Daikin Altherma 3 R F EHVZ04S18E 6V Series - To Connect the Electricity Meters

9 | Electrical installation
Installer reference guide
103
ERGA04~08EAV3(A) + EHVZ04+08S18+23EA6V+9W
Daikin Altherma 3 R F
4P629093-1 – 2020.08
1 Top panel
1
2
3
2 User interface panel
3 Upper switch box cover
2 Connect the valve control cable to the appropriate terminals as shown in the
illustration below.
NOTICE
Wiring is different for a NC (normally closed) valve and a NO (normally open) valve.
A
M2S
B
A
B
21 28
X2M
B
21 29
X2M
NO
NC
3 Fix the cable with cable ties to the cable tie mountings.
9.3.4 To connect the electricity meters
Wires: 2 (per meter)×0.75mm²
Electricity meters: 12VDC pulse detection (voltage supplied by PCB)
[9.A] Energy metering
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 "7.2.4To open the indoor unit"[451]):