6 Electrical installation
Installation manual
12
ETBH/9W
Daikin Altherma 3 H HT W
4P644727-1 – 2021.02
Item
Description
WLAN module
See:
▪ Installation manual of the WLAN
module
▪ Addendum
book
for
optional
equipment
▪ Installer reference guide
Use the cable delivered with the
WLAN module.
[D]
Wireless gateway
WLAN cartridge
See:
▪ Installation manual of the WLAN
cartridge
▪ Installer reference guide
[D]
Wireless gateway
for room thermostat (wired or wireless):
In case of…
See…
Wireless room thermostat ▪ Installation manual of the wireless
room thermostat
▪ Addendum
book
for
optional
equipment
Wired room thermostat
without multi-zoning base
unit
▪ Installation manual of the wired room
thermostat
▪ Addendum
book
for
optional
equipment
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
Front panel
1
2
3
2
Switch box cover
3
Switch box
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
C
A
A
a
1 2 3
C
B
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)×1.5 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.