7 water connections, vented, 1 cold water side, 2 hot water side – A.O. Smith BFC - 28 User Manual
Page 26: 3 circulation pipe, 4 condensation drainage, 8 gas connection, Water connections, vented 3.7.1, Cold water side, Hot water side, Circulation pipe
Installation
26
Instruction Manual BFC
3
is
3.7
Water connections,
Vented
3.7.1
Cold water side
See a in
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
3.7.2
Hot water side
See b in
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
Circulation pipe
See c in
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.
3.7.4
Condensation drainage
.
3.8
Gas 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
.
c
Note
Make sure that the diameter and length of the gas supply pipe are large
enough to supply sufficient capacity to the appliance.
See d in
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.