English
15.3 Legend
Shutoff valve
Three-way mixer
Circulating pump
Expansion vessel
Room temperature-controlled valve
Shutoff valve with check valve
Shutoff valve with drainage
Safety valve combination
Heat consumer
Temperature sensor
Flexible connection hose
Check valve
Heat pump
Hydro tower
Immersion heater
17
Heat circulating pump for heating
circuit
Heat circulating pump for heating
E10.1
circuit 2
M13
Auxiliary circulation pump
M15
Hot water loading pump
M16
Mixer for main circuit or heating circuit 3
M21
Mixer for heating circuit 2
M22
Heat pump manager
N1
External wall sensor
R1
Return flow sensor (integral)
R2
Temperature sensor for heating circuit 2
Sensor
for
heating
R5
renewable sensor
R13
Shutoff valve
EN-14
circuit
3
/
452162.66.25-EN · FD 0402
HWK 332HC
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