Daikin Altherma 3 GEO Series - Troubleshooting; To display the help text in case of a malfunction; Symptom: You are feeling too cold (hot) in your living room

5 | Application guidelines
Installer reference guide
30
EGSAH/X06+10UDA9W
Daikin Altherma 3 GEO
4P598592-1A – 2019.12
Setup
T
C B
A
a
b
A Main leaving water temperature zone
B Room 1
C Room 2
a Dedicated Human Comfort Interface (BRC1HHDA used as room thermostat)
b Remote outdoor sensor
▪ For more information about connecting the electrical wiring to the unit, see
"8.2 Overview of electrical connections for external and internal
actuators"[480].
▪ The underfloor heating of the main room is directly connected to the indoor unit.
▪ The room temperature of the main room is controlled by the dedicated Human
Comfort Interface (BRC1HHDA used as room thermostat).
▪ A thermostatic valve is installed before the underfloor heating in each of the
other rooms.
INFORMATION
Mind situations where the main room can be heated by another heating source.
Example: Fireplaces.
Configuration
Setting Value
Unit temperature control:
▪ #: [2.9]
▪ Code: [C-07]
2 (Room thermostat): Unit operation
is decided based on the ambient
temperature of the dedicated Human
Comfort Interface.
Number of water temperature zones:
▪ #: [4.4]
▪ Code: [7-02]
0 (Single zone): Main
Benefits
▪ Easy. Same installation as for one room, but with thermostatic valves.