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Important Health and Safety Information for Installers and Service Engineers

Health and Safety at Work Act 1974
Consumer Protection Act 1987
COSHH Regulations 1988
The following information is given as a requirement of the
above legislation.
Great care is taken by GAH (HEATING PRODUCTS) LIMITED
to ensure that Electrastream systems are designed and
manufactured to meet general safety requirements when
properly used and installed as recommended in this manual.
It is the responsibility of Users and Engineers to ensure that
adequate protective clothing and glasses are worn when
working with the Electrastream system.

SEALS AND INSULATION

SEALS AND INSULATION
Insulation and sealing materials are used in the construction
of the Electrastream cylinders. Units are sealed and when
used in the manner for which they are intended the insulating
and sealing materials do not present any known hazard.
However always observe the following recommendations:-
1. Avoid inhalation of fibres or dust, wear face mask.
2. Avoid eye contamination by fibres or dust - wear eye
protection.
3. As far as possible avoid any skin contact with Fibreglass
Insulation, Glass Rope, Mineral Wool, Insulation Pads and
Ceramic Fibre.

PPPPPatent application 01514800.2

atent application 01514800.2

2010 GAH (HEATING PRODUCTS) L

2010 GAH (HEATING PRODUCTS) LTD.

TD.

Electrastr

Electrastream is a T

eam is a T

eam is a Trademark of GAH (HEATING PRODUCTS) L

rademark of GAH (HEATING PRODUCTS) L

rademark of GAH (HEATING PRODUCTS) LTD.

TD.

Manual by Harber Technical Services Tel/Fax 01263 515444

E-mail:[email protected] www.harbertech.co.uk

GAH (Heating Pr

GAH (Heating Products) Ltd.

oducts) Ltd.

Building 846
Bentwaters Parks
Rendlesham
Woodbridge
Suffolk IP12 2TW

TTTTTel:

el:

el: 01394 421160

01394 421160

Fax:

Fax: 01394 421170

01394 421170

email: [email protected]
www.gah.co.uk

In pursuance of a policy of constant development, GAH (HEATING PRODUCTS) LIMITED
reserve the right to change Electrastream parts or design without notice, therefore
certain details included in this manual may not be correct at the time of printing. Any
modification and improvements detailed in this manual does not commit GAH to update
any system previously supplied.

Manual Part No. ...................MAN1019
Manual Ref ..........................ES02
Issue ...................................13
Date ....................................25/02/13

GAH (HEATING PRODUCTS) LIMITED will not accept

responsibility for any damage or personal injury caused

by not giving due consideration to the above safety

recommendations.

OTHER MATERIALS

SEALANTS, ADHESIVES AND PAINTS

Sealants, Adhesives and Paints are used in the construction of
the Electrastream components. When used in the manner for
which they are intended they do not present any known hazard.

ELECTRIC

ELECTRIC
The Cylinder Tri-Core Heater, Pump, Thermostats and Contactor
Box all have electrical supply of 230V (enough to endanger
life).
Always isolate before connection, adjustment, servicing and
repair.
When the Tri-Core Heater cover is removed high power live
electrical terminals are exposed.
ISOLATE THE TRI-CORE HEATER BEFORE REMOVING ITS
COVER.
Earth protection - Earth Continuity Conductors must be fitted
and must comply with IEE Wiring Regulations.

HTS REF GAH ELECTRASTREAM 25/02/13

HEAL

HEALTH & SAFETY

TH & SAFETY

22mm SUPPLY

FROM MAINS

15mm TO TUNDISH

PRESSURE RELIEF
VALVE
Set at 6 Bar

22mm SUPPLY TO CYLINDER AND
ELECTRASTREAM ACCUMULATOR

Fig. 4-3b Combination Valve

3.5 Bar PRESSURE

REDUCING VALVE

Fig. 4-3c Expansion Vessel Connection

¾” BSP PORT FOR
EXPANSION VESSEL

IN-LINE STRAINER

GAH offer a range of quality Water
Softeners, for information contact
GAH (HEATING PRODUCTS) LTD.

4-3.4 Hot Water Expansion Vessel

An Expansion Vessel is supplied for the hot water system, this should be fitted to the
combination valve which has a ¾” BSP port provided for this. The expansion vessel
must always be open to the system with NO shut off or isolation valves in the connection
pipe.
Clearance is required on top of the vessel to access the pressure valve.
It is the responsibility of the installer to set the correct pre-charge pressure of the vessel.

INST

INSTALLA

ALLA

ALLATION 4

TION 4

4-3.5 Accumulator (Electrastream Plus only)

The accumulator may be installed at any convenient location within the property,
outhouse, garage, loft or basement. For optimum efficiency this should be fitted furthest
from the incoming mains supply.
The accumulator should be installed vertically.
The floor must give adequate support to the filled accumulator.
Accumulators must have frost protection when they are installed where low temperatures
could be a potential problem - see 1-4.7.
Note that space is required to the top of the vessel to access the pressure valve.
Provision must be made to enable the accumulator to be drained when required.

IMPORTANT The accumulator is supplied at 2 Bar pressure. It is

recommended to set the pressure at 1.5 Bar below the mains pressure
with a minimum of 0.8 Bar - see 5-1.2.

4-3.6 Scale Protection

IMPORTANT All installations should have a scale protection device fitted
and in areas known to have hard water, a water softening device is
strongly recommended. The cylinder is not guaranteed against damage

caused by scale. Higher water temperatures of 65°C and above can
cause excessive scale.

GAH recommend and promote the use of scale prevention devices and water softeners in
areas that are known to have hard water. Installed correctly they prolong the life of
equipment and help prevent limescale formation in the pipework. Water Softeners
provide the advantages of soft water, as well as preventing scale build up on taps and
shower heads.
Water softeners and any mains fed system must be of adequate capacity and should be
installed with suitably sized hoses to prevent any possibility of flow reduction.
The location and position of the Scale Protection Device or Water Softener should be as
the manufacturers recommendations.

Note
As Electrastream Plus is a sealed system,
the pressure at the taps is not affected by
the height of the cold water storage.

44444