Daikin EPRA10EAV3, Installer'S Reference Manual

Page: 121 / 304

9 | Electrical installation
Installer reference guide
121
EPRA08~W1 + ETSH/X(B)12P30+50EF
Daikin Altherma 3 H MT ECH₂O
4P663478-1B – 2022.07
A
B
X1M
1 2 3
3
4
4
5 6
c
X 5M 1
3x
b a
S1S
c
3 4
a
1 2 3
230 , 6.3 A V AC
1N~, 50 Hz,
b
L
N
F2B
1
3
2
4
I
I
Q DI 2
6
5
3x
A
B
a Interconnection cable
b Power supply indoor unit
c Preferential power supply contact
3 Fix the cable with cable ties to the cable tie mountings. General information,
see
"9.3.1 To connect the electrical wiring to the indoor unit" [
4
117].
9.3.3 To connect the backup heater power supply
Backup heater type Power supply Wires
EKECBU*3V 1N~ 230 V (2+GND)×2.5 mm²
(minimum)
EKECBU*6V 1N~ 230 V (2+GND)×4 mm²
(minimum); ONLY
flexible cords
EKECBU*9W 3N~ 400 V (4+GND)×2.5 mm²
(minimum)
[9.3] Backup heater
WARNING
The backup heater MUST have a dedicated power supply and MUST be protected by
the safety devices required by the applicable legislation.