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T
ECHNICAL SPECIFICATIONS
• Maximum operating pressure of the connections to and from the solar pump station
• Maximum operating pressure of the connections to and from the indoor unit and connections to and from the domestic hot water
tank heat exchanger
• Minimum/maximum ambient temperature
• Minimum/maximum fluid temperature
• Heat transfer liquid (solar side)
A
NNEXES
Decision flow of heating the domestic water by heat pump or by solar kit
Yes
DHW T I/U ≤
No
heat pump ON
temperature
No
DHW heating
enabled (by
schedule timer
or domestic
water heating
button)
DHW T SPS >
No
maximum
Yes
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 I/U
Domestic Hot Water Temperature by the Indoor Unit temperature sensor
BH
Booster Heater
EKSOLHWAVJU
Solar kit for air to water heat pump system
4PW54234-1
Setting = 1
Solar priority
(no solar priority)
parameter
Solar energy
No
available (Solar
panel T > DHW T
SPS +18°F
(10°C))
DHW T I/U ≤
Yes
No
heat pump ON
temperature
Yes
DHW
heating by
heat pump
No
DHW heating
only possible by
booster heater.
Refer to BH
decision flow
Setting = 0
(solar priority)
Yes
Solar energy
available
(Solar panel T
> DHW T SPS
+18°F (10°C))
Yes
No
DHW T SPS >
maximum
domestic hot
water tank
temperature
DHW heating enabled
(by schedule timer or
domestic water heating
button)
Yes
DHW heating by
heat pump
362.60 psi (2.5 MPa)
39.2/95°F (4/35°C)
33.8/212°F (1/100°C)
No
DHW T I/U ≤ heat
Yes
pump ON
temperature
No
DHW heating
enabled (by
schedule timer or
domestic water
heating button)
No
Yes
DHW heating
by solar kit
Tank on maximum
allowed temperature:
no more heating
allowed
Installation and operation manual
43.51 psi (0.3 MPa)
propylene glycol
Yes
DHW heating
by heat pump
DHW heating only
possible by booster
heater. Refer to BH
decision flow.
15
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