www.johnsonandstarley.co.uk
5
5mm
200mm
425mm
5mm
2.3 Dimensions and Clearances:
310mm
765mm
Work Surface
Fig. 2-1
Minimum Clearances
It is recommended that where the appliance is located in a kitchen, or next to other combustible materials, a gap of
5mm be left on either side and where the flue run is through a void in kitchen units, similarly a minimum gap of 5mm
should be left. For the purpose of servicing, it is also recommended that the appliance be located with a minimum
gap of 200mm above any surface.
2.4 General Information
Appliance Classification
The appliance is certified as a type C13 C33 C53. As such it can only be installed with the flue components specified
within this document. The flue types are:
•
Horizontal and vertical balanced flue using concentric ducts.
•
Air entry and flue exit in zones of different pressure using twin (separate) flue and air ducts.
Gas Categories:
The appliance is certified as a CAT II 2H 3P appliance. This allows conversion between Natural gas (G20) and LPG
(G31). Their supply pressures are 20 mbar and 37 mbar respectively.
For natural gas to LPG conversion, kit number NG30 (complete with instructions) is available.
For LPG to natural gas conversion, kit number LPG30 (complete with instructions) is available.
Statutory Requirements:
The appliance must be installed in accordance with the current editions of:
•
Building Standards (Scotland)(Consolidation) Regulations.
•
Building Regulations
•
Gas Safety (Installation and Use) Regulations (as amended)
•
BS 7671 Institute of Electrical Engineers (I.E.E) Wiring Regulations
•
BS 6891 Installation of Low Pressure Gas Pipework of up to 28 mm (R1) in domestic premises (2nd family gases).
•
BS 5440 Pt.1 (Flues for Gas Appliances)
•
BS 5440 Pt.2 (Air Supply for Gas Appliances)
•
Model and Local Authority Byelaws
•
BS 5546 Installation of Domestic Hot Water Supplies.
Gas Supply:
The gas installation must be completed in accordance with the relevant standards (BS 6891).
The supply must be capable of providing a steady inlet working pressure to the appliance of 20 mbar at a rate of 2.7
m
3
/h (Calculated with a Gas CV of 38.7MJ/m3)
