Safety And Precautions; Environmental; Esd; Emc - ASL INTERCOM VAR4 Operation Manual

24 24 Safety and Safety and
Precautions Precautions
24.1 24.1

Environmental

Environmental
Always ensure adequate ventilation is provided for Always ensure adequate ventilation is provided for
the equipment and do not obstruct ventilation the equipment and do not obstruct ventilation
holes. holes.
The temperature and humidity ranges shown in The temperature and humidity ranges shown in
the specifications for this product must not be the specifications for this product must not be
exceeded. exceeded.
This equipment must not be installed in an area This equipment must not be installed in an area
that is subject to a corrosive atmosphere, that is subject to a corrosive atmosphere,
excessive moisture or may allow water or other excessive moisture or may allow water or other
liquids to come into contact with the unit or its liquids to come into contact with the unit or its
external connections. external connections.
In the close proximity to some radio frequency In the close proximity to some radio frequency
transmitters, the signal to noise ratio of this transmitters, the signal to noise ratio of this
product may be reduced. If this occurs, relocate product may be reduced. If this occurs, relocate
the equipment or the signal cables. the equipment or the signal cables.
24.2 24.2

ESD

ESD
This product contains static-sensitive devices. This product contains static-sensitive devices.
Observe ESD precautions when working on the Observe ESD precautions when working on the
equipment with the cover removed. equipment with the cover removed.
24.3 24.3

EMC

EMC
EN 55103-2. AM RF 0.15 MHz to 1 GHz EN 55103-2. AM RF 0.15 MHz to 1 GHz
ITU/R 562-3 impairment level 4 – Perceptible but ITU/R 562-3 impairment level 4 – Perceptible but
not annoying. not annoying.
Full performance information available on request. Full performance information available on request.
24.4 24.4

Lithium Battery

Lithium Battery
There is a danger of explosion if the There is a danger of explosion if the
!
!
internal RTC backup battery in the internal RTC backup battery in the
VAR Router is incorrectly replaced. VAR Router is incorrectly replaced.
Ensure Ensure the the
observed. Replace only with the observed. Replace only with the
same or equivalent type (DURACELL same or equivalent type (DURACELL
CR2032 or equivalent). Dispose of CR2032 or equivalent). Dispose of
battery battery carefully carefully
environmental environmental
dispose of battery in a fire. dispose of battery in a fire.
VAR4 / VAR12 / VAR20 - Operation Manual
correct correct polarity polarity is is
to to avoid avoid
damage. damage. Do Do not not
Is sue: 03 complete, approved
Page 302 of 308 Page 302 of 308
24.5

Electrical Safety

Always replace blown fuses with the correct type
and rating.
Ensure power supply cabling is adequately rated
for the unit's operating current and protected, in
case of short circuit, by a correctly rated fuse or
circuit breaker. This is particularly important for
supply feeds from the 24 V back-up batteries
which can deliver short-circuit currents of several
hundred amps.
24.6

Unpacking and Handling

This equipment is heavy. Please lift
! !
and handle with care to avoid strain
or drop injuries.
The equipment should
inspected immediately on receipt. If damage has
occurred please advise your carrier or supplier.
It is advisable to retain the original equipment
packing in the event that the equipment ever
needs returning for service.
Ensure that the name and address of the
Authorised Distributor from whom you purchased
the unit is recorded on the
page of this manual for future reference.
This equipment contains electronic devices that
are sensitive to electrostatic discharge. Please
take precautions to avoid damage to the
electronics by static electricity.
oved
be unpacked and
"Service and Warranty"