To Connect The Electricity Meters - Daikin Altherma 3 H MT ECH2O Installer's Reference Manual

9.3.6 To connect the electricity meters

EPRA08~12EAV3+W1 + ETSH/X(B)12P30+50EF
Daikin Altherma 3 H MT ECH₂O
4P663478-1 – 2021.07
A
B
B
3 Fix the cable with cable ties to the cable tie mountings. General information,
see "9.3.1 To connect the electrical wiring to the indoor
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 X15M/5 and X15M/9; the negative polarity to X5M/5
and X5M/3.
1 Open the following (see
1 User interface panel
2 Switch box
3 Switch box cover
4 Top cover
2 Connect the electricity meters cable to the appropriate terminals as shown in
the illustration below.
NO
14 18
M2S
X 2M 1
A
NC
13 18
X 2M 1
"7.2.5 To open the indoor
9 Electrical installation
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B
4
unit" [ 116].
4
unit" [ 72]):
Installer reference guide
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3
2
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