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Hazard definitions and abbreviations
Hazard definitions
DANGER:
Indicates the presence of hazards that will cause
severe personal injury, death or substantial
property damage.
WARNING:
Indicates the presence of hazards that can
cause severe personal injury, death or
substantial property damage.
CAUTION:
Indicates presence of hazards that will or cause
minor personal injury or property damage.
NOTICE:
Indicates special instructions on installation,
operation or maintenance that are important but
not related to personal injury or property
damage.
Abbreviations
AB
= Automatic Bypass
AV
= Air Vent
BCT
= Buderus cylinder thermostat
BDV
= Buderus diverter valve
CB
= Connector Block
CH
= Central Heating
CHF
= Central Heating Flow
CHR
= Central Heating Return
CT
= Cylinder Thermostat
CWDO = Condensate water drainage outlet
DV
= Diverter Valve
E
= Earth
L
= Live
LSV
= Lock Shield Valve
MCW = Mains Cold Water
N
= Neutal
JB
= Junction Box / RTH Converter
PL
= Permanent Live
Prog
= Programmer
PRV
= Pressure relief valve (safety valve)
RT
= Room Thermostat
RV
= ModuLink 250 RF Receiver
T
= Timer
TRV
= Thermostatic Radiator Valve
WC
= Wiring Centre
ZV
= Two Port Zone Valve
Buderus • http://www.buderus-domestic.co.uk
6
Subject to modifications resulting from technical improvements!
Installation and maintenance instructions Buderus 500 - 24/S • 08/2006
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