Standards - Worcester GREENSPRING CWi47 Installation And Operating Instructions Manual

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STANDARDS

BRITISH STANDARDS:
Where no specific instruction is given, reference should
be made to the relevant British Standard codes of
Practice.
BS7074:1 Code of practice for domestic and hot water
supply
BS6891 Installation of low pressure gas pipe work up to
28mm (R1)
BS5546 Installation of gas hot water supplies for
domestic purposes
EN12828 Central heating for domestic premises
BS5440:1 Flues and ventilation for gas appliances of
rated heating not exceeding 70kW (net):
Flues
BS5440:2 Flues and ventilation for gas appliances of
rated heating not exceeding 70 kW (net) : Air
Supply
BS6798 Installation of gas fired boilers of rated input up
to 70kW (net)
BS EN 13076:2003 Devices to prevent pollution by
backflow of potable water. Unrestricted air gap.
Family A. Type A
BS EN 13077:2008 Devices to prevent pollution by
backflow of potable water. Air gap with non-circular
overflow (unrestricted). Family A. Type B
BS EN 14623:2005 Devices to prevent pollution by
backflow of potable water. Air gaps with minimum
circular overflow (verified by test or measurement).
Family A, type G
BS6283-4:1991 Safety and control devices for use in hot
water systems. Specification for drop-tight pressure
reducing valves of nominal size up to and including DN
50 for supply pressures up to and including 12 bar.
CP342-2: 1974 Code of practice for centralised hot
water supply. Buildings other than individual dwellings.
INSTALLATIONS OF A RATED INPUT GREATER THAN
70 KW:
BS6644 Specification for Installation of gas-fired hot
water boilers of rated inputs between 70 kW (net) and
1.8 MW (net) (2nd and 3rd family gases).
BSEN15417:2006 Gas-fired central heating boilers.
specific requirements for condensing boilers with a
nominal heat input greater than 70 kW but not exceeding
1000 kW.
BSEN15420 Gas-fired central heating boilers. Type C
boilers of nominal heat input exceeding 70 kW, but not
exceeding 1000 kW.
IGE/UP/2 Gas installation pipework and compressors on
industrial and commercial premises.
IGE/UP/10 Installation of gas appliances in industrial
and commercial premises, part 1: flued appliances.
6 720 646 322 (2012/05)
IRISH STANDARDS
The relevant Irish standards should be followed,
including:
• ECTI National rules for electrical installations
• IS 813:2002 for Domestic Gas Installations.
• IS 820:2000 for Non-Domestic Gas Installations.
LPG INSTALLATIONS
An appliance using L.P.G. must not be installed a room
or internal space below ground level unless one side of
the building is open to the ground.
BS5482 Code of practice for domestic butane and
propane gas burning installations. Installations at
permanent dwellings, residential park homes and
commercial premises, with installation pipework sizes
not exceeding DN 25 for steel and DN 28 for corrugated
stainless steel or copper.
TIMBER FRAMED BUILDING:
Where the heater is to be fitted to a timber framed
building the guidelines laid down in BS5440: Part 1 and
IGE/UP/7 should be adhered to.
POTABLE WATER:
All seals, joints and compounds (including flux and
solder) and components used as part of the secondary
domestic water system must be approved by WRAS.
STANDARDS
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