Daikin Altherma 3 R F Installer's Reference Manual page 27

Combination: Underfloor heating + Heat pump convectors
ERGA04~08DAV3(A) + EHVH/X04+08S18+23DA/DJ3V+6V+9W7
Daikin Altherma 3 R F
4P618947-1 – 2020.03
▪ 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
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
Unit temperature control:
▪ #: [2.9]
▪ Code: [C-07]
Number of water temperature zones:
▪ #: [4.4]
▪ Code: [7-02]
External room thermostat for the main
zone:
▪ #: [2.A]
▪ Code: [C-05]
5
A
B
M1
a
1 (External room thermostat):
Unit operation is decided by the
external thermostat.
0 (Single zone): Main
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.
Application guidelines
|
Value
Installer reference guide
27