Special Safety Instructions And Warnings For Cabinets With R-290 (Propane) Refrigerant - AHT Kinley Serie Manual De Instrucciones

Safety
Special safety instructions and warnings
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for cabinets with R-290 (propane) refrigerant
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WARNING
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• Refrigerants R-290 and R-600a belong to safety group A3 pursuant to DIN EN 378-1. The refrigerant used is
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shown on the rating plate.
• The refrigerant is highly flammable. In case of leakage, refrigerant can escape and cause an explosive gas/air
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mixture. This may subsequently lead to fire and explosion with resulting fire risk. Ignition sources (heat, sparks,
open flames, hot surfaces) should therefore be kept at a distance.
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• Liquid refrigerant causes frostbite on the skin. Protect the hands and face from contact with liquid/leaking
refrigerant. Wear safety goggles and protective gloves.
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• Do not close vents in the appliance housing (equipment room). If accessories have to be installed, care must be
taken to ensure that no air vents are closed.
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• Comply with minimum distances from boundary walls and other equipment, so as not to obstruct the circula-
tion of air. → See Chapter 5 for minimum distances.
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• Do not use mechanical devices or other means (e.g. scrapers) to accelerate the defrosting procedure, except
those recommended by the manufacturer.
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• Do not damage the refrigerant circuit.
• Do not use electrical appliances (e.g. wet vacuum) inside the refrigerated cabinet, except those of a design
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recommended by the manufacturer (explosion protection marking).
• Work on the electrical system and the refrigeration system must be carried out by AHT-authorised persons only
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(personnel trained in the handling of flammable refrigerants). Furthermore, opening of the refrigerant circuit
and extraction of the refrigerant may only be performed in well-ventilated rooms or in the open air.
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• Before undertaking any maintenance work, the appliance must be taken out of service by disconnecting the
mains plug(s). The appliance must be completely disconnected from the power supply.
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• Properly dispose of equipment containing flammable R-290 refrigerant and equipment with insulating foam
(thermal insulation polyurethane foam containing pentane). Inquire at your local authority about the safety-
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related and statutory disposal regulations.
AHT cabinets have been designed to ensure they are environmentally friendly and easy to dispose of. Neither the
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R-290 refrigerant nor the propellant pentane (for the insulating foam) have the potential to deplete ozone, nor
do they contribute to the greenhouse effect.
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