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6 Electrical installation
Installation manual
14
ETV23EA6V
Daikin Altherma 3 H HT F
4P644729-1 – 2021.02
6.3
Connections to the indoor unit
Item
Description
Power supply (main)
"6.3.1 To connect the main power
Power supply (backup
heater)
"6.3.2 To connect the backup heater
Shut-off valve
"6.3.3 To connect the shut-off
Electricity meters
"6.3.4 To connect the electricity
Domestic hot water
pump
"6.3.5 To connect the domestic hot
Alarm output
18].
Space cooling/heating
operation control
"6.3.7 To connect the space cooling/
Changeover to
external heat source
control
"6.3.8 To connect the changeover to
Power consumption
digital inputs
Safety thermostat
thermostat (normally closed
contact)"
Smart Grid
Room thermostat
(wired or wireless)
See below table.
Wires: 0.75 mm²
Maximum running current: 100 mA
For the main zone:
▪ [2.9]
Control
▪ [2.A]
Thermostat type
For the additional zone:
▪ [3.A]
Thermostat type
▪ [3.9] (read-only)
Control
Heat pump convector
There are different controllers and
setups possible for the heat pump
convectors.
Depending on the setup, you also
need to implement a relay (field
supply, see addendum book for
optional equipment).
For more information, see:
▪ Installation manual of the heat
pump convectors
▪ Installation manual of the heat
pump convector options
▪ Addendum
book
for
optional
equipment
Wires: 0.75 mm²
Maximum running current: 100 mA
For the main zone:
▪ [2.9]
Control
▪ [2.A]
Thermostat type
For the additional zone:
▪ [3.A]
Thermostat type
▪ [3.9] (read-only)
Control
Item
Description
Remote outdoor
sensor
See:
▪ Installation manual of the remote
outdoor sensor
▪ Addendum
book
for
optional
equipment
Wires: 2×0.75 mm²
[9.B.1]=1 (
External sensor
=
Outdoor
)
[9.B.2]
Ext. amb. sensor offset
[9.B.3]
Averaging time
Remote indoor sensor
See:
▪ Installation manual of the remote
indoor sensor
▪ Addendum
book
for
optional
equipment
Wires: 2×0.75 mm²
[9.B.1]=2 (
External sensor
=
Room
)
[1.7]
Room sensor offset
Human Comfort
Interface
See:
▪ Installation and operation manual of
the Human Comfort Interface
▪ Addendum
book
for
optional
equipment
Wires: 2×(0.75~1.25 mm²)
Maximum length: 500 m
[2.9]
Control
[1.6]
Room sensor offset
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