Daikin Altherma EHBH08DA6V7 - Combination: Underfloor heating + Heat pump convectors

5 | Application guidelines
Installer reference guide
27
ERGA04~08DAV3(A) + EHBH/X04+08DA*V7
Daikin Altherma 3 R W
4P618958-1 – 2020.03
Combination: Underfloor heating + Heatpump convectors
▪ Space heating is provided by:
- The underfloor heating
- The heatpump convectors
▪ Space cooling is provided by the heat pump convectors only. The underfloor
heating is shut off by the shut-off valve.
Setup
B
A
a
M1
A Main leaving water temperature zone
B One single room
a Remote controller of the heatpump convectors
▪ The heatpump convectors are directly connected to the indoor unit.
▪ A shut-off valve (field supply) is installed before the underfloor heating to
prevent condensation on the floor during cooling operation.
▪ The desired room temperature is set via the remote controller of the heat pump
convectors.
▪ The space heating/cooling demand signal is sent to one digital input on the
indoor unit (X2M/35 and X2M/30).
▪ The space operation mode is sent by one digital output (X2M/4 and X2M/3) on
the indoor unit to:
- The heatpump convectors
- The shut-off valve
Configuration
Setting Value
Unit temperature control:
▪ #: [2.9]
▪ Code: [C-07]
1 (External room thermostat):
Unit operation is decided by the
external thermostat.
Number of water temperature zones:
▪ #: [4.4]
▪ Code: [7-02]
0 (Single zone): Main
External room thermostat for the main
zone:
▪ #: [2.A]
▪ Code: [C-05]
1 (1 contact): When the used
external room thermostat or heatpump
convector can only send a thermo ON/
OFF condition. No separation between
heating or cooling demand.