General Precautions - Aiphone AX-248C Installation And Operation Manual

PRECAUTIONS
General Prohibitions
Prohibition on Subjecting the Unit to Water
WARNING
(Negligence could result in death or serious injury to people)
1. High voltage is present internally. Do not open the case. Electric shock could
result.
2. Do not dismantle or alter the unit. Fire or electric shock could result.
3. Do not connect any non-specified power source to the +, - terminals, and do not
install two power supplies in parallel to a single input. Fire, damage to the unit,
or system malfunction could result.
4. Keep the unit away from water or any other liquid. Fire or electric shock could
result.
5. Do not put any metal or paper into the unit through the openings. Fire or
electric shock could result.
6. Do not plug or unplug with wet hands. Electric shock could result.
7. Keep AC plug away from moisture or dust. Fire could result.
8. Keep AC cord from being marred or crushed. If the AC cord is fractured, fire or
electric shock could result.
9. Do not use a power supply with a voltage other than specified. Fire or electric
shock could result.
10. Insert AC plug completely and securely into AC outlet. Otherwise, fire or
electric shock could result.
11. The unit is not of explosion-proof. Do not install or use near gases or
flammable materials. Fire or explosion could result.
CAUTION
(Negligence could result in injury to people or damage to property)
1. Before turning on power,make sure wires are not crossed or shorted. Fire or
electric shock could result.
2. When mounting the unit on wall, install the unit in a convenient location, but
not where it could be jarred or bumped. Injury could result.
3. Do not install or make any wire terminations while power supply is plugged in.
It can cause electrical shock or damage to the unit.
4. Do not install the unit in any of the following locations. Fire, electric shock, or
unit trouble could result.
∗
Places under direct sunlight, or near heating equipment that varies in
temperature.
∗
Places subject to dust, oil, chemicals, hydrogen sulfide (hot spring).
∗
Places subject to moisture and humidity extremes, such as bathroom, cellar,
greenhouse, etc.
∗
Places where the temperature is quite low, such as inside a refrigerated area or
in front of air-conditioner.
∗
Places subject to steam or smoke (near heating or cooking surfaces).
∗
Where noise generating devices such as dimmer switches, invertor electrical
appliances, are closeby.
5. On products with ground terminals, connect to an earth ground. Fire or
malfunction could result.
6. For DC powered systems, use Aiphone power supply model specified with
system. If non-specified product is used, fire or malfunction could result.
7. Do not put anything on or cover the unit with cloth, etc. Fire or unit trouble
could result.
8. Do not put high pressure on the monitor cover. If fractured, injury could result.
9. If LCD is punctured, do not allow contact with the liquid crystal inside.
Inflammation could result. If necessary, gargle your mouth and clean your eyes
or skin with clear water for at least 15 minutes, and consult your doctor.
10. Do not mount the unit in a place subjected to constant vibration or impact. If
jarred or knocked off the wall, injury could result .

GENERAL PRECAUTIONS

1. All the units, except for door station, is designed for indoor use only. Do not
use outdoor.
2. In areas where broadcasting station antennas are close by, the intercom system
may be affected by radio frequency interference.
3. If a cellular phone is used close by, the unit may malfunction.
4. This product, being a control unit of door release, should not be used as a crime-
prevention device.
5. It must be noted in advance that the LCD panel, though manufactured with very
high precision techniques, inevitably will have a very small portion of its
picture elements always lit or not lit at all. This is not considered a unit
malfunction.
6. Door station is weather-resistant, but do not spray high-pressure water. Unit
trouble could result.
7. Keep the unit more than 1 m away from Radio or TV set.
8. For wiring, specify CAT5e straight cable.
9. Due to the environmental sound around the unit, it may hinder smooth
communication, but this is not a malfunction.
10. When outside temperature lowers sharply after rainfall, etc., the inside of
camera may fog up slightly, causing a blurry picture, but this is not a
malfunction. Normal operation will be restored when moisture evaporates.
Prohibition to Dismantle the Unit
General Precautions
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