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Electrical installation
Installer reference guide
107
E EHFH03S18D
Daikin Altherma 3 R F
4P596806-1C – 2022.09
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.
9.3.5 To connect the electricity meters
Wires: 2 (per meter)×0.75 mm²
Electricity meters: 12 V DC 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
"7.2.4 To open the indoor unit"
1
Top panel
1
2
3
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.