9 | Electrical installation
Installer reference guide
100
ERLA03DAV3 + EHFZ03S18DJ3V
Daikin Altherma 3 R F
4P596821-1B – 2021.10
B
A
B
21 28
X2M
B
21 29
X2M
NO
NC
3 Fix the cable with cable ties to the cable tie mountings.
9.3.5 To connect the electricity meters
Wires: 2 (per meter)×0.75mm²
Electricity meters: 12VDC pulse detection (voltage supplied by PCB)
[A.2.2.8] External kWh meter (meter 1)
[A.2.2.9] External kWh meter (meter 2)
INFORMATION
In case of an electricity meter with transistor output, check the polarity. The positive
polarity MUST be connected to X5M/6 and X5M/4; the negative polarity to X5M/5
and X5M/3.
1 Open the following (see "7.2.4To open the indoor unit"[455]):
1 Top panel
2 Upper front panel
3 Upper switch box cover
2 Connect the electricity meters cable to the appropriate terminals as shown in
the illustration below.