Daikin Altherma 3 HT - Page 31

5 | About the units and options
Installer reference guide
31
EPRA14~18D + ETVH/X16S18+23E
Daikin Altherma 3 H HT F
4P644737-1A – 2022.03
For installation instructions, see the installation manual of the bizone kit.
See also:
▪ "6.2.3Multiple rooms – Two LWT zones"[443]
▪ "Bizone kit"[4216]
Human Comfort Interface (BRC1HHDA) used as room thermostat
▪ The Human Comfort Interface (HCI) used as room thermostat can only be used in
combination with the user interface connected to the indoor unit.
▪ 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125].