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Application guidelines
Installer reference guide
30
EPGA11~ EAV23DA6V
Daikin Altherma 3 H F
4P606487-1 – 2019.12
Combination: Underfloor h 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
M1
B
a
A
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.