, mpea, and mpfa
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Pump should prime now. Priming time will depend on
vertical length of suction lift and horizontal length of
suction piping.
If pump does not prime, make sure that all valves are
open, suction pipe end is under water, pump is not trying
to lift water more than 10'(3m), and that there are no leaks
in suction pipe. See Troubleshooting Guide, Page 14.

Storage/Winterizing:

NOTICE: Allowing pump to freeze will damage pump
and void warranty!
Hazardous suction.
Can trap hair or
body parts, causing
severe injury
or death.
Do not block
suction.
during storage.
To avoid condensation/corrosion problems, do not
cover pump with plastic.
For outdoor/unprotected installations:
1. Enclose entire system in a weatherproof enclosure.
2. To avoid condensation/corrosion damage, allow
ventilation; 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
TO REMOVE
OVERTIGHT
LID
Figure 8 – Use a pry bar or board as shown to remove
tight lid. Do not use a pry bar to tighten lid.
Explosion hazard. Purging the system with
NOTICE: Do not use anti-
freeze solutions (except
propylene glycol) in your
pool/spa system. Propylene
glycol, "RV antifreeze", is
non-toxic and will not
damage plastic system
components; other anti-
freezes are highly toxic and
may damage plastic
components in the system.
Drain all water from pump
and piping when expecting
freezing temperatures or
when storing pump for a long
time (see instructions below).
Keep motor dry and covered
BOARD
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 and use low pressure air to blow
accumulated water from the piping system. Use a pry
bar or board to remove trap covers that have been
overtightened or have taken a set and cannot be
removed by hand. Lugs have been provided on the
trap lid to use a lever or pry bar for loosening (see
Figure 6).
3. Cap inlet piping after draining to keep water out of
the pipes.
4. To prevent pump from freezing, 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.
9

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