Haier DW-25L92FL, Operation Manual

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DW-30L278FL/278SF

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Dear user's:
Thanks for your choice of Laboratory Deep Freezer with explosion-proof interior, please make sure 
you have carefully read and observed the contents with following signs in the manual, for better 
understanding of this manual and better use of this product, so as to prevent personal injuries and 
damage.

Close down the gas leaking valve and open the door and windows for ventilation in case of 
leakage of infl ammable gas like coal gas etc., do not insert or pull out the power plug of the 
freezer, otherwise it may trigger and explosion and fi re.

Only the professional technicians or after-sale service men can install this freezer. Otherwise it 
may result in an electric shock or fi re.

Make sure to place the freezer fi rmly on a solid and fl at groud. If the ground is not stable or it 
is not properly placed, it will cause overturn of the freezer or personnel injury.

Please use the dedicated power supply indicated on the nameplate of the freezer, or 
otherwise, it may cause a fi re or electric shock.

If it is required to lengthen the power cord, the section area of the lengthen cord must not be 
less than 2mm

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 and the length shall not be longer than 3m. Otherwise, it may cause a fi re or 

electric shock.

The power cord of this freezer is provided with a three-wire(earthing) plug, complying with the 
standard 10A three-wire(earthing) socket. Never cut or remove the earting pin of the power 
cord in any case. Make sure that the power plug and socket is inserted tightly and reliably, 
otherwise it may result in a fi re.

Please use an earthed power supply socket for fear of electric shock.

If the power socket is not earthed, be sure to have the earth wire installed by a professional 
technician.

Do not use the freezer in the open air.When the freezer gets wet in the rainwater, it may cause 
leakage of electricity or electric shock.

Do not place the freezer in a damp site or a place where ir may easily suffer from spraying 
water. Otherwise, it may cause leakage of electricity or electric shock due to degeneration of 
its insulation.

Do not pour water onto the freezer in a direct inclined way, otherwise it may cause an electric 
shock or a short circuit.

Safety Precautions