9 | Electrical installation
Installer reference guide
112
EPRA08~12EAV3+W1 + ETBH/X12EF6V+9W
Daikin Altherma 3 H MT W
4P634885-1 – 2021.03
In case of normal kWh rate power supply
Interconnection cable
(=main power supply)
Wires: (3+GND)×1.5mm²
—
CB
1 2 3
X11YA X11YB
X11Y
X1A
A1P
X2M
X1M
X2M
A1P
a
X1M
a Interconnection cable (=main power supply)
In case of preferential kWh rate power supply
Interconnection cable
(=main power supply)
Wires: (3+GND)×1.5mm²
Normal kWh rate
power supply
Wires: 1N
Maximum running current: 6.3A
Preferential kWh rate
power supply contact
Wires: 2×(0.75~1.25mm²)
Maximum length: 50m.
Preferential kWh rate power supply contact:
16VDC detection (voltage supplied by PCB). The
voltage-free contact shall ensure the minimum
applicable load of 15VDC, 10mA.
[9.8] Benefit kWh power supply
Connect X11Y to X11YB.