2.DEFINITION OF SYMBOLS
SYMBOL DEFINITION SYMBOL DEFINITION
Domestic Hot Water
Ø
Diameter
Gas Supply
LPG
Liquid Petroleum Gas
Parameter Adjustment
DHW
Domestic Hot Water
Reset
NTC
Negative Temperature
Coefficient (sensor)
Winter Mode
RCD
Residual Current Device
Summer Mode
ECV
Emergency Control
Valve
Solar Panel Mode
SEDBUK
Seasonal Efficiency of
Domestic Boilers in the
United Kingdom
ECO Mode
Comfort Mode
Table 1. Definition of Symbols and Abbreviation
SYMBOL DEFINITION
Indicates that the situation that can only be interfered by gas safe
engineer.
Explanation containing information that should be considered by the
user.
CAUTION: It means that you may suffer from material damage or slight
personal injury.
DANGER: It means that you may suffer from sever personal injury.
Table 2. Definition of Symbols