Underfloor heating or radiators – Multiple external room thermostats
EPRA14~18D + ETVH16SU18+23E
Daikin Altherma 3 H HT F
4P644738-1A – 2022.03
A Main leaving water temperature zone
B Room 1
C Room 2
a Dedicated Human Comfort Interface (BRC1HHDA used as room thermostat)
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For more information about connecting the electrical wiring to the unit, see:
-
"9.2 Connections to the outdoor
-
"9.3 Connections to the indoor
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The underfloor heating of the main room is directly connected to the indoor unit.
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The room temperature of the main room is controlled by the dedicated Human
Comfort Interface (BRC1HHDA used as room thermostat).
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A thermostatic valve is installed before the underfloor heating in each of the
other rooms.
INFORMATION
Mind situations where the main room can be heated by another heating source.
Example: Fireplaces.
Configuration
Setting
Unit temperature control:
▪
#: [2.9]
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Code: [C-07]
Number of water temperature zones:
▪
#: [4.4]
▪
Code: [7-02]
Benefits
▪
Easy. Same installation as for one room, but with thermostatic valves.
Setup
A Main leaving water temperature zone
B Room 1
C Room 2
a External room thermostat
b Bypass valve
▪
For more information about connecting the electrical wiring to the unit, see:
-
"9.2 Connections to the outdoor
-
"9.3 Connections to the indoor
6
|
4
unit" [
108]
4
unit" [
116]
2 (Room thermostat): Unit operation
is decided based on the ambient
temperature of the dedicated Human
Comfort Interface.
0 (Single zone): Main
B
C
A
M1
M2
a
a
4
unit" [
108]
4
unit" [
116]
Application guidelines
Value
b
Installer reference guide
41