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9
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Electrical installation
9.3 Connections to the indoor unit
Installer reference guide
132
Item
Power supply (main)
Power supply (backup
heater)
Shut-off valve
Electricity meters
Domestic hot water pump
Alarm output
Space cooling/heating
operation control
Changeover to external
heat source control
Power consumption digital
inputs
Safety thermostat
Smart Grid
WLAN cartridge
Room thermostat (wired or
wireless)
Description
See
"9.3.1 To connect the main power
4
supply" [
135].
See
"9.3.2 To connect the backup heater power
4
supply" [
137].
See
"9.3.3 To connect the shut-off
See
"9.3.4 To connect the electricity
See
"9.3.5 To connect the domestic hot water
4
pump" [
142].
See
"9.3.6 To connect the alarm
See
"9.3.7 To connect the space cooling/heating ON/
4
OFF
output" [
144].
See
"9.3.8 To connect the changeover to external
4
heat
source" [
145].
See
"9.3.9 To connect the power consumption
4
digital
inputs" [
146].
See
"9.3.10 To connect the safety thermostat
(normally closed
contact)" [
See
"9.3.11 To connect a Smart
See
"9.3.12 To connect the WLAN cartridge
(delivered as
accessory)" [
See below table.
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
4
valve" [
140].
4
meters" [
141].
4
output" [
143].
4
147].
4
Grid" [
148].
4
152].
ERRA08~12E + ELVH/X12S18+23E
Daikin Altherma 3 R MT F
4P708474-1 – 2023.05
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