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Electrical installation
Installer reference guide
134
EPRA14~W1 + ETSH/X(B)16P30+50EF
Daikin Altherma 3 H HT ECH₂O
4P679467-1 – 2022.02
A
B
A
B
7 8
X 5M
1
8
Q4L
7
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"
NOTICE
Make sure to select and install the safety thermostat according to the applicable
legislation.
In any case, to prevent unnecessary tripping of the safety thermostat, we
recommend the following:
▪
The safety thermostat is automatically resettable.
▪
The safety thermostat has a maximum temperature variation rate of 2°C/min.
▪
There is a minimum distance of 2 m between the safety thermostat and the
3‑way valve.
NOTICE
Error.
If you remove the jumper (open circuit) but do NOT connect the safety
thermostat, stop error 8H-03 will occur.
INFORMATION
ALWAYS configure the safety thermostat after it is installed. Without configuration,
the unit will ignore the safety thermostat contact.
9.3.13 To connect a Smart Grid
This topic describes 2 possible ways to connect the indoor unit to a Smart Grid:
▪
In case of low voltage Smart Grid contacts