NF HVA4321, Instruction Manual

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7.2 Inspection
HVA4321
7-2
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For cleaning the air filter, remove dirt completely with diluted neutral detergent. After rinsing, dry
the filter completely and install it on the unit.
Clean the air filter regularly. Clogging of the filter deteriorates cooling efficiency and may cause a failure.
7.2 Inspection
・ Power cable Check for broken shield, or looseness or crack of the plug.
・
High voltage cable Check for broken shield, or split or crack of the connector.Be sure to use
the accompanying high voltage cable for connection to the output terminal.
・
Front area Make sure that the HIGH VOLTAGE POWER SUPPLY switch can be
locked.
A cable with broken shield or disconnected wire may cause electric shock. Do not use such cable.
7.3 When the unit is not used for a long time
・ Remove the power cable from the outlet and the unit.
・
Store the unit in a shelf or rack, free from falling objects and dust.
If the unit may be covered with dust, cover the unit with a cloth or a polyethylene cover.
・ Avoid storage at a place subject to extreme temperature change or direct sunlight. Store the unit in the
environment at normal temperature.
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CAUTION
WARNING