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Installation
26 Instruction Manual BFC
3
is
3.7 Water connections,
Vented
3.7.1 Cold water side
See a in Figure 3.3.
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’.
3.7.2 Hot water side
See b in 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.
3.7.3 Circulation pipe
See c in 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.
3.7.4 Condensation drainage
See paragraph ’3.6.4 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 ’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 d in 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.