Autool LM120 Plus Manual del usuario - Página 8

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G. Turn on the refrigerant valve and gently press the pressure release

valve to vent the air in the connecting hose.

H. 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.

I. 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.

J. After the filling is completed, shut the low pressure valve (blue valve) and

refrigerant valve. Let the refrigeration system running.

K. Shut down the refrigeration system, make sure all valves are turned off ,

then disconnect the instrument between refrigeration 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.