5
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Operation
User reference guide
35
EKHWET90~120BAV3
R32 Split series – Domestic hot water tank
4P680076-1 – 2021.11
2
Select which month to set.
Priority schedule
February
March
January
DHW
DHW
DHW
3
Select the priority schedule of that month.
Priority schedule
February
March
January
DHW
DHW
A/C
Example of possible outcomes based on scheduled Priority schedule are as
follow:
If …
Then heat pump operation = …
(a)
Which is
priority?
A/C request is
…
Can
outdoor
unit do
both?
(b)
DHW
Cooling
-
DHW, while A/C is put on hold
Heating
Yes
DHW and A/C together
No
DHW, while A/C is put on hold
A/C
Cooling
-
A/C, while DHW is by booster heater
Heating
Yes
DHW and A/C together
No
A/C, while DHW is by booster heater
(a)
Applicable if DHW and A/C requests happen at the same time, when outdoor ambient
temperature and tank target temperature are within operation range of outdoor unit.
(b)
Decided by outdoor unit.
INFORMATION
If the booster heater always takes over the DHW heat load due to setting
Priority
schedule
to
A/C
, electricity consumption will be considerably higher. For the
months where A/C heating/cooling is less important, it is recommended to set the
Priority schedule
to
DHW
.
INFORMATION
If
DHW
is set as priority and frequent DHW operation is expected, there is risk for
comfort problem due to interruption of A/C operation. For the months where A/C
heating/cooling is more important, it is recommended to set the
Priority
schedule
to
A/C
.
5.10 Operation mode
Choosing Operation mode for DHW
Depending on whether early booster heater operation is desired, two
DHW
operation modes can be chosen as follows:
