Setting Up The Storage Tank; System Layout - Integrated Storage Tank; Selecting The Volume And Desired Temperature For The Storage Tank - Daikin ERGA06EAV3H Installer's Reference Manual

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Application guidelines

6.4 Setting up the storage tank

6.4.1 System layout – Integrated storage tank

6.4.2 Selecting the volume and desired temperature for the storage tank

Installer reference guide
54
Configuration
Via the user interface (configuration wizard):
Set the backup heater voltage
Set the capacity steps, if applicable
a
A Domestic hot water
a Cold water IN
b Hot water OUT
People experience water as hot when its temperature is 40°C. Therefore, the DHW
consumption is always expressed as equivalent hot water volume at 40°C.
However, you can set the storage tank temperature at a higher temperature
(example: 53°C), which is then mixed with cold water (example: 15°C). The
resulting domestic hot water temperature depends on this setpoint as well as the
actual storage tank temperature.
Determining the DHW consumption
Answer the following questions and calculate the DHW consumption (equivalent
hot water volume at 40°C) using typical water volumes:
Question
How many showers are needed per
day?
How many baths are needed per day?
How much water is needed at the
kitchen sink per day?
Are there any other domestic hot water
needs?
Example: If the DHW consumption of a family (4 persons) per day is as follows:
3 showers
1 bath
3 sink volumes
Then the DHW consumption = (3×100 l)+(1×150 l)+(3×10 l)=480 l
A
1 shower = 10 min×10 l/min = 100 l
1 bath = 150 l
1 sink = 2 min×5 l/min = 10 l
ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF
b
Typical water volume
Daikin Altherma 3 R ECH₂O
4P678716-1 – 2022.01
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