BS 5449 Forced circulation hot water central heating systems for domestic premises.
BS 7593 Code of practice for the treatment of water in domestic hot water central heating systems.
BS 7671 (2001)Electrical Wiring Regulations.
BUILDING REGULATIONS.
Part L &England and Wales
Part F Section III Scotland
Part L Northern Ireland
The Control of Pollution (Oil) Regulations
Oil boilers should be installed in accordance with good practice as recommended by OFTEC (
Ref. 2:3
Commissioning
).
Page 10
4:2 THE HEATING SYSTEM
This should be installed in accordance with current good practice as advised by HVCA. It is not the purpose of
the manual, nor is it possible, to adequately deal with the subject in this manual.
When designing and installing the controls of the heating system, it must be remembered that if the control
system is such that the water circulation through the boiler can be totally or substantially reduced whilst the oil
burner can still fire, the water in the boiler will reach very high or boiling temperatures before the boiler
thermostat can sense it and switch off the Burner.
If this condition is likely wire the controls so that the electrical supply to the burner is switched off
simultaneously with the stopping of circulating pumps or the closing motorised valves.
On existing heating systems where a Boiler is replaced, ensure that the system is chemically cleaned.
The system should contain clean water and be free from leaks. Suitable inhibitors against limescale and
corrosion should be added to the system. Refer to BS 7593.
Kettling and system noises can be avoided by suitable pre-treatment (i.e. Chemical Cleaning) at the onset.
This is essential when fitting a new boiler to an existing system.
IS THE HEATING SYSTEM SUITABLE?
Page 14 of 40
Camray 5 External Boilers
14/04/2005
file://D:\PL61000\PL61000.htm
