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Application guidelines
Installer reference guide
36
EPRA14~18D + ET23E
Daikin Altherma 3 H HT F
4P644739-1A – 2022.03
Setup
B
A
D
E
C
a
b
a
A
Additional leaving water temperature zone
B
Room 1
C
Room 2
D
Main leaving water temperature zone
E
Room 3
a
Heat pump convectors (+ controllers)
b
Dedicated Human Comfort Interface (BRC1HHDA used as room thermostat)
▪
For the main zone: the room temperature is controlled by the dedicated Human
Comfort Interface (BRC1HHDA used as room thermostat).
▪
For the additional zone:
-
The external thermostat is directly connected to the indoor unit.
-
The desired room temperature is set via the external thermostat and the
thermostatic valves of the radiators in each room.
-
The heating demand signal from the external thermostat is connected to the
digital input on the indoor unit (X2M/35a and X2M/30). The indoor unit will
only supply the desired additional leaving water temperature when there is an
actual demand.
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.
Note:
▪
Main room = dedicated Human
Comfort Interface used as room
thermostat functionality
▪
Other rooms = external room
thermostat functionality
Number of water temperature zones:
▪
#: [4.4]
▪
Code: [7-02]
1 (
Dual zone
): Main + additional
Summary of Contents for ETVZ16E6V7
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