Insulating The Hydraulic Connections; Overflow Valve; Inspecting And Setting Up The Overflow Valve - Alpha-InnoTec LWC Series Operating Manual

1 permanent bleeder
If no further steps follow, install the bottom front
panel.
notICe.
once the heat pump, the heating circuit
and the hot water circuit have been rinsed,
the bleed program of the heating and heat
pump regulator must be started, after the
control element has been mounted.
insulating the hydraulic
connections
Insulate the vibration decouplers and the pipes of the
heating circuit.
notICe.
Insulate in accordance with applicable
local standards and directives.
We reserve the right to modify technical specifications without prior notice.
UK830504/210627

Overflow valve

inspeCting and setting up the overflow valve
© Alpha-InnoTec GmbH
notICe.
Make sure to perform the following steps
within a relatively short time. the heat
pump switches to high-pressure fault if
the maximum return flow temperature is
exceeded.
make sure that the system is running in the heating
mode (ideally in cold condition)...
With the heating curve set low, switch the system
to "forced heating"...
operating manual of the heating and heat pump
regulator.
Shut off valves to heating circuit...
make sure that the volume flow is channeled 100%
through the overflow valve...
Read the forward flow and return flow temperatures
in the heating and heat pump regulator...
operating manual of the heating and heat pump
regulator.
Turn the adjusting knob of the overflow valve until
the temperature difference (= spread) between the
forward and return flow is between 5 and 9 K...
1 Adjusting knob
2 overflow valve
notICe.
turning the adjusting knob:
– clockwise = increases spread.
– counterclockwise = decreases spread.
open valves to heating circuit.
Reset the heating and heat pump regulator.
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