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s Capillary tube
t Pump (main/mixed zone)
u Shut-off valve (recommended)
v Non-return valve (recommended)
w Pressure reducing valve (recommended)
*x Pressure relief valve (max. 10 bar (=1.0 MPa))(mandatory)
*y Tundish (mandatory)
*z Expansion vessel (mandatory)
B2L Flow sensor
B1PW Space heating water pressure sensor
M1S 3-way valve (mixing valve for the main/mixed zone)
M3S 3-way valve (space heating/domestic hot water)
Thermistors:
R1T Outlet water heat exchanger
R2T Outlet water backup heater
R3T Refrigerant liquid side
R4T Inlet water
R5T, R8T Tank
R7T Main/mixed zone – water OUT
Connections:
Screw connection
Flare connection
Quick coupling
Brazed connection
ERLA11~16D + EBVZ16S18+23D
Daikin Altherma 3 R F
4P643604-1B – 2022.05
17
Technical data
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Installer reference guide
269
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