Connections To The Indoor Unit; To Connect The Main Power Supply; To Connect The Booster Heater Power Supply - Daikin EKHWET90B V3 Series Installation Manual

6 Electrical installation
Item
X2M
X5M
X8M
M4 (earth)
6.3

Connections to the indoor unit

Item
Power supply (main) See "6.3.1 To connect the main power
supply" [ 4 12].
Power supply (booster See "6.3.2 To connect the booster heater
supply" [ 4 12].
heater) power
WLAN cartridge See "6.3.3 To connect the WLAN cartridge
(delivered as
6.3.1

To connect the main power supply

1 Open the following (see "4.2.1 To open the indoor
2 Connect the main power supply.
Interconnection Wires: (3+GND)×1.5 mm²
cable (= main
power supply)
—
A
A
a Interconnection cable (=main power supply)
B
Installation manual
12
Tightening torque (N•m)
2.45 ±10%
0.88 ±10%
2.45 ±10%
1.47 ±10%
Description
accessory)" [ 4 13]
unit" [ 4 9]):
a
1 2 3
B
C
D
D
6.3.2 To connect the booster heater power
supply
Booster heater Wires: (2+GND)×1.5 mm²
cable
[9.4]Booster heater
WARNING
The booster heater MUST have a dedicated power supply
and MUST be protected by the safety devices required by
the applicable legislation.
CAUTION
To guarantee the unit is completely earthed, ALWAYS
connect the booster heater power supply and the earth
cable.
Connect the booster heater power supply as follows:
A
b
X4M
F2B
Q1DI
R32 Split series – Domestic hot water tank
C
X2M
A
a
EKHWET90+120B
4P680074-1C – 2022.11