INSTALLATION
page 24
4.16
EXAMPLE OF HYDRAULIC DIAGRAM FOR ASPIROTRONIC LE
WITH DUO-TEC SETTINGS
4.17
EXAMPLE OF HYDRAULIC DIAGRAM FOR ASPIROTRONIC LE
WITH PUFFER – TEC SETTINGS.
4.16.1 OPERATION OF PUMP P WITH PUFFER-TEC SETTINGS
P:
Pump
UT:
Radiators
VE:
Expansion tank
preloaded at 1.5 bar
VA:
Open expansion tank
SP:
Heat exchanger
(e.g: plate-type
exchanger)
E:
Safety tube that
connects the boiler
to the open expansion
tank
S:
Boiler drain
PC:
Plant circulating pump
VI:
On-off valve
VNR:
Nonreturn valve
VST:
Thermal relief valve
VS:
Safety valve
VD:
Deviator valve
P:
Recycling pump
(enabled by the 2 thermocouples)
UT:
Radiators
P1:
Plant circulating pump
VS:
Safety valve
VST:
Thermal relief valve
S:
Boiler drain
VI:
On-off valve
VNR:
Nonreturn valve
E:
Safety tube that connects the
boiler to the open expansion tank
VA:
Open expansion tank
P operates as follows: if the boiler temperature is 7°C above the temperature of the puffer pump P operates.
Vice versa if the temperature of the puffer is 7°C higher than the temperature of the boiler pump P stops.
The functions of the other terminal boards are described on page 15.
