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4.9
Connecting diagrams
4.9.1
Symbols used
Tab.24 Explanation of symbols in the hydraulics flow diagram
Symbol
Explanation
Return pipe
Flow pipe
Mixing valve
Pump
Domestic hot water
Make contact
Outdoor temperature sensor
Sensor
Safety thermostat
Room thermostat
Plate heat exchanger
Safety group
Low-loss header
Instant boiler
Primary heating circuit connection
Solar collector
Domestic hot water storage tank
Titanium anode
Electrical heating element
4 Preparation of installation
28
C 340 / C 640
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