5
2000225231B
1 General Data
Diagram 1.1
All dimensions are given in millimetres
(except as noted)
SIDE ELEVATION
FRONT ELEVATION
J
L
M
C
L
D
N
F
G
G
H
H
FLOW
GRAVITY
RETURN
PUMPED
GRAVITY
RETURN
PUMPED
FLOW
6758
WATER CONNECTIONS
22mm COPPER PIPE
GAS CONNECTIONS
RC
1
/
2
(
1
/
2
in. BSPT)
A
70
B
300
C
63
D
146
E
78
F
360
G
139
H
87
J
700
K
574
L
14
M
60
N
130
P
38
K
B
A
P
C
D
E
;
;
;
;
;
;
;
;
IMPORTANT NOTICE
This boiler is for use on
Natural Gas (G20)
as distributed in the
United Kingdom and Ireland and cannot be used on any other
gas. This boiler must be installed by a
competent person
ONLY.
This boiler can be used on open vented or sealed water
systems.
When used on an open vented system domestic hot water can
be provided by gravity or pumped circulation.
Wherever possible, all materials, appliances and components
used shall comply with the requirements of applicable British
Standards.
Where no British Standard exists, materials and equipment
should be fit for their purpose and of suitable quality and
workmanship.
Refer to Manual Handling Operations, 1992 regulations.
Sheet Metal Parts
WARNING:
When installing or servicing this boiler care should
be taken when handling sheet metal parts, to avoid any possibility
of personal injury.
1.1 Statutory Requirements
In GB the installation of the boiler must be carried out by a
competent person
as described in the following regulations:
The manufacturer’s instructions supplied.
The Gas Safety (Installation and Use) Regulations.
The appropriate Buildings Regulations either The Building
Regulations, The Building Regulations (Scotland),The Building
Regulations (Northern Ireland).
The Water Fittings Regulations or Water byelaws in Scotland.
The Health and Safety at Work Act, Control of Substances
Hazardous to Health (COSHH).
The Current I.E.E. Wiring Regulations.
Where no specific instructions are given, reference should be
made to the relevant British Standard Code of Practice.
In IE, the installation must be carried out by a
competent
person
and installed in accordance with the current edition of
I.S.813 "Domestic Gas Installations", the current Building
Regulations and reference should be made to the current ETCI
rules for Electrical Installation.
In GB the following Codes of Practice apply:
BS4814, BS6798, BS5440 Part 1 and 2, BS5546 Part 1,
BS5449, BS6891, BS6700, BS7074 Part 1 and 2, BS7593,
BS7671.
In IE: I.S.813, BS5546, BS 5449, BS 7074, BS 7593.
Manufacturer’s instructions must not be taken as overriding
statutory requirements.
1.2 Data
See Table 1 and diagram 1.1
All dimensions are given in millimetres (except as noted).
The Seasonal Efficiency Domestic Boilers UK (SEDBUK)
is 78.7%.
The value is used in the UK Government’s Standard Assessment
Procedure (SAP) for energy rating of dwellings. The test data
from which it has been calculated have been certified by B.S.I.
1.3 Range Rating
This boiler is range rated and may be adjusted to suit individual
system requirements.
See diagram 1.2 for the ratings and settings.
