Daikin Altherma 3 R ECH2O, Operation Manual

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5 Operation
Operation manual
6
EBSH/X(B)11+16P30+50DF
Daikin Altherma 3 R ECH ₂ O
4P663485-1 – 2021.07
Zone Go to …
Main zone – Cooling [2.6] Main zone > Cooling WD
curve
Additional zone – Heating [3.5] Additional zone >
Heating WD curve
Additional zone – Cooling [3.6] Additional zone >
Cooling WD curve
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.
X1 X2
c
d
Y1
Y2
Y3
Y4
a b
Offset . When offset is changed,
the new preferred temperature at
X1 is equally higher as the
preferred temperature at X2.
Y1
Y2
Y3
Y4
X1 X2
a b c
d
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
Y1
Y2
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 OFF" [
4
11]
▪ "5.6 Space heating/cooling control" [
4
12]
▪ "5.8 Schedule screen: Example" [
4
14]
▪ "5.9 Weather-dependent curve" [
4
15]
▪ User reference guide
4.3 Domestic hot water
To turn tank heating operation ON or OFF
NOTICE
To ensure safe operation of the system, do NOT turn off
DHW when space heating is required.
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 .
Operation
Tank Off
On Space heating/cooling
C.3
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 storage tank temperature. The
resulting domestic hot water temperature depends on this setpoint
as well as the actual storage tank temperature.
1 Go to [5]:
Tank
.
Tank
5
2 Adjust the domestic hot water temperature.
+
–
50
°C
5
a b
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.
More information
For more information, see also:
▪ "5.4 Turning operation ON or OFF" [
4
11]
▪ "5.7 Domestic hot water control" [
4
13]
▪ "5.8 Schedule screen: Example" [
4
14]
▪ User reference guide
5 Operation
INFORMATION
Cooling is only applicable in case of reversible models.