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6 Electrical installation
Installation manual
22
ETSH/X(B)12P30+50EF
Daikin Altherma 3 H MT ECH
₂
O
4P663479-1 – 2021.07
A
A
B
B
5 6
X 2M
1
N/- L/+
Space C/H
On/OFF output
Max. load
0,3 A - 230 V AC
1 A - 5 V DC
5
6
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
15].
6.3.10
To connect the changeover to external
heat source
Wires: 2×0.75 mm²
Maximum load: 0.3 A, 230 V AC
Maximum load: 1 A, 5 V DC
[9.C]
Bivalent
1
Open the following (see
"4.2.1 To open the indoor unit"
7]):
1
User interface panel
1
3
4
2
2
Switch box
3
Switch box cover
4
Top cover
2
Connect the changeover to external heat source cable to the
appropriate terminals as shown in the illustration below.
A
A
B
B
3 4
X 2M
1
N/- L/+
Ext. heat source
Max. load
0,3 A - 230 V AC
1 A - 5 V DC
3
4
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
6.3.11
To connect the power consumption digital
inputs
Wires: 2 (per input signal)×0.75 mm²
Power limitation digital inputs: 12 V DC / 12 mA detection
(voltage supplied by PCB)
[9.9]
Power consumption control
.
1
Open the following (see
"4.2.1 To open the indoor unit"
7]):
1
User interface panel
1
3
4
2
2
Switch box
3
Switch box cover
4
Top cover
2
Install the switch box metal insert.