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Configuration
Installer reference guide
116
EPGA11~ EAV23DA6V
Daikin Altherma 3 H F
4P606487-1 – 2019.12
If...
Then...
Space heating/cooling
is ON, the
external room thermostat is "Thermo
OFF" and the outdoor temperature
drops below 4°C
The unit will supply leaving water to the
heat emitters to heat up the room
again, and the leaving water
temperature setpoint will be lowered.
Space heating/cooling
is ON and
the external room thermostat is
"Thermo ON"
Room frost protection is guaranteed by
the normal logic.
In case of two leaving water temperature zones:
If...
Then...
Space heating/cooling
is OFF and
the outdoor ambient temperature
drops below 4°C
The unit will supply leaving water to the
heat emitters to heat up the room
again, and the leaving water
temperature setpoint will be lowered.
Space heating/cooling
is ON, the
external room thermostat is "Thermo
OFF", the operation mode is "heating"
and the outdoor temperature drops
below 4°C
The unit will supply leaving water to the
heat emitters to heat up the room
again, and the leaving water
temperature setpoint will be lowered.
Space heating/cooling
is ON and
the operation mode is "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 user interface used as room thermostat is disconnected (because of
incorrect wiring or damage of the cable), then room frost protection is NOT
guaranteed.
NOTICE
If
Emergency
is set to
Manual
([9.5]=0), and the unit is triggered to start emergency
operation, the unit will stop and need to be recovered manually via the user
interface. To recover operation manually, go to the
Malfunctioning
main menu
screen, where the user interface will then ask you to confirm emergency operation
before starting.
Room frost protection is active even if the user does NOT confirm emergency
operation.