Bristan H64WMT2 Mounting instructions

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.
Installation Instructions
and User Guide
Single Sequential D08 TMV3
Thermostatic Mixer Taps

Thank you for choosing Bristan, the UK’s leading taps and showers
expert. We have designed this product with your enjoyment in mind.
Please read these instructions thoroughly and retain for future
use. 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 0330 026 6273.
Contents
• Important Safety Information 3
• Specification 4
• Product Benefits 5
• Installation Requirements 6-8
• Prior to Installation 9
• Installation - Wall Mounted 10
• Installation - Deck Mounted 11
• General Cleaning 12
• Operation 12
• Maintenance 13-17
• Troubleshooting 18-19
Need help? Give us a call on 0330 026 6273 and speak to one of our trained advisors.
Contents
2

All products manufactured and supplied by Bristan are safe to use
provided that they are installed, operated and receive regular maintenance
in accordance with these instructions.
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 by-laws. For full Installation Requirements &
Notes (IRN) please visit wras.co.uk/directory.
To ensure the product is installed in compliance to the TMV3 and D08
standards, please refer to the TMV Manual provided separately with this
product. Failure to do so may mean that the tap is no longer compliant.
Isolation valves must be fitted to the inlet water supplies to ensure ease of
future maintenance. Before installing this product the water supply must be
thoroughly flushed in order to remove any swarf, solder etc. Full access must
be made available for future maintenance/servicing purposes.
Before drilling into walls, check that there are no hidden electrical wires,
cables or water supply pipes. This can be checked with the aid of an
electronic detector.
If power tools are used do not forget to:
- Wear eye protection
- Unplug equipment after use
This product must not be modified in any way as this will invalidate
the guarantee.
If you are in any doubt about your ability to install this product safely you
must employ the services of an experienced qualified plumber. If in doubt,
contact a registered plumber, your Local Water Authority or the Secretary of
the Institute of Plumbing, address as follows:-
The Institute of Plumbing,
64 Station Lane,
Hornchurch,
Essex,
RM12 6NB, Tel: [phone]
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Important Safety Information

Recommended Usage
Domestic Heavy
Commercial
Light
Commercial Health Care
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.
If the fitting is installed at low
pressure (tank fed), then the
minimum distance from the outlet
to the underside of the cold tank
should be at least 2 metres to ensure
adequate performance.
Note: Nominally equal (balanced)
inlet supply pressures are
recommended for optimum
performance with mixer taps.
Maximum Static Pressure: 10 Bar
TMV3 Designation:
HP-WE & LP-WE
Maximum Outlet Temperature:
Factory pre-set to 41°C
The temperature can be reset to suit
site conditions. If the temperature is
re-set to suit dierent site conditions
the mixer will work adequately
however the TMV3 scheme may not
apply.
Supply requirements:
Minimum cold water supply
temperature: 5°C.
Maximum cold water supply
temperature: 25°C.
Maximum hot water supply
temperature: 80°C.
A maximum hot water supply
temperature of 60 - 65°C is
recommended for ablutionary
purposes. BS 8558 recommends
hot water should be stored and
distributed at a temperature of
no less that 60°C which will help
minimise the build-up of lime scale in
hard water areas.
Note: The inlet hot water
temperature must be at least
10°C above the required blend
temperature (eg. mixer temperature
41°C: minimum hot supply 51°C).
Flow Regulators
This product is supplied fitted with
a yellow 5 l/p/m (Hot) and a Olive
2 l/p/m (Cold) flow regulator which
should remain fitted for both high
and low pressure systems.
If the flow regulators are replaced
they must be fitted as below;
Yellow 5 l/p/m - Hot outlet
Olive 2 l/p/m - Cold outlet
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Specification
4

On/O 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 a built in
cleansing feature that allows the
mixed water passages to be flushed
with hot water without the need to
disassemble the mixer valve or reset
the mixed water temperature.
Easy Clean Filters
This TMV has easy clean filters which
once removed isolate the water
supply to the mixer body.
TMV3 Approved
This TMV has been tested to the
TMV3 scheme for use in Healthcare
and Commercial situations and
performs to the requirements of NHS
Specification D08.
Removable Spout
The mixer tap has a removable spout
to assist with your infection control
regime.
Cool Touch Body
The mixer body and hot inlet will only
ever reach the mixer water outlet
temperature to prevent scalding.
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Product Benefits

Important: If you install this mixer
tap with a gravity fed system,
there must be a minimum head
(vertical distance) from the underside
of the cold water storage tank to the
outlet of at least 2 metres .
Note: Pumped system (with Essex
flange) If you install this mixer valve
to a pumped gravity fed system
where the minimum head (vertical
distance) from the underside of the
cold water storage tank to the top
of the hot water cylinder is less than
1 metre we recommend an Essex
flange is used as shown.
Flushing Pipework
Important: Before connecting
the mixer tap the supply
pipework must be flushed to clear
debris before connecting the
mixer tap. Debris will reduce the
performance and life of the mixer.
This mixer tap must be installed
in compliance with current water
regulations. If you have any
doubts about the water regulation
requirements contact your local
water services provider or use the
services of a professional plumber.
This mixer tap is suitable for use with
the following water supply systems:
• Gravity Fed Hot and Cold
(pressure balanced)
• Gravity Fed Hot and Mains
Cold (dierential pressure - see
Specification section on page 6)
• Instantaneous water heater
(combination boiler)
• Unvented System
• Pumped System
Gravity Fed Hot and Cold Gravity Fed Hot and Mains Cold
cold mains supply cold mains supply
2m min.
2m
min.
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Installation Requirements
6

Unvented SystemInstantaneous Water Heater
Pumped System
cold mains supply
cold mains supply
Pumped System (with Essex flange)
cold mains
supply
cold mains
supply
2m min.
Key:
2m min.
50mm
If less
than
1m see
note.
Isolating
Valve
Reducing
Valve Mixer
Tap
Pump Essex
Flange
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Installation Requirements

This fitting needs to be installed
in accordance with the following
Installation Requirements and Notes
(IRN) to ensure they meet the
requirements of the Water Supply
(Water Fittings) Regulations 1999
and the Scottish Byelaws 2004.
IRN R001: See text of entry for
Installation Requirements or Notes.
IRN R040 - Schedule 2-15 (1): The
fitting shall be installed so that its
outlet discharges above the spill-
over level of any fixed appliance as
indicated below:-
For backflow protection in domestic
or installations up to, and including,
Fluid Category 3.
If the fitting cannot be installed as
indicated in the table opposite it shall
be installed as either a or b below:
a: with an approved double check
valve assembly or some other no less
eective backflow prevention device
immediately upstream of the inlet.
b: so that it draws water by gravity
only from a cistern, or cylinder having
a permanently open vent pipe, and
the distributing pipe supplies no
other fittings (other than a draining
tap) at a lower level.
For backflow protection in premises
or installations up to, and including
Fluid Category 5.
The vertical distance of the outlet
above the spill-over level shall be
not less than 20mm or twice the
diameter of the inlet pipe to the
fitting, which ever is the greater. If
the fitting cannot be installed as
indicated it shall be installed with a
backflow prevention arrangement
suitable for the Fluid Category.
Size of tap or
combination
fitting
Vertical
distance
of outlet above
spill-over level
1. Not exceeding
½”
20mm
2. Exceeding ½”
but not
exceeding ¾”
25mm
3. Exceeding ¾” 70mm
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Installation Requirements
8

Outlet
Flow Straightener
This mixer tap is supplied with a
choice of aerator or open outlet
flow straighteners.
Both flow straighteners are supplied
loose in the box, allowing the
installation to be made in line with
dierent site conditions and user
preference.
To Fit the Flow Straightener
Insert the chosen flow straightener
into the casing, ensuring the sealing
washer is placed on top of the flow
straightener. Using a suitable span-
ner tighten the casing into the spout
outlet.
Adjustable
Spanner
Open
outlet
Outlet
Sealing
Washer
Casing
Aerator
Sealing
Washer
Casing
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Prior to Installation

1. Prepare Water Supply Pipes
Terminate suitable pipework inside
the wall cavity / stud partition,
ensuring the centres of the hot and
cold water supply pipes are 150-
200mm apart.
Important: Before drilling into
walls, check that there are no
hidden electrical wires, cables or
water supply pipes. This can be
checked with the aid of an electrical
detector.
If power tools are used do not forget
to:
• Wear eye protection
• Unplug equipment after use
2. Fit Mixer Tap
Position the mixer tap into the holes
in the wall surface. Tighten the
backnuts fully using a suitable
spanner.
3. Connect Pipework
Push the nuts and olives onto the
pipework. Push the pipework into the
connections ensuring the olives are
against the connections and tighten
the compression nuts to create a
water tight seal.
4. Tighten Mixer Connections
Using a suitable hexagonal key
tighten the top and bottom grub
screws on to the connections.
Note: The top and bottom grub
screws must be tightened equally.
You can now refer to the TMV
Manual to Commission the valve.
Important: Water supplies to the
mixer must be with hot on the left
and cold on the right when viewed
from the front.
Need help? Give us a call on 0330 026 6273 and speak to one of our trained advisors.
Installation - Wall Mounted
10