3

3.7Water connections, Vented

3.7.1

Installation

Cold water side

See ain Figure 3.3.

is

1.Fit an approved stop valve i on the cold water side between the water cistern n and the appliance, as required by regulations. Refer also to paragraph ’1.3 Regulations’.

3.7.2Hot water side

See bin Figure 3.3.

n Remark

Insulating long hot water pipes prevents unnecessary energy loss.

1.Fit the T&P valve c.

2.Optional: fit a temperature gauge j to be able to check the temperature of the tap water.

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

4.If a circulation pipe is to be fitted, then refer to paragraph 3.7.3.

3.7.3Circulation pipe

See cin Figure 3.3.

If an immediate flow of hot water is required at draw-off points, a circulation pump can be installed. This improves comfort and reduces water wastage.

1.Fit a circulation pump f of the correct capacity for the length and resistance of the circulation system.

2.Fit a non-return valvee behind the circulation pump to guarantee the direction of circulation.

3.Fit two stop valves d for service purposes.

4.Connect the circulation pipe to the cold water supply pipe.

3.7.4Condensation drainage

See paragraph ’3.6.4 Condensation drainage’.

3.8Gas connection

Warning

Gas installation may only be carried out by an authorised installer in compliance with the general regulations imposed by the gas company. Refer also to paragraph ’1.3 Regulations’.

cNote

Make sure that the diameter and length of the gas supply pipe are large enough to supply sufficient capacity to the appliance.

See din Figure 3.3.

1.Fit a gas valve h in the gas supply pipe.

2.Blow the gas pipe through before use, to be sure it is clean.

3.Close the gas valve.

26

Instruction Manual BFC

Page 26
Image 26
A.O. Smith 28 30 50 60 Water connections, Vented, Gas connection, See paragraph ’3.6.4 Condensation drainage’