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4 Quick guide
Zone
Main zone – Cooling
Additional zone – Heating
Additional zone – Cooling
2 Change the weather-dependent curve.
There are 2 types of WD curves: slope-offset curve (default),
and 2-points curve. If needed, you can change the type in
[2.E] Main zone > WD curve type. The way to adjust the
curve depends on the type.
Slope-offset curve
Slope. When slope is changed,
the new preferred temperature at
X1 is unequally higher than the
preferred temperature at X2.
a
b
c
d
Y4
Y3
Y2
Y1
X1
X2
X1, X2
Outdoor ambient temperature
Y1~Y4
Desired leaving water temperature
a
WD curve before changes
b
WD curve after changes
c
Slope
d
Offset
Possible actions on this screen
Select slope or offset.
Increase or decrease the slope/offset.
When slope is selected: set slope and go to offset.
When offset is selected: set offset.
Confirm changes and return to the submenu.
2-points curve
Y2
Y1
X1
X2
X1, X2
Outdoor ambient temperature
Y1, Y2
Desired leaving water temperature
Possible actions on this screen
Go through the temperatures.
Change the temperature.
Go to the next temperature.
Confirm changes and proceed.
More information
For more information, see also:
▪
"5.4 Turning operation ON or
control" [ 4 12]
▪
"5.6 Space heating/cooling
▪
"5.8 Schedule screen:
Example" [ 4 14]
curve" [ 4 15]
▪
"5.9 Weather-dependent
▪ User reference guide
Operation manual
6
Go to ...
[2.6] Main zone > Cooling WD
curve
[3.5] Additional zone >
Heating WD curve
[3.6] Additional zone >
Cooling WD curve
Offset. When offset is changed,
the new preferred temperature at
X1 is equally higher as the
preferred temperature at X2.
a
b
c
d
Y4
Y3
Y2
Y1
X1
X2
OFF" [ 4 11]
4.3
Domestic hot water
To turn tank heating operation ON or OFF
NOTICE
Disinfection mode. Even if you turn OFF tank heating
operation ([C.3]: Operation > Tank), disinfection mode will
remain active. However, if you turn it OFF while
disinfection is running, an AH error occurs.
1 Go to [C.3]: Operation > Tank.
C.3
Operation
Space heating/cooling
On
Tank
Off
2 Set operation to On or Off.
To change the tank temperature setpoint
In Reheat only mode, you can use the tank temperature setpoint
screen to read out and adjust the domestic hot water temperature.
1 Go to [5]: Tank.
5
Tank
2 Adjust the domestic hot water temperature.
a
b
5
50
°C
Tank
a Actual domestic hot water temperature
b Desired domestic hot water temperature
In other modes, you can only view the setpoint screen but not modify
it. Instead, you can modify the settings for the Comfort setpoint
[5.2], Eco setpoint [5.3] and Reheat setpoint [5.4].
INFORMATION
In situations when very low or no DHW consumption is
anticipated, a tank temperature setpoint of ≤45°C can
result in colder than expected DHW temperatures when
using Reheat
only mode. In such situations, it is
recommended to switch to one of the following modes:
▪ Schedule only
▪ Schedule + reheat
More information
For more information, see also:
▪
"5.4 Turning operation ON or
control" [ 4 13]
▪
"5.7 Domestic hot water
Example" [ 4 14]
▪
"5.8 Schedule screen:
▪ User reference guide
+
–
OFF" [ 4 11]
EBVZ16S18+23D
Daikin Altherma 3 R F
4P643606-1B – 2022.08
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