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Installation regulations
Condensate analysis, mg/l
Ammonium
1.2 Nickel
≤ 0.01 Mercury
Lead
≤ 0.001 Sulphate
Cadmium
≤ 0.005 Zinc
Chromium
Halogenated
≤ 0.002
hydrocarbons
Hydrocarbons
0.015 Vanadium
Copper
0.028 pH-value
Table 3
Flue system
HORIZONTAL 100 mm – Standard
Overall Diameter of Duct
Flue Terminal / Duct
Assembly Length
Extension Duct Length
Table 4
VERTICAL 100 mm – Standard
Overall Diameter of Duct
Flue Terminal / Duct
Assembly
Extension Duct Assembly
Table 5
ALTERNATIVE HORIZONTAL 125 mm FLUE
SYSTEM
Overall Diameter of Duct
Flue Terminal / Duct Assembly
Extension Duct Length
Table 6
VERTICAL 125 mm FLUE SYSTEM
Overall Diameter of Duct
Flue Terminal / Duct Assembly
Extension Duct Length
Table 7
Elbow - 90 ° Equivalent length 2 m
Bend - 45 ° Equivalent length 1m
10
0.15
≤ 0.0001
1
≤ 0.015
≤ 0.01
Tin
≤ 0.001
4.8
mm
100
Max.
mm
600
4 m
mm
1000
mm
100
Max.
6.4 m
(incl.
mm
600
flue
assem-
bly)
mm
1000
mm
125
Max.
13 m
mm
1030
(inclu-
ding
turret)
mm
1000
mm
125
Max.
mm
1360
15 m
mm
1000
Gas supply
Total length of gas supply pipe
(metres)
3
6
3
Gas discharge rate (m
/h)
8.7
5.8
18.0
12.0
Table 8
2
Installation regulations
Gas Safety (Installation & Use) Regulations: All gas
appliances must be installed by a competent person.
Failure to install correctly could lead to prosecution.
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 6700: Domestic water supply (when relevant)
• BS 7671: Requirements for Electrical Installation.
These instructions must be followed.
Pipe diameter
(mm)
9
4.6
22
9.4
28
6 720 611 137 GB (03.02)
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