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2. PRE-OPERATION PROCEDURES
Installation Precautions & Preparations
1. Ground wire MUST be connected properly
DKN302C/DKN402C/DKN602C models are rated for 115V AC power supply.
・ Ground wire must be connected to a proper grounding line or teminal in order to prevent
electric shock.
・ Never connect ground wire to gas lines or water pipes.
・ Never connect ground wire to telephone grounding lines or to lightning conductor rods.
Doing so may result in fire or electrical shock.
・ Never insert multiple plugs into a single outlet. Doing so may result in power cable
overheating, fire or drop in voltage.
Connect power cable to grounded outlet!
・ DKN412C/612C/812C/912C models are rated for 220V AC power supply. Before
connecting these models, confirm facility power supply is set up to properly deliver required
voltage supply.
2. Choose an appropriate installation site
・ where installation surface is not completely level, not even or not clean.
・ where flammable or corrosive gases/fumes may be present.
・ where external temperature will exceed 35ºC, will fall below 5ºC or will fluctuate.
・ in excessively humid or dusty locations.
・ where there is constant vibration.
・ where power supply is unstable or erratic.
・ in direct sunlight or outdoors.
Install DKN-C series unit in a location with sufficient space, as specified as below.
DKN302C/402C/412C/602C/612C are equipped with exhaust ports in top panel
.DKN812C/912C are equipped with exhaust ports in rear panel. Be sure these ports
remain unobstructed with adequate space to disspate outgoing heat.
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