Technical information
AirModule 6 720 813 268(2014/10)
10
4.2.5 General symbol explanation
Symbol Designation Symbol Designation Symbol Designation
Pipework/Wiring
Flow - heating/solar circuit DHW Electric wire
Return - heating/solar circuit Potable water Electric wire disconnected
DHW circulation
Actuators/Valves/Temperature sensors/Pumps
Valve Differential pressure regulator DHW circulation pump
Revision bypass Pressure relief valve Non-return valve
Adjustment valve Safety assembly Temperature sensor/switch
Overcurrent valve 3-way mixing valve
(mixing/distributing)
Overheating protection
(temperature)
Filter valve (particle filter) Thermal DHW mixing valve Outside temperature sensor
Shut-off valve with unintentional
closure control
3-way valve
(change)
Wireless outside temperature
sensor
Valve, motorized 3-way valve (changing, normally
closed to II)
...Radio (wireless)...
Valve, thermal 3-way valve (changing, normally
closed to A)
Shut-off valve, magnetic 4-way valve
Other
Thermometer Funnel with siphon Low loss header with sensor
Pressure gauge Return flow safety module in
accordance with EN1717
Heat exchanger
Fill / drain valve Expansion vessel with shut-off valve
with closure
Flow meter
Water filter Collector Heat meter
Air separator Heating circuit DHW outlet
Automatic air vent valve Underfloor heating circuit Relay
Compensator (devibration) Low loss header Immersion heater
Table 7 Symbols key
M
T
M
M
M
II
III
I
T
M
A
B
AB
M
T
J
000
∏
R
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