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Operation Procedure for Refrigerant Charge: Charge

NOTE:
  • Charge the A/C system with refrigerant. Refer to MEASUREMENT OF CHARGING AMOUNT .
  • Always charge the A/C system with refrigerant through low pressure side with engine running, however the initial charge is performed from the high pressure side with the engine stopped.
  • When replacing refrigerant container in the process of charging, replace refrigerant container referring to REPLACEMENT OF REFRIGERANT CONTAINER .

Specified amount of refrigerant 

530 ± 30 g (18.7 ± 1.1 oz) 

  1. Purge air in center charging hose as follows.
    1. Make sure that discharge side valve (Hi) (1) and suction side valve (Lo) (2) are closed.
    2. Install refrigerant container tap valve (4) to refrigerant container (3).
    3. Install center charging hose (5) to refrigerant container.
    4. Once fully tighten refrigerant container tap valve, loosen (open) it.
    5. Open air purge valve (6) of manifold gauge set, and purge air in center charging hose.
      Fig 1: Installing Center Charging Hose To Refrigerant Container
      G06526704Courtesy of SUZUKI OF AMERICA CORP.
  2. Charge refrigerant to high pressure side by the following procedure.
    WARNING: If the A/C compressor (2) is operated when charging the refrigerant to high pressure side, the high pressure refrigerant will flow backward and cause the hose or refrigerant container to burst, possibly resulting in a personal injury. Never operate the A/C compressor during charging.
    1. Open discharge side valve (Hi) (3) of manifold gauge (A) and charge refrigerant with engine stopped.
      Fig 2: Identifying A/C Compressor, Discharge Side Valve (Hi) And Manifold Gauge
      G06526705Courtesy of SUZUKI OF AMERICA CORP.
    2. After performing the initial charge from the high pressure side, close discharge side valve (Hi) and then disconnect high charging hose from high pressure charging valve. Refer to REMOVAL OF MANIFOLD GAUGE SET 
  3. Charge refrigerant to low pressure side by the following procedure.
    WARNING: When charging with refrigerant from low pressure side, make sure that high pressure side valve is closed and the hose is disconnected. Otherwise, it may cause explosion of refrigerant container by blowing back high pressure refrigerant.
    CAUTION: If the refrigerant container is turned upside down during charging, the liquid refrigerant will flow into the A/C compressor, and the A/C compressor will break if it is operated with liquid refrigerant in it. Never turn the refrigerant container upside down during charging.
    NOTE: When replacing refrigerant container, always perform purging air in center charging hose.
    1. Make sure that high pressure hose is disconnected.
    2. Start engine and operate A/C system under the condition of A/C system performance inspection, see A/C SYSTEM PERFORMANCE INSPECTION .
    3. Open suction side valve (Lo) (1) of manifold gauge set (A), and charge with specified amount of refrigerant.

      Measure specified amount of refrigerant. Refer to MEASUREMENT OF CHARGING AMOUNT .

      Fig 3: Identifying Suction Side Valve (Lo) And Manifold Gauge Set
      G06526706Courtesy of SUZUKI OF AMERICA CORP.
    4. After the system has been charged with specified amount of refrigerant, close suction side valve (Lo) of manifold gauge set.
  4. Stop engine and disconnect manifold gauge set. Refer to REMOVAL OF MANIFOLD GAUGE SET 
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