Handleiding
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NOTE:
The use of silicon sealant may inhibit the eectiveness of some types of leak detection equipment.
Intrinsically safe components do not have to be isolated prior to working on them.
8. Repair to intrinsically safe components
Do not apply any permanent inductive or capacitance loads to the circuit without ensuring that this
will not exceed the permissible voltage and current permitted for the equipment in use. Intrinsically
safe components are the only types that can be worked on whilelive in the presence of a ammable
atmosphere. The test apparatus shall be at the correct rating. Replace components onlywith parts
specied by the manufacturer. Other parts may result in the ignition of refrigerant atmosphere from a
leak.
9. 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.
10.Detection of ammable refrigerants
Under no circumstances shall 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) shall not be used.
11.Leak detection methods
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 shall 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 shall 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 pipe-
work.
- If a leak is suspected, all naked ames shall be removed/ extinguished.
- If a leakage of refrigerant is found which requires brazing, all of the refrigerant shall be recovered
from the system, or isolated (by means of shut o valves) in a part of the system remote from the leak.
- Oxygen free nitrogen (OFN) shall then be purged through the system both before and during the
brazing process.
12.Removal and evacuation
- When breaking into the refrigerant circuit to make repairs - or for any other purpose conventional
procedures shall be used. However, it is important that best practice is followed since ammability is
a consideration.
The following procedure shall be adhered to:
- Remove refrigerant;
- Purge the circuit with inert gas;
- Evacuate;
- Purge again with inert gas;
- Open the circuit by cutting or brazing.
The refrigerant charge shall be recovered into the correct recovery cylinders.The system shall be
“ushed” with OFN to render the unit safe. This process may need to be repeated several times.
Compressed air or oxygen shall not be used for this task. Flushing shall be achieved by breaking to
ll until the working pressure is achieved, then venting to atmosphere, and nally pulling down to a
vacuum. This process shall be repeated until no refrigerant is within the system. When the nal charge
is used, the system shall be vented down to atmospheric pressure to enable work. This operation is
absolutely vital if brazing operations, on the pipe-work are to take place. Ensure that the outlet for the
SAFETY INSTRUCTIONS
Bekijk gratis de handleiding van Whirlpool SPICR 309W, stel vragen en lees de antwoorden op veelvoorkomende problemen, of gebruik onze assistent om sneller informatie in de handleiding te vinden of uitleg te krijgen over specifieke functies.
Productinformatie
| Merk | Whirlpool |
| Model | SPICR 309W |
| Categorie | Airco |
| Taal | Nederlands |
| Grootte | 38326 MB |
Caratteristiche Prodotto
| Kleur van het product | Wit |
| Ingebouwd display | Ja |
| Soort | Binneneenheid airconditioning |
| Gebruikershandleiding | Ja |
| Koelend medium | R32 |
