Docking
General
F2025 can be installed in several different ways. The requisite
safety equipment must be installed in accordance with cur-
rent regulations for all docked options.
See www.nibe.eu for more docking options.
When docking with F2025, a total water volume, in the
boiler and accumulator, of at least 20 litres boiler water per
kW output on the heat pump is recommended.
Abbreviations
Shut-off valveAV
Circulation pumpCP1
Included in SMO 10Temperature sensor, flow pipeFG1
Auxiliary relayHR
Charge pumpLP
Included in SMO 10Return temperature sensorRG1
Control valveRV
Included in F2025Particle filterSF
Shunt valveSV
Safety valveSÄV
Drain valveTV
Outside sensorUG
Heating thermostatVT
Hot water sensorVVG
F2025 docked with VVM 300 (floating condensing)
FIGHTER 2020
VVM 300
AV
AV
SÄV
SF
RC
TV
UG
)
990
F2025 -6, -8 and -10 can be connected to VVM 300. F2025
is controlled by VVM 300. F2025 works with floating con-
densing against the heating system and prioritises hot water
charging in VVM 300.
If F2025 cannot meet the heating requirement, additional
heat is shunted in from VVM 300. If the outdoor temperature
drops below the set stop temperature, VVM 300 engages
and takes over heating.
NOTE
To prevent interference, sensor cables and communic-
ation cables must be separated (min 20 cm) from high
voltage cables when cable routing.
F20258
For the Installer
Docking
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