Function Instructions; Refrigerant Filling And Pressure Inspection - Autool Lm150 Benutzerhandbuch

FUNCTION INSTRUCTIONS

Refrigerant
filling and
pressure
inspection
● Turn off the blue valve and red valve.
●
Power on the instrument. Then make sure if the LCD displays
pressure test status as below picture. If not, press the Mode
button to switch it.
● If the temperature probe accessories have been connected to
the instrument, the real-time temperature will be displayed. If
not, no display of it.
● Press R+/R- buttons, Unit button and °C/°F button to select
tested refrigerant and reading display respectively.
●
When the instrument is turned on, there may be 10 digits in the
high and low pressure display area. At this time, press the zero
button long until it returns to zero.
● Connect the instrument to the refrigeration system according
to the chart below. (pay attention to the direction of the refriger-
ant flowing!!!!! )
R
T1 Sensor
°C
Ev
°C
kPa
R
T1 Sensor T2 Sensor
°C °C
SH SC
°C °C
kPa kPa
12
T2 Sensor
°C
Co
°C
kPa