ConrmtheIBN–assistantormakethesettingvia:
Service>>Settings>>Energyecient
circulation pump:
The“Setoverowvalve”menuitemissetbydefaultto
“No”.Theoverowvalveadjustmentfunctionisdeac-
tivated.
● The UWP control signal is the indication of the
currently required pump capacity as a %
● Theactualowrateisthecurrentowrate(meas-
uring accuracy +/- 200 l/h)
1. Fully open the overow valve, close the heating
circuits.
2. If the “Set overow valve”menuitemissetfrom
“No” to “Yes”, the circulation pump is activated to
100% – and the pump starts up.
3. If the control signal UWP reaches 100%, close
theoverowvalvetotheextentthatthemaximum
owrate(seetechnicaldata)canbeensured.
Overowvalve(2)rotary-pushbutton(1)
4. Ifyouexitthe“Setoverowvalve”menuoratthe
latest after one hour, the circulation pump switch-
es back to standard regulation.
5. Open valves to heating circuit.
11 Commissioning
The relevant planning and design data of the system
is documented in full.
The relevant energy supply company has been
notiedoftheoperationoftheheatpumpsystem.
The system is air-free.
Installation check using the rough checklist has
been completed successfully.
1. Ensurethatthefollowingpointsarefullledcom-
pletely:
● Clockwiserotatingeldispresentfortheload
supplyatthecompressor(for400Vconnec-
tion only).
● The system is installed and mounted accord-
ing to this operation manual.
● The electrical installation has been carried out
properly according to this operation manual
and the local regulations.
● The power supply for the heat pump is
equipped with an all-pole circuit-breaker with
atleast3mmcontactspacing(IEC60947-2).
● The tripping current is complied with.
● Theheatingcircuithasbeenushedandvented.
● All shut-o devices of the heating circuit are
open.
● The pipe systems and components of the sys-
tem are tight.
2. Carefully ll in and sign the notice of completion
for the heat pump systems.
3. In Germany and Austria: Send the notice of comple-
tion for heat pump systems and rough checklist to
the manufacturer’s factory customer service depart-
ment.
In other countries: Send the notice of completion
for heat pump systems and rough checklist to the
manufacturer’s local partner.
4. Arrange for the heat pump system to be com-
missioned by the manufacturer’s authorised after
sales service for a fee.