Daikin ETVH16SU23EA6V [41/296] Application guidelines

Daikin ETVH16SU23EA6V [41/296] Application guidelines
6 | Application guidelines
Installer reference guide
41
EPRA14~18DAV3+W1 + ETVH16SU18+23EA6V
Daikin Altherma 3 H HT F
4P644738-1 – 2021.02
A Main leaving water temperature zone
B Room 1
C Room 2
a Dedicated Human Comfort Interface (BRC1HHDA used as room thermostat)
For more information about connecting the electrical wiring to the unit, see:
- "9.2Connections to the outdoor unit"[4105]
- "9.3Connections to the indoor unit"[4112]
The underfloor heating of the main room is directly connected to the indoor unit.
The room temperature of the main room is controlled by the dedicated Human
Comfort Interface (BRC1HHDA used as room thermostat).
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 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
Easy. Same installation as for one room, but with thermostatic valves.
Underfloor heating or radiators – Multiple external room thermostats
Setup
M1
M2
CB
a
b
a
A
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 unit"[4105]
- "9.3Connections to the indoor unit"[4112]

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