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Description And Operation

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WARNING:
  • Only qualified technicians are allowed to work on air conditioning (A/C) systems.
  • Air conditioning (A/C) system components can become particularly hot or cold.
  • Make sure that the air conditioning (A/C) system is at ambient temperature before carrying out any repair.
  • When handling refrigerants, always wear protective goggles and gloves made of fluoroelastomer. Leather or fabric gloves are not suitable.
  • SKIN CONTACT: If liquid refrigerant comes into contact with the skin, it produces severe frostbite. Immediately flush affected areas with plenty of cold running water for 15 minutes. Seek medical attention.
  • EYE CONTACT: If refrigerant comes into contact with the eyes, immediately flush the eyes with plenty of running water for 15 minutes. Seek medical attention.
  • INHALED: Toxic gases generated when refrigerant is heated are hazardous to health. The gases have an irritating smell and can cause lung damage. The symptoms can continue for a long time after having been in contact with the gases. The gases can cause lung damage even if the amount of gas in the air is too small to smell.
  • Refrigerant is flammable and explosive.
  • Make sure that refrigerant bottles are not exposed to temperatures greater than 45°C.
  • Make sure that the local regulations regarding work on air conditioning (A/C) systems are adhered to.
  • Make sure that refrigerant bottles are closed properly.
  • Gaseous refrigerant has a higher density than air. There is a danger of suffocation when working close to the ground or in workshop pits.
  • Provide adequate ventilation when handling refrigerant.
  • Never release refrigerant into the atmosphere.
  • Only use special tools, equipment and lubricants that are approved for the type of refrigerant being used.
  • Always follow the manufacturer's instructions for the correct servicing unit operating procedure.
CAUTION:
  • Do not mix refrigerant oils for different types of refrigerant.
  • Never mix different types of refrigerant or equipment intended for them.
  • Only use refrigerant in gas form when filling the system through the low-pressure connection.
  • Only use refrigerant in liquid form when filling the system through the high-pressure connection.
  • Refrigerant attacks certain plastics. Only use seals suitable for refrigerant.
  • If the air conditioning (A/C) compressor is damaged, the fixed orifice tube can become blocked with metal particles.
  • Any sort of blockage in the refrigerant circuit will damage the air conditioning (A/C) compressor irreparably.
  • If the air conditioning (A/C) system has been opened for a period greater than 2 hours, a new receiver drier must be installed and the evacuating time to be increased by a minimum of 2 hours.
NOTE:
  • New air conditioning (A/C) compressors are delivered prefilled.
  • Refrigerant oil in new air conditioning (A/C) compressors can contain Teflon, visible as white particles, which will not harm the system.
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