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9
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Electrical installation
9.2 Connections to the indoor unit
9.2.1 To connect the main power supply
Installer reference guide
48
Item
Power supply (main)
Power supply (booster
heater)
WLAN cartridge
1 Open the following (see
2 Connect the main power supply.
Interconnection cable
(= main power supply)
—
A
a Interconnection cable (=main power supply)
B
C
Description
See
"9.2.1 To connect the main power
4
supply" [
48].
See
"9.2.2 To connect the booster heater power
4
supply" [
49].
See
"9.2.3 To connect the WLAN cartridge (delivered
4
as
accessory)" [
50]
"7.2.2 To open the indoor
Wires: (3+GND)×1.5 mm²
A
a
1 2 3
B
C
4
unit" [
36]):
EKHWET90+120B
R32 Split series – Domestic hot water tank
4P680077-1A – 2022.11
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