Stuart Turner RGFL4000 - Manual (Page 5)

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2 LOCATION - GENERAL
2.11 Access: For emergencies and maintenance the pump must be
easily accessible.
2.12 Protection: The pump must be located in a dry position, frost free and
protected from freezing, particularly when installed in a loft (not
recommended).
2.13 Ventilation: Ensure an adequate air flow to cool the pump. Separate
the pump from other appliances that generate heat. An 80 mm (3 “) air
gap must be maintained around the pump.
2.14 Safety: The motor casing can become very hot under normal
operating conditions. Care must be taken to ensure it cannot be
touched during operation.
2.15 Water retention: Site the pump in a location where in the unlikely
event of a water leak, any spillage is contained or routed to avoid
electrics or areas sensitive to water damage.
2.16 Static inlet pressure: Before deciding where to locate the unit check to ensure
the static inlet head between pump and cold water level (Figs. 3 & 4) is at least
1 metre and does not exceed the max inlet head of 14 metres.
2.17 Pump position: The pump must be positioned on its anti-vibration mounting feet
and as close to the water source as possible.
2.18 Ambient temperature: The pump must be sited in a location where the maximum
ambient temperature does not exceed 40 o C.
2.19 Pipework: For optimum performance pipework use 28 mm dia., 22 mm can be
used but will result in reduced pump performance.
Pipework should only reduce to 15 mm when entering terminal fitting.
2.20 Static outlet pressure: The static outlet head (Figs. 3 & 4) must also be within
the maximum requirement of 14 metres.
2.21 Noise: The anti-vibration mounting feet (and flexible hoses if fitted) are a
precaution to reduce noise transmission, however care must be taken when
mounting the pump that any noise is not amplified through loose panels or
pipework. Do not screw down the pump.
2.22 Direction of flow: Ensure the water flow is in the direction of the arrow marked
on the flow switch reed clamp (vertically upwards).
2.23 Flexible hoses: Use only Stuart Turner supplied hoses (available separately).
2.24 Isolating valves: Separate isolating valves (non restrictive) must be fitted to
allow easy pump service.
2.25 Preferred pump location: The preferred pump location is at floor level next to
the hot water cylinder or a level that is below the secondary tapping that feeds
the pump. The pump location is also dependent on limitations of the static inlet
and outlet heads of the installation. For guidance on limitations and
recommended location, consult the following relevant section for hot or cold water
installation.