Daikin Altherma 3 R ECH2O Installation And Operating Manual page 21

CAUTION
Increased temperatures can occur in the switch box of the
indoor unit during operation. This can result in currently-
carrying wires from reaching higher temperatures during
operation due to self-heating. For this reason, these lines
need to have a continuous use temperature of 90°C.
▪ For the following connections, only use cables with a
long-term use temperature ≥90°C: Heat pump outdoor
unit and optional: Electric backup heater (EKBUxx)
Daikin Altherma EHS(X/H)(B)-D
Daikin Altherma 3 R ECH₂O
008.1451099_00 – 07/2020
3 Set-up and installation
CAUTION
If the mains cable of the indoor unit is damaged, it must be
replaced by the manufacturer or his customer service or a
similarly qualified person to avoid hazards.
All electronic control and safety devices of the indoor unit are
connected ready for use and tested. Modifications on the electrical
installation are dangerous and prohibited. The operator alone bears
responsibility for any resulting damage.
Installation and operating manual
21