9
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Electrical installation
Installer reference guide
94
EWSAH/X06D
Daikin Altherma 3 WS
4P675764-1 – 2022.04
NOTICE
Wiring is different for a NC (normally closed) valve and a NO (normally open) valve.
M2S
1×
2×
NO
NC
OR
X2M
1×
2128
X2M
1×
21
29
3
Fix the cable with cable ties to the cable tie mountings.
9.2.4 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
"7.2.2 To open the indoor unit"
61]):
1
Top panel
1
3
2
2
User interface panel
3
Installer switch box cover
2
Connect the electricity meters cable to the appropriate terminals as shown in
the illustration below.