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6 Electrical installation
6.16.2
Overview of electrical connections
Connectors
1
2
a1
3
X1A
4
N
a2
L
b
1
X2A
2
c
X3A
d
X4A
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
Router (via the
—
factory-mounted
Ethernet cable
outside of the
unit, which is
coming from
X4A)
Electricity meter
0.75~1.25 mm
(X2A)
Solar inverter/
0.75~1.5 mm
energy
management
system +
230 V AC
detection
voltage (X1A)
(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
system" [ 4 27].
management
6.16.3
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:
Installation manual
26
Wires
Maximum
cable length
—
50/100 m
2
(b)
2
100 m
2
Depends on
100 m
(c)
application
"6.16.5 Solar inverter/energy
a
Factory-mounted Ethernet cable
b
Router (field supply)
c
Smartphone with app control (field supply)
#
A
Wired
a
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
(a)
e Wireless bridge (field supply)
C
Power line
a
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.
NOTICE
To prevent communication problems due to cable
breakdown, do NOT exceed the minimum bend radius of
the Ethernet cable.
6.16.4
Electricity meter
If the LAN adapter is connected to an electricity meter, make sure it
is an electrical pulse meter.
Requirements:
Item
Type
Possible number of pulses
a
A/B/C
Router connection
d
e
f
g
f
Specification
Pulse meter (5 V DC pulse
detection)
▪ 100 pulse/kWh
▪ 1000 pulse/kWh
EWSAH/X06UD
Daikin Altherma 3 WS
4P675760-1C – 2023.02
c
b
c
b
c
b
c
b
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