Daikin ETVZ16E6V7, Installer'S Reference Manual

Page: 104 / 284

9 | Electrical installation
Installer reference guide
104
EPRA14~18D + ET23E
Daikin Altherma 3 H HT F
4P644739-1A – 2022.03
2 Connect the main power supply.
In case of normal kWh rate power supply
Interconnection cable
(= main power supply) Wires: (3+GND)×1.5 mm²
—
B
A
B
1 2 3
X2M
X11YA
X11YB
X11Y
X1A
X1M
a
a Interconnection cable (=main power supply)
In case of preferential kWh rate power supply
Interconnection cable
(= main power supply) Wires: (3+GND)×1.5 mm²
Normal kWh rate
power supply Wires: 1N
Maximum running current: 6.3 A
Preferential kWh rate
power supply contact Wires: 2×(0.75~1.25 mm²)
Maximum length: 50 m.
Preferential kWh rate power supply contact:
16 V DC detection (voltage supplied by PCB). The
voltage-free contact shall ensure the minimum
applicable load of 15 V DC, 10 mA.
[9.8]
Benefit kWh power supply
Connect X11Y to X11YB.