Daikin ETBH16E9W Installer's Reference Manual page 94

8 | Piping installation
Installer reference guide
94
b a
a Water IN (screw connection, 1")
b Space heating water OUT (screw connection, 1")
NOTICE
Differential pressure bypass valve (delivered as accessory). We recommend to
install the differential pressure bypass valve in the space heating water circuit.
▪
Mind the minimum water volume when choosing the installation location of the
differential pressure bypass valve (at the indoor unit, or at the collector). See
"8.1.3 To check the water volume and flow
▪
Mind the minimum flow rate when adjusting the differential pressure bypass
valve setting. See "8.1.3 To check the water volume and flow
"11.4.1 Minimum flow rate" [
NOTICE
Install air purge valves at all local high points.
NOTICE
In case an optional domestic hot water tank is installed: A pressure relief valve (field
supply) with an opening pressure of maximum 10 bar (= 1 MPa) must be installed on
the domestic cold water inlet connection in accordance with the applicable
legislation.
4
rate" [ 89].
4
235].
4
rate" [ 89] and
EPRA14~18D + ETBH/X16E
Daikin Altherma 3 H HT W
4P644736-1D – 2023.10