ACS 653, ACS 663 Service Manual
SP00D00624 2021-04-08Robert Bosch GmbH
5
Before operating
the machine, read and follow all instructions and warnings in this manual. The operator must
be familiar with air conditioning and refrigeration systems, refrigerants, and the dangers of
pressurized components. If the operator cannot read this manual, all operating instructions
and safety precautions must be read and discussed in the operator’s native language.
Using the machine in a manner for
which it was not designed will compromise the machine and nullify the protections provided.
Do not overll the internal
storage vessel (ISV), because overlling may cause explosion resulting in personal injury
or death. Do not recover refrigerants into a nonrellable container; use only type-approved
rellable containers that have a pressure relief valve.
Contact with
refrigerant may cause personal injury, including blindness and frozen skin. Wear protective
equipment, including goggles and gloves. Disconnect hoses using extreme caution.
Ensure the phase has been completed before disconnecting the machine to prevent the
release of refrigeration to the atmosphere.
Refrigerant
reduces the oxygen available for breathing, resulting in drowsiness and dizziness. Exposure
to high concentrations of refrigerant causes asphyxiation, injury to the eyes, nose, throat,
and lungs, and can aect the central nervous system. Use the machine in locations with
mechanical ventilation that provides at least one air change per hour. If accidental system
discharge occurs, ventilate the work area before resuming service.
Such a precaution
is necessary to prevent the possible presence of refrigerant in the working environment.
The refrigerant R1234yf (for ACS 663 only) is heavier than air and tends to concentrate
in the pits of the workshop.
do not use the machine in the vicinity of spilled or open
containers of gasoline or other ammable substances.
do not use an extension cordAn extension cord may
overheat and cause re. If you must use an extension cord, use the shortest possible cord
with a minimum size of 14 AWG.
, do not use the machine in the vicinity of ames and
hot surfaces. Refrigerant decomposes at high temperatures, freeing toxic substances to
the environment which are noxious to the user.
, do not use the machine in environments containing
explosive gases or vapors.
Do not use this machine in ATEX classied zones
or areas. Protect the machine from conditions that may cause electrical failure or other
hazards relating to ambient interaction.
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