Daikin Altherma 3 R F Installer's Reference Manual page 72

7 | Piping installation
Installer reference guide
72
NOTICE
This unit is designed for operation on 2 temperature zones:
▪
underfloor heating in the main zone, this is the zone with the lowest water
temperature,
▪
radiators in the additional zone, this is the zone with the highest water
temperature.
1 Install the shut-off valves on the space heating water pipes.
2 Screw the indoor unit nuts on the shut-off valve.
3 Connect the domestic hot water in and out pipes to the indoor unit.
c d a b
f e
a Space heating additional zone water out
b Space heating additional zone water in
c Domestic hot water out
d Domestic cold water in (cold water supply)
e Space heating main zone water out
f Space heating main zone water in
NOTICE
It is recommended to install shut-off valves to domestic cold water in and domestic
hot water out connections. These shut-off valves are field supplied.
NOTICE
To avoid damage to the surroundings in case of water leakage, it is recommended to
close the domestic cold water inlet shut‑off valves during periods of absence.
NOTICE
Overpressure bypass valve (delivered as accessory). We recommend to install the
overpressure bypass valve in the space heating water circuit.
Mind the minimum flow rate when adjusting the overpressure bypass valve setting.
See "7.2.3 To check the water volume and flow
minimum flow rate" [
rate" [
4
143].
4
57] and "10.4.1 To check the
ERLA03DAV3 + EHFZ03S18DJ3V
Daikin Altherma 3 R F
4P596821-1 – 2019.10