New Tester to know the amount of refrigerant gas within the plant the smart test is an instrument that lets you check quickly and simply the installation of air conditioning units and, if necessary, add refrigerant gas. Operate the air conditioning system Connect the smart test the load valve of the system Check the colour of the area in which place the hand (Blue, Green, Red) depending on the colour on which the cursor is placed, proceed as follows. Blue Area (Low). Connect the smart test to the cylinder of refrigerant gas. To leverage on the special trigger for five seconds and wait for at least five minutes. Check then again the positioning of the indicator: If has reached the area of green, the operation is completed and you can disconnect the equipment; otherwise, repeat the operation by reducing the pressure on the trigger time (4 seconds, 3 seconds,...). Green (filled) area. The Air Conditioning System that is happening contains the right amount of refrigerant gas. It is therefore can disconnect the equipment without further action. Red Area (warning). The installation of the air conditioning reviewed has a problem for which it is recommended to seek medical advice to a service centre. Attacks/Male 1/4 inch 5/16 Inch Female
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