Prohibitions and precautions, Operation, Installation – Aiphone MC-D User Manual
Page 2: Installation location requirements, Before you operate and install the equipment
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BEFORE YOU OPERATE AND INSTALL THE EQUIPMENT
— Prohibitions and precautions —
OPERATION;
DO NOT HOLD HOOK SWITCH DOWN WHILE PICKING UP HANDSET. THE CHIME
TONE SOUNDS THRU THE HANDSET RECEIVER ELEMENT AND COULD CAUSE
HEARING DAMAGE.
INSTALLATION;
1.
DO NOT CONNECT ANY TERMINAL ON ANY UNIT TO AC POWER LINES.
When you mount MC units in place of existing bell or chime, be sure to disconnect wires
from the present transformer.
DO NOT OPEN THE MC-D UNIT, WITHOUT FIRST REMOVING PLUG OF PS-24N
POWER SUPPLY FROM AC OUTLET.
Do not drop or apply mechanical shocks which may damage the CCD unit.
Avoid mnning the connecting wires thru doors, windows or between furniture, which
may pinch and disconnect the wires.
INSTALLATION LOCATION REQUIREMENTS
Select the MC-D installation location, observing the following conditions.
1
.
Avoid to install MC-D in the locations that would be exposed to direct sunlight, temperature/humidity extremes, water,
oil, dust, iron dust, inflammable and chemical products, etc.
If the strong light source is behind the person standing at the door station and there is not illuminating lamp spotlighting
the face, the face will appear dark on the room station monitors. This situation can occur when buildings create shadows
on entry areas.
If gate/porch light is not provided, a separate illumination light must be installed to prevent the above and/or to illuminate
the caller during night. The AlPHONE Relay Unit MAW-B is available, to turn on the illumination light when the caller
presses call button on the MC-D station.
(For installation information, see the Instructions packed with MAW-B unit).
NOTE: While
CALL
MC-D is exposed to direct sunlight or strong light (approx. 30,000 lux), the auto-iris is activated just when
4. Taking the adults’ average height in consideration, please decide most suitable height of MC-D door station. It is suggested
that the center of a camera lens be installed at an adults’ average height minus 10 cm (4").
MAINTENANCE
1. Clean your MC-D unit with a soft cloth dampened with neutral household cleanser. Never use thinner nor benzine, etc.
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