Bedienungsanleitung A.O. Smith EQ 280 (Seite 12 von 28) (Englisch)

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2. FOR THE INSTALLER

2.1 Installation instructions

This water heater must be fitted in a

location which will permit the provision

of an approved flue system and

adequate ventilation.

A service clearance of 15 cm at the

sides and rear of the unit and 60 cm at

the front of the unit should be allowed

for ease of servicing. Adequate

distance must be allowed between the

top of the unit and any obstruction or

ceiling to allow the flue baffle and

anode to be inspected, cleaned or in the

case of the anode replaced if

necessary.

The water heater must stand on a

level surface resistant to heat and with

sufficient strength to support the weight

of the unit when full of water.

This water heater must not be

installed in a bath room, bedroom or in a

cupboard opening on to such rooms.

This water heater must not be installed

in any area where flamable materials

are used or stored.

Insufficient ventilation may give rise

to a risk of fire, explosion or

suffocation. If in doubt consult the

national and local regulations governing

the installation of gas appliances or

your local British gas service depart-

ment.

2.1.1 Installation

The installation of this water heater

should be carried out by a suitably

qualified competent person. It is a

criminal offence for unqualified persons

to install gas equipment.

Installation should be carried out in

accordance with all local authority and

building regulations, local water

authority and fire regulations and the

following British standards: 5440, 5546,

6644, 6700, 6798 and 6891.

Some chemicals produce vapours

which can cause rapid failure of

thermocouples, burners and storage

tanks if they are drawn into the

combustion air supply.

Therefore if this water heater will

be used to supply hot water to:

- hairdressers,

- dry cleaners

- industrial degreasing processes

or any other area where

compounds containing halogens are

used and stored, care should be taken

that all primary and secondary air is

drawn from outside atmosphere free of

such contaminents.

For further advise contact A.O.

SMITH.

2.1.2 Water connections

A.O. Smith water heaters are

suitable for connection to vented,

unvented and pumped pressurised

systems. In each case appropriate

valves and fittings should be used to

ensure the system complies with the

requirements of the water by laws, and

appropriate building regulations.

When fitting it is essential the rules

of 'good practice' are applied at all

stages of installation.

Vented systems

If the water heater is to be

connected to a cold feed tank or cistern

the hot water supply pipe must include

an open vent which discharges over

the cold feed cistern. The cold feed

cistern must have an actual capacity of

greater volume than the hourly recovery

rate of the water heater(s) which it

supplies.The minimum actual capacity is

50 gallons or 227 litres.

Unvented

To install an A.O. Smith water

heater on an unvented cold water

supply system a kit of valves and

fittings listed by the water research

centre and complying with part G3 of

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A.O. Smith EQ 280 Seite 12

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