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48
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For Home Owners
'10 • HM-T-149
Comfort setting hot water
Comfort setting hot water
The integrated water heater is a coil model and is heated by
circulating water, which is heated by the heat pump.
During “normal” consumption it is enough to run the heat
pump to supply the different tapping points of the house with
hot water. The temperature of the hot water in the water heater
then varies between the set values.
Undersection1.0[N]Hotwatertemp.onpage93thereisa
complete description of menu settings for hot water
temperatures.
Available volume
<HMA100V, HMA100VM>
8ℓ/min
12ℓ/min
16ℓ/min
0
100
200
300
400
500
600
50 53 56 59 62 65
Stop temp. HW (°C )
Supply water volume (
ℓ
)
Hot water volume
*
This graph is based on the following conditions :
Inlet water temperature : 15°C
Outlet water temperature : 40°C
Outdoor air temperature : 7°C
Start temp. HW setting :
55°C (Stop temp. HW setting is 58°C or higher)
Stop temp. HW -3°C (Stop temp. HW setting is
lower than 58°C )
<HMS140V>
MT300
HotwaterSupplyisunlimitedincase8
ℓ
/min at the condition
as the capacity is bigger than hot water supply.
MT500
Prioritizing
When the water temperature in the tankdrops, heat pump
operation shifts to hot water production. In case there is
demand for both hot water and heating/cooling for long time,
operation mode is periodically switched between hot water and
heating/cooling. For details, see Menu 1.0 Hot water temp and
Menu8.5.0Periodsettings.
Extra Hot Water
Inall “Extrahotwater”functions,thetemperatureofthehot
waterincreasestemporarily.Thetemperatureisrstincreased
to an adjustable level by the compressor (Menu 1.5) and then
the electric heater is energized until the water temperature
reaches the stop temperature (Menu 1.4).
Temporary“Extrahotwater”isactivatedmanually,whilsttime
based extra hot water is activated using the settings made in the
control computer.
When:
■ “A”appearsabovethe
icon, temporary extra hot water
is active.
■ “B”appearsabovethe
icon, time based extra hot water
is active.
NOTE
“ Extra hot water” usually means that the electric heater
is activated regardless of Allow add heat setting (menu
8.2.1) and therefore increases the electrical
consumption.
8ℓ/min
12ℓ/min
16ℓ/min
0
100
200
300
400
500
600
50 53 56 59 62 65
Stop temp. HW (°C )
Supply water volume (
ℓ
)
Hot water volume
*
This graph is based on the following conditions :
Inlet water temperature : 15°C
Outlet water temperature : 40°C
Outdoor air temperature : 7°C
Start temp. HW setting :
55°C (Stop temp. HW setting is 58°C or higher)
Stop temp. HW -3°C (Stop temp. HW setting is
lower than 58°C )