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【Heater safety device】· The heater should first be located outdoors and in a well-ventilated room, and secondly, it should always provide enough fresh circulating air, and a well-ventilated area means that there must be 25% of the open space.· Always maintain a minimum distance from flammable objects. At least 40 cm long at the top and 60 cm at the periphery, and keep a minimum distance of 2 cm from the non-collecting small covering, while preventing them from fluttering around due to air currents.· The heater must be firmly placed on the level ground.· It is forbidden to place heaters in areas with explosive gases, such as gasoline or other flammable liquids.· For the heating of the protected area to be less affected by high winds, screws should be used to confine the chassis to the ground.【Leak Detection】The gas pipeline link section was inspected at the factory. However, due to the possibility of being placed indiscriminately or subjected to excessive pressure during shipment, the firmness of the pipe must be checked in a specific place in advance:· The cylinder must have a slower liquefied gas during leak detection to ensure the test pressure· Ensure the safety control valve is in the "OFF" position· Open the LPG cylinder valve· Use a mixture of dish soap and water, and use a watering can or brush, rag and other tools to apply the liquid to the pipe joint, if there are air bubbles, it indicates air leakage here· If there is a gas leak at this time, immediately close the LPG cylinder valve, tighten the parts at the leakage, and then open the LPG cylinder valve and test until there is no air leakage· Do not smoke when detecting air leaksNote: Re-ignition after use must wait 5 min for the hot reflective lid to cool and then follow the "light the heater".【Extinguish the heater】Turn the control button clockwise to the OFF position to completely close the valve on the liquefied gas cylinder【Storage】· After use, completely close the valve on the liquefied gas cylinder· Go down the pressure reducing valve and unscrew the nut connecting the hose clockwise· Check whether the gas valve is loose or damaged, and if there is damage, replace it with a new one·Do not store liquefied gas cylinders in basements and places without proper air circulation【Cleaning & Maintenance】· Wipe off the dust on the surface of the heater with a damp rag, clean the sprayed surface with a suitable detergent, and prohibit wiping the heater with flammable corrosive organic solvents· Remove the ash from the head of the heater and keep it clean for safe use