Baxi Potterton LPG Service Manual download pdf (Page 15)

7.0 Site Requirements

7.3 Ventilation of Compartments

1. Where the appliance is installed in a cupboard or

compartment, no air vents are required.

2. BS 5440: Part 2 refers to room sealed appliances

installed in compartments. The appliance will run sufficiently

cool without ventilation.

7.4 Gas Supply

1. The gas installation should be in accordance with the

relevant standards. In GB this is BS 5482-1. In IE this is the

current edition of I.S. 813 “Domestic Gas Installations”.

2. The connection to the appliance is a 22mm copper tail

located at the rear of the gas service cock (Fig. 7).

3. Ensure that the pipework from the meter to the

appliance is of adequate size, and the demands of any

other gas appliances in the property are taken into

consideration. Do not use pipes of a smaller diameter than

the boiler gas connection (22mm).

7.5 Electrical Supply

1. External wiring must be correctly earthed, polarised and

in accordance with relevant regulations/rules. In GB this is

the current I.E.E. Wiring Regulations. In IE reference should

be made to the current edition of ETCI rules.

2. The mains supply is 230V ~ 50H

fused at 3A.

NOTE: The method of connection to the electricity

supply must facilitate complete electrical isolation of

the appliance.

Connection may be via a fused double-pole isolator

with a contact separation of at least 3mm in all poles

and servicing the boiler and system controls only.

3. When the system includes an indirect domestic hot

water cylinder it is recommended that a cylinder

thermostat is used in conjunction with a 3 port 2 position

valve or 2 port zone valve.

7.6 Bath & Shower Rooms

1. If the boiler is fitted in a room containing a bath or

shower and NOT FITTED with any optional integral timer

or thermostat, it can be fitted in zone 2, (Figs. A & B shows

zone dimensions for a bathtub. For other examples refer to

Section 601 of the Current I.E.E. Wiring Regulations)

reference must be made to the relevant requirements.

In GB this is the current I.E.E. Wiring Regulations and

Building Regulations.

In IE reference should be made to the current edition of I.S.

813 “Domestic Gas Installations” and the current ETCI

rules.

Fig. 7

Gas Service Cock

Zone 2

Zone 1

Zone 0

Zone 2

Zone 3

Zone 2

Window

Recess

Window

Recess

0.6 m

2.4 m

Ceiling

Outside

Zones

Outside Zones

Zone 3

Zone 2

Zone 1

Zone 0

2.25 m

Zone 2

Window

Recess

3.0 m

2.4 m

0.6 m

Fig. A

Fig. B

In GB Only

1 2 ... 10 11 12 13 14 15 16 17 18 19 20 ... 55 56

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Baxi Potterton LPG Service Manual Page 15

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