Bristan SM385 W Mounting instructions

Installation
Instructions
and User Guide
Smile Electric Shower
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Models Covered:
SM385 W, SM395 W
Please keep this booklet for future
reference.
Installer, when you have read these
instructions please ensure you leave
them with the user.

2Need help? Give us a call on 0330 026 6273 and speak to one of our trained advisors.
Welcome to your new Bristan Electric Shower.
Featuring a contemporary design with lots of fun features, Bristan’s electric shower
collection has been designed to be enjoyable to fit and to use.
It has also been designed and tested in the UK to all of the relevant British Standards.
These instructions contain all of the necessary installation and operating information,
so please read them thoroughly and keep for future reference.
These instructions are for your guidance to a safe and successful installation which
we recommend is carried out by a suitably qualified person and must conform with
current I.E.E Wiring Regulations (BS7671) and Building Regulations (Part P and Part G).
Note: An Installation Template & Quick-Start Guide are provided separately
with this shower.
Contents
Contents
• Important Safety Information 3-4
• Product Features 5
• Specification 6
• Electrical Requirements 7-8
• Water Requirements 9
• Fixing Your Shower to the Wall 10
• Plumbing Connections 11-13
• Electrical Connections 14-16
• Fixing Your Riser Rail to the Wall 17
• Commissioning - Testing the System 18
• Operating the Shower 19
• Maintenance 20
• Troubleshooting 21
• Guarantee 22
• Spare Parts 23-25
• Notes 26-27

BEAB
(British Electrotechnical
Approvals Board) Approval
of Safety.
3
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• Do not crush or kink the shower
hose, this could damage the hose,
cause leaks and activate the pressure
relief device (PRD).
• Installations subject to regular and
rapid changes in the water supply
pressures should be avoided.
• This appliance must be
permanently connected to the water
mains and not connected by a
hose-set.
• Warning: This appliance
can be used by children
aged from 3 years and above and
persons with reduced physical,
sensory or mental capabilities or
lack of experience and knowledge
if they have been given supervision
or instruction concerning use
of appliance in a safe way and
understand the hazards involved.
• Children shall not play with the
appliance.
• Cleaning and maintenance shall
not be made by children without
supervision.
• Important: The shower unit must
be switched o at the isolating switch
(pull cord) when not in use.
• 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 product safely
you must employ the services of
an experienced qualified plumber/
electrically qualified person.
• Warning: Do not operate
the shower unit if you
suspect it is frozen. Do not site
the shower unit where it might be
subjected to freezing conditions.
• Do not install this shower unit in a
room/environment without adequate
ventilation or an extractor fitted. This
is required to prevent condensation
forming within the unit.
• Do not operate the shower unit
if the showerhead or spray hose has
been damaged or is blocked.
• Do not block the flow of water
from the showerhead, by placing it
(smothering it) on your hand or any
other part of your body or foreign
object.
• Do not operate the shower if the
water stops flowing during use or if
the water is leaking from the shower
unit itself.
If this occurs, turn o at the mains
electrical supply and refer to the
Troubleshooting section (see Page 17)
or contact Bristan Customer Services.
Important Safety Information

• Always switch o the power
at the consumer unit and
isolate the electrical supply
before making any electrical
connections or if you have to
remove the cover of an installed
unit.
• The unit must be mounted on
the finished wall surface (usually
tiled). Under no circumstances
must you tile up to or seal
around the unit as this may
prevent air circulating and
condensation escaping.
• This shower unit must not be
modified* in any way as this will
invalidate the guarantee.
• * Except for top left pipe
entry (see page 12) where the
product has been designed to
be modified by the installer.
• Fit only shower heads
recommended by the
manufacturer. You must not
fit a “water saving” handset
(whereby the flow of water can
be restricted or turned o) to
the shower, otherwise this can
result in scalding and/or unit
failure.
• A suitable double pole
isolation switch for supply
disconnections must be
incorporated in the fixed
wiring circuit, in accordance
with current wiring rules.
See Electrical Installation
section for further details
• The outlet must not be
connected to any tap or fitting
other than those specified
• The spray head must be
descaled regularly
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Important Safety Information

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1. Push Button STOP/ START
Press once to start the shower, press once
again to stop the shower.
2. Power Control
Adjustable power settings:
Cold ( ), Medium (eco ) and High ( ).
3. Temperature Control
Adjustable temperature control.
Temperature Control Device
The Temperature Control Device will activate
when the temperature is set too high and
the water inside the water heater gets
too hot. The Temperature Control Device
will switch o the power to the heating
elements. Once the unit cools down to a
safe temperature the elements will come on
again and reheat the water within the water
heater and the whole cycle will repeat itself
until the temperature is manually reduced.
1
2
3
5
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Product Features

Specification
Plumbing Connections
Inlet connection: 15mm Push fit
Outlet connection: 1/2” BSP male threaded
Water inlet entry points
Left hand side: Top, Bottom, Rear (bottom)
Right hand side: Bottom, Rear (bottom)
Operating Pressures
Minimum working pressure: 0.07 MPa (0.7 bar)
Maximum working pressure: 1.0 MPa (10 bar)
Static pressure range: 0 - 1 .0 MPa (0 - 10 bar)
Supply Requirements
Minimum inlet water temperature: 5°C
Maximum inlet water temperature: 20°C
System Requirements
Suitable for mains cold water pressure only
Electrical cable entry points
Left hand side: Top, Bottom, Rear (bottom)
Right hand side: Bottom, Rear (bottom)
Model SM385 W SM395 W
Declared Load Profile XS XS
Water Heating Energy
Eciency Class A A
Water Heating Energy
Eciency (%) 38.5 38.4
Anual Electricity Consumption
(kWh) 479 481
Sound Power Level (dB) 15 15
Recommended Usage
Domestic Heavy
Commercial
Light Commercial Health Care
Product Fiche
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Specification

Warning: This appliance MUST
be earthed!
The Electrical Installation and Circuit Protection of this
shower must comply with current I.E.E Wiring Regulations
(BS 7671) and Building Regulations (Part P). We
recommend that this product is installed by a qualified
electrician prior to use. The following notes are for
guidance only.
Important: You must switch o the power at the consumer
unit, isolate the electrical circuit and verify the earth before
making any electrical connections.
The shower must only be connected to a 230-240V AC
supply. The electrical rating of your shower is on the pack or
on the rating plate label.
The shower must be connected to its own independent
electrical supply. It must not be connected to a ring main,
spur, power socket,
or lighting circuit.
If you don’t have a spare fuse way or the rating at the main
fuse box is below 80A, you should seek advice from an
electrician and may need a new consumer unit - specifically
for the shower.
A separate and permanently connected cable must be taken
from the consumer unit directly to the shower via a 45 Amp
double pole switch with a minimum contact separation gap
of 3mm in live (L) and neutral (N) poles.
The isolating switch can be a ceiling mounted pull cord
switch within the bathroom or wall mounted in an adjacent
room. The power switch must be easily accessible and
identifiable as the supply to the shower.
Note: Voltage drop in the supply to the premises, due to
heavy local demand, will aect the performance of your
shower. To gain the optimum power possible from this
shower unit try to find the shortest possible route from the
consumer unit to the shower to run your cable.
Rating at 240V Rating at 230V
8.5kW 7.8kW
9.5kW 8.7kW
continued on next page
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Mains electrical
supply
Consumer
unit
Double pole
switch
Shower uni t
Mains wate r
supply
Isolating
valve
30mA RCD
For ampag e of
MCB /Fuse see
Cir cuit P rotection
Table on Page 8
For Cable Capaci t
y
see Cable Curr ent
Carrying Capacity
Table on page 8
7
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Electrical Requirements

It is a requirement that a residual current device
(RCD) formerly known as an earth leakage circuit
breaker (ELCB) with a tripping current of 30mA, is
incorporated in the circuit. This may be part of the
existing consumer unit or a separate unit.
For close circuit protection DO NOT use a rewireable
fuse. Instead use a suitably rated Miniature Circuit
Breaker (MCB) or Cartridge Fuse.
Please refer to the Circuit Protection Table.
Cable Current Carrying Capacity Table
(for Twin and Earth PVC Insulated Cable)
Current Carrying Capacity
In an insulated
wall
In conduit or
trunking
Clipped direct or
buried in a non
insulated wall
6mm²
32A
6mm²
38A
6mm²
46A
10mm²
43A
10mm²
52A
10mm²
63A
Note: Cable selection is dependant on derating factors
On installation of the appliance the impedance
measurement of the Neutral and Earth back to the supply
source is to be less than 1.0 Ohms. This is in line with the
general installation requirements of the UK Network and
will generally present no problem within the UK Network.
In domestic installations you must ensure that the
electrical supply and existing fuse board are adequately
rated.
Do not turn on the electrical supply until the plumbing
has been completed and the shower cover re-fitted.
Circuit Protection Table
Circuit Protection Device
Unit Rating (@
240V)
MCB Cartridge Fuse
8.5kW 40A 45A
9.5kW 40/45A 45A
The current carrying capacity of the cable must be at
least that of the shower Circuit Protection Device.
Please refer to the Cable Current Carrying Capacity Table.
8Need help? Give us a call on 0330 026 6273 and speak to one of our trained advisors.
Electrical Requirements

If the shower is to be installed in a hard water area, we
recommend that an in-line scale inhibitor is fitted which will
prolong the life of the shower. Please refer to your supplier
for advice.
Warning: The shower must not be installed in
an area subject to freezing conditions. Do not use
if you suspect the shower is frozen, this will
damage the shower unit.
The shower must be connected to a mains water supply
only with a minimum working inlet pressure of 0.07MPa
(0.7bar) at a minimum flow rate of 8 litres per minute. The
maximum static inlet pressure must not exceed 1.0MPa
(10bar).
If it is intended to operate the shower at pressures above the
maximum stated, a suitable pressure reducing valve (PRV)
should be used.
Water regulations stipulate that the showerhead be
‘constrained by a fixed or sliding attachment (hose retainer)
so that it can only discharge water at a point not less than
20mm above the spill over level of the bath or shower tray
or other fixed appliance’.
If a showerhead can sit within a bath, basin or shower tray,
you must fit a double check valve in the supply pipe work
to prevent back siphonage. If the showerhead can sit within
a WC then the air gap should be a type AUK3 not less than
20mm or twice the diameter of the inlet pipe to the fitting,
whichever is the greater.
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 Bylaws
2004.
The fitting shall be installed so that its outlet discharges
above the spill-over level of any fixed appliance as indicted
on the illustration below.
For backflow protection in premises or installations up to,
and including Fluid Category 3 and 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.
Double pole
switch
Shower
unit
Shower tra y
spillover level
Bath spillover
level
Hose
retainer
Minimum 20m m
between
showerhead
and spillove r
1m minimum
height from
shower uni t
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Water Requirements

Warning: Please check for any hidden pipes and
cables before drilling holes in the wall.
Remove the 4 cover retaining screws and lift o the cover.
Do not try to remove the control knobs from the cover.
They are an integral part of the cover and must not be
removed.
If you are fitting the unit to a partition wall or a wall of
particularly friable (crumbly) substrate, you will need
appropriate fixings for the wall type.
Select the position for the shower unit over a bath or shower
tray using the installation template provided.
Important: The shower unit must be fitted to a flat,
waterproof surface. Under no circumstances should the
shower unit be attached to a wall and then tiled up to the
edges. The unit must be fixed on top of the wall surface.
Important: Use a spirit level to ensure the template is level.
Mark the 3 fixing points with a suitable pencil through the
paper. Remove the template from the wall and drill the wall
to suit the wall fixings to be used.
Tips:
A piece of insulation or masking tape positioned where
holes are to be drilled and before marking out the exact
position for the fixing holes will help stop the drill bit
from wandering, particularly on a tiled surface.
When working near a basin, bath or shower insert plug
or cover waste to prevent losing small parts.
Take care not to drop tools/equipment into basin, bath
or shower during shower installation.
Note: The unit can be hung temporarily on the top screws
to help with the positioning of the pipe work etc.
* The bottom screw should only be fitted during final
installation.
Important: Under no circumstances should this shower unit
be recessed (it must be fitted onto the finished wall surface)
or tiled up to or sealed around the unit as this may prevent
air circulating and any condensation escaping.
*
LN
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Remove
cover screws
Wall fixing points
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Fixing Your Shower to the Wall