Daikin EHVH16SU26CB6W [12/28] Operation
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Daikin EHVH16SU26CB6W [12/28] Operation

Daikin EHVH16SU26CB6W [12/28] Operation
4 Operation
User reference guide
12
EHVH04~16SU18+26CB6W
Daikin Altherma – Low temperature split
4P449981-1 – 2016.06
▪ At 00:00 the DHWtank is programmed to heat up the water to a
preset value (example: Storage comfort = 60°C).
▪ During the morning, you consume hot water and the DHW tank
temperature decreases.
▪ At 14:00 the DHWtank is programmed to heat up the water to a
preset value (example: Storage eco = 50°C). Hot water is
available again.
▪ During the afternoon and evening, you consume hot water again
and the DHWtank temperature decreases again.
▪ At 00:00 the next day, the cycle repeats.
In scheduled mode, you can do the following:
You can… Location
Read out the active or next scheduled desired
temperature.
DHWtank
temperature
home page
Overrule the active or next scheduled desired
temperature.
Condition:
is displayed on the DHWtank
temperature home page.
Activate the DHWtank booster mode.
Select a DHWtank temperature schedule. Menu structure
Program a DHWtank temperature schedule.
Define preset values that are used by the
DHWtank temperature schedule.
Program a booster heater allowance schedule
to restrict when the booster heater can operate.
Example: Only allow the booster heater to
operate during the night.
(Only for field supplied domestic hot water
pump for secondary return)
Program a domestic hot water pump schedule
to determine when to turn ON and OFF the pump.
When turned ON, the pump runs and makes sure
hot water is instantly available at the tap. To save
energy, only turn ON the pump during periods of
the day when instant hot water is necessary.
See also:
▪ "4.5.5Using the DHWtank temperature home page"on page12
▪ "4.5.6Using the DHWtank booster mode"on page13
▪ "4.7Preset values and schedules"on page16
4.5.4 Scheduled + reheat mode
In scheduled + reheat mode (
), the domestic hot water control is
the same as in scheduled mode. However, when the DHW tank
temperature drops below a preset value (=reheat tank temperature –
hysteresis value; example: 35°C), the DHW tank heats up until it
reaches the reheat set point (example: 45°C). This ensures that a
minimum amount of hot water is available at all times.
Example:
t
T
t
60°C
00:00 07:00
50°C
45°C
15°C
14:00 21:00
35°C
1
2
4
5
3
T
t
DHWtank temperature
t Time
60°C Storage comfort
50°C Storage eco
45°C Reheat
35°C Reheat tank temperature–hysteresis value
In scheduled + reheat mode, you can do the following:
You can… Location
Do the same things as in scheduled mode. —
Adjust the preset value (Reheat). Menu structure
See also:
▪ "4.5.3Scheduled mode"on page11
▪ "4.7Preset values and schedules"on page16
4.5.5 Using the DHWtank temperature home
page
Typical DHWtank temperature home pages
Depending on the user profile, the user interface gives you either a
basic or a detailed home page. The examples in the illustrations
below are in DHWtank mode = Scheduled.
User profile = Basic User profile = Detailed
15:20
60°C
Storage comfort
Tank
Mon
15:20
60°C
00:00
Mon
Tue
Tank
Storage comfort
To read out and adjust the desired reheat temperature (in
scheduled and reheat mode)
1 Go to [7.4.3.3]:
> User settings > Preset values > Tank
temperature > Reheat.
Result: You can read out the desired reheat temperature.
2 Press
or to adjust.
To read out and overrule the active or next scheduled desired
temperature (in scheduled mode or scheduled + reheat mode)
1 Go to the DHWtank temperature home page (Tank).
Result:
60°C
is displayed.
t
a
b
T
t
A1
A2 B1 B2 A1A1 A2 B1 B2 A1
T
t
T
t
DHWtank temperature
t Time

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