General Information
Air Conditioning (A/C) System Health and Safety Precautions
WARNINGS:
- 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 45C.
- 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.
CAUTIONS:
- 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.
NOTE: 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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Air Conditioning (A/C) System Health and Safety Precautions
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