Plumbing - Stuart Turner STUART PH 35 TS Installation, Operation & Maintenance Instructions Manual

4 PLUMBING

4.11 Pipework: For optimum performance pipework use 22 mm dia., 15 mm can be
used but will result in reduced pump performance.
4.12 Isolating valves: Separate isolating valves (non restrictive) must be fitted to
allow easy pump service.
4.13 Although this pump is not self priming, once fitted with a footvalve and
strainer it can be used to draw water from a storage tank below the pump
position, or without a footvalve and stainer, from a tank above the pump
position.
Max. flooded
suction head
14 m
Or
Max. suction
lift 4.6 m
Min. immersion
depth 0.5 m
Fig. 6
4.14 System flushing: The pipework system should be flushed out
4.15 Priming:
The pump must be primed (filled with water) before starting.
4.16 Flooded suction conditions:
Turn on the isolating valves.
(a) Loosen vent plug and allow an even flow of water this may take a
few seconds.
(b) Re-seal vent plug, nipping tight.
The pump is now ready to start.
4.17 Suction lift conditions:
Turn on isolating valves
(a) Loosen vent plug.
(b) Fill the pump head and suction
pipe with water from the discharge
port until filled with water.
(c) Re-seal vent plug.
4.18 Maintenance:
This product is maintenance free for its life, however it is a mechanical
product and will eventually show signs of wear. Spare parts are available, for
more information phone the Stuart Turner TechAssist team on
+44 (0) 800 31 969 80.
prior to the pump being connected to ensure any contaminants/
chemical residues and foreign bodies are removed from elsewhere
in the system.
Never operate pump with inlet and/or outlet isolating valves in the
closed position. Damage will occur!
Suction pipe run, no
greater than 6 m
- 10 -
Min. flooded
suction 0.5 m
Inlet Outlet
Outlet
Vent
Plug
Inlet
Fig. 7
Vent
Plug