Daikin Altherma 3 H HT - Page 32

5 | About the units and options
Installer reference guide
32
EPRA14~18D + ETVZ16S18+23E
Daikin Altherma 3 H HT F
4P644739-1A – 2022.03
▪ The Human Comfort Interface (HCI) used as room thermostat needs to be
installed in the room that you want to control.
For installation instructions, see the installation and operation manual of the
Human Comfort Interface (HCI) as room thermostat, and the addendum book for
optional equipment.
Smart grid relay kit (EKRELSG)
The installation of the optional Smart grid relay kit is required in case of high
voltage Smart grid contacts (EKRELSG).
For installation instructions, see "9.3.11To connect a Smart Grid"[4117].