Bristan MT503CP Installation Instructions And User Manual
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Bristan MT503CP Installation Instructions And User Manual

Temperature stabilised thermostatic mixing valves complying with n.h.s estates model engineering specification d08
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Installation Instructions
and User Guide
Temperature Stabilised
Thermostatic Mixing Valves
Complying with N.H.S
Estates Model Engineering
Specification D08
Models covered: MT503CP,
MT503CP-22, MT503CP-ISO,
MT503CP-ISOELB
Please keep this booklet for future
Reference.
Installer, when you have read these
instructions please ensure you leave them
with the user.

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Summary of Contents for Bristan MT503CP

  • Page 1 User Guide Temperature Stabilised Thermostatic Mixing Valves Complying with N.H.S Estates Model Engineering Specification D08 Models covered: MT503CP, MT503CP-22, MT503CP-ISO, MT503CP-ISOELB Please keep this booklet for future Reference. Installer, when you have read these instructions please ensure you leave them...

  • Page 2: Table Of Contents

    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.

  • Page 3: Introduction

    T44 Bath with fill temperature of 44°C max T46 Bath with fill temperature of 46°C max SE Shower with economy flow rate WE Washbasin with economy flow rate Sirrus MT503CP APPROVED FOR USE IN THE FOLLOWING DESIGNATIONS CODE OPERATING PRESSURE APPLICATION...

  • Page 4: Specifications

    30.5 35.0 (Litres / Min) Flow rates are in litres per minute at an open outlet with equal pressure drops, fitted with check valves and filters as supplied. MT503CP 142.50 Connections Inlet: 15mm compression Outlet: 15mm compression Need help? Give us a call on 0844 701 6273 and speak to one of our trained advisors.
  • Page 5 Specifications cont. MT503CP-22 Connections Inlet: 22mm compression Outlet: 15mm compression MT503CP-ISO Connections Inlet: 15mm compression Outlet: 15mm compression Need help? Give us a call on 0844 701 6273 and speak to one of our trained advisors.
  • Page 6 Specifications cont. MT503CP-ISOELB 187.85 Connections Inlet: 15mm compression Outlet: 15mm compression Need help? Give us a call on 0844 701 6273 and speak to one of our trained advisors.

  • Page 7: Conditions For Use (Type 2)

    Conditions for Use for Type 2 Valves Note: Valves operating outside these conditions cannot be guaranteed by the Scheme to operate as Type 2 valves. The valves designation of use, LP if testes against BS EN 1287, HP if tested against BS EN 1111 and HP &...
  • Page 8 Conditions for Use for Type 2 cont. The British Burns Association recommends 37 to 37.5˚C as a comfortable bathing temperature for children. In premises covered by the Care Standards Act 2000, the maximum mixed water outlet temperature is 43˚C. The thermostatic mixing valve (TMV) will be installed in such a position that maintenance of the TMV and its valves and the commissioning and testing of the TMV can be undertaken.

  • Page 9: Commissioning

    Commissioning Commissioning notes for Thermostatic Mixing Valves The first step in commissioning a thermostatic mixing valve is to check the following: 1. The designation of the thermostatic mixing valve matches the application. 2. The supply pressures are within the valves operating range. 3.

  • Page 10: In-Service Testing

    In-Service Testing Purpose The purpose of in service tests is to regularly monitor and record the performance of the thermostatic mixing valve. Deterioration in performance can indicate the need for service work on the valve and / or water supplies. Procedure Using the same measuring equipment or equipment to the same specification as used in the commissioning section, adjust the temperature of the mixed water in accordance with...

  • Page 11: In-Service Testing

    In-Service Testing cont. Annex F of D 08 (informative) Frequency of In-service tests General In the absence of any other instruction or guidance on the means of determining the appropriate frequency of in-service testing, the following procedure may be used: a) 6 to 8 weeks after commissioning carry out the tests in ‘In-Service Tests’.
  • Page 12 Conditions of Use for Type 3 Valves In order to give compliance with N.H.S. specification D08 the table below lists the conditions for normal use. These valves will perform adequately outside these parameters, however they cannot be guaranteed by the scheme to operate as Type 3 valves.

  • Page 13: Commissioning

    Commissioning Commissioning notes for Thermostatic Mixing Valves The first step in commissioning a thermostatic mixing valve is to check the following: 1. The designation of the thermostatic mixing valve matches the application. 2. The supply pressures are within the valves operating range. 3.

  • Page 14: In-Service Testing

    In-Service Testing Purpose The purpose of in service tests is to regularly monitor and record the performance of the thermostatic mixing valve. Deterioration in performance can indicate the need for service work on the valve and / or water supplies. Procedure Using the same measuring equipment or equipment to the same specification as used in the commissioning section, adjust the temperature of the mixed water in accordance...
  • Page 15 In-Service Testing Table 17: Guide to maximum stablised temperatures recorded during site tests If at step (e) the final mixed water temperature is greater than 41ºC and / or the maximum temperature exceeds the corresponding value from the previous results by more than about 2K, the need for service work is indicated.

  • Page 16: General Assembly & Servicing Guide

    General Assembly & 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).

  • Page 17: Mt503Cp To Mt503Cp-Isoelb

    MT503CP to MT503CP-ISOELB Compression Nut 1. Remove the compression nuts, olives and plastic filters from the standard MT503CP inlet ports. Olive Plastic Filter Flat Face Adaptor 2. Place the ‘O’ ring provided in this kit onto the flat face adaptor.
  • Page 18 MT503CP to MT503CP-ISOELB 4. Push the seal / filter into the isolation elbow. Isolation Elbow Seal / Filter 15mm Compression 5. Attach the isolation elbow assembly to the hot and cold inlet ports. Note: Check all joints and connections are sealed from leakage.

  • Page 19: Parts Diagram

    Parts Diagram MT503CP Valve Body Head Cover Valve Head Check Valve Piston Assembly Compression Nut Thermostat Element Compression Ring Return Spring ‘O’ Ring ‘O’ Ring Temperature Adjusting Screw ‘O’ Ring Filter 27mm Dia Head Label Inlet Adapter Need help? Give us a call on 0844 701 6273 and speak to one of our trained advisors.
  • Page 20 Parts Diagram cont. MT503CP-22 Valve Body Return Spring Valve Head Thermostat Element Head Cover Check Valve BS010 ‘O’ Ring 22mm Wire Mesh Filter Temperature Adjusting Screw 15mm Compression Ring Plain Ring 15mm Compression Nut Clamp Ring 22mm Adaptor Assembly BS023 ‘O’ Ring...
  • Page 21 Parts Diagram cont. MT503CP-ISO Need help? Give us a call on 0844 701 6273 and speak to one of our trained advisors.
  • Page 22 Parts Diagram cont. MT503CP-ISO cont. Valve Body Check Valve Valve Head Mesh Filter Head Cover Isolating Adaptor Assembly BS010 ‘O’ Ring 15mm Body Temperature Adjusting Screw Plated Brass Ball Plain Ring Brass Nut Clamp Ring 15mm Annealed Copper Olive BS023 ‘O’ Ring...

  • Page 23: Parts Diagram

    Parts Diagram cont. MT503CP-ISOELB Isolation Elbow Kit for MT503CP Need help? Give us a call on 0844 701 6273 and speak to one of our trained advisors.
  • Page 24 Clamp Ring 15mm Compression Nut BS023 ‘O’ Ring Adaptor Assembly Overtravel Spring Label ‘O’ Ring 80 SH EP11/8/3 Elbow Isolation Piston Isolation Elbow Kit for MT503CP Parts List Item Nº Part Ref Description Quantity 780494FC Isolation Elbow 760305 Seal / Filter...

  • Page 25: Guarantee

    Guarantee At Bristan, we want to make things as easy as possible for our customers. That’s why we offer solid guarantees on all our products, effective from the fate of purchase, to give you peace of mind. To start your free guarantee simply scan the QR code and register your product.

  • Page 26: Notes

    Notes Need help? Give us a call on 0844 701 6273 and speak to one of our trained advisors.
  • Page 27 Notes Need help? Give us a call on 0844 701 6273 and speak to one of our trained advisors.
  • Page 28 Part Number: 800516G Issue: MT503CP Range Bristan Group Ltd. Birch Coppice Business Park Dordon Tamworth Staffordshire B78 1SG Web: www.bristan.com Email: enquire@bristan.com A Masco Company...

This manual is also suitable for:

Mt503cp-isoMt503cp-22Mt503cp-isoelb

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