A
NNEXES
Decision flow of heating the domestic water by heat pump or by solar kit
Yes
No
DHW T U ≤
heat pump ON
temperature
DHW heating
No
enabled (by
schedule timer
or domestic
water heating
button)
DHW T SPS >
Yes
No
maximum
domestic hot water
tank temperature
DHW
Tank on
heating by
maximum
solar kit
allowed
temperature: no
more heating
allowed
DHW
Domestic Hot Water
DHW T SPS
Domestic Hot Water Temperature by the Solar Pump Station temperature sensor
DHW T U
Domestic Hot Water Temperature by the Unit temperature sensor
BH
Booster Heater
Installation and operation manual
12
Setting = 1
Solar priority
(no solar priority)
parameter
No
Solar energy
available (Solar
panel T > DHW T
SPS +10°C)
Yes
No
DHW T U ≤
heat pump ON
temperature
Yes
Yes
DHW
heating by
heat pump
No
DHW heating enabled
(by schedule timer or
domestic water heating
button)
DHW heating
only possible by
booster heater.
Refer to BH
decision flow
Setting = 0
(solar priority)
Yes
Solar energy
No
available
(Solar panel T
> DHW T SPS
DHW T U ≤ heat
+10°C)
pump ON
temperature
No
No
Yes
DHW T SPS >
maximum
domestic hot
water tank
temperature
DHW heating
by solar kit
Yes
DHW heating by
heat pump
Yes
DHW heating
Yes
enabled (by
schedule timer or
domestic water
heating button)
No
DHW heating
by heat pump
DHW heating only
possible by booster
heater. Refer to BH
decision flow.
Tank on maximum
allowed temperature:
no more heating
allowed
EKSOLHWAV1
Solar kit for air to water heat pump system
4PW41598-1H