Aiphone My-Cu - Manual (Page 3)

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PRECAUTIONS ON INSTALLATION
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WIRING ------------------------------------- ----------
/K CAUTION
if Do not connect any terminal on any unit to AC power lines to prevent fire or unit damage.
if High voltage is present on the monitor unit inside.
Do not open MY-CU/MYH-CU without first unplugging the power supply, to prevent electric
shock.
★ Do not attempt to install or connect wires on MY-CU equipment while system’s power supply is
plugged in.
★ MY-CU and related equipment, except door station, are designed for indoor use only. Do not install
outdoors.
★ Do not connect any other power source than specified on terminals +, - . Doing so can damage the
MY-CU equipment.
★ For system’s installation, there is no need to disassemble the equipment. Do not open any MY-CU
system components unless properly qualified.
★ Any other manufacturer’s products installed with this system (door release, external signalling device,
etc.) are not covered under Aiphone’s warranty.
★ Do not mount MY-CU equipment in the following places, as it may cause the system to malfunction:
• High or extreme cold temperature areas: under direct sunlight, near equipment that varies in
temperature, in front of air-conditioner, inside a refrigerated area, etc.
• Places subject to moisture or humidity extremes.
• Places subject to environmental conditions, such as dust, oil, chemicals, etc.
★ MY-CU is an electrical device, which must not be subjected to water, or any other liquid.
★ Weather conditions, such as lightning storms, may cause damage to MY-CU equipment. We
recommend that power surge protection be installed as follows: (However, this does not guarantee
that no damage will occur).
MY-CU
If the power supply has a
GROUND terminal, take it to an
earth ground. In this case, a
separate surge arrester is not
necessary.
Before actually installing the MY-CU system, the contents on pages 4 ~ 10 must be thoroughly
read and understood.
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