HAMWORTHY HEATING LTD
10
Wessex ModuMax
mk3
Boilers
500001308/C
Figure 4.2 – Gas Connection Point
Gas Connection with inlet pressure test point.
Rp 1” (97 & 116) & Rp 1
-
1/4”
(147/196/254)
4.0 SITE LOCATION AND PREPARATION
4.1 Site Location.
DO NOT LIFT THE BOILER BY THE CASING PANELS!
•
The floor or plinth for the boilers and water manifold 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 manifold kit where used.
•
The floor or plinth must be fireproof in accordance with BS 6644.
•
The plantroom must have sufficient space for installation of boilers, manifold kits,
pipework, 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
-
Rp1” (97 & 116) & Rp1
1/4
” (147/196/254)
•
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.
•
Boiler inlet gas pressure; nominal 20mbar (minimum 17.5mbar) for Natural Gas or
nominal 37
-
50mbar (minimum 30mbar) for LPG dynamic at the connection to the boiler.
•
Boiler house gas isolation valve must be clearly identified and installed close to the
entrance / exit.
