GAH electrastream User And Installation Manual page 42

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User and installation instructions manual (41 pages)

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Important Health and Safety Information for Installers and Service Engineers

Worked Example

The example below is for a G½ 6 with a discharge pipe (D2)

Health and Safety at Work Act 1974

having 4 No. 22mm elbows and length of 7m from the tundish

to the point of discharge.

Consumer Protection Act 1987

From Table 1:

COSHH Regulations 1988

Maximum resistance allowed for a straight length of 22mm

The following information is given as a requirement of the

copper discharge pipe (D2) from a G½ temperatur

above legislation.

is: 9.0m

Great care is taken by GAH (HEATING PRODUCTS) LIMITED

Subtract the resistance for 4 No. 22mm elbows at 0.8m each =

to ensure that Electrastream systems are designed and

3.2m

manufactured to meet general safety requirements when

Therefore the maximum permitted length equates to: 5.8m

properly used and installed as recommended in this manual.

which is less than the actual length of 7m therefore calculate the

It is the responsibility of Users and Engineers to ensure that

next largest size.

adequate protective clothing and glasses are worn when

Maximum resistance allowed for a straight length of 28mm

working with the Electrastream system.

copper discharge pipe (D2) from a G½ temperatur

is: 18m

SEALS AND INSULATION

Subtract the resistance for 4 No. 28mm elbows at 1.0m each =

Insulation and sealing materials are used in the construction

of the Electrastream cylinders. Units are sealed and when

4 4 4 4 4

Therefore the maximum permitted length equates to: 14m

used in the manner for which they are intended the insulating

As the actual length is 7m, a 28mm (D2) copper pipe will be

and sealing materials do not present any known hazard.

satisfactory.

However always observe the following recommendations:-

Avoid inhalation of fibres or dust, wear face mask.

Avoid eye contamination by fibres or dust - wear eye

protection.

As far as possible avoid any skin contact with Fibreglass

Insulation, Glass Rope, Mineral Wool, Insulation Pads and

Ceramic Fibre.

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

P P P P P atent application 01514800.2

atent application 01514800.2

2010 GAH (HEATING PRODUCTS) L

2010 GAH (HEATING PRODUCTS) LTD.

2010 GAH (HEATING PRODUCTS) L

Electrastr

Electrastream is a T

eam is a T

eam is a Trademark of GAH (HEATING PRODUCTS) L

eam is a T

rademark of GAH (HEATING PRODUCTS) L

rademark of GAH (HEATING PRODUCTS) LTD.

HTS REF GAH ELECTRASTREAM 25/02/13

Manual by Harber Technical Services Tel/Fax 01263 515444

E-mail:info@harbertech.co.uk

tundish

temperatur

temperature r e r e r e r e relief valve

elief valve

temperatur

temperature r e r e r e r e relief valve

temperatur

elief valve

4-5.4 GAH Expansion Discharge

TPR VALVE

DISCHARGE PIPE D1

TO TUNDISH - 15mm

Supplied and fitted by GAH

TUNDISH

TD.

www.harbertech.co.uk

Fig. 4-5b Typical GAH Expansion Discharge Arrangement

INST

INSTALLA

HEALTH & SAFETY

HEAL

INST

HEAL

3.58 Where a single common discharge pipe serves more than

3.58

one system, it should be at least one pipe size larger than the

OTHER MATERIALS

largest individual discharge pipe (D2) to be connected.

OTHER MATERIALS

3.59

3.59 The discharge pipe should not be connected to a soil

SEALANTS, ADHESIVES AND PAINTS

discharge stack unless it can be demonstrated that the soil

Sealants, Adhesives and Paints are used in the construction of

discharge stack is capable of safely withstanding temperatures

the Electrastream components. When used in the manner for

of the water discharged, in which case, it should:

which they are intended they do not present any known hazard.

contain a mechanical seal, not incorporating a water trap,

which allows water into the branch pipe without allowing

ELECTRIC

foul air from the drain to be ventilated through the tundish

The Cylinder Tri-Core Heater, Pump, Thermostats and Contactor

be a separate branch pipe with no sanitary appliances

Box all have electrical supply of 230V (enough to endanger

connected to it;

life).

if plastic pipes are used as branch pipes carrying

Always isolate before connection, adjustment, servicing and

discharge from a safety device they should be either

repair.

polybutalene (PB) to Class S of BS 7291-2:2006 or cross

When the Tri-Core Heater cover is removed high power live

linked polyethylene (PE-X) to Class S of BS 7291-3:2006;

electrical terminals are exposed.

and

ISOLATE THE TRI-CORE HEATER BEFORE REMOVING ITS

be continuously marked with a warning that no sanitary

COVER.

appliances

appliances should be connected to the pipe.

appliances

Earth protection - Earth Continuity Conductors must be fitted

and must comply with IEE Wiring Regulations.

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.

COMBINATION VALVE

GAH (Heating Pr

oducts) Ltd.

GAH (Heating Pr

GAH (Heating Products) Ltd.

GAH (Heating Pr

oducts) Ltd.

15mm

Building 846

PR VALVE

Bentwaters Parks

Rendlesham

Woodbridge

Suffolk IP12 2TW

T T T T T el: el: el: el: el:

01394 421160

Fax:

Fax: 01394 421170

Fax:

01394 421170

DISCHARGE PIPE D2 - METAL FROM TUNDISH

email: mail@gah.co.uk

To comply with Building Regulations G3 see section 4-5.

www.gah.co.uk

ALLA

ALLATION

ALLA

TH & SAFETY

TION

ALLA

TH & SAFETY

TION

tundish;

tundish

sanitary appliances

sanitary

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