Geberit Twyford Sola TMV3 SF1135CP Bedienungsanleitung

Sola Thermostatic Shower

Valve - TMV3

SF1135CP, SF1136CP & SF1137CP

Installation and Maintenance Instructions

In this procedure document we have endeavoured to make the information

as accurate as possible.

We cannot accept any responsibility should it be found that in any respect

the information is inaccurate or incomplete or becomes so as a result of

further developments or otherwise.

Twyford Bathrooms Registered Office

Geberit House

Academy Drive

Warwick

CV34 6QZ, UK

Part of the Geberit Group

Telephone: 01926 516800

Email: [email protected]

Website: www.twyfordbathrooms.com

Contents

Thank you for choosing the Twyford TMV3 thermostatic shower valve.

Subject Page

Introduction and Safety 2

Components - Exposed 3

Components - Concealed 4

Dimensions - Exposed 5

Dimensions - Concealed 6

Technical Data 7

Site Preparation 9

Installation - Exposed 10

Installation - Concealed 11

Calibration 13

Cartridge Replacement 13

Problem Solving 14

TMV3

Introduction 15

Application 16

Technical Specification 16

Installation 16

Commissioning 18

Maintenance 19

Tywford Guarantee 21

installation guide

Introduction

This installation guide has been produced for the Sola range of single outlet thermostatic

shower valves. These instructions cover the installation, operation and maintenance. Please

read the enclosed instructions before commencing the installation of this product, please note;

We recommend that the installation of any Twyford product is carried out by an

approved installer.

The installation must be carried out strictly in accordance with the Water Supply (Water Fitting)

Regulations 1999 and any local authority regulations.

If in doubt we recommend that you contact WRAS - Water Regulations Advisory Scheme on

Tel: 0333 207 9030, your local water authority - details available on the WRAS website or

the Chartered Institute of Plumbing and Heating Engineers on Tel: 01708 472 791.

All products MUST be re-commissioned to suit site conditions to ensure optimum performance

levels of the product are obtained.

Safety

Twyford thermostatic showers must be installed and commissioned correctly to ensure that

water is supplied at a safe temperature to suit the users.

The showers are pre-set using ideal conditions to 38°C.

The maximum mixed temperature takes account of the allowable tolerances inherent in

thermostatic shower mixers and temperature losses.

It is not a safe bathing temperature for adults or children.

The British Burns Association recommends 37 to 37.5˚C as a comfortable bathing

temperature for children. In premises covered by the Care Standard Act 2000, the maximum

mixed water outlet temperature is 43˚C.

Products

Sola TMV3 Thermostatic Shower Valve - Concealed SF1137CP

Sola TMV3 Thermostatic Shower Valve - Bottom Outlet Exposed SF1136CP

Sola TMV3 Thermostatic Shower Valve - Top Outlet Exposed SF1135CP

Check Content

Before commencing remove all components from packaging and check each component with

the contents list.

Ensure all parts are present, before discarding any packaging. If any parts are missing, do not

attempt to install your Sola shower valve until the missing parts have been obtained.

Components - Exposed

Item Qty Component Item Qty Component

1 1 Valve body - SF1136CP 6 1 Retaining screw

2 1 Valve body - SF1135CP 7 1 Outlet fitting

3 1 Thermostatic cartridge 8 2 Grub screw

4 1 Lever 9 1 Wall plate

5 1 Cap 10 2 Screw

Components - Concealed

Item Qty Component Item Qty Component

1 1 Valve body - SF1137CP 7 1 Outlet plug

3 1 Thermostatic cartridge 10 2 Wall fixing screw

4 1 Lever 11 1 Rectangular concealing plate

5 1 Cap 12 2 Plate fixing screw

6 1 Retaining screw 13 1 Concealing plate - small

150±5

123.5

SF1135CP Top Outlet

SF1136CP Bottom Outle

Dimensions - SF1135CP and SF1136CP

Dimensions - SF1137CP

Distance from wall

Minimum 28.5

Maximum 50

150±5

Ball Valve

Wall fixing

hole

Wall

fixing hole

Plate fixing

hole

Plate fixing

hole

Small

concealing plate

Rectangular

concealing plate

Technical Data

The Twyford Sola thermostatic shower valve is suitable for installations on all types of

plumbing systems, including gravity supplies, fully pumped, modulating combination boiler,

unvented water heater and unbalanced supplies i.e. Cold Mains & Tank Fed Hot. They are

not suitable for non-modulating combination boilers.

Max Inlet Pressure (Static) 10 bar Max Inlet Temperature 85˚C

Max Inlet Pressure (Dynamic) 5 bar Pre Set Factory Temp Setting 38˚C

Min Operating Pressure (Dynamic) 0.2 bar Temperature Stability ±2˚C

Max Unbalanced Pressure Ratio 5:1 Min Temp Differential to

Inlet Connections (Body only) 15mm ensure fail-safe between hot

Outlet Connection ½” and cold supplies 10˚C

Unvented Mains Pressure System

The drawing shows a typical installation of a shower mixing valve in conjunction with an

unvented hot water system. This type of installation must be carried out in accordance with

Part G of the Building Regulations.

Whilst pressures are theoretically equal (balanced) most unvented hot systems have a

pressure reducing valve on the incoming cold water prior to the hot water storage vessel.

This means that the hot and cold pressures can be significantly different.

Most unvented systems use an inlet manifold located directly after the pressure reducing

valve.

It is recommended that the cold supply be

taken from one of the outlets of the manifold

directly to the shower as an independent

supply.

For systems without a manifold unit after the

pressure reducing valve and where the cold

water supply pressure is significantly higher

than the hot supply we recommend that a

separate pressure reducing valve is fitted to

the cold supply, as close as possible to the

shower valve and with no draw off points

between it and the shower valve.

Flow regulators are required for installations

where a PRV is not fitted to ensure

simultaneous demand is accounted for.

Manifold

PRV

PRV if

manifold is

not used

Cold Supply direct

from mains

Pumped Systems

Pumped systems use a booster pump to increase the pressure of the gravity fed water

supplies.

These booster pumps are used where the head

of water is insufficient to provide a satisfactory

shower or where a high performance shower is

required.

Please ensure that the performance of the pump

is matched to suit the shower.

Follow the instructions for gravity fed

installations taking into account the installation

requirements of the pump.

Ensure that the hot and cold water storage

capacity is sufficient to supply the shower and

any other draw off points that may be used

simultaneously.

Most pumps require a minimum head of water

to allow the flow switches to operate

automatically. Where this is not available a

negative head kit may be required to operate

the pump.

Please consult the pump manufacturer’s

installation requirements

Modulating Combi Boiler / Instantaneous Gas Water Heater

The drawing shows a typical installation of a shower valve in conjunction with a combination

boiler.

Combi boilers will produce a constant flow of water

at a temperature within its operating range. However

we recommend that the system should supply hot

water in excess of 60˚C.

The hot water flow rates are dependant upon the

type of boiler / heater used and the temperature rise

required to heat the cold water to the required

temperature.

The cold water flow rates may be much greater as

they are generally unrestricted from the mains cold

water supply. To ensure relatively balanced flow

rates, we recommend that a pressure reducing valve

or 6 l/min flow regulator is fitted in the cold water

supply pipe.

Cold Supply direct

from mains

Pumps

Gravity System

The drawing shows a typical installation of a shower valve on a gravity supplied system.

Please note the minimum head pressure required to ensure correct operation of the valve. In

accordance with good plumbing practice, we recommend that a totally independent hot and

cold water supply be taken to the valve.

The cold water supply must be connected

directly to the water cistern. The hot water

supply should be connected to the hot water

cylinder via an Essex flange or Sussex flange or

to the vent or a draw off pipe as close as

possible to the top of the cylinder.

For equal tank fed pressures there is no need to

fit the flow regulators. This installation is the

recommended minimum for gravity supplies.

For systems with less than 2 metre head

pressure, we recommend that a suitable booster

pump is fitted to increase the supply pressure.

Cold Mains & Gravity Hot Supplies

If the cold supply to the shower is direct from the

cold water mains and the hot water supply is

gravity fed from the cold water cistern via the

hot water cistern you MUST fit a pressure

reducing valve or a 6 l/min flow regulator.

Site Preparation

It is important to plan the installation thoroughly to suit site conditions before

commencing.

• Before commencing the installation ensure site conditions are suitable.

• Site conditions will determine how the shower valve will be installed.

• The thickness of wall tiles, plaster or plaster board should all be considered when positioning

the shower valve and routing the hot and cold supply pipes.

• Ensure the shower valve will be horizontal when installed.

• The shower valve must be installed securely into the wall using the method provided.

• The whole system should be thoroughly flushed, prior to the connection of the hot and cold

water supplies to the shower valve, to remove any debris that may be in the supply

pipework.

Min. 2m head

Option shown

for mains

pressure cold

& low pressure

hot water

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