6 Electrical installation
Installation manual
17
ETBH/9W
Daikin Altherma 3 H HT W
4P644727-1 – 2021.02
B
C
A
A
L
N
X1 X2
C
B
a
A4P
X2
X3
X4
X1
X2
X1
X2M
A4P
a
Installation of EKRP1HBAA is required.
3
Fix the cable with cable ties to the cable tie mountings.
6.3.9
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
"4.2.1 To open the indoor unit"
1
Front panel
1
2
3
2
Switch box cover
3
Switch box
2
Connect the power consumption digital inputs cable to the
appropriate terminals as shown in the illustration below.
B
C
A
A
1 2
4 5
S6S S7S S8S S9S
3
C
B
A8P
X801M
a
5
4
3
2
1
a
Installation of EKRP1AHTA is required.
3
Fix the cable with cable ties to the cable tie mountings.
6.3.10
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.
—
1
"4.2.1 To open the indoor unit"
1
Front panel
1
2
3
2
Switch box cover
3
Switch box
2
Connect the safety thermostat (normally closed) cable to the
appropriate terminals as shown in the illustration below.
Note:
The jumper wire (factory-mounted) must be removed from the
respective terminals.
