Daikin Altherma 3 H HT ECH20, Installation Manual, Page: 26 / 44

6 Electrical installation
Installation manual
26
ETSH/X(B)16P30+50EF
Daikin Altherma 3 H HT ECH ₂ O
4P679468-1 – 2022.02
A
B
A
B
X 2M 1
24 25
X
M.
12
25
X
M.
12
24
X
M.
12
25
X
M.
12
23
1
2
23
L2 L1 N N
6 Fix the cable with cable ties to the cable tie mountings. General
information, see
"6.3.1 To connect the electrical wiring to the
indoor unit" [
4
15].
6.3.14 To connect the WLAN cartridge (delivered
as accessory)
[D] Wireless gateway
1 Insert the WLAN cartridge into the cartridge slot on the user
interface of the indoor unit.
WARNING
In order to keep IPX3, the rubber part must be correctly
fixed after WLAN installation.
6.3.15 To connect the solar input
Wires: 0.5 mm²
Solar input contact: 5 V DC (voltage supplied by PCB)
—
1 Open the following (see "4.2.1 To open the indoor unit" [ 4 7]):
1 User interface panel
1
3
4
2
2 Switch box
3 Switch box cover
4 Top cover
2 Connect the solar input cable as shown in the illustration below.
A
A
B
B
13 14
X 5M 1
13 14
Solar input
3 Fix the cable with cable ties to the cable tie mountings. General
information, see
"6.3.1 To connect the electrical wiring to the
indoor unit" [
4
15].
6.3.16 To connect the DHW output
Wires: 2×0.75 mm²
Maximum running current: 0.3 A, 230 V AC
—
1 Open the following (see "4.2.1 To open the indoor unit" [
4
7]):
1 User interface panel
1
3
4
2
2 Switch box
3 Switch box cover
4 Top cover
2 Connect the DHW signal cable as shown in the illustration
below.