5 Electrical installation
Installation manual
25
EWSAH/X06UDA9W
Daikin Altherma 3 WS
4P675760-1 – 2021.10
Smart Grid application
Item
Requirement
LAN adapter software It is recommended to ALWAYS keep the
LAN adapter software up-to-date.
Unit control method
On the user interface, make sure to set
[2.9]=2 (
Control
=
Room thermostat
)
Domestic hot water
settings
To allow for energy buffering in the domestic
hot water tank, on the user interface, make
sure to set [9.2.1]=4 (
Domestic hot water
=
Integrated
).
Power consumption
control settings
On the user interface, make sure to set:
▪ [9.9.1]=1 (
Power consumption control
=
Continuous
)
▪ [9.9.2]=1 (
Type
=
kW
)
INFORMATION
For instructions on how to perform a software update, see
the installer reference guide.
5.15.2
Overview of electrical connections
Connectors
X4A
4
N
L
3
2
1
2
1
X1A
X2A
X3A
a1
b
c
a2
d
a1
To solar inverter/energy management system
a2
230 V AC detection voltage
b
To electricity meter
c
Factory-mounted cable to indoor unit (P1/P2)
d
To router (via the factory-mounted Ethernet cable outside
of the unit)
Connections
Field-supplied cables:
Connection
Cable section
Wires
Maximum
cable length
Router (via the
factory-mounted
Ethernet cable
outside of the
unit, which is
coming from
X4A)
—
—
50/100 m
(a)
Electricity meter
(X2A)
0.75~1.25 mm
2
2
(b)
100 m
Solar inverter/
energy
management
230 V AC
detection
voltage (X1A)
0.75~1.5 mm
2
Depends on
application
(c)
100 m
(a)
Ethernet cable: respect the maximum allowed distance between
LAN adapter and router, which is 50 m in case of Cat5e cables,
and 100 m in case of Cat6 cables.
(b)
These wires MUST be sheathed. Recommended strip length:
6 mm.
(c)
All wiring to X1A MUST be H05VV. Required strip length: 7 mm.
For more information, see
5.15.3
Router
Make sure the LAN adapter can be connected via a LAN connection.
The minimum category for the Ethernet cable is Cat5e.
To connect the router
Use one of the following ways (A, B or C) to connect the router:
a
A/B/C
b
c
a
Factory-mounted Ethernet cable
b
Router (field supply)
c
Smartphone with app control (field supply)
#
Router connection
A
Wired
a
d
b
c
d
Field-supplied Ethernet cable:
▪ Minimum category: Cat5e
▪ Maximum length:
▪ 50 m in case of Cat5e cables
▪ 100 m in case of Cat6 cables
B
Wireless
a
b
e
c
e
Wireless bridge (field supply)
C
Power line
f
a
f
b
c
g
f
Power line adapter (field supply)
g
Power line (field supply)
INFORMATION
It is recommended to connect the LAN adapter to the
router directly. Depending on the wireless bridge or power
line adapter model, the system might not function properly.
