A.O. Smith BFM - 100 Water connections, Vented, Cold water side, Recirculation pipe, Drain valve

3

3.6Water connections, Vented

3.6.1

3.6.2

Installation is

Warning

The installation should be carried out by an authorised installation engineer, in compliance with general and local regulations (1.3 "Regulations").

Cold water side

See (A) in the installation diagram (3.5 "Installation diagram").

1.Fit an approved stop valve (4) on the cold water side between the cold water head tank (18) and the appliance, as required by

regulations (1.3 "Regulations").

Recirculation pipe

You can install a top to bottom circulation pump to prevent water stacking in the boiler.

1.Optional: depending on the draw-off pattern, fit a recirculation pipe (Ø 22 mm), a stop valve (11) and a top to bottom circulation pump (7).

2.Fit a non-return valve (5).

3.Fit a stop valve (11).

3.6.3Hot water side

See (B) in the installation diagram (3.5 "Installation diagram").

Note

Insulating long hot water pipes prevents unnecessary energy loss.

1.Fit the T&P valve (3).

2.Optional: fit a temperature gauge (12) so you can check the temperature of the tap water.

3.Fit a stop valve (4) in the hot water outlet pipe, for use when servicing.

4.If a circulation pipe is required, continue further by installing the circulation pipe (3.6.5 "Circulation pipe").

3.6.4Drain valve

1.Fit the standard drain valve (9) supplied with the appliance.

2.If applicable, fit a circulation pipe (3.6.5 "Circulation pipe").

If not, fit the blind threaded plug and gasket (C) supplied with the drain valve, as shown in the figure.

C

IMD-0122 R1

24 Instruction manual BFM