20
Subject to change without notice | 83059000gUK – Translation of the original operating manual | ait-deutschland GmbH
The “Set bypass valve” menu item is set by default to
“No”. The overflow valve adjustment function is deac
-
tivated.
●
The UWP control signal is the indication of the
currently required pump capacity in %
● If the flow rate is the current flow rate (measuring
ac/- 200 l/h)
1.
Fully open the overflow valve, close the heating
circuit.
2. Set the menu point “Set bypass valve” from “No”
to “Yes” and so the circulation pump is controlled
with 100% – the pump starts up.
3. If the UWP control signal reaches 100%, close
overflow valve far enough that the max. flow
rate (
“Technical data / Scope of supply”,
page 23) can be assured.
1 Overflow valve
2 Adjusting knob
4. If you leave the “Set bypass valve” menu or
after one hour at the latest, the circulation pump
switches back to its standard regulation.
5. Open valves to heating circuit.
12 Commissioning
CAUTION
The unit may only be started up if the air
ducts, weather and/or rain louvres have
been installed and the facing panels are
closed.
Relevant planning & design data of the system is
documented in full.
The competent energy supplier has been notified
of operation of the heat pump system.
System is air-free.
Installation check using the rough checklist has
been completed successfully.
1.
Ensure that the following points are fulfilled
completely:
● Clockwise rotating load infeed field is present at
the compressor
●
The system is installed and mounted in accord-
ance with this operating manual
●
The electrical installation has been carried out
properly in accordance with this operating manual
and local regulations
●
The power supply for the heat pump is equipped
with an all-pole circuit-breaker with at least 3 mm
contact spacing (IEC 60947-2)
●
The level of the tripping current is compliant
● Heating circuit is flushed and vented
● All shut-off devices of the heating circuit are open
●
The pipe systems and components of the system
are leak-tight
2. Fill out carefully and sign the notice of completion
for heat pump systems.
3. In Germany: Send notice of completion for
heat pump systems and rough checklist to
the manufacturer’s factory customer service
department.
In other countries: Send notice of completion for
heat pump systems and rough checklist to the
manufacturer’s local partner.
