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Summary of Contents for Bristan H64WMT2
- Page 1 Installation Instructions and User Guide Single Sequential D08 TMV3 Thermostatic Mixer Taps Models covered: H64WMT2 & H64DMT2 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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Page 2: Table Of Contents
Thank you for choosing Bristan, the UK’s leading showers and taps expert. Your Bristan mixer tap is a thermostatic mixer incorporating a wax capsule thermostat to ensure constant temperatures. These instructions are for your guidance to a safe and successful installation and should be left with the user. -
Page 3: Important Safety Information
Important Safety Information • Please read these instructions thoroughly and retain for future use. • All products manufactured and supplied by Bristan are safe provided they are installed, used correctly and receive regular maintenance in accordance with these instructions. • If you are in any doubt about your ability to install this mixer tap safely you must employ the services of an experienced qualified plumber. -
Page 4: General Information
General Information Operating pressure range: Minimum 0.2 bar, Maximum 5.0 bar. Maximum static pressure: 10.0 bar. This product has been tested to the TMV3 scheme for use in Healthcare and Commercial situations and performs to the requirements of NHS Specification D08. It also satisfies the requirements of the water supply (water fittings) regulations 1999 and current bylaws. -
Page 5: Product Benefits
Product Benefits On / Off and Temperature Control Turn the lever anti - clockwise to turn on the flow of water. The water temperature will increase the further the lever is turned. To decrease the temperature of water turn the lever back clockwise. Thermal Disinfection Flushing In order to control the build up of bacteria and to assist against legionella, this TMV has... -
Page 6: Specifications
Specifications Specifications Inlet connections: 15mm compression with 150-200mm adjustable centres. Operating pressure range: Min. 0.2 Bar - Max. 5.0 Bar - Maximum recommended imbalance between hot and cold supply should not exceed a ratio of 5:1. Maximum Static Pressure: 10 Bar Maximum outlet temp: Factory pre-set to 41°C (can be re-set to suit site conditions). -
Page 7: Dimensions
Dimensions (mm’s) H64 WMT 2 Ø65 150-200 H64 DMT 2 150-200 Need help? Give us a call on 0844 701 6273 and speak to one of our trained advisers. -
Page 8: Installation Requirements
Installation Requirements This mixer tap must be installed in Important: If you install this mixer tap compliance with current water regulations. with a gravity fed system, there must be If you have any doubts about the water a minimum head (vertical distance) from the regulation requirements contact your local underside of the cold water storage tank to water services provider or use the services... - Page 9 Installation Requirements Instantaneous Water Heater Unvented System cold mains supply cold mains supply Pumped System Pumped System (with Essex flange) 2m min. 2m min. If less than 1m see note. 50mm cold mains supply cold mains supply Key: Isolating Reducing Mixer Pump Essex...
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Page 10: Wras Irn's
Installation Requirements This fitting needs to be installed in Size of tap or Vertical distance accordance with the following Installation combination fitting of outlet above spill- Requirements and Notes (IRN) to ensure over level they meet the requirements of the Water 1. -
Page 11: Tmv3
Installation Requirements Conditions of use for Type 3 (Thermostatic mixer) 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. If they are required to work with other supply conditions an engineer must carry out a risk assessment and satisfy themselves that the valves are suitable for use. -
Page 12: Prior To Installation
Prior to Installation Flow Straightener. This mixer tap is supplied with a choice of laminar or open outlet flow straighteners. Outlet Both flow straighteners are supplied loose in Sealing the box, allowing the installation to be made Washer in line with different site conditions and user Laminar preference. -
Page 13: Installation
Installation - H64 WMT 2 1. Prepare Water Supply Pipes Important: Water supplies to the mixer must be with hot on the left and cold on the right Terminate suitable pipework inside the wall when viewed from the front. cavity / stud partition, ensuring the centres of the hot and cold water supply pipes are 150-200mm apart. -
Page 14: Deck Mount
Installation - H64 DMT 2 1. Prepare Water Supply Pipes Terminate suitable pipework under the sink / work surface ensuring the centres of the hot and cold water supply pipes are 150-200mm apart. 2. Fit Mixer Tap Position the mixer tap into the holes in the sink / work surface. -
Page 15: Operating The Mixer Tap
Operating the Mixer Tap On / Off and Temperature Control Turn the lever anti - clockwise to turn on the flow of water. The water temperature will increase the Cold further the lever is turned. To decrease the temperature of water turn the lever back clockwise. -
Page 16: Commissioning
Commissioning Commissioning notes for outlet temperature (+/-2˚C or less change from the original settings) and the fail-safe Thermostatic Mixing Valves shut off is functioning, then the valve is working correctly and no further service The first step in commissioning a work is required. -
Page 17: In-Service Testing
In-Service Testing Purpose c) Any isloating valves are fully open. The purpose of in service tests is to regularly With an acceptable mixed water monitor and record the performance of the temperature, complete the following thermostatic mixing valve. procedure: Deterioration in performance can indicate a) Record the temperature of the hot and the need for service work on the valve and / cold water supplies. - Page 18 In-Service Testing Annex F of D 08 (informative) d) If significant changes (e.g. > 2K) in mixed water temperatures are recorded in either Frequency of In-service tests of these periods, necessitating service work, then the next in-service test should General be carried out at 18 to 21 weeks after In the absense of any other instruction or commisiioning.
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Page 19: Maintenance
Maintenance Cleaning the Spout / Replacement To assist with your infection control regime, this mixer is fitted with a removable spout which should be periodically removed Spout and cleaned in line with your site risk Connection assessments. Replacement spouts are available if required in order to minimise down-time for the mixer during this process. -
Page 20: Cartridge Maintenance
Leave in the solution until the water has cooled and rinse with clean water. 4. Grease the seals with a silicon grease supplied by Bristan (part number: Cartridge 495-0002) and carefully refit the cartridge. 5. Replace the lever handle, tighten the grub screw and push-fit the cap into position. -
Page 21: Non-Return Valve Maintenance
4. Replace Internal Tube Replace the internal tube using a new spare part supplied from Bristan. Note: Internal tube with yellow flow regulator must be fitted to the hot inlet. The internal tube with the Olive flow regulator must be fitted to the cold inlet. -
Page 22: Adjusting The Temperature
Maintenance Adjusting the Temperature 2. Remove the temperature control lever. Remove the cap, undo the grub screw and The mixer tap has been factory set with carefully remove the lever handle. equal (balanced) hot and cold water supply 3. Insert a 2.5mm hexagonal key into the pressures with the hot water supply at 65˚C. -
Page 23: Thermal Disinfection Flushing
Maintenance Thermal Disinfection Flushing 4. Turn the flow of water on by turning the flow handle to the ‘On’ position. In order to kill off any build up of bacteria and to assist against legionella, this TMV has 5. Hot water will flood the mixer tap and exit a built in cleansing feature that allows the the outlet. -
Page 24: Troubleshooting
Troubleshooting Symptom Cause Remedy No flow or low Partially closed stop or service Open stop or service valve. flow rate and valve in water supply pipework to / or varying the mixer tap. temperatures. Instantaneous water heater cycles Increase water flow rate or on and off as the flow rate or pressure through system. - Page 25 Troubleshooting - cont. Symptom Cause Remedy Outlet water Inlet filter is partially blocked. Check insert filters for any temperature too blockages and clean as necessary. hot / cold. Installation conditions outside Refer to Installation Requirements operating parameters. section (pages 8-11). Service mixer valve as recommended.
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Page 26: Guarantee
Guarantee At Bristan, we want to make things as easy as • Repair under this guarantee does not possible for our customers. That’s why we extend the original expiry date. The design products that are easy to fit and use,... - Page 27 Bristan Care out one of our Bristan Care Customer Service on 0844 701 6273 with engineers to take a look. Bristan Care engi- your proof of purchase and we will work to neers provide free support for resolve the problem quickly.
- Page 28 Part Number: FI H64 2 Issue: D1 Useful contact details: Customer Service: 0844 7016273 Bristan Group Ltd. Customer Service Email: Birch Coppice Business Park Customercare@bristan.com Dordon Tamworth Customer Service Fax: Staffordshire 0844 7016275 B78 1SG Reception: Web: www.bristan.com 0844 7016274 Email: enquire@bristan.com...
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