About Domestic Hot Water Control; Reheat Mode - Daikin EHFZ-D3V User Reference Manual

4.5.1 About domestic hot water control

4.5.2 Reheat mode

EHFZ03S18DJ3V
Daikin Altherma 3 R F
4P596825-1A – 2021.10
Depending on the DHW tank mode (installer setting), you use a different domestic
hot water control:
▪ Reheat mode
▪ Scheduled mode
▪ Scheduled + reheat mode
To determine which DHW tank mode you are using (method 1)
Check the installer settings table filled in by the installer.
To determine which DHW tank mode you are using (method 2)
Prerequisite: User profile = Detailed.
1 Go to the DHW tank temperature home page (Tank).
2 Check which icons are displayed:
If... is displayed
In reheat mode ( ),the DHW tank continuously heats up to the temperature shown
on the DHW tank temperature home page (example: 50°C).
T t
60°C
50°C
40°C
15°C
00:00
T Domestic hot water tank temperature
t
t Time
INFORMATION
When the DHW tank mode is reheat, the risk for capacity shortage and comfort
problem is significant. In case of frequent reheat operation, space heating/cooling
function is regularly interrupted.
In reheat mode, you can do the following:
Read out the desired reheat temperature.
Adjust the reheat temperature.
Condition: is displayed on the DHW tank temperature
home page.
Activate the DHW tank booster mode.
Then the DHW tank mode =...
Reheat mode
Scheduled mode
Scheduled + reheat mode
1 3
2
4
07:00 14:00 21:00
You can...
4 Operation
|
t
Location
DHW tank
temperature home
page
User reference guide
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