Daikin Altherma 3 H HT - To Connect a Smart Grid

9 | Electrical installation
Installer reference guide
117
EPRA14~18D + ETVZ16S18+23E
Daikin Altherma 3 H HT F
4P644739-1A – 2022.03
A
14
Q4L
13
B
A
B
X5M
13 14
5 Fix the cable with cable ties to the cable tie mountings.
NOTICE
Make sure to select and install the safety thermostat for the additional zone
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.
INFORMATION
ALWAYS configure the safety thermostat for the additional zone after it is installed.
Without configuration, the indoor unit will ignore the safety thermostat contact.
NOTICE
Error. If you remove the jumper (open circuit) but do NOT connect the safety
thermostat, stop error 8H-03 will occur.
9.3.11 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
▪ In case of high voltage Smart Grid contacts. This requires the installation of the
Smart Grid relay kit (EKRELSG).