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6 Electrical installation
6
Electrical installation
DANGER: RISK OF ELECTROCUTION
WARNING
ALWAYS use multicore cable for power supply cables.
CAUTION
Do NOT push or place redundant cable length into the unit.
NOTICE
The distance between the high voltage and low voltage
cables should be at least 50 mm.
6.1
About electrical compliance
Only for the backup heater of the indoor unit
See
"6.3.3 To connect the backup heater power
6.2
Guidelines when connecting the
electrical wiring
Tightening torques
Indoor unit:
Item
M4 (X1M)
M4 (X12M, X15M)
Indoor unit – BUH option:
Item
M4 (X6M) *3V, *6V
M4 (X6M) *9W
6.3
Connections to the indoor unit
Item
Power supply (main)
See
"6.3.2 To connect the main power
supply" [ 4 18].
Power supply (backup
See
"6.3.3 To connect the backup heater
supply" [ 4 19].
heater)
power
Backup heater
See
"6.3.4 To connect the backup heater to
the main
Shut-off valve
See
"6.3.5 To connect the shut-off
valve" [ 4 21].
Electricity meters
See
"6.3.6 To connect the electricity
meters" [ 4 21].
Domestic hot water
See
"6.3.7 To connect the domestic hot
pump" [ 4 22].
pump
water
Alarm output
See
"6.3.8 To connect the alarm
output" [ 4 22].
Space cooling/heating
See
"6.3.9 To connect the space cooling/
operation control
heating ON/OFF
Changeover to
See
"6.3.10 To connect the changeover to
external heat source
external heat
control
Power consumption
See
"6.3.11 To connect the power
digital inputs
consumption digital
Safety thermostat
See
"6.3.12 To connect the safety
thermostat (normally closed
contact)" [ 4 24].
Smart Grid
See
"6.3.13 To connect a Smart
Grid" [ 4 25].
Installation manual
16
supply" [ 4 19].
Tightening torque (N•m)
1.2
0.88 ±10%
Tightening torque (N•m)
2.45 ±10%
1.2
Description
unit" [ 4 20].
output" [ 4 23].
source" [ 4 23].
inputs" [ 4 24].
Item
WLAN cartridge
See
"6.3.14 To connect the WLAN
cartridge (delivered as
Solar input
See
"6.3.15 To connect the solar
input" [ 4 27].
DHW output
See
"6.3.16 To connect the DHW
output" [ 4 28].
Room thermostat
See below table.
(wired or wireless)
Wires: 0.75 mm²
Maximum running current: 100 mA
For the main zone:
▪ [2.9] Control
▪ [2.A] Ext thermostat type
For the additional zone:
▪ [3.A] Ext 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 option EKRELAY1.
For more information, see:
▪ Installation manual of the heat
▪ Installation manual of the heat
▪ Addendum
Wires: 0.75 mm²
Maximum running current: 100 mA
For the main zone:
▪ [2.9] Control
▪ [2.A] Ext thermostat type
For the additional zone:
▪ [3.A] Ext thermostat type
▪ [3.9] (read-only) Control
Remote outdoor
See:
sensor
▪ Installation manual of the remote
▪ Addendum
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
▪ Addendum
Wires: 2×0.75 mm²
[9.B.1]=2 (External sensor = Room)
[1.7] Room sensor offset
Description
accessory)" [ 4 27] .
pump convectors
pump convector options
book
for
optional
equipment
outdoor sensor
book
for
optional
equipment
indoor sensor
book
for
optional
equipment
ETSH/X(B)16P30+50E
Daikin Altherma 3 H HT ECH₂O
4P679468-1B – 2022.09
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