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221834B
1 General
Important Notice
This boiler is for use only on G20 gas, but may be converted for
use on G31 gas (L.P.G.) with an available conversion kit.
Energysaver 40, Kit No. 444708
The boiler is delivered in one pack.
Wherever possible, all materials and components to be 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.
This boiler must have fully pumped circuits, but is suitable for
use with open vented or sealed water systems.
This boiler is not suitable for outdoor locations.
1.1 Sheet Metal Parts
WARNING. When installing or servicing the boiler care should
be taken when handling sheet metal parts to avoid any possibility
of personal injury.
1.2 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 Bylaws, The
Health and Safety at Work Act, Control of Substances Hazardous
to Health, The Electricity at Work Regulations and any applicable
local regulations.
Detailed recommendations are contained in the current issue of
the following British Standards and Codes of Practice, BS4814,
0156M
WATER CONNECTIONS
CONDENSATE DRAIN
GAS CONNECTION
460
50
360
Ensure flue slopes 2
˚
down
towards the boiler
i.e. 35mm fall per metre
of flue length (2
˚
)
124
42
300
70
32
FLUE
TERMINAL
DETAIL
102
63
65
119
640
25
710
32
DRAIN
CONNECTION
CAPPED OFF
Diagram 1.1
BS5440 Part 1 and 2, BS5449, BS5546, BS6700, BS6798,
BS6891 and BS7074 Part 1 and 2, BS7478, BS7593, BS7671.
We also suggest that you have to hand a copy of the British Gas
publication, “Guidance Notes for the Installation of Domestic
Condensing Boilers”.
Manufacturer’s notes must not be taken as overriding statutory
obligations.
BSI Certification
This boiler certificated to the current issue of P.A.S. 010 for
performance and safety.
It is important that no alteration is made to the boiler, without
permission, in writing, from Hepworth Heating Ltd.
Any alteration that is not approved by Hepworth Heating Ltd.,
could invalidate the warranty and could also infringe the current
issue of the Statutory Requirements.
1.3 Range Rating
The boiler is range rated and is factory preset to maximum, but
may be adjusted to suit individual system requirements, refer to
Table 2.
1.4 General Data
The data label is positioned on the inner case, visible when the
outer case is removed.
All dimensions on diagrams are given in millimetres (except as
noted).
The Seasonal Efficiency Domestic Boilers UK (SEDBUK) is
86.7%.
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.