To Connect The Changeover To External Heat Source; To Connect The Power Consumption Digital Inputs - Daikin ETVZ16S23EA9W Installation Manual

A
B b
A
B
A4P
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 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 Top panel
2 User interface panel
3 Upper switch box cover
2 Connect the changeover to external heat source cable to the
appropriate terminals as shown in the illustration below.
ETVZ16S18+23EA6V+9W
Daikin Altherma 3 H HT F
4P644730-1 – 2021.02
7 Y2
7 9
X2M
a
unit" [ 4 6]):
1
A
B
A
B
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
1 Top panel
2 User interface panel
3
3 Upper switch box cover
2
2 Connect the power consumption digital inputs cable to the
appropriate terminals as shown in the illustration below.
6 Electrical installation
N
X2 X1
X2 X1
X2M
A4P
a
unit" [ 4 6]):
"4.2.1 To open the indoor
Installation manual
L
1
3
2
17