Daikin EWAA016DAV3P - Page 30

6 | Application guidelines
Installer reference guide
30
EWAA011~016DA + EWYA009~016DA
Packaged air-cooled water chillers
and packaged air to water heat pumps
4P620242-1 – 2020.06
Underfloor heating or radiators – Wireless room thermostat
Setup
b
a
A
B
c
A Main leaving water temperature zone
B One single room
a User interface (delivered as accessory)
b Receiver for wireless external room thermostat
c Wireless external room thermostat
▪ For more information about connecting the electrical wiring to the unit, see
"9.2Connections to the outdoor unit"[478].
▪ The underfloor heating or radiators are directly connected to the outdoor unit –
or to the external backup heater kit, if there is one.
▪ 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 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.