Piping Diagram: Indoor Unit - Daikin EPRA16DAW1 Installer's Reference Manual

15.3 Piping diagram: Indoor unit

a
b
A Indoor unit
B Field installed
a Space heating water OUT
b Water IN connection
c Pump
d Expansion vessel
e Shut-off valve, male-female 1"
f Magnetic filter/dirt separator
g Safety valve
h Air purge
i Drain valve
j Backup heater
k Loose nut 1"
B1L Flow sensor
B1PW Space heating water pressure sensor
R1T Thermistor (water IN)
R2T Thermistor (backup heater – water OUT)
S1L Flow switch
Screw connection
Flare connection
Quick coupling
Brazed connection
EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W
Daikin Altherma 3 H HT W
4P587501-1A – 2020.01
A
B
R2T
e
k
i
B
R1T
e k
h
c
j
d
g
h
f
i
15 Technical data
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S1L B1PW
B1L
3D120613A
Installer reference guide
239