Installation Instructions and User Guide
Contents
1. o WRAS s gN E PRO BRISTAN Installation Instructions and User Guide Temperature Stabilised Thermostatic Mixing Valves Complying with N H S Estates Model Engineering Specification DUS Models covered MI503CP MTS03CP 22 MTSUSCP ISO MISO0SCP ISOELB Please keep this booklet for future Reference Installer when you have read these instructions please ensure you leave them with the user Contents Thank you for choosing Bristan the UK s leading taps and showers expert We have designed this product with your enjoyment in mind To ensure that it works to its full potential it needs to be fitted correctly These fitting instructions have been created to give you all of the information you need and if you need any further help please do not hesitate to give us a call on 0844 701 6273 O m 3 ise MN MR A 4 6 EST go ui Dc Me THER 7 8 o Te NORTE EE 7 Conditions of Use for Type 2 Valves ooooccocconoccccncncnnononnnoonconononos 10 12 General Assembly amp Servicing Guide sse seene 13 MUSUSCP TOMI SUSE PAS UE parta 14 15 SA A AN 16 21 O 27 23 A CEG M MET THE 23 Need help Give us a call on 0844 701 6273 and speak to one of our trained advisors Introduction It has been recognised that users of hot water in care establishments are at risk from scalding This risk has been reduced by the use of thermostatic mixing valves In order to assure the performance of thermostatic mixing valves N H S2. to f if the mixed water temperature exceeds the values of the maximum recorded temperature by more than 2K the need for service work is indicated see relevant instruction leaflet Depending on the results of these two tests the following should be adopted a If a small change e g 1K to 2K occurs in one of these tests or there is no significant change le g 1K maximum then the next in service test should be 24 to 28 weeks after commissioning b If small changes occur in both test or a larger change occurs in one test exceeding 2K then the next in service test should be carried out 18 to 21 weeks after commissioning These results can then be used to set a service interval which tests have shown can be used with no more than a small change in mixed water temperature his method of determining service intervals is used to take into account various In service conditions e g water condition that the valve may experience Need help Give us a call on 0844 701 6273 and speak to one of our trained advisors 9 Conditions of Use for lype 2 Valves en oee Equal to or less than 25 C Equal to or less than 25 C NOTE Valves operating outside these conditions cannot be guaranteed by the Scheme to operate as lype 2 valves The valves designation of use LP if tested against BS EN 1287 HP if tested against BS EN 1111 and HP amp LP if tested against both standards Valves approved for designation of use H P only must
3. SSS C EE HEH LILLA 0 Jor N 11 f DU E Sais Ss eo ens Nell SEN 0 8 Sess BN ANAN E EZ ENNS l EY MER NI f a T INS YY 3 Cal S Mid ee ARIAS ESAS O A Ulli ne oe Ss N NI C ASS Y U AN y mn ETT a E e SA 5 A n L O 0 A qe 2 ay E d a CAS O AY de E 5 u N E E Un O gy 9 19 T a o on a d Q 2 C 0 a LU T BTE T O C S Outlet 15mm compression Inlet 19mm compression Need help Give us a call on 0844 701 6273 and speak to one of our trained advisors Specifications cont MT503CP ISOELB F De mm o cz ENS Ta ax T V8 ZN oy a SS M E 3 SN imi SSS d p re o 2 T J aan TT d gt BR FT LZ m j C LER RA ma ST a Ad Ay L 5 x lt ri V y NL L SH LIP Sl AE Y Ca L ES SN We AN e a ISS 2 Z SAN N PET Neh IB NSS LI A Gott EO er e SWS A AA p KA j ME mu N N 2 AN Np 2 IA EU dU uN A 4 i 1 4 SS 16 9 S 187 85 Connections Inlet 19mm compression Outlet 15mm compression 6 Need help Give us a call on 0844 701 6273 and speak to one of our trained advisors Conditions for Use The following general recommendations should be observed 1 Always install isolating valves to facilitate servicing 2 Always flush both supply pipes fully before connecting mixing valve to ensure no pipe debris enters the inlets Always fit filters pr
4. state If a water supply is fed by gravity then the supply pressure should be verified to ensure the conditions of use are appropriate for the valve Valves approved for designation of use LP Tub applications that only achieve the minimum flow rate requirement at a supply pressure of 0 2 bar must Indicate that the minimum supply pressure for LP Tub application Is 0 2 bar Recommended outlet temperatures The BuildCert TMV scheme recommends the following set maximum mixed water outlet temperatures for use In all premises 44 C for bath fill but see notes below 41 C for showers 41 C for washbasins 38 C for bidets The mixed water temperatures must never exceed 46 C The maximum mixed water temperature can be 2 C above the recommended maximum set outlet temperatures Note 46 C is the maximum mixed water temperature from the bath tap The maximum temperature takes account of the allowable temperature tolerances Inherent In thermostatic mixing valve and temperature losses in metal baths It is not a safe bathing temperature for adults or children The British Burns Association recommends 37 to 37 9 C as a comfortable bathing temperature for children 10 Need help Give us a call on 0844 701 6273 and speak to one of our trained advisors Conditions of Use for lype 2 Valves In premises covered by the Care Standards Act 2000 the maximum mixed water outlet temperature is 43 C The thermostatic mixing valve will be
5. the isolation elbow assembly to the hot and cold inlet ports Note Check all joints and connections are sealed from leakage Need help Give us a call on 0844 701 6273 and speak to one of our trained advisors 15 Parts Diagram MT503CP Er LA P4 E d rrr EEUU JS a d C p L L E i P vm p SRL f ul a ral f A Fa H Ey i 9 Head Cover Check Valve m ORI Temperature Adjusting Screw Filter 27mm Dia Head Label 16 Inlet Adapter 16 Need help Give us a call on 0844 701 6273 and speak to one of our trained advisors Parts Diagram cont MT503CP 22 Valve Head Thermostat Element 4 BS00ORng J 1 22mm Wire Mesh Filter Clamp Ring 22mm Adaptor Assembly 22mm Annealed Copper Olive Extended Thermostat Housing 24E WRC approved fibre washer for 3 4 BSP flat face connection Need help Give us a call on 0844 701 6273 and speak to one of our trained advisors 17 Parts Diagram cont MTS503CP ISO m g SN N S S N S N S S S SN S PS AN 7 2 Q Hh U or ER BATEN sa WAZOO CQ Pip ver REZA ys INS Y E T S ee E i E 7 FERES y L SN WAS ZZ ZN EEES GS a E a SSSA E 16 13 RZ E UT TTF i7A E M UE RO E R b M SPI Fi RA 18 Need help Cive us a call on 0844 701 6273 and speak to one of our t
6. 503CP 20 Need help Cive us a call on 0844 701 6273 and speak to one of our trained advisors Parts Diagram cont MT503CP ISOELB cont EC HT LON EST Rng H forene 5 Temperature Adjusting Screw 16 Rubber Seal and Filter menm H rsrmeompresson Ring D Gem s S5 oenas C ue ooo wmm oo o LLL Isolation Elbow Kit for MT503CP Parts List 780494FC SI 760305 Seal Filter Need help Give us a call on 0844 701 6273 and speak to one of our trained advisors 21 Guarantee Bristan offers solid guarantees to provide you with complete peace of mind Taps and Mixers 9 year parts and 1 year labour Gold painted and special finishes 3 years parts only All subject to proof of purchase Thermostatic Mixer Valves 1 year parts 1 year labour subject to registration or 1 year with proof of purchase Gold painted and special finishes 3 years parts only Pumps and Power Showers 2 year parts 1 year labour subject to registration Electric Showers Instantaneous Water Heaters 2 year parts 1 year labour subject to registration Accessories 9 year parts only Includes bathrooms accessories shower accessories e g hoses handsets and poles wastes WC levers and light pulls Gold painted and special finishes 3 years parts only Sanitaryware 9 year parts only Subject to proof of purchase Shower Enclosures and Shower Trays 10 year parts subject to registration or 2 years with
7. Estates Model Engineering Specification DO8 was written The valve listed in the following pages has been tested and approved to this standard by a third party as part of the Build Cert scheme for use within their designated applications This Thermostatic mixing valve has also been tested to the MV2 scheme which works to the tests found in the BS EN 1287 LP and BS EN 1111 HP The following abbreviated designation codes are used throughout this booklet Detailed descriptions are given below HP High pressure LP Low pressure S Shower B Dider W Washbasin 144 Bath with fill temperature of 44 C max 146 Bath with fill temperature of 46 C max BE Bidet with economy flow rate SE Shower with economy flow rate WE Washbasin with economy flow rate Sirrus MTS03CP APPROVED FOR USE IN THE FOLLOWING DESIGNATIONS CODE OPERATING PRESSURE APPLICATION HIGH PRESSURE SHOWER HIGH PRESSURE WASH BASIN LOW PRESSURE SHOWER LOW PRESSURE WASH BASIN HP_TAA HIGH PRESSURE BATH FILL WITH TEMPERATURE UP TO 44 TMV2 Approval Certificate Number BC283 0707 TMV3 Approval Certificate Number BC284 0707 WRAS Approval Number 0707013 For full installation instructions and method of temperature adjustment see General Assembly and Servicing Guide Need help Give us a call on 0844 701 6273 and speak to one of our trained advisors 3 Specifications Minimum pressure drop through fitting for correct mixing Maximum dynamic pressure across mixer shoul
8. appointed representative who should be a person of 18 years or over must be present during the visit All site visits to products out of guarantee will be carried out free of any parts or labour charges provided the conditions of the guarantee have been adhered to the 2 to 5 year of the guarantee is parts only unless registered All site visits to products out of guarantee will be subject to charges for parts and labour Charges will also be levied on cancelled appointments unless advised to Bristan at least 24 hours in advance of the agreed date and time Should a product be discontinued Spare parts stocks will be maintained but in the event of a part becoming unavailable Bristan reserve the right to supply a substitute of equal quality In order to log an enquiry with us please visit http www bristan com customerservice Opening times Please refer to the Bristan website Customer Service Tel 0844 701 6273 e Fax 0844 701 6275 Need help Give us a call on 0844 701 6273 and speak to one of our trained advisors 23 Part Number 800516C Issue MTS03CP Range Bristan Group Ltd Birch Coppice Business Park Dordon Tamworth Staffordshire B78 ob Web www bristan com Email enquire dbristan com A Masco Company assupplies co uk
9. d help Give us a call on 0844 701 6273 and speak to one of our trained advisors General Assembly amp Servicing Guide 1 Isolate hot and cold supplies Remove Head Cover 2 Unscrew Head from Body 3 Remove Adjusting screw from Head N B Note approximate position of Adjusting screw In Head before removing Replacement of Adjusting screw in same position upon re assembly ensures virtual restoration of original temperature 4 Remove Thermostat Piston assembly Thermostat housing and Return spring TO CLEAN 1 Soak all metal parts in de scalent wash off in clean water 2 Lightly grease all metal parts with silicone grease 3 Replace worn and damaged O rings RE ASSEMBLY 1 Replace Return spring and Piston assembly Thermostat housing and Thermostat 2 Re assemble Adjusting screw to Head to original setting 3 Screw Head into Body Continue until it reaches a dead stop 4 Slight temperature adjustment may be necessary upon re introduction of supply TEMPERATURE SETTING 1 urn Adjustment screw clockwise for EA cooler temperature anti clockwise for Jaw Fi a ii B x a N N A A A 4 U W warmer temperature Replace Head ET Xe T Uie N WAW N i AN 1 U y U r P I d b QN i l I Cover v NA NY f pes j ES P MA So j ge maan A ae p E Sup 7 l E Fi 2 OLD NOTE All installation and maintenance procedures should be carried out in accordance with these guidelines Please rea
10. d not exceed Maximum static pressure to be applied to fitting Maximum pressure loss ratio Temperature stability with normal variation of supply temperatures and pressures temperature Factory set standard blend temperature Maximum hot supply temperature The sensitive wax capsule will shut down the operation of the valve if either the hot or cold water supply fails provided a minimum differential of 109C exists between the mixed water temperature and the remaining supply Performance Pressure Drop 01 0 2 Ba 1 15 25 3 4 5 Bar Flow Rate Litres Min n ss pa Flow rates are In litres per minute at an open outlet with equal pressure drops fitted with check valves and filters as supplied MT503CP nonna P ERES Lim m pa m mS vH z L n 5 z E LLL Ef zer ENS E AA Bm B Poo OSA zu Em HOT TES E CT L L EJ E 1 m L1 EF a ee e ET a I Ara e hn 103 50 Connections Inlet 19mm compression Outlet 19mm compression 59 00 4 Need help Give us a call on 0844 701 6273 and speak to one of our trained advisors UR 6 S UR 6 See ES dl Su G o A N Sa a A ANSI eal AS EE SA L HE N T C mm NN NA O E S NP ed SEN S S 7 DIRS sess SEN e ERR Gg X SN A S LA Sah ESSSS
11. d the temperature of the mixed water at a smaller draw off rate which shall be measured d Isolate the cold water supply of the mixing valve and monitor the mixed water temperature e Record the maximum temperature achieved as a result of d and the final temperature f Record the equipment thermometer etc used for the measurements 8 Need help Cive us a call on 0844 701 6273 and speak to one of our trained advisors In Service Testing In Service Testing The purpose of in service testing is to regularly monitor the thermal performance of the thermostatic mixing valve Deterioration in performance can Indicate the need for service work to be carried out on the system If the authority concerned does not have a planned test and maintenance schedule then the suggestions below should form the basis of a new system At intervals of 6 8 weeks and 12 15 weeks after commissioning 1 Check supply parameters are still within the expected values If not check system for faults 2 Carry out commissioning procedures al to c using the same test equipment if the mixed water temperature has changed a significant amount by more than 1K check to ensure in line filters are clean that the check valves are working and all isolating valves are fully open If no fault can be found check and record the mixed water temperatures and re adjust mixed water temperature to the values in table 2 Complete the commissioning procedure a
12. d these guidelines before commencing any new installation or servicing of existing units Need help Give us a call on 0844 701 6273 and speak to one of our trained advisors 13 Y ea ES R l TEA F IH C L E Plastic Filter FL En SS 7 C rere Compression Nut Ym ll T Ted y R Ge D zu m Je LEE LLA 77 il r Q Q D N Ka S la Bn pu J LS pe SY tA ree CATS N a 7 S ZAAN L Kl AN L a I y Y ATEN Qs MEM Loo S X N ENS LA EFIE a AZZZ Aes _S ET Pa E SESS m T AE La Waters AS SAS m oe LN RSS NSSSSNSNN 1 zie BI SS SENS Apu m tni Le P p EE cn LLI O gi l G O CY CO LC I zn G O CY CO LO I gt UT OO x Q Oo 0 E o NE s Ka ow Uo mur W gt 6 c o 2 uU UD o 0 O dps ET C C O o 00 D O A E O8 O peu oo o O Eez a G O O p O n O Cc Qo o O ECO c L 0 Uy O K OD n q a gt n om U d E O O Nes dE i M Co 2 EE Z e O o o V o a E Lb O 5 D o o Z U c E ao 1 Ze 3 Need help Give us a call on 0844 701 6273 and speak to one of our trained advisors 14 MISUSCP to MI S503CP ISOELB 4 Push the seal filter into the isolation elbow 15mm Compression 9 Attach
13. eak to one of our trained advisors 7 Conditions for Use cont c The supply temperatures are such that they are within the permitted range see table1 and comply with guidance Information on the prevention of legionnella Note If the supply conditions are not within the parameters for normal use the valve may still be suitable but individual engineers must carry out their own risk Assessment and satisfy themselves that the units are still suitable for use Adjust the mixed water temperature In accordance with table 2 the method of adjustment is covered in the section temperature Setting Table 2 Mixed Water Temperature Application Abbreviated Designation Mixed Water Temperature C Wash basin HP W WE LP W WE Bath 44 C fill HT Bath 48 C fill RET Note 1 For washbasins washing under running water Is assumed Note 2 Bath fill temperatures of more than 44 C should only be available when the bather is always under the supervision of a competent person le g nurse or care assistant Note 3 A thermostatic mixing valve having multiple designations i e it is capable of satisfying the requirements of this specification for more than one application should be re set on site to suit the designation required The following set of tests should be carried out a Record the temperature of the hot and cold water supplies b Record the temperature of the mixed water at the largest draw off flow rate c Recor
14. esting is due the following performance checks shall be carried out Measure the mixed water temperature at the outlet Carry out the cold water supply isolation test by isolating the cold water supply to the TMV wait for five seconds If water Is still flowing check that the temperature Is below A5 Need help Cive us a call on 0844 701 6273 and speak to one of our trained advisors 11 Conditions of Use for lype 2 Valves If there is no significant change to the set temperature 2 C or less change from the original settings and the fail safe shut off is still functioning then the valve is working correctly and no further service work Is required Notes If there is a residual flow during the commissioning or the annual verification cold water supply test then this is acceptable providing the temperature of the water seeping from the valve is no more than 2 C above the designated maximum mixed water outlet temperature setting of the valve Temperature readings should be taken at the normal flow rate after allowing for the system to stabilise The sensing part of the thermometer probe must be fully submerged in the water that is to be tested Any TMV that has been adjusted or serviced must be re commissioned and re tested In accordance with the manufactures Instructions The installation of thermostatic mixing valves must comply with the requirements of the Water Supply Water Fittings Regulations 1999 12 Nee
15. installed in such a position that maintenance of the TMV and its valves and the commissioning and testing of the TMV can be undertaken The fitting of isolation valves is required as close as is practicable to the water supply inlets of the thermostatic mixing valve Model MT503CP ISOELB is supplied with isolation valves in each elbow The fitting of strainers is recommended as close as is practicable to the water supply inlets of the thermostatic mixing valve This fitting is supplied with backflow prevention devices fitted One 15mm spring loaded DN15 check valve is fitted In line In each inlet of the mixer body Commissioning notes for Thermostatic Mixing Valves The first step in commissioning a thermostatic mixing valve is to check the following e The designation of the thermostatic mixing valve matches the application e The supply pressures are within the valves operating range e The supply temperatures are within the valves operating range e Isolating valves land strainers preferred are provided If all these conditions are met proceed to set the temperature as stipulated in the manufacturer installation instructions Method for adjusting the mixed water temperature with a note that states he mixed water temperature at the terminal fitting must never exceed 46 C It is a requirement that all TMV2 approved valves shall be verified against the original set temperature results once a year When commissioning t
16. ovided 3 All installations must comply with current local water company regulations CONDITIONS FOR NORMAL USE In order to give compliance with N H S specification Dog and TMV2 scheme The table below lists the conditions for normal use the valves may perform adequately outside these parameters but the TMV2 and TMV3 scheme approval does not apply If they are required to work with other supply conditions an engineer must carry out a risk assessment and satisfy themselves that the units are still suitable for use Table 1 Conditions for normal use Operating Pressure Range High Pressure Maximum static pressure bar Flow pressure hot and cold bar ld Hot supply temperature C 92 69 92 69 je Cold supply temperature 9 20 9 20 Minimum lemperature Differential Between 1090 1090 Mixed Temperature amp Either Supply COMMISSIONING Since the installed supply conditions may differ from those used in testing and setting the valves during final inspection and a valve may have several designations it is necessary to reset the mix temperature he following procedure should be used after ensuring a The designation of the thermostatic mixing valve matches the intended application e g if a shower is to be supplied at 2 bar then the valve must have a HP S designation b The supply pressures match those for which the valve has been approved see table and valve details Need help Give us a call on 0844 701 6273 and sp
17. proof of purchase 1 year labour subject to registration or 1 year with proof of purchase Heated Towel Rails 9 year parts only Gold painted and special finishes 3 years parts only All subject to proof of purchase Labour provided by an approved Bristan engineer Guarantee only applies to products with a manufacturing fault A deferred payment will be necessary in order to secure any visits by our engineers which will be charged if the problem Is found not to bea manufacturing fault If the fault is found to be down to a manufacturing error the payment will be released and not charged This guarantee applies to products purchased within the United Kingdom or Republic of Ireland but does not apply to products used commercially The guarantee is only available to original purchasers who have proof of purchase The installation must allow ready access to all products for the purpose of inspection maintenance or replacement Any part found to be defective during the above guarantee period will be replaced without charge providing that the product has been installed in accordance with the instructions used as intended and regularly serviced Servicing should be carried out at regular intervals of no more than 12 months and more frequently in hard water areas heavy lime scale areas In the unlikely event that any problems are encountered with the products performance on installation you must obtain guidance a
18. rained advisors Parts Diagram cont MT503CP ISO cont Valve Body Check Valve Valve Head Mesh Filter Isolating Adaptor Assembly Plated Brass Ball Clamp Ring 15mm Annealed Copper Olive Overtravel Spring E 13 Return Spring 17J WRC Approved Fibre Washer for 34 BSP Flat Face Connection Need help Give us a call on 0844 701 6273 and speak to one of our trained advisors 19 Parts Diagram cont MTS503CP ISOELB 20 OX2OD Dic C ARAN ae LALLLELLLELL gl ata gt S LLLA 5 Yl 16 Fs 4 E L d a x Pu a a a a AD II Lo 7 i mt 4 S B SSY AA 2 k t H ASS mi TII 4 TaN 7 EIN EZTA 5 IZN 777 K EN AN A oO x ad C S Ca SS GL Oe Ea 4 ji il n L S IH HH bla UL W E Ne 2 F y y F 3 LA L O C L LE L e Y T Du P PENS SON NN CANS E c Ose N SS OW u SS x SDDS v 7 LLLA C Y HAL OS L C SS z S SSAA SE 3 TATE n d ES IR V IZ SA QU 4 Ly Ci A A 14 s L EA E E SANANI a 77 Isolation Elbow Kit for MT
19. uthorisation from our Customer Service Department and be able to supply proof and date of purchase before any remedial action Is taken The guarantee excludes general wear and tear and damage caused by accident misuse or neglect and does not cover the following 22 Need help Give us a call on 0844 701 6273 and speak to one of our trained advisors Guarantee amp Service Policy e Components that are subject to general wear and tear such as filters seals O rings and washers etc e Damage caused by faulty Installation e Damage caused by lime scale or any waterborne debris e Damage caused by inappropriate cleaning products see cleaning section e Damage caused by the use of non Bristan parts e he product being used for a purpose other than intended by the manufacturer In the interests of continuous product improvement Bristan reserves the right to alter Specification as necessary Replacement Parts Policy Important In the event of product or component malfunction DO NOT tamper with or remove the product from site Telephone the Customer Services Department and be prepared with the date of purchase model number and a clear description of the complaint Our service staff are fully qualified to advise on correct installation procedures and will be able to diagnose whether the fault will require a replacement part or a visit from a Bristan engineer If required a service call will be booked and either yourself or an
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