Technical data

INSTALLATION

6 720 648 547 (2012/06) 23

4.4 FITTING THE APPLIANCE BOILER CONNECTIONS

GAS AND WATER CONNECTIONS:

• If there is greater than 600mm clearance below the appliance it is

possible to fit the flow and return pipes, supplied, with the boiler

installed on the wall.If clearance is less than 600 mm below the

appliance it may be necessary to fit the flow and return pipes before

hanging the appliance.

▶ System pipes may be run vertically up behind the boiler or below it.

See Plumbing Manifold Section on page 15.

A - Flow (22mm)

B - Return (22mm)

C - Gas inlet (22mm)

1. Remove dummy plugs and fit sealing washers before hanging boiler.

▶ Remove dust caps from connections on boiler.

Fig. 26 Remove dust caps

2. Hang the boiler on to the hanging bracket.The lugs pass through the

rectangular holes in the boiler back panel. Take care not to disturb the

washers on the connections.

Fig. 27 Hang the boiler

3. Lower the control panel into the service position by releasing the

white catch on the retaining bracket.

4. Make connections to the heating system.

▶ Connect the gas supply to the boiler gas cock 22mm compression

fitting.

Fig. 28 Connections

CAUTION: Isolate the mains gas supply before starting

any work and observe all relevant safety precautions.

If pipes require reducing in length this is best done

before they are fitted to the boiler.

The accessibility to the pre-plumbing manifold can be

improved by removing the condensate trap.

▶ Lifting should be performed by 2 people, observing all

precautions for safe lifting of heavy objects.

▶ Do not lift by the top case panel. There are two

handling holes in the inner casing left and right in the

lower section of the appliance.

6720648547-12.1Wo

Handling

hole

Do not lift by the

top case panel

6720648547-11.1Wo

6720648547-16.2Wo

BCA