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Application guidelines
Underfloor heating or radiators – Wireless room thermostat
Installer reference guide
30
Setup
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
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For more information about connecting the electrical wiring to the unit, see
"9.2 Connections to the outdoor
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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
Unit temperature control:
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#: [2.9]
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Code: [C-07]
Number of water temperature zones:
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#: [4.4]
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Code: [7-02]
External room thermostat for the main
zone:
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#: [2.A]
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Code: [C-05]
Benefits
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Wireless. The Daikin external room thermostat is available in a wireless version.
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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.
B
A
a
c
b
4
unit" [
78].
1 (External room thermostat):
Unit operation is decided by the
external thermostat.
0 (Single zone): Main
1 (1 contact): When the used
external room thermostat can only send
a thermo ON/OFF condition. No
separation between heating or cooling
demand.
Value
EWAA011~016DA + EWYA009~016DA
Packaged air-cooled water chillers
and packaged air to water heat pumps
4P620242-1 – 2020.06