Stuart Turner SHOWERMATE 46534 Guida

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:

Showermate U2.6 bar Single

Pt. No. 46534 Pt. No. 46534 EXP

Showermate U2.6 bar Twin

Pt. No. 46533 Pt. No. 46533 EXP

Showermate U1.8 bar Twin

Pt. No. 46532

FOR POSITIVE OR NEGATIVE HEAD APPLICATIONS

CE compliant product

SHOWERMATE

- 2 –

Cont ...

PRODUCT DESCRIPTION

Electric motor driven single or twin ended peripheral pumps complete with an

automatic control system, consisting of flow switches, pressure switches, pressure

vessels and electronic control.

APPLICATION

Showermate Universal pumps are suitable for positive or negative head installation

conditions. These pumps are designed for single or multiple (up to 4) outlet pressure

boosting applications, within one bathroom, subject to correct specification and

pump sizing in vented stored water systems. Inlet pressures to the pump and ambient

temperatures must not exceed the values given in the technical specifications.

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 .......................................................5

Important Facts – read before commencing installation ......................6

Location ............................................................7

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

Electrical Installation ..................................................15

Commissioning ......................................................18

Maintenance .........................................................19

Technical Specification ................................................21

Trouble Shooting .....................................................23

Guarantee ..........................................................27

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Cont ...

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.

zCleaning and user maintenance shall not be made by

children without supervision.

zWARNING – Washer/condenser dryers and condenser

dryers. The pump must not be used in the water

supply line to a washer/condenser drier or a

condenser drier, which uses a constant flow of cold

water to aid the condenser drying process, as

damage can occur to the pump. If in doubt or for

further information contact Stuart Turner Ltd.

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.

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Cont ...

zMaximum head (closed valve) U1.8 bar twin-18 metres,

U2.6 bar twin-26 metres, U2.6 bar single-26 metres.

zBefore starting work on the electrical supply ensure

power supply is isolated.

zBefore starting work on the electrical supply ensure

power supply is isolated.

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.

- 5 –

Your product may vary slightly from the picture above.

The quantities shown above are for twin pumps, (single pumps are shown in brackets).

CHECKLIST

Item Description Qty Item Description Qty

Pump 1 ISO Hose & integral washer 2(1)

Plain Hose & integral washer 2(1) Tank & ‘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.

PREINSTALLATION CHECK

The pressure vessel is supplied as a

separate item, and will need to be

fitted prior to installing the pump.

Install the pressure vessel ensuring

the ‘O’-ring is in place and hand

tighten.

Note: Do not overtighten pressure

vessel.

After fitting the pressure vessel

ensure the retaining nut at the base

of the assembly is still hand tight and

the cable connecting the pressure

switch has not been strained during

the assembly.

Do not lift/carry the pump by the

transfer pipe or pressure vessel

manifold.

Fig. 1

Note: This image is for reference only

Fig. 2

Pressure vessel

‘O’-ring

Retaining nut

Note: This image is for

reference only

- 6 –

Cont ...

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 flexible hoses, pumps 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 the flexible hoses beyond 30o. They must be installed as

straight as possible.

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

1.24 DO NOT stress the inlets/outlets of the pump from the misalignment of

hoses/pipework.

D Plumbing Installation Regulations

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

regulations.

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

E Pressure vessel

1.27 Pressure vessel is charged at the factory see Section 6 – Maintenance for

details.

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Cont ...

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 the bottom of the cold water

tank (Figs. 5 & 6), is at least 0.5 metres and does not exceed the max inlet

head of 6 metres.

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

maximum ambient temperature does not exceed 40 oC.

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

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

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

maximum requirement (Figs. 5 & 6).

2.20 Noise: If supplied the anti-vibration mounting feet and flexible hoses can be

used 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.

2.21 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).

2.22 Flexible hoses: Only use the Stuart Turner hose set supplied with the pump.

2.23 Isolating valves: Separate system isolating valves (non restrictive) must be

fitted to allow easy pump service.

2.24 Strainers: To ensure the pump does not become damaged as a result of

debris in the water supply, strainers must be fitted in line (not supplied).

2.25 Preferred pump location: The pump must, for optimum performance, be sited

as close as possible to and never more than 4 metres from the HOT WATER

cylinder. The pump should always be sited BELOW the HOT WATER take-off

from the cylinder. 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.

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Cont ...

2.26 Non-preferred pump location: If it is necessary to position the Pump above

the secondary tapping on the hot cylinder it is fed by, the risk of introducing

air will be increased.

To avoid this risk one of the two following solutions must be adopted:

The use of a Top Entry cylinder flange.

The use of a Stuart Side Entry (SE) cylinder flange, which should have the

addition of an inverted loop (“U” bend) of 350 mm minimum drop before

rising to the pump, located as close as possible to the cylinder wall. This will

ensure the pump receives an air free supply and the cylinder vents any air up

the vent pipe and not the pump feed (Figs. 3 & 4).

2 LOCATION  SINGLE PUMP

Max. static inlet pressure 6m

Min. static inlet pressure 0.5 m

hot water

services

Negative

head

200 mm

min

350 mm

Max. static outlet pressure 6m

least preferred area

Fig. 4 – Twin Pump

Max. static inlet pressure 6m

Min. static inlet pressure 0.5 m

Negative

head

200 mm min

350 mm

min Max. static outlet pressure 6m

least preferred

area

Fig. 3 – Single Pump

Negative Duty Single Pump System

Fig. 5

Max. static inlet pressure 6m

- 9 –

Cont ...

2 LOCATION  TWIN PUMP

Cold water connection:

2.27 The cold water supply: Must be a DEDICATED AIR FREE supply via a

tank connector, and must be positioned at a slightly lower level (25 mm

minimum) than the feed pipe to the hot water cylinder.

Do not connect to the mains.

Negative Duty Twin Pump System

Fig. 6

Max. static inlet pressure 6m

- 10 –

Cont ...

Hot water connection:

2.28 Hot water cylinder or storage tank: When a hot water cylinder or storage

tank is used, ensure the pipework size from the cold water storage to the hot

water storage is of adequate size and a minimum of 22 mm.

2.29 Hot water supply: The pump must be supplied with a dedicated feed direct

from the hot water cylinder or storage tank, ensuring an air free connection to

the pump. We recommend the use of either the side entry Stuart flange (SE)

Part No 27900 or a top entry flange see Fig. 7.

2.30 Expansion pipe: When the method of connection is to be made via the

expansion pipe, the BASE of the cold water storage tank MUST be at least

1 metre above the connection/take off of the hot water storage cylinder

feeding the pump.

Fig. 7

Top entry flange

with 22 mm

pipework to

pump.

Off expansion

pipe with rising

22 mm offset

and 22 mm

pipework to

pump.

Off vertical

expansion pipe with

22 mm pipework to

pump.

Factory installed G ¾

secondary tapping

with 22 mm pipework

to pump.

Side mounted Stuart

flange side entry (SE)

(Part No. 27900) with

22 mm pipework to

pump

30o– 45o

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