Stuart Turner PH 35 ES Guía

Installation, Operation & Maintenance

Instructions

Please leave this instruction booklet with the home owner as it contains

important guarantee, maintenance and safety information

Read this manual carefully before commencing installation.

This manual covers the following products:

PH 35 ES B

Pt. No. 46523

PH 45 ES B

Pt. No. 46524

50 Hz

STUART

CE compliant product

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PRODUCT DESCRIPTION

Electric motor driven pump complete with flow switch, pressure switch, pressure

vessel and electronic control.

APPLICATION

The Pressure Control range is designed for pressure boosting applications in vented

stored hot or cold, clean fresh water systems, where under gravity, no flow is available.

Other clean non aggressive, non explosive liquids with similar characteristics to water

may be pumped, consult Stuart Turner for such applications.

STORAGE

If this product is not to be installed immediately on receipt, ensure that it is stored in a

dry, frost and vibration free location in its original packaging.

CONTENTS Page

Checklist ...........................................................5

Pre-Installation Assembly ..............................................6

Important Facts – read before commencing installation ......................8

Location ............................................................9

Pump Connections ...................................................11

Electrical Installation ..................................................12

Commissioning ......................................................14

Maintenance .........................................................16

Technical Specification ................................................17

Trouble Shooting .....................................................19

Guarantee ..........................................................22

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WARNINGS:

zThis pump set must not be used for any other

application without the written consent of Stuart

Turner Limited and in particular, must not be

connected directly to the mains water supply.

zThis appliance can be used by children aged from

8 years and above and persons with reduced

physical, sensory or mental capabilities or lack of

experience and knowledge if they have been given

supervision or instruction concerning use of the

appliance in a safe way and understand the hazards

involved.

zChildren shall not play with the appliance.

zThis product should not be used for the supply of

water to more than one dwelling (house, apartment,

flat).

zCleaning and user maintenance shall not be made by

children without supervision.

zMaximum head (closed valve) PH 35 ES B-30 metres,

PH 45 ES B-41 metres.

zThe motor casing can become very hot under normal

operating conditions. Care must be taken to ensure it

cannot be touched during operation.

zThe electrical installation must be carried out

in accordance with the current national electrical

regulations.

zThe electrical installation must be installed by a

qualified person.

zIn the interests of electrical safety a 30 mA residual

current device (R.C.D. not supplied) should be

installed in the supply circuit. This may be part of a

consumer unit or a separate unit.

zBefore starting work on the electrical supply ensure

power supply is isolated.

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zDO NOT allow the supply cord to contact hot

surfaces, including the motor shell, pump body or

pipework. The cord should be safely routed and

secured by cable clips.

zThis appliance must be earthed via the supply cord,

which must be correctly connected to the earth

point located in the terminal box.

zThe supply cord and internal wiring within the

terminal box are routed and secured to ensure

compliance with the electrical standard

EN 60335–1. It is essential that prior to any

disturbance of this internal wiring, all cable routing

and securing details are carefully noted to ensure

re-assembly to the same factory pattern is always

maintained.

zIf the supply cord is to be changed or is damaged, it

must be replaced with a special cord assembly

available from Stuart Turner or one of their approved

repairers.

Please read installation details carefully as they are intended to ensure this product

provides long, trouble free service. Failure to install the unit in accordance with the

installation instructions will lead to invalidation of the warranty.

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CHECKLIST

Your product may vary slightly from the picture above.

Item Description Qty Item Description Qty

Pump 1 Pressure Vessel & ‘O’-ring 1

IMPORTANT: With the pump removed from its packaging check for any damage

prior to installation. If any damage is found contact Stuart Turner Ltd within 24

hours of receipt.

Fig. 1

Note: This image is for

reference only

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PREINSTALLATION ASSEMBLY

Pressure Check and Assembly of Pressure Vessel

a) Certain models are supplied in two parts, the main pump and the pressure vessel.

The pressure vessel is pre-charged with air at the factory (see table below). This

pressure should be checked at the Schrader valve (Fig. 2) using a tyre pressure

gauge and adjusted if necessary using a car or bicycle pump prior to installation.

b) To assemble the vessel (when applicable), remove protective plastic cap from

fitting point. Ensure that the ‘O’-ring is present and correctly fitted in the location

groove at the bottom of the fitting point. Screw the pressure vessel clockwise into

the fitting point until hand tight to achieve a water tight connection.

NOTE: Do not over tighten pressure vessel.

Fig. 2

Detail view of

‘O’-Ring groove

in fitting point

‘O’-Ring

Schrader valve

(under cap)

Pressure vessel

‘O’-Ring

Fitting point

Model Air Precharge

bar (psi)

All

Models 0.9 (13)

Note: This image is for reference only

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Re-positioning of Pressure Vessel

The pressure vessel can be rotated to alternative positions (Fig. 4) in the event of the

factory fitted position being unsuitable for a specific installation.

a) Remove pressure vessel by unscrewing anti-clockwise.

b) Using a 2 mm allen key, carefully loosen all three retaining grub screws by two

turns (Fig. 3).

c) Warning – Care must be taken when re-positioning the pressure vessel to

ensure no strain is placed upon the pressure

switch or reed switch cables.

The flow switch assembly can now be carefully

rotated to an alternative position

(Fig. 4).

d) Ensure all three grub screws are

re-tightened securely to a torque of

2.2 Nm (1.62 lbf feet).

e) Re-fit the pressure vessel

ensuring the ‘O’-ring seal is

in place (see pre-installation

section).

Fig. 3

Grub Screws

(3 off)

Outlet Tower can be swivelled at

this joint line after loosening the

3 equi-spaced grub screws

Motor

Factory fitted position

PH 35 ES B,

PH 45 ES B

Area for alternative fitting positions

Fig. 4

Note: These images are for reference only

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1 IMPORTANT FACTS: READ BEFORE COMMENCING PUMP INSTALLATION

A Water storage capacity.

1.11 The hot and cold water storage capacity must be sufficient to meet the flow

rates required by the pumped equipment and any other water using fittings

and appliances, which may be operated simultaneously.

1.12 Ensure the pump is primed as described in the priming section before

starting, damage to the shaft seal will result otherwise. See Section 5 –

Commissioning.

B Water temperature

The water entering the pump must be controlled as follows:

1.13 The maximum allowable water temperature is 65 oC.

1.14 The minimum allowable water temperature is 4 oC.

1.15 DO NOT fit a pump if the hot water is heated via a method whereby the water

temperature cannot be controlled, such as solar or solid fuel you must

consult the TechAssist team on +44 (0) 800 31 969 80.

C Pipework – General

1.16 Secure pipework: Ensure pipework to and from pump is independently

supported & clipped to prevent forces being transferred to inlet and outlet

branches of pump.

1.17 Flux: Solder joints must be completed and flux residues removed prior to

pump installation (flux damage will void any warranty).

1.18 Pipework design: Care should be taken in the design of pipework runs to

minimize the risk of air locks e.g. use drawn bends rather than 90obends.

1.19 DO NOT introduce solder flux to pump or pump parts manufactured

from plastic.

1.20 DO NOT allow contact with oil or cellulose based paints, paint thinners

or strippers, acid based descalents or aggressive cleaning agents.

1.21 DO NOT install a non-return valve, or devices which contain non-return

valves, in the suction (inlet) pipework to the pump. The pump must

be free to vent to the supply tank at all times.

1.22 DO NOT bend flexible hoses (not supplied but available from Stuart

Turner) beyond 30o. They must be installed as straight as possible.

1.23 DO NOT connect this pump to the mains water supply.

D Plumbing Installation Regulations

1.24 The plumbing installation must comply with the current water and building

regulations.

1.25 The plumbing installation must be installed by a qualified person.

E Pressure vessel

1.26 Pressure vessel is charged at the factory see Pre-Installation Assembly on

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 position the unit, check to

ensure the static inlet and outlet heads of water above the pump (Fig. 5), does

not exceed the maximum permitted limits.

2.17 Pump position: The pump must be positioned as close to the water source as

possible. Ensure the pump is mounted in a position that allows easy access to

the box terminal if required.

2.18 Ambient temperature: The pump must be sited in a location where the

maximum ambient temperature does not exceed 40 oC.

2.19 Pipework: For optimum performance pipework MUST be 22 mm.

Pipework should only reduce to 15 mm when entering terminal fitting.

2.20 Static outlet pressure: The static outlet head must also be within the maximum

requirement (Fig. 6).

2.21 Noise: 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 that is

marked on the flow switch reed clamp (vertically upwards).

2.23 Flexible hoses: Use only Stuart Turner hoses (not supplied), if used ensure

they do not come into contact with solder flux.

2.24 Isolating valves: Separate isolating valves (non restrictive) must be fitted to

allow easy pump service.

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2.25 Pump Mounted Below Liquid Source (Flooded Suction Installation):

2.26 Before deciding where to locate the unit, check to ensure the static inlet head

(Fig. 5) meets the minimum requirement of 1 metre and does not exceed the

maximum given in the limits of application section.

2.27 The static outlet head (Fig. 5) must also be within the maximum requirement

of 13 metres for all models.

2.28 Pump Mounted Above Liquid Source (Suction Lift Installation):

2.29 The pumps can be used in a suction lift installation providing the height of lift

is within the limits specified in the limits of application section and the liquid

to be pumped is cold water (for applications other than cold water contact

Stuart Turner).

Fig. 6

Diagram showing typical Pressure Control

installation with suction lift.

Max. suction lift 4.6 m

Max. static outlet pressure 13 m (PH ES B only)

Fig. 5

Diagram showing typical Pressure Control

installation with flooded suction.

Max. static inlet pressure (consult technical specification section)

Max. static outlet pressure 13 m (PH ES B only)

Negative

head

Min. static inlet pressure 1m

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