8
Using the product
18
6.2
Setting the refrigerant: Press
[▲]
or
[▼]
to select the refrigerant and
press
[Menu/Enter]
to confirm.
Users have the option of setting up favorite refrigerants on the
instrument and in the app. These then appear at the beginning of the
refrigerant list.
To do this, the testo Smart App must be connected to the instrument via
Bluetooth.
In the refrigerant list (App), now choose the refrigerant as a favorite by
clicking on the star.
The new favorite refrigerant will now be synchronized to the
testo 550s
or
testo 557s
.
Note: During synchronization, the refrigerant list/selection on the
instrument must remain closed.
-
The newly set refrigerant is displayed in the refrigerant list.
7
Press the
[▲] (P=O)
key for 2 seconds to zero the sensors.
-
Zeroing takes place.
8
Pressurize the measuring instrument.
-
The measurement starts
automatically.
-
Measurement results are displayed:
•
Low/high pressure
•
Condensation (CO) and evaporation temperature (EV)
•
Suction and liquid line temperature
•
Superheating and subcooling
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.com
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