Table of Contents
4 Piping installation
1
a
b
c
3
c
a
Drain hole
b
O-ring (delivered as accessory)
c
Drain plug (delivered as accessory)
d
Hose (field supply)
NOTICE
O-ring. Make sure the O-ring is installed correctly to
prevent leakage.
3.3
To open the outdoor unit
DANGER: RISK OF ELECTROCUTION
DANGER: RISK OF BURNING
1
1
2
2
3×
1
1
3.4
To remove the transportation stay
NOTICE
If the unit is operated with the transportation stay attached,
abnormal vibration or noise may be generated.
The transportation stays (2×) protect the unit during transport.
During installation they must be removed.
Installation manual
8
2
d
3 3
a
a
Transportation stays (2×)
1 Open the switch box cover. See
unit" [ 4 8].
2 Remove the screws (4×) from the transportation stays, and
dispose of them.
3 Remove the transportation stays (2×), and dispose of them.
4
Piping installation
4.1
Connecting water piping
4.1.1
To connect the water piping
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 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.
4.1.2
To fill the water circuit
See the installation manual of the indoor unit, or the installer
reference guide.
"3.3 To open the outdoor
b
c
2
1
d
EPRA14~18DAV3+W1
Daikin Altherma 3 H HT
4P586100-1B – 2019.09
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