Daikin Altherma EHFH-D3V - To Connect the Alarm Output; To Connect the Space Cooling;Heating ON;OFF Output

6 Electrical installation
Installation manual
15
EHFH03S18D
Daikin Altherma 3 R F
4P596803-1D – 2022.08
A
1~
M
M2P
B
A
B
1 2
X2M
3 Fix the cable with cable ties to the cable tie mountings.
6.3.7 To connect the alarm output
Wires: (2+1)×0.75mm²
Maximum load: 0.3A, 250VAC
[A.2.2.6.3] Alarm output
1 Open the following (see "4.2.1To open the indoor unit"[45]):
1 Top panel
1
2
3
2 Upper front 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
B
A
B
7 9
X2M
A4P
Y1YC
X1M
ab
a Installation of EKRP1HBAA is required.
b Prewiring between X2M/7+9 and Q1L (=thermal
protector backup heater). Do NOT change.
3 Fix the cable with cable ties to the cable tie mountings.
6.3.8 To connect the space cooling/heating ON/
OFF output
Wires: (2+1)×0.75mm²
Maximum load: 0.3A, 250VAC
—
1 Open the following (see "4.2.1To open the indoor unit"[45]):
1 Top panel
1
2
3
2 Upper front panel
3 Upper switch box cover
2 Connect the space cooling/heating ON/OFF output cable to the
appropriate terminals as shown in the illustration below.
7
9
YCY2
X2M
12
3
A4P
1+2 Wires connected to the space
cooling/heating ON/OFF
output
3 Wire between X2M and A4P
A4P Installation of EKRP1HBAA is
required.