Haier AB0142ACERA [23/27] Installation procedures
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Haier AB0142ACERA [23/27] Installation procedures

Haier AB0142ACERA [23/27] Installation procedures

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Installation Procedures 4 Purging method the refrigerant is R407C Liquid pipe To use vacuum pump 2 way valve Detach the service port s cap of 3 way valve the valve rod s cap for 2 way valve and 3 way s connect the service port into the projection of charge hose low for gaugemanifold Then connect the projection of charge hose center for gaugemanifold into vacuum pump 3 way valve Gaugemanifold JL Vacuum pump N Open the handle at low in gaugemanifold operate vacuum pump If the scale moves of gause low reach vacuum condition in a moment check again Open ___ 2 ______ 4_____________ Vacuumize for over 15min And check the level gauge which should read 0 1 MPa 76 cm Hg at low pressure side After the completion of vacuumizing close the handle Lo in gaugcmanifold and stop the operation of the vacuum pump Check the condition of the scale and hold it for 1 2min If the scale moves back in spite of tightening make flaring work again the return to the beginning of Close 2 way valve 3 way valve 90 Open the valve rod for the 2 way valve to and angle of anticlockwise 90 degree After 6 seconds later close the 2 way valve and male the inspection of gas leakage No gas leakage Service port 4 90 for 6 sec If it does not stop gas leakage discharge whole refrigerants from the scricc port After flaring work again and vacuumize fill up prescribed refrigerant from the gas cylinder In case of gas leakage tighten N parts of pipe connection If I leakage stops then proceed steps Detach the charge hose from the service port open 2 way valve and 3 way Turn the valve rod anticlockwise until hitting lightly 1 To prevent the gas leakage turn the service port s cap the valve rod d cap for 2 way valve and 3 way s a lottie more than the point where the torque increases suddenly 1 After attaching the each caps check the gas leakage around the caps 2 way valve 3 way valve Valve rod cap CAUTION Valve rod cap If the refrigerant of the air conditioner leaks it is necessary to make all the refrigerant out then charge the liquid refrigerant into air conditioner according to the amount marked on the name plate lervice port cap 21

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