Site Location & Preparation; Figure 4.2 Gas Connection Point - Hamworthy MILBORNE381 Series Design Installation, Commissioning And Operating Instructions

4.0 SITE LOCATION AND PREPARATION
4.1 Site Location.
Wall mounting
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The wall must be flat, solid and capable of supporting the weight of the boiler
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The boiler is heavy. Care must be taken when lifting the boiler
Floorstanding
The floor or plinth for the boilers, frame and pipework kit must be both flat and level to
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ensure correct alignment of fittings and connections.
The floor or plinth must be sufficiently strong to support the weight of both the boilers
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and pipework kit where used.
The floor or plinth must be fireproof in accordance with BS 6644.
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The plantroom must have sufficient space for installation of boilers, pipework, pumps
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controls, flues ventilation, access and servicing and other items of plant.
4.2 Gas Supply.
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Gas supply pipes must be in accordance with BS 6891 or IGE/UP/2
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Gas supply connections to the boiler must not be smaller than the connection on the
boiler - G "
3/4
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Gas installation must be soundness tested to BS 6891 or IGE/UP/1 & IGE/UP/1A.
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Gas installation must be purged to BS 6891 or IGE/UP/1 & IGE/UP/1A.
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Inlet gas pressure to boiler measured at the gas valve, nominal 20mbar (minimum
17.5mbar) dynamic - refer to Appendix A
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Boiler house gas isolation valve must be clearly identified and installed close to the
entrance / exit.
Figure 4.2 - Gas Connection Point
HAMWORTHY HEATING LTD
G 3/4"
8
MILBORNE 500001130/J