Aiphone VY-5EM - Manual (Page 3)

I PRECAUTIONS ON INSTALLATION & WIRING ---------------------------------------------
A
CAUTION
if Do not connect any terminal on any unit to AC power lines to prevent fire or unit damage.
★ High voltage is present on the monitor unit inside. Do not open MY room monitor without first
unplugging the power supply, to prevent electric shock.
if Do not attempt to install or connect wires on VY-EM nor MY equipment while system’s power
supply is plugged in.
★ MY monitors and related equipment, except door station, are designed for indoor use only. Do not
install outdoors.
★ Do not connect any other power supply than specified on +, - on VY-EM and MY monitor. Doing so
can damage the equipment.
IMPORTANT
★ For system’s installation, there is no need to disassemble the equipment. Do not open any VY-EM
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 VY and MY 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.
★ VY/MY are an electrical devices, which must not be subjected to water, or any other liquid.
★ Weather conditions, such as lightning storms, may cause damage to VY-EM equipment. We
recommend that power surge protection be installed as follows: (However, this does not guarantee
that no damage will occur).
> 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 VY-EM & MY system, the contents on pages 4 - 1 2 must be
thoroughly read and understood.
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