9 | Electrical installation
Installer reference guide
125
ERGA04~08E + EHVH04+08SU18+23E
Daikin Altherma 3 R F
4P629090-1C – 2022.08
[2.D] Shut off valve
1 Open the following (see "7.2.4To open the indoor unit"[471]):
1 Top panel
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.
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)×0.75mm²
Electricity meters: 12VDC pulse detection (voltage supplied by PCB)
[9.A] Energy metering