Vollrath FC-6IH-04208-FF handleiding
Handleiding
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Refrigerated and Non-Refrigerated Cold Pan and Frost Top Drop-Ins
UL GUIDANCE FOR PRODUCTS WITH R290 REFRIGERANT CONTINUED
WARNING
Prior to beginning work on systems containing FLAMMABLE REFRIGERANTS, safety checks are necessary to
ensure that the risk of ignition is minimized. For repair to the REFRIGERATING SYSTEM, the following steps shall be completed
prior to conducting work on the system.
Work procedure
• Work shall be undertaken under a controlled procedure so as to minimize the risk of a flammable gas or vapour being
present while the work is being performed.
General work area
• All maintenance sta and others working in the local area shall be instructed on the nature of work being carried out. Work in
confined spaces shall be avoided.
Checking for presence of refrigerant
• The area shall be checked with an appropriate refrigerant detector prior to and during work, to ensure the technician is
aware of potentially toxic or flammable atmospheres. Ensure that the leak detection equipment being used is suitable for
use with all applicable refrigerants, i.e., non-sparking, adequately sealed, or intrinsically safe.
Presence of fire extinguisher
• If any hot work is to be conducted on the refrigerating equipment or any associated parts, appropriate fire extinguishing
equipment shall be available on hand. A dry chemical or CO2 fire extinguisher should be adjacent to the charging area.
No ignition sources
• No person carrying out work in relation to a REFRIGERATING SYSTEM which involves exposing any pipe work shall use any
sources of ignition in such a manner that it may lead to the risk of fire or explosion. All possible ignition sources, including
cigarette smoking, should be kept suciently far away from the site of installation, repairing, removing and disposal, during
which refrigerant can possibly be released to the surrounding space. Prior to work taking place, the area around the
equipment shall be surveyed to make sure that there are no flammable hazards or ignition risks. “No Smoking” signs shall be
displayed.
Ventilated area
• Ensure that the area is in the open or that it is adequately ventilated before breaking into the system or conducting any
hot work. A degree of ventilation shall continue during the period that the work is carried out. The ventilation should safely
disperse any released refrigerant and preferably expel it externally into the atmosphere.
Checks to the refrigerating equipment
• Where electrical components are being changed, they shall be fit for the purpose and to the correct specification. At all
times, Vollrath® maintenance and service guidelines shall be followed. If in doubt, consult the Vollrath® technical department
for assistance.
The following checks shall be applied to installations using FLAMMABLE REFRIGERANTS:
A. The actual REFRIGERANT CHARGE is in accordance with the room size within which the refrigerant containing parts are
installed,
B. The ventilation machinery and outlets are operating adequately and are not obstructed,
C. If an indirect refrigerating circuit is being used, the secondary circuit shall be checked for the presence of refrigerant,
D. Marking to the equipment continues to be visible and legible. Markings and signs that are illegible shall be corrected,
E. Refrigerating pipe or components are installed in a position where they are unlikely to be exposed to any substance which
may corrode refrigerant containing components, unless the components are constructed of materials which are inherently
resistant to being corroded or are suitably protected against being so corroded.
Checks to electrical devices
Repair and maintenance to electrical components shall include initial safety checks and component inspection procedures. If a
fault exists that could compromise safety, then no electrical supply shall be connected to the circuit until it is satisfactorily dealt
with. If the fault cannot be corrected immediately but it is necessary to continue operation, an adequate temporary solution shall
be used. This shall be reported to the owner of the equipment, so all parties are advised. Initial safety checks shall include:
A. That capacitors are discharged: this shall be done in a safe manner to avoid possibility of sparking;
B. That no live electrical components and wiring are exposed while charging, recovering or purging the system;
C. That there is continuity of earth bonding.
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Productinformatie
| Merk | Vollrath |
| Model | FC-6IH-04208-FF |
| Categorie | Niet gecategoriseerd |
| Taal | Nederlands |
| Grootte | 1216 MB |
