Daikin Altherma 3 R F Installer's Reference Manual page 56

7 | Piping installation
Installer reference guide
56
89°C
a b c d e
a Outdoor unit
b Indoor unit
c Heat exchanger
d Backup heater
e Motorised 3‑way valve (switch between space heating and domestic hot water)
f Motorised 3‑way valve (mixing the main zone)
g Main pump
h Additional pump
i Shut-off valve
j Collector (field supply)
k Domestic hot water tank
HPC1...3 Heat pump convector (field supply)
FHL1...3 Floor heating loop (field supply)
▪ Drainage – Low points. Provide drain taps at all low points of the system in order
to allow complete drainage of the water circuit.
▪ Drainage – Pressure relief valve. Connect the drain hose properly to the drain to
avoid water dripping out of the unit. See
4
drain" [ 51].
▪ Air vents. Provide air vents at all high points of the system, which must also be
easily accessible for servicing. Two automatic air purges are provided in the
indoor unit. Check that the air purges are NOT tightened too much, so that
automatic release of air in the water circuit is possible.
89°C
75°C
75°C j
k
HPC1 HPC2
f i i
j
M
M
h g i i
FHL1
"6.4.4 To connect the drain hose to the
HPC3
FHL2 FHL3
ERLA03DAV3 + EHFZ03S18DJ3V
Daikin Altherma 3 R F
4P596821-1 – 2019.10