Elson EHW3 Mode d’emploi
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Please read and understand these instructions before starting work.
Please leave this leaet with the user following installation.
PACK CONTENTS
Heater, xing screws and plugs,
installation and user instructions.
WARNING
This Instantaneous Hand Wash must only
be installed by qualied persons.
36006228 Issue 4.
Elson 3kW Manual Handwash
Installation and User Instructions
Model: EHW3
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INTRODUCTION
Thank you for purchasing an Elson EHW3 Handwash. The handwash instantaneous
water heater is manufactured to the highest standards and has been designed to meet
all the latest relevant safety specications.
This handwash instantaneous water heater must be installed (Sections 3.0-6.0, p.6-
14), commissioned (Section 7.0, p.14) and maintained (Sections 8.0-9.0, p.15-16) by
a competent person. Please read and understand these instructions prior to installing
your handwash instantaneous water heater. Particular attention should be paid to the
section headed SAFETY (Section 2.0, p.3). Following installation and commissioning
the operation of the heater should be explained to the user (Section 7.0, p.14) and
these instructions left with them for future reference.
This appliance can be used by children aged from 8 years and
above and persons with reduced physical sensory or mental
capabilities or lack of experience and knowledge if they have
been given supervison or instruction concerning use of the
appliance in a safe way and understand the hazards involved.
Children shall not play with the appliance. Cleaning and user
maintenance shall not be made by children without supervision.
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TECHNICAL SPECIFICATION
Model number
3.1kW - Handwash - 93 020 001
CONNECTIONS
Inlet connection -15mm ext. diameter (copper or push t stem elbow)
Water entry point - bottom and rear
Cable entry point - bottom and rear
ELECTRICAL
Electrical rating............................................................................ 2.8/3.1kW @ 230/240V
MATERIALS
Backplate, cover and control knob - ABS
Element(s) - Copper sheathed rod type.
DIMENSIONS
Height - 235mm
Width - 151mm
Depth - 85mm
STANDARDS AND APPROVALS
Complies with the requirement of EN 60335-2-35.
Complies with European Community Directives (CE).
Supplier’s name or trade mark Elson
Supplier’s model identier EHW3
The declared load prole XXS
The water heating energy efciency class of the model A
The water heating energy efciency in % 38.6
The annual electricity consumption in kWh 478
Daily fuel consumption Qlec in kWh 2.200
Specic precautions that shall be taken when the water heater is
assembled, installed or maintained and disposed of at end of life
See Section 1
to 10
Table: Technical parameters in accordance with European Commision regulations 814/2013
and 812/2013
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1.1 A pressure relief device (PRD) is designed into the handwash appliance
which complies with European standards. The PRD provides a level of
appliance protection should an excessive build-up of pressure occur within
the appliance.
1.2 DO NOT operate the handwash with a damaged spout or blocked sprayplate
which can cause the PRD to operate.
IMPORTANT INFORMATION
2.1 Products manufactured by Elson are to British and European Standards.
These appliances are safe and without risk, provided they are installed, used
and maintained in good working order in accordance with our instructions
and recommendations.
2.2 Please read and understand these instructions before starting work
and retain them for later use.
2.3 DO NOT operate the appliance if it is frozen or suspected of being
frozen. See fault nding table (p.15).
2.0 SAFETY
1.0 INTERNAL COMPONENTS
Thermal
cut-out
Front
cover
Inner
container
Pressure switch
Flow control valve
anticlockwise
Rating label
Cable clamp
Pressure relief device (PRD)
Spout fixing nut
Outlet spout
Sprayplate
Figure 1 Internal components - 3.1kW
Terminal block
To close: turn
Thermostat
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2.4 DO NOT operate the appliance if:
1. Water ceases to ow during use.
2. Water has entered inside the unit because of an incorrectly tted cover.
3. If the appliance is damaged.
2.5 ISOLATE the electrical and water supplies before removing the cover.
2.6 ISOLATE the electrical and water supplies BEFORE proceeding with
installation or servicing.
2.7 The appliance must be mounted on to a at nished wall surface that
covers the full width and length of the backplate (or on top of the tiles).
2.8 DO NOT tile up to the appliance after xing to the wall.
2.9 The sprayplate must be cleaned when any of its holes become blocked,
otherwise restriction to the ow from the outlet spout will result in higher
temperatures and could also cause the pressure relief device in the appliance to
operate - see 1.1 & 9.2 (p.3 and p.16).
2.10 The product is NOT SUITABLE for mounting into steam rooms or
steam cubicles.
2.11 The installation must be carried out in accordance with the relevant
requirements of:
• The appropriate Building Regulations either The Building Regulations,
The Building Regulations (Scotland) or Building Regulations (Northern
Ireland).
• The Water Fittings Regulations or Water Byelaws in Scotland.
CAUTION
2.12 It is recommended that persons who may have difculty understanding
or operating the controls should not be left unattended whilst washing hands.
Special consideration should be given to young children and persons with
reduced physical, sensory or mental capabilities.
2.13 Only use designated entry points for cable and pipe.
PLUMBING
2.14 The plumbing installation must comply with Water Regulations.
2.15 The supply pipe must be ushed to clear debris before connecting to the
handwash appliance.
2.16 DO NOT solder pipes or ttings within 300mm once the pipework is
located in the appliance as heat transfer can damage components.
2.17 DO NOT t any form of outlet ow control as the outlet acts as a vent for the
heater can.
2.18 DO NOT use excessive force when tting the spout xing nut, nger
tightness is sufcient.
2.19 All plumbing connections must be completed and checked for leaks before
making the electrical connections.
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ELECTRICAL
2.20 Before tting the appliance ensure that the consumer unit and any switches
are suitable for the additional load. If in doubt, contact your electricity
supplier or a qualied electrician.
2.21 The installation must comply with BS 7671 ‘Requirements for electrical
installations’ (IEE Wiring Regulations).
CAUTION
2.22 This appliance must be earthed.
2.23 Fuses do not give personal protection against electric shock. To enhance
electrical safety a 30mA residual current device (RCD) should be
installed in all electric handwash circuits. This may be part of the
consumer unit or a separate unit.
2.24 Ensure that all terminal block connections are sufciently tight.
2.25 Switch off appliance immediately and isolate if water ceases to ow during
use.
2.26 Other electrical equipment e.g. extractor fans, must not be connected to the
handwash or its supply circuit.
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WARNING
3.1 The handwash must not be positioned where it will be subjected to freezing
conditions.
WATER REQUIREMENTS
3.2 The installation must be in accordance with Water Regulations. To ensure
activation of the heating elements, the handwash must be connected to a mains
water supply with a minimum running pressure of 0.1 MPa (1 bar) and a
maximum static pressure of 0.7 MPa (7 bar). If static pressure exceeds
0.7MPa (7 bar) t a pressure reducing valve to avoid damaging the appliance. If
in doubt, the pressure should be checked taking account of other services from
the same water supply which could cause the pressure to fall below the
minimum. The water supply can also be taken from a cold water storage
cistern provided there is a minimum head of 10m above the appliance.
3.3 If the handwash is operated outside of the stated pressure parameters, it may
not be possible to achieve optimum performance from the appliance
throughout the year.
ELECTRICAL REQUIREMENTS
WARNING
3.0 SITE REQUIREMENTS
red
red
Cut
Out
red
black
red
NL
green/yellow
Inner
container
Pressure
switch
Terminal
block
3.1kW
Figure 2 Wiring diagram
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3.4 The appliance must be earthed
IMPORTANT - INSTALLATION TO BE CARRIED OUT BY A
COMPETENT INSTALLER
3.5 The installation supply cable and circuit protection must conform to
BS 7671.
3.6 Before making any sort of electrical connection ensure that no terminal
within the circuit is live. If in any doubt SWITCH OFF the whole installation at
the consumer unit.
3.7 The handwash must only be connected to a 230-240V ac supply.
3.8 The earthing and protective conductor arrangement within the property, in
particular the supplementary bonding in the room containing the handwash,
must comply with BS 7671.
3.9 Ensure that the supply cable and fuse are sufcient for the rated input of your
appliance. Please refer to the rating label within the appliance.
3.10 A minimum heat resistant cable size of 1.5mm² should be used. The
handwash can be connected in two different ways:
1. Via a fused and switched connection unit taken as a spur from a 13amp ring
main.
2. As a separate circuit taken directly from a spare way in a consumer unit.
In each case a double pole isolating switch having a contact
separation of at least 3mm in each pole, and a minimum rating of
13amp must be incorporated in the wiring of the appliance.
Figure 3 Schematic of typical electrical layout
Shower unit
(use rear entry when it is
possible)
800 or 100A main switch
Meter
Meter ‘tails’
Consumer unit
RCD (can be part of the
consumer unit)
Double pole isolating switch:
Pull cord or wall mounted in accordance
with IEE regulations
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3.11 To obtain full advantage of the power provided by the handwash, use the
shortest cable route possible from the consumer unit to the handwash.
3.12 If your consumer unit has a rating below 80A or, if there is no spare fuse way,
then the installation will not be straightforward and may require a new
consumer unit. A qualied electrician should install the new consumer unit. It
may be necessary to contact your electrical supplier to upgrade your supply.
CAUTION
3.13 To enhance electrical safety a 30mA residual current device (RCD) should be
installed in all electric handwash circuits. This may be part of the consumer
unit or a separate unit. DO NOT use a rewireable fuse, instead use a suitably
rated miniature circuit breaker (MCB) or cartridge fuse. The handwash must be
connected to its own independent electrical circuit.
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IMPORTANT - INSTALLATION TO BE CARRIED OUT BY A COMPETENT
INSTALLER
4.1 The appliance must be mounted on a at surface, which covers the full width
and length of the backplate. It is important that the wall surface is at otherwise
difculty may be encountered when tting the cover.
4.2 Ensure that the handwash is positioned over the basin, because if the PRD
operates water will eject from the bottom of the appliance.
4.3 The outlet of the handwash acts as a vent and MUST NOT be connected to
any form of outlet ow control, or any other tting not recommended by Elson.
4.4 DO NOT t the handwash to the wall and tile up to the case. It must be tted on
to a nished at and even wall surface. This allows removal for servicing.
4.5 The control knob is an integral part of the cover - do not attempt to
remove it.
4.0 CONSIDERATIONS BEFORE FITTING
4.6 Position the unit above the
basin so that the spray will be
contained within the basin and at a
convenient height for hand washing
see Figure 4 (opposite).
4.7 A clearance of at least 130mm
above and below the unit should be
allowed for access to the cover
screws.
4.8 Cable entry can be from the rear
(preferred) or from the bottom. The
backplate has cut-out position to
suit size of cable. When opting
for bottom entry make the cut-out to
suit the cable before tting the
backplate to the wall -see Figure 5
(below).
Figure 4 Handwash position over basin (or sink)
200
mm
PRD
Outlet
Typical arrangement
Isolating stop valve
Main water supply
(Use rear entry when
it is possible)
130mm
min
Make cut-out
using sharp
knife
Figure 5 Bottom entry cable cut-out
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