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Stuart Turner S1.5 bar Twin User 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. 5 & 6) is at least

0.5 metre and does not exceed the max inlet head of 10 metres.

2.17

Pump position: The pump must be positioned 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 should be 22 mm, reducing to

15 mm to enter the pump and terminal fitting.

15 mm pipework can be used but may reduce performance at the terminal fitting.

2.20

Static outlet pressure: The static outlet head (Figs. 5 & 6) must also be within

the maximum requirement of 10 metres.

2.21

Noise: Flexible hoses are supplied as standard to reduce noise transmission.

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 inlet supply is

connected to the correct pump ports Fig. 2.

2.23

Flexible hoses: Use only Stuart Turner supplied hoses.

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. 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.

Fig. 2

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