British Gas ICC2 combi ZWBR 11-37 ICC2, Installation And Servicing Instructions

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6 720 610 602 GB (03.02)
10
Installation regulations
Condensate analysis, mg/l
Flue system
Elbow - 90 ° Equivalent length 2 m
Bend - 45 ° Equivalent length 1m
Gas supply
Domestic water performance
2 Installation regulations
Gas Safety (Installation & Use) Regulations 1998: All
gas appliances must be installed by a competent per-
son. Failure to install correctly could lead to prosecu-
tion.
The manufacturers notes must not be taken, in any way,
as overriding statutory obligations.
The appliance must be installed in accordance with the
current IEE Wiring Regulations, local Building Regula-
tions, Building Standards (Scotland) (Consolidation),
bye-laws of the local Water Company, Health and
Safety Document 635 (Electricity at Work Regulations
1989) and any other local requirements.
Product Liability regulations indicate that, in certain cir-
cumstances, the installer can be held responsible, not
only for mistakes on his part but also for damage result-
ing from the use of faulty materials. We advise the
installer to avoid any risk by using only quality approved
branded fittings.
The relevant British Standards should be followed i.e.
• BS 6798: Specification for the installation of gas
fired hot water boilers of rated input not exceeding
60kW
• BS 5449: Central Heating for Domestic Premises
• BS 5546: Installation of gas hot water supplies for
domestic purposes
• BS 5440:1: Flues and ventilation for gas appliances
of rated input not exceeding 70 kW (net): Flues
• BS 5440:2: Flues and ventilation for gas appliances
of rated input not exceeding 70 kW (net): Air
Supply
• BS 6891: Installation of low pressure gas pipework
installations up to 28mm (R1).
• BS 7074:1: Code of practice for domestic heating
and hot water supply
• BS 7671: Requirements for Electrical Installation.
These instructions must be followed.
Ammonium 1.2 Nickel 0.15
Lead
≤
0.01 Mercury
≤
0.0001
Cadmium
≤
0.001 Sulphate 1
Chromium
≤
0.005 Zinc
≤
0.015
Halogenated
hydrocarbons
≤
0.002
Tin
≤
0.01
Hydrocarbons 0.015 Vanadium
≤
0.001
Copper 0.028 pH-value 4.8
Table 3
HORIZONTAL 100 mm – Standard
Overall Diameter of Duct mm 100
Max. 4 m
Flue Terminal / Duct
Assembly Length mm 600
Extension Duct Length mm 1000
Table 4
ALTERNATIVE HORIZONTAL 125 mm FLUE SYSTEM
Overall Diameter of Duct mm 125 Max. 13 m
(ZWBR 8-30)
Max. 10 m
(ZWBR 11-37)
including turret
Flue Terminal / Duct
Assembly
mm 1030
Table 5
VERTICAL 125 mm FLUE SYSTEM
Overall Diameter of Duct mm 125 Max. 15 m
(ZWBR 8-30)
Max. 12 m
(ZWBR 11-37)
Flue Terminal / Duct
Assembly
mm 1360
Table 6
Total length of gas supply pipe
(metres) Pipe diameter
(mm)
3 6 9
Gas discharge rate (m
3
/h)
8.7 5.8 4.6 22
18.0 12.0 9.4 28
Table 7
ZWBR
8-30 ZWBR
11-37
Domestic
Water Flow
Rate l/min Tempera-
ture Rise 30 °C 14.6 18.0
Tempera-
ture Rise 35 °C 12.5 15.4
Tempera-
ture Rise 40 °C 11.0 13.5
Maximum Mains pressure bar 10.0 10.0
Minimum Mains pressure bar 0.2 0.2
Table 8