Daikin ETSX16E Installer's Reference Manual page 121

9.3.3 To connect the backup heater power supply
EPRA14~18D + ETSH/X(B)16P30+50E
Daikin Altherma 3 H HT ECH₂O
4P679467-1D – 2023.11
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
Backup heater type
EKECBU*3V
EKECBU*6V
EKECBU*9W
[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.
9
|
Power supply
1N~ 230 V
1N~ 230 V
3N~ 400 V
Electrical installation
4
unit" [ 117].
Wires
(2+GND)×2.5 mm²
(minimum)
(2+GND)×4 mm²
(minimum); ONLY
flexible cords
(4+GND)×2.5 mm²
(minimum)
Installer reference guide
121