4.8
Timing The Gas Meter
4.9
Handing Over To The User
5
FAULT FINDING
5.1
Electrical Control Sequence
5.2
Fault Finding Flow Chart
5.3
Continuity Checking
5.4
Functional Flow Wiring Diagram
5.5
Electrical Wiring Diagram
5.6
Illustrated Wiring Diagram
5.7
Exploded Assembly Diagrams
6
SERVICING
6.1
Pre Service Checks
6.2
Recommended Routine Service
7
REPLACEMENT OF PARTS
7.1
General
7.2
Precautions
7.3
Access
7.4
Electrical
7.5
Gas Orifice
7.6
Spark Ignition/Flame Detection Electrode
7.7
Burner Head & Burner
7.8
Heat Exchanger
7.9
Air Screen
7.10
Condensate Trap
7.11
Pressure Gauge
7.12
Sight Glass
7.13
HT Ignition Lead
7.14
Air Vent
7.15
Air Orifice
8
SPARE PARTS LISTINGS
BENCHMARK INITIATIVE
As part of the industry wide “Benchmark” Initiative all Keston 170 boilers now include a Benchmark
Installation, Commissioning and Service Record Log Book. Please read this carefully and complete all
sections relevant to the appliance installation. The details of the Log Book will be required in the event
of and warranty work being required. There is also a section to be completed after each regular
service visit. The completed Log Book should be left with the customer.
CORGI CONTACT INFORMATION
The boiler should be installed and serviced only by CORGI registered operatives. All CORGI
registered Installers carry a CORGI ID cad, and have a registration number.
Both should be
recorded in the Benchmark Log Book.
You can call CORGI direct on 01256 372300.
WD51/2/1997
The Keston 170 Condensing Boiler
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