Daikin Altherma 3 M - Page 36

6 | Application guidelines
Installer reference guide
36
EBLA09~16DA + EDLA09~16DA
Daikin Altherma 3 M
4P620241-1 – 2020.06
▪ Stylish.
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
A
M1
B
b
a
A Main leaving water temperature zone
B One single room
a User interface (delivered as accessory)
b Heatpump convectors (+ controllers)
▪ For more information about connecting the electrical wiring to the unit, see
"9.2Connections to the outdoor unit"[491].
▪ The heatpump convectors are directly connected to the outdoor unit – or to the
external backup heater kit, if there is one.
▪ 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
outdoor unit (X2M/35 and X2M/30).
▪ The space operation mode is sent by one digital output (X2M/4 and X2M/3) on
the outdoor 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.