8 Using the product
29
9.2
Setting the refrigerant: Press
[▲]
or
[▼]
to select the refrigerant and
press
[Menu/Enter]
to confirm
.
-
The newly set refrigerant is displayed in the refrigerant list.
10
Press the
[▲] (P=O)
key for 2 seconds to zero the sensors.
-
Zeroing takes place.
11
Pressurize the measuring instrument.
-
The measurement starts automatically.
-
Measurement results are displayed:
•
Low/high pressure
•
Condensation and evaporation temperature
•
Suction and liquid line temperature
•
Superheating and subcooling
•
Target superheat TSH
8.2.5
Compressor Test (DLT)
For this mode, 3 temperature probes are used. In addition to the conventional
temperature sensors for superheating and subcooling, an additional temperature
probe must be connected via Bluetooth.
The testo 115i (clamp thermometer) or fixed cable probes are used to
carry out the measurement.
Before each measurement, check that the refrigerant hoses are in
perfect condition.
Before each measurement, zero the pressure sensors.
The instrument is switched on and the measurement menu is
displayed.
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