User guide

5
221786B
392
252
168
39
88
803
345
780
679
GAS CONNECTION RC
1
/2
(
1
/2 in. BSPT
)
WATER CONNECTION RC1
(
1in. BSPT
)
544
115
149
23
C
L
C
L
FLUE
INSIDE DIAMETER
OF SOCKET FOR
100mm (4in)
NOMINAL
DIAMETER FLUE
0024M
1 General Data
1 General Notes and Information
This boiler is for use on natural gas G20.
Wherever possible, all materials, appliances 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 is not suitable for use out of doors.
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.
1.1 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, Local Water Company Byelaws, The
Building Standards (Scotland) Regulations (applicable in
Scotland), 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:
BS6798, BS5440 Parts 1 and 2, BS5546 Part 1, BS5449,
BS6891, BS7478, BS7593, BS7671.
Manufacturer’s instructions must not be taken as overriding
statutory requirements.
Diagram 1.1
GENERAL DIMENSIONS (all dimensions in mm)
1.3 Range Rating
The boiler is range rated and may be adjusted to suit the
individual system requirements.
The respective Table 1 gives the ratings and settings.
1.4 BSI Certification
The boiler is certificated to the current issue of BS6332 Part 1,
invoking the current issue of BS5258 Part 1 for performance
and safety. It is, therefore, 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 BSI Certification of the boiler, warranty and
could also infringe the current issue of the Statutory
Requirements.
1.5 Gas Supply
The gas installation shall be in accordance with the current
issue of BS6891.
The supply from the governed meter must be of adequate size
to provide a steady inlet working pressure of 20mbar (8in wg) at
the boiler.
On completion test the gas installation for soundness using the
pressure drop method and suitable leak detection fluid, purge
in accordance with the above Standard.
1.2 Data
Weight: 70.5kg
Water content: 7.5litre
Gas connection: Rc
1
/
2
Water connections: Rc1
Electrical supply: 230V~ 50Hz - fused at 3A
Data label: On right hand side of electrical
control box