Introduction; Operation; Safe Handling; Optional Extra Kits - Keston System s30 Installation And Servicing Instructions

1.1 INTRODUCTION

The Keston System S boiler is wall mounted, full sequence,
automatic spark ignition, low water content, fanned flue, high
efficiency, condensing, system gas boiler.
Note. Due to the high efficiency of the boiler a plume of water
vapour will form at the flue terminal during operation.
Central heating (CH) output is fully modulating with a range of:
30 6.1 to 30.3kW
The boiler is supplied fully assembled with circulating pump,
pressure gauge, safety valve and CH expansion vessel.
A variable CH temperature control is fitted on the user control.
The boiler includes as standard:
- Boiler frost protection
- Daily pump exercise
- Weather compensation
The boiler casing is of white painted mild steel with a white
polymer front panel.
The boiler temperature control is 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 1.13 - Water & Gas Connection
Diagram.

1.2 OPERATION

When there is a demand for CH, the heating 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.
10
SECTION 1 - GENERAL
C and 80 C.
o o

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.
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 EXTRA KITS

Please visit www.keston.co.uk to access the Flue and Accessories
Guide for this boiler.
Installation and Servicing