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1.1
INTRODUCTION
The Keston System
S boilers are wall mounted, full
2
sequence, automatic spark ignition, low water content, fanned
flue, high efficiency, condensing, system gas boilers.
Due to the high efficiency of the boiler a plume of water vapour
will form at the terminal during operation.
The boiler is supplied fully assembled with circulating pump,
pressure gauge, PRV and CH expansion vessel.
A variable temperature control is fitted on the user control.
The boiler includes as standard:
-
Boiler Automatic bypass
-
Boiler frost protection
-
Daily pump exercise.
The boiler casing is of white painted mild steel with a white
polymer front panel.
The boiler temperature controls are visibly located in the
control panel on the front of the boiler.
The heat exchanger is manufactured from cast aluminium.
The boiler is suitable for connection to fully pumped,
sealed heating systems ONLY. Adequate arrangements for
completely draining the system by provision of drain cocks
MUST be provided in the installation pipework.
Pipework from the boiler is routed downwards.
Data Plate
The boiler model and serial number can be located on the
bottom of the boiler casing, shown in Section 1.14 - Water &
Gas Connection Diagram.
1.2
OPERATION
When there is a demand the system is supplied at the selected
temperature of between 30
The boiler features a comprehensive diagnostic system which
gives detailed information on the boiler status when operating,
and performance of key components to aid commissioning and
fault finding.
1.3
SAFE HANDLING
This boiler may require 2 or more operatives to move it to its
installation site, remove it from its packaging base and during
movement into its installation location. Manoeuvring the boiler
may include the use of a sack truck and involve lifting, pushing
and pulling.
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Section 1 - General
C and 80
C.
o
o
Caution should be exercised during these operations.
Operatives should be knowledgeable in handling techniques
when performing these tasks and the following precautions
should be considered:
•
Grip the boiler at the base.
•
Be physically capable.
•
Use personal protective equipment as appropriate,
e.g. gloves, safety footwear.
During all manoeuvres and handling actions, every attempt
should be made to ensure the following unless unavoidable
and/or the weight is light.
•
Keep back straight.
•
Avoid twisting at the waist.
•
Avoid upper body/top heavy bending.
•
Always grip with the palm of the hand.
•
Use designated hand holds.
•
Keep load as close to the body as possible.
•
Always use assistance if required.
1.4
OPTIONAL ACCESSORIES
Please visit Keston.com to access the optional accessories for
this boiler.
1.5
SAFETY
Current Gas Safety (installation and use) regulations or
rules in force:
The appliance is suitable only for installation in UK and should
be installed in accordance with the rules in force.
In UK, the installation must be carried out by a Gas Safe
Registered Engineer. It must be carried out in accordance with
the relevant requirements of the:
•
Gas Safety (Installation and Use) Regulations
•
Appropriate Building Regulations, either The Building
Regulations, The Building Regulations (Scotland), Building
Regulations (Northern Ireland).
•
Water Fittings Regulations or Water byelaws in Scotland.
•
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 Registered Gas
Installer (RGII) and installed in accordance with the current
edition of I.S.813 "Domestic Gas Installation", the current
Building Regulations and reference made to the current ETCI
rules for electrical installation.
The Boiler has been tested and certified to:
BSEN 15502-1, BSEN 15502-2, BSEN 15502-2-1,
BSEN 60335-1, BSEN 60335-2-102, BSEN 55014-1 and
BSEN55014-2 for use with Natural Gas & Propane.
Detailed recommendations are contained in the following
British Standard Codes of Practice:
BS5440:1
Flues (for gas appliances of rated input not
exceeding 70 kW).
BS5440:2
Ventilation (for gas appliances of rated input
not exceeding 70 kW).
Installation and Servicing
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