5
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Application guidelines
Installer reference guide
30
EPRA14~W1 + ETBH/9W
Daikin Altherma 3 H HT W
4P587501-1A – 2020.01
5.2.1 Single room
Underfloor heating or radiators – Wired room thermostat
Setup
A
B
a
A
Main leaving water temperature zone
B
One single room
a
Dedicated Human Comfort Interface (BRC1HHDA used as room thermostat)
▪
For more information about connecting the electrical wiring to the unit, see:
-
"8.2 Connections to the outdoor unit"
-
"8.3 Connections to the indoor unit"
▪
The underfloor heating or radiators are connected as follows:
-
Warm water → Indoor unit
-
Cold water → Outdoor unit
▪
The room temperature is controlled by the dedicated Human Comfort Interface
(BRC1HHDA used as room thermostat).
Configuration
Setting
Value
Unit temperature control:
▪
#: [2.9]
▪
Code: [C-07]
2 (
Room thermostat
): Unit operation
is decided based on the ambient
temperature of the dedicated Human
Comfort Interface.
Number of water temperature zones:
▪
#: [4.4]
▪
Code: [7-02]
0 (
Single zone
): Main
Benefits
▪
Highest comfort and efficiency
. The smart room thermostat functionality can
decrease or increase the desired leaving water temperature based on the actual
room temperature (modulation). This results in:
-
Stable room temperature matching the desired temperature (higher comfort)
-
Less ON/OFF cycles (more quiet, higher comfort and higher efficiency)
-
Lowest possible leaving water temperature (higher efficiency)
