Autool LM150 Benutzerhandbuch Seite 15

● Turn on the refrigerant valve and gently press the pressure
release valve to vent the air in the connecting hose.
●
When the refrigeration system stops, turn on the high pressure
valve (red valve) and fill with a certain amount of refrigerant
and then shut the valve quickly.
●
Run the refrigeration system, turn on the low pressure valve
(blue valve), and fill with the refrigerant into the refrigeration
system. Vacuum operation is required if it is filled initially or in
full with refrigerant. Refer to the section on vacuum operation.
●
After the filling is completed, shut the low pressure valve (blue
valve) and refrigerant valve. Let the refrigeration system running.
●
Shut down the refrigeration system, make sure all valves are
turned off , then disconnect the instrument between refrigera-
tion system and source. Do not remove the high pressure valve
connection until the pressure drops to the safe point. Then turn
off the instrument.
NOTE
The filling operation of different equipment or refrigerants may
vary. Please read carefully the relevant specific operation
requirements for filling operation, so as to avoid damage to
user or equipment caused by improper operation! ! !
● The instrument can display the corresponding Evaporation
Temperature (EV) and Condensation Temperature (CO) during
the refrigerant pressure test, as shown below:
●
If the clamp-on temperature probes are connected to the
instrument, LCD will display the real-time temperature in the
spot T1 Sensor and T2 Sensor, as shown below. Please make
sure clamp-on temperature probes are connected as step F
and contacted fully to the refrigeration pipes.
R
Ev
°C
kPa kPa
13
Co
°C