6
221966B
Diagram 1.1
SIDE ELEVATION
FRONT ELEVATION
B
A
O
C
P
L
C
L
M
F
G
H
PUMPED
FLOW
PUMPED
RETURN
K
0301M
;
;
;
;
;
;
;
;
J
WATER CONNECTIONS
28mm COPPER PIPE
GAS CONNECTIONS
RC
1
/
2
(
1
/
2
in. BSPT)
MODEL
A
B
C
D
E
F
G
H
J
K
L
M
O
100FF,120FF
67
300
58
127
114
450
168
132.5
835
772
63
132
43
P
78.5
D
E
Important Notice
This boiler is for use only on G20 gas.
This boiler can be used on an open vented or sealed water
system.
When used on an open vented system domestic hot water can
only be provided by pumped circulation to the indirect cylinder.
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.
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
The installation of the boiler must be carried out by a competent
person in accordance with the relevant requirements of the
current issue of:-
Manufacturer’s instructions, supplied.
The Gas Safety (Installation and Use) Regulations, The Building
Regulations, The Building Standards (Scotland) Regulations
(applicable in Scotland), Local Water Company Byelaws, The
Health and Safety at Work Act, Control of Substances Hazardous
to Health, The Electricity at Work Regulations and any local
regulations which may apply.
Detailed recommendations are contained in the current issue of
the following British Standards and Codes of Practice:-
BS6798, BS5440 Part 1 and 2, BS5546 Part 1, BS5449,
BS6891, BS6700, BS7478, BS7593, BS7671.
Manufacturer’s instructions must not be taken as overriding
statutory requirements.
1.2 Data
See Table 1
All dimensions are given in millimetres (except as noted).
The Seasonal Efficiency Domestic Boilers UK (SEDBUK) is
Ultimate 100FF = 79, Ultimate 120FF = 78.1.
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 General
