6 Electrical installation
Installation manual
24
ETSH/X(B)16P30+50E
Daikin Altherma 3 H HT ECH
₂
O
4P679468-1B – 2022.09
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
"6.3.1 To connect the electrical wiring to the
17].
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"
8]):
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.
1
2
3
3
Connect the power consumption digital inputs cable to the
appropriate terminals as shown in the illustration below.
A
B
B
A
A8P
M1
08
X
12
34
5
1 2
4 5
S6
S
S7
S
S8
S
S9
S
3
a
4
Fix the cable with cable ties to the cable tie mountings. General
information, see
"6.3.1 To connect the electrical wiring to the
6.3.12
To connect the safety thermostat
(normally closed contact)
Wires: 2×0.75 mm²
Maximum length: 50 m
Safety thermostat contact: 16 V DC detection (voltage
supplied by PCB). The voltage-free contact shall ensure the
minimum applicable load of 15 V DC, 10 mA.
