2 About this manual
2.1
General
This manual is intended for the installer of a Baxi Combi boiler.
2.2
Additional documentation
These Installation & Service Instructions must be read in conjunction with
the Flue Accessories Fitting Guide supplied in the Literature Pack.
Various timers, external controls, etc. are available as optional extras. Full
details are contained in the relevant sales literature.
2.3
Symbols used
2.3.1
Symbols used in the manual
This manual uses various danger levels to draw attention to special
instructions. We do this to improve user safety, to prevent problems and to
guarantee correct operation of the appliance.
Danger
Risk of dangerous situations that may result in serious personal
injury.
Danger of electric shock
Risk of electric shock.
Warning
Risk of dangerous situations that may result in minor personal
injury.
Caution
Risk of material damage.
Important
Please note: important information.
See
Reference to other manuals or pages in this manual.
2.4
Abbreviations/Glossary
BS
British Standard
CH
Central heating
DHW
Domestic hot water
GB
Great Britain
Hi
Lower heating value (LHV)
Hs
Higher heating value (HHV)
IE
Ireland
PCU
PCB for managing burner operation
Pn
Nominal output
Pnc
Condensing output
PWM
Pulse wide modulation
Qn
Nominal input
SU
Safety PCB
2 About this manual
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