HAMWORTHY HEATING LTD
7
FLEET V series
500001217/D
4.0 SITE LOCATION AND PREPARATION
4.1 Site Location.
• The boiler is heavy. Care must be taken when lifting the boiler
• The floor or plinth for the boilers and pipe work kit must be both flat and level to ensure
correct alignment of fittings and connections.
• The floor or plinth must be sufficiently strong to support the weight of both the boilers
and pipe work kit where used.
• The floor or plinth must be fireproof in accordance with BS 6644.
• The plant room must have sufficient space for installation of boilers, pipe work, pumps
controls, flues ventilation, access and servicing and other items of plant.
4.2 Gas Supply.
• Gas supply pipes must be in accordance with BS 6891 or IGE/UP/2
• Gas supply connections to the boiler must not be smaller than the connection on the
boiler - refer to Figure 4.2 & Appendix 2 for the connection size.
• Gas installation must be soundness tested to BS 6891 or IGE/UP/1 & IGE/UP/1A.
• Gas installation must be purged to BS 6891 or IGE/UP/1 & IGE/UP/1A.
• Inlet gas pressure to boiler measured at the gas valve, nominal 20mbar (minimum
17.5mbar) dynamic - refer to Appendix A
• Boiler house gas isolation valve must be clearly identified and installed close to the
entrance / exit.
Figure 4.2 - Gas Connection Point
Gas connection
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