To Connect The Electricity Meters - Daikin Altherma 3 H HT F Installer's Reference Manual

9 | Electrical installation

9.3.4 To connect the electricity meters

Installer reference guide
124
A
B
A
B
B
3 Fix the cable with cable ties to the cable tie mountings.
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
1 Top panel
2 User interface panel
3 Upper switch box cover
2 Connect the electricity meters cable to the appropriate terminals as shown in
the illustration below.
M2S
NO
21 28
X2M
NC
21 29
X2M
"7.2.6 To open the indoor
4
unit" [ 71]):
1
3
2
EPRA14~18D + ETVH16SU18+23E
Daikin Altherma 3 H HT F
4P644738-1A – 2022.03