Daikin Altherma ERGA04E V3 Series, Installer'S Reference Manual

Page: 37 / 296

6 | Application guidelines
Installer reference guide
37
ERGA04~08E + 23E
Daikin Altherma 3 R F
4P629090-1C – 2022.08
▪ Efficiency. Optimal energy efficiency because of the interlink function.
▪ Stylish.
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 Heat pump convectors (+ controllers)
▪ For more information about connecting the electrical wiring to the unit, see:
- "9.2 Connections to the outdoor unit" [
4
115]
- "9.3 Connections to the indoor unit" [
4
117]
▪ 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 controller of the heat pump
convectors. There are different controllers and setups possible for the heat pump
convectors. For more information, see:
- The installation manual of the heat pump convectors
- The installation manual of the heat pump convector options
- The addendum book for optional equipment
▪ 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