Daikin Altherma 3 HT - To Connect the Alarm Output

9 | Electrical installation
Installer reference guide
120
EPRA14~18D + ETVH/X16S18+23E
Daikin Altherma 3 H HT F
4P644737-1A – 2022.03
B
A
B
1 2
X2M
3 Fix the cable with cable ties to the cable tie mountings.
9.3.6 To connect the alarm output
Wires: (2+1)×0.75mm²
Maximum load: 0.3A, 250VAC
[9.D] Alarm output
1 Open the following (see "7.2.6To open the indoor unit"[469]):
1 Top panel
1
2
3
2 User interface panel
3 Upper switch box cover
2 Connect the alarm output cable to the appropriate terminals as shown in the
illustration below.
7
9
YCY1
X2M
12
3
A4P
1+2 Wires connected to the alarm output
3 Wire between X2M and A4P
A4P Installation of EKRP1HBAA is
required.
A
Y17