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Application guidelines
Installer reference guide
30
EPRA14~W1 + ETBH/9W
Daikin Altherma 3 H HT W
4P587501-1B – 2020.10
▪
The underfloor heating or radiators are connected as follows:
-
Warm water → Indoor unit
-
Cold water → Outdoor unit
▪
The room temperature is controlled by the wireless external room thermostat
(optional equipment EKRTR1).
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.
Benefits
▪
Wireless.
The Daikin external room thermostat is available in a wireless version.
▪
Efficiency.
Although the external room thermostat only sends ON/OFF signals, it
is specifically designed for the heat pump system.
▪
Comfort.
In case of underfloor heating, the wireless external room thermostat
prevents condensation on the floor during cooling operation by measuring the
room humidity.
Heat pump convectors
Setup
A
B
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:
-
"8.2 Connections to the outdoor unit"
-
