Perfect Aire 2SPOT6800 handleiding
Handleiding
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6
SAFETY & PRECAUTIONS
CONTINUEDCONTINUED
(Continued)
SAFETY & PRECAUTIONS
CABLING
• Check that cabling will not be subject to wear,
corrosion, excessive pressure, vibration, sharp
edges or any other adverse environmental
eects. The check shall also take into account
the eects of aging or continual vibration from
sources such as compressors or fans.
DETECTION OF FLAMMABLE
REFRIGERANTS
• Under no circumstances, should potential
sources of ignition be used in the searching for
or detection of refrigerant leaks. A halide torch
(or any other detector using a naked ame)
should not be used.
• The following leak detection methods are
deemed acceptable for systems containing
ammable refrigerants. Electronic leak detectors
shall be used to detect ammable refrigerants, but
the sensitivity may not be adequate, or may need
re-calibration. (Detection equipment should be
calibrated in a refrigerant-free area.) Ensure that
the detector is
not a potential source of ignition and is suitable for
the refrigerant used. Leak detection equipment
should be set at a percentage of the LFL of the
refrigerant and shall be calibrated to the refrigerant
employed and the appropriate percentage of gas
(25% maximum) is conrmed.
• Leak detection uids are suitable for use with
most refrigerants but the use of detergents
containing chlorine shall be avoided as the
chlorine may react with the refrigerant and
corrode the copper pipework.
• If a leak is suspected, all naked ames should be
removed/ extinguished. If a leakage of refrigerant is
found which requires brazing, all of the refrigerant
should be recovered from the system, or isolated
(by means of shut o valves) in a part of the system
remote from the leak. Removal of refrigerant shall
be according to Removal and evacuation.
REMOVAL AND EVACUATION
• When breaking into the refrigerant circuit to make
repairs—or for any other purpose - conventional
procedures shall be used. However, for ammable
refrigerants it is important that best practice is
followed since ammability is a consideration.
• The following procedure shall be adhered to:
• Remove refrigerant
• Safely remove refrigerant following
local and national regulations;
• Evacuate;
• Purge the circuit with inert gas
(optional for A2L);
• Evacuate (optional for A2L);
• continuously ush or purge with inert gas
when using ame to open circuit; and
• open the circuit.
• The refrigerant charge should be recovered
into the correct recovery cylinders, if venting
is not allowed by local and national codes. For
appliances containing ammable refrigerants,
the system shall be purged with oxygen-free
nitrogen to render the appliance safe for
ammable refrigerants. This process might
need to be repeated several times. Compressed
air or oxygen shall not be used for purging
refrigerant systems.
• For appliances containing ammable
refrigerants, refrigerants purging shall be
achieved by breaking the vacuum in the system
with oxygen-free nitrogen and continuing to
ll until the working pressure is achieved, then
venting to atmosphere, and nally pulling down
to a vacuum (optional for A2L).
• This process shall be repeated until no
refrigerant is within the system (optional for A2L).
When the nal oxygen-free nitrogen charge
is used, the system shall be vented down to
atmospheric pressure to enable work to take
place. The outlet for the vacuum pump shall not
be close to any potential ignition sources, and
ventilation shall be available.
WARNING
For using R32 refrigerant
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Productinformatie
| Merk | Perfect Aire |
| Model | 2SPOT6800 |
| Categorie | Airco |
| Taal | Nederlands |
| Grootte | 2474 MB |
