Daikin EHVZ04S18EA6V, Installer'S Reference Manual

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6 | Application guidelines
Installer reference guide
34
ERGA04~08EA + 08S18+23EA
Daikin Altherma 3 R F
4P629093-1A – 2021.11
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 user interface.
Note:
▪ Main room = user 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
In case of heat pump convectors:
External room thermostat for the
additional zone:
▪ #: [3.A]
▪ Code: [C-06]
1 ( 1 contact ): When the used
external room thermostat or heat pump
convector can only send a thermo ON/
OFF condition.
Shut-off valve output Set to follow the thermo demand of the
main zone.
Benefits
▪ Comfort. The smart room thermostat functionality can decrease or increase the
desired leaving water temperature based on the actual room temperature
(modulation).
▪ Efficiency.
- Depending on the demand, the indoor unit supplies different leaving water
temperature matching the design temperature of the different heat emitters.
- Underfloor heating has the best performance with the heat pump system.
6.3 Setting up the domestic hot water tank
6.3.1 System layout – Integrated DHW tank
A
a
b
A Domestic hot water
a Cold water IN
b Hot water OUT