To Connect The Changeover To External Heat Source; To Connect The Power Consumption Digital Inputs - Daikin Altherma 3 R W Installation Manual

6 Electrical installation
2 Connect the space cooling/heating ON/OFF output cable to the
appropriate terminals as shown in the illustration below.
1+2
2 1
X2M 7 9
A4P Installation of EKRP1HBAA is
3
A4P Y2 YC
A
A
B
C
B C
X2M
A4P
a Installation of EKRP1HBAA is required.
3 Fix the cable with cable ties to the cable tie mountings.
6.3.8 To connect the changeover to external
heat source
Wires: 2×0.75 mm²
Maximum load: 0.3 A, 250 V AC
Minimum load: 20 mA, 5 V DC
[9.C] Bivalent
1 Open the following (see "4.2.1 To open the indoor
1 Front panel
2 Switch box cover
3 Switch box
2 Connect the changeover to external heat source cable to the
appropriate terminals as shown in the illustration below.
Installation manual
24
Wires connected to the space
cooling/heating ON/OFF
output
3 Wire between X2M and A4P
required.
Y2 7
7 9
X2M
A4P
X1M
YC Y2
a
unit" [ 4 13]):
3
2
1
A
A
B
C
B C
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 Open the following (see "4.2.1 To open the indoor
1 Front panel
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.
X1 X2
L N
A4P
a
unit" [ 4 13]):
3
2
1
EBBH/X11+16DF
Daikin Altherma 3 R W
4P643600-1B – 2021.10