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Pool Pump Suction Requirements - STA-RITE DYNA-GLAS Owner's Manual

Dyna-glas and dyna-max centrifugal pumps with integral trap
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Hazardous suction.
Can trap hair or
body parts, causing
severe injury
or death.
Do not block
suction.
Teflon Taping Instructions:
Use only new or clean PVC pipe fittings.
Wrap male pipe threads with one to two layers of Teflon tape. Cover entire
threaded portion of pipe.
Do not overtighten or tighten past thread stop in pump port!
If leaks occur, remove pipe, clean off old tape, rewrap with one to two addi-
tional layers of tape and remake the connection.
NOTICE: Support all piping connected with pump!
Piping:
Use at least 2" (51mm) pipe. Increase size if a long run is needed.
To avoid strains on the pump, support both suction and discharge pipes inde-
pendently. Place these supports near the pump.
To avoid a strain left by a gap at the last connection, start all piping at the
pump and run pipe away from the pump.
To avoid airlocking, slope suction pipe slightly upward toward the pump.
NOTICE: To prevent flooding when removing pump for service, all flooded
suction systems must have gate valves in suction and discharge pipes.
POOL PUMP SUCTION
REQUIREMENTS
Pump suction is hazardous and can trap and drown or disembowel
bathers. Do not use or operate swimming pools, spas, or hot tubs if a suc-
tion outlet cover is missing, broken, or loose. Follow the guidelines below for a
pump installation which minimizes risk to users of pools, spas, and hot tubs.
Entrapment Protection
The pump suction system must provide protection against the hazard of
suction entrapment or hair entrapment/entanglement.
Suction Outlet Covers
All suction outlet covers must be maintained. They must be replaced if
cracked, broken, or missing.
See Page 6 for outlet cover certification requirements.
All suction outlets must have correctly installed, screw-fastened covers in place.
Suction Outlets Per Pump (Figure 2, Page 6)
Provide at least two hydraulically balanced main drains, with covers, as suction
outlets for each circulating pump suction line. The centers of the main drains
(suction outlets) on any one suction line must be at least three feet apart.
The system must be built so that it cannot operate with the pump drawing
water from only one main drain (that is, there must be at least two main drains
connected to the pump whenever it is running – see Figure 2, Page 6).
However, if two main drains run into a single suction line, the single suction
line may be equipped with a valve which will shut off both main drains from
the pump (see Figure 2).
More than one pump can be connected to a single suction line as long as the
requirements above are met.
5

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