Daikin ETSX16E Installer's Reference Manual page 91

EPRA14~18D + ETSH/X(B)16P30+50E
Daikin Altherma 3 H HT ECH₂O
4P679467-1D – 2023.11
Outdoor unit
1 Connect the shut-off valve (with integrated filter) to the outdoor unit water
inlet, using thread sealant.
a
b
a Water OUT (screw connection, male, 1")
b Water IN (screw connection, male, 1")
c Shut-off valve with integrated filter (delivered as accessory)(2× screw connection,
female, 1")
d Thread sealant
2 Connect the field piping to the shut-off valve.
3 Connect the field piping to the outdoor unit water outlet.
NOTICE
About the shut-off valve with integrated filter (delivered as accessory):
▪
The installation of the valve at the water inlet is mandatory.
▪
Mind the flow direction of the valve.
NOTICE
Install air purge valves at all local high points.
Indoor unit
NOTICE
Do NOT use excessive force when connecting the field piping and make sure the
piping is aligned properly. Deformation of the piping can cause malfunctioning of the
unit.
1 Connect the outdoor unit field piping to the water connection pipes of the
indoor unit.
Do NOT exceed the maximum tightening torque (Thread size 1", 25-30 N•m). To
avoid damage, apply the necessary countertorque with a suitable tool.
8
|
b
c
2
1
d
Piping installation
Installer reference guide
91