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Les langues disponibles
Les langues disponibles
Symbol
T1, T2, T3,...T9
TR1, TR2
TA
TQ
TD
SyMBoLS FoR PRoTECTIoN FUNCTIoNS
Symbol
Description
Heat pump.
Electric heater.
Electric heater for d. h. w.
Boiler switchover, d. h. w. switchover
Output operation according to program timer.
Temperature measured by sensors T1, T2, T3, T4, T5, T6, T7, T8 or
T9.
Temperature measured by a room sensor or room unit DD2+.
Outdoor temperature, obtained through the bus connection.
Heat source temperature, obtained through the bus connection.
Calculated requested temperature for direct circuit.
D. h. w. warming is switched off due to priority of direct heating
circuit.
Heating circuit is switched off or has limited temperature due to priori-
ty of d .h. w. warming.
Circulation pump in direct heating circuit is switched off in scope of
ED control.
Limitation of stand-pipe temperature due to exceeded maximum floor
temperature.
Limitation of stand-pipe temperature due to exceeded maximum
temperature difference between stand and return-pipe i.e. exceeded
maximum power of heating circuit.
Limitation of stand-pipe temperature due to unsurpassed minimum
boiler temperature.
Rise of stand-pipe temperature due to the exceeded protection tem-
perature of heat source.
Limitation of stand-pipe temperature due to the unsurpassed heat
source return-pipe temperature.
Counter of total operating hours and fuel consumption for burner on
1st stage.
Counter of total operating hours and fuel consumption for burner on
2nd stage.
Description
Liquid fuel boiler overheating protection.
Solid fuel boiler overheating protection.
Solar collectors overheating protection.
17
User manual
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