Ariston UNO Instrukcja instalacji - Strona 7

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2.7

ONNECTION

2.8

ATER

ONNECTIONS

. 2.4

marked "L".

Note: The diagrams for the electrical system are indicated in section 2.11.

Warning, this appliance must be earthed.

External wiring to the appliance must be carried out by a qualified technician

and be in accordance with the current I.E.E. Regulations and applicable

local regulations. The UNO range of boilers are supplied for connection to a

230 V

50 Hz supply.

The supply must be fused at 3 A.

The method of connection to the electricity supply must facilitate complete

electrical isolation of the appliance, by the use of a fused double pole

isolator having a contact separation of at least 3 mm in all poles or

alternatively, by means of a 3 A fused three pin plug and unswitched

shuttered socket outlet both complying with BS 1363.

The point of connection to the Electricity supply must be readily accessible

and adjacent to the appliance unless the appliance is installed in a bathroom

when this must be sited outside the bathroom.

The local gas region contractor connects the gas meter to the service pipe.

If the gas supply for the boiler serves other appliances ensure that an

adequate supply is available both to the boiler and the other appliances

when they are in use at the same time.

Pipe work must be of an adequate size. Pipes of a smaller size than the

boiler inlet connection should not be used.

EGEND

A = Central Heating Flow

B = Domestic Hot Water Outlet

C = Gas Inlet

D = Domestic Cold Water Inlet

E = Central Heating Return

F = Safety Valve

G = Boiler drain valve

ENTRAL

Detailed recommendations are given in BS 6798:1987 and BS 5449-1:1990,

the following notes are given for general guidance.

IPE

ORK

Copper tubing to BS EN 1057:1996 is recommended for water pipes.

IEW OF THE

. 2.3

EATING

OILER

ONNECTIONS