Commissioning and adjusting
35
FIGHTER 1140
Air is initially released from the hot water and venting
may be necessary. If bubbling sounds can be heard
from the heat pump, the entire system requires further
venting. When the system has stabilised (correct
pressure and all the air removed) the heating controls
can be set at the required values.
Check the fluid level in the level vessel (85). If the
level has dropped, close the valve under the vessel.
You can then fill through the connection at the top of
the vessel. After filling, open the valve again.
To raise the pressure, close the valve on the incoming
main pipe when the brine pump (KBP) is running and
the level vessel (NK) is open, so that water is drawn in
from the vessel.
Readjusting, collector side
Readjusting, heating
medium side
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