6 Electrical installation
Installation manual
12
ETVH/23E
Daikin Altherma 3 H HT F
4P644728-1D – 2022.08
In case of…
See…
Wired room thermostat
with multi-zoning base unit
▪ Installation manual of the wired room
thermostat (digital or analogue) +
multi-zoning base unit
▪ Addendum
book
for
optional
equipment
▪ In this case:
▪ You need to connect the wired
room
thermostat
(digital
or
analogue) to the multi-zoning base
unit
▪ You need to connect the multi-
zoning base unit to the outdoor unit
▪ For cooling/heating operation, you
also need to implement a relay
(field supply, see addendum book
for optional equipment)
6.3.1
To connect the main power supply
1
Open the following (see
"4.2.1 To open the indoor unit"
5]):
1
Top panel
1
2
3
2
User interface panel
3
Upper switch box cover
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
—
A
1 2 3
a
B
A
B
1 2 3
X2M
X1A
X11YA
X11YB
X11Y
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.
A
10
9
S1S
N
L
5
6
1N~, 50 Hz,
230 V AC, 6.3 A
1 2 3
a
b
c
