Daikin ALTHERMA, Installer'S Reference Manual

Page: 152 / 280

11 | Configuration
Installer reference guide
152
EBLA09~16DA + EDLA09~16DA
Daikin Altherma 3 M
4P620241-1 – 2020.06
If... Then...
▪ Space heating/cooling = On , and
▪ The external room thermostat is
"Thermo OFF", and
▪ Outdoor temperature drops below
6°C
▪ The unit will supply leaving water to
the heat emitters to heat up the room
again, and
▪ the temperature setpoint of the
leaving water will be lowered.
▪ Space heating/cooling = On , and
▪ The external room thermostat is
"Thermo ON"
Room frost protection is guaranteed by
the normal logic.
In case of 2 leaving water temperature zones:
If... Then...
▪ Space heating/cooling = Off ,
and
▪ Outdoor ambient temperature drops
below 6°C
▪ The unit will supply leaving water to
the heat emitters to heat up the room
again, and
▪ the temperature setpoint of the
leaving water will be lowered.
▪ Space heating/cooling = On , and
▪ Operation mode = Heating , and
▪ The external room thermostat is
"Thermo OFF", and
▪ Outdoor temperature drops below
6°C
▪ The unit will supply leaving water to
the heat emitters to heat up the room
again, and
▪ the temperature setpoint of the
leaving water will be lowered.
▪ Space heating/cooling = On , and
▪ Operation mode = Cooling
There is no room frost protection.
Room thermostat control ([C‑07]=2)
During room thermostat control, room frost protection [2‑06] is guaranteed when
activated. If so, and the room temperature drops below the room antifrost
temperature [2‑05], the unit will supply leaving water to the heat emitters to heat
up the room again.
# Code Description
[1.4.1] [2-06] Activation :
▪ 0 No : Antifrost functionality is OFF.
▪ 1 Yes : Antifrost functionality is on.
[1.4.2] [2-05] Room setpoint :
▪ 4°C~16°C
INFORMATION
When the dedicated Human Comfort Interface (BRC1HHDA used as room
thermostat) is disconnected (because of incorrect wiring or damage of the cable),
then room frost protection is NOT guaranteed.