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Electrical installation
Installer reference guide
137
ERGA04~V3A+V37 + EHSH/X(B)04+08P30+50EF
Daikin Altherma 3 R ECH₂O
4P678716-1A – 2022.07
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
A
3
Fix the cable with cable ties to the cable tie mountings. General information,
see
"9.3.1 To connect the electrical wiring to the indoor unit"
123].
9.3.11 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
"7.2.4 To open the indoor unit"
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.