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Contents
1. Installation Regulations ...........................................Page 2
2. General Information .................................................Page 2
3. Technical Data...........................................................Page 3
4. Siting the Appliance .................................................Page 6
5. Removal of the Cabinet............................................Page 6
6. Air Supply..................................................................Page 6
7. Flue System...............................................................Page 9
8. Oil Supply ..................................................................Page 12
1. Installation Regulations
1.1 General installation information and advice may be obtained
from the Oil Firing Technical Association for the Petroleum
Industry (OFTEC). Training courses are also offered by OFTEC,
leading to inclusion on their list of registered engineers.
1.2 The appliance should be installed by a competent person.
The person installing the appliance should be aware of the
Health and Safety at Work Act and take appropriate action to
ensure that the regulations are adhered to. In order to give
optimum efficiency and trouble free operation the appliance
should be commissioned by a qualified engineer. OFTEC
recommends the use of registered engineers for the
commissioning of oil-fired burners.
1.3 The manufacturers notes must not be taken, in any way, as
overriding statutory obligations.
1.4 The compliance with a British Standard does not, of itself,
confer immunity from legal obligations. In particular the
installation of this appliance must be in accordance with the
relevant requirements of the following British Standards and
regulations in respect of the safe installation of equipment.
BS 5410: part 1: Code of practice for Oil Fired Boilers.
BS 799: part 5: Specification for Oil Storage Tanks.
BS 7593: Code of Practice for treatment of water in domestic hot
water central heating systems.
BS 5449: part 1: Specification for forced circulation hot water
central heating for domestic premises.
BS 5955: part 8: Specification for the installation of
thermoplastic pipes and associated fittings for use in domestic
hot and cold water services and heating systems.
BS 7291: Thermoplastic pipes and associated fittings for hot and
cold water for domestic purposes and heating installations in
buildings.
BS 7074: part 1: Application, selection and installation of
expansion vessels and ancillary equipment for sealed water
systems.
BS 7671: IEE Wiring Regulations, current edition.
The Building Regulations Part J and L1 England and Wales; Part F
and Part J Section III Scotland; Part L and Part F Northern Ireland.
Local water company bye-laws.
The Control of Pollution (Oil) Regulations.
1.5 To ensure that the installation will perform to the highest
standards, the system and components should conform to those
mentioned in the instructions.
9. Heating and Hot Water System...............................Page 16
10. Electrical ....................................................................Page 16
11. Installation ................................................................Page 18
12. Commissioning the Appliance ................................Page 19
13. Instructions to the User ...........................................Page 23
14. Routine Cleaning and Inspection............................Page 23
15. Short Parts List..........................................................Page 26
16. Fault Finding .............................................................Page 27
2. General Information
The Benchmark initiative is the new code of practice to
encourage the correct installation, commissioning and servicing
of domestic central heating boilers and system equipment.
The 'Log-book' is a vital document that must be completed
by the installer at the time of installation. It confirms that the
boiler has been installed and commissioned according to the
manufacturers instructions.
Without the completion of the Log-book, manufacturers may refuse
to respond to a call-out from a householder, who will be advised
that he or she must call back the installer, who has not fulfilled his
obligations to record the information required by the initiative.
It is important that:
The services and the system are properly flushed as specified.
The User is clearly instructed on the correct operation of the
appliance.
The benefits of regular servicing are explained - to maintain the
efficiency and extend the life of the appliance.
2.1 These instructions cover both conventional flue (CF)/low-level
discharge (LLD) and room sealed balanced flue (RS) appliances.
2.2 The Worcester Danesmoor range of appliances covered in these
instructions has been designed to serve domestic central heating
and hot water requirements ranging from 12kW to 70kW on
conventional flue models and 12kW to 32kW on room-sealed
models. The range may be used on sealed or open vent primary systems.
2.3 The RS balanced flue appliance forms a fully room sealed
system by surrounding the burner with a unique, fully sealed, push
fit box. This causes the combustion air to be drawn through a
factory sealed air duct formed at the rear and underside of the
boiler. The sealed burner cover gives excellent acoustic noise
reduction and alleviates the need for an air brick to be located in
the boiler room.
Because the balanced flue system does not rely on the cabinet
panels to form the room seal, combustion readings can be taken
from the flue outlet plate as on a conventional appliance, and the
cabinet panels can be easily removed during installation thereby
preventing any damage.
2.4 The boiler is factory set to the mid-range output and can be
altered, if necessary, by adjusting the burner as specified in Tables
2 to 8. The low level discharge and room sealed 12/14, 15/19,
20/25 and 26/32 models are only suitable for use with 28 second
Kerosene heating oil.
2.5 The appliances may be converted to burn 35 second Gas Oil by
changing the nozzle and burner settings as specified in Tables 3,4,5,7
and 8.
NOTE: It is a mandatory requirement of the building regulations that
only 28 second kerosene is used on low level discharge flues.
2
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