ADS Environmental Services IETG FlowHawk QR 775012 A4 - Manual (Page 12)

Introduction 1-5
because the Telog unit does not possess IS certification, the
installation will not be considered intrinsically safe if the Telog unit
is installed in the manhole with the monitor.
Installation and IS Considerations
When installing the FlowHawk flow monitor, carefully follow any
local regulations for the installation of IS equipment. For example,
many clients only allow the use of special hazardous area tools
(flashlights, radios, etc.) in manholes. Some clients will not allow
the use of an electric drill, either battery-powered or AC-powered,
in a manhole. Under these conditions, use air (pneumatic) tools.
When in doubt as to the applicable regulations, check with the client
or the client’s designated safety representative.
Special Conditions for Safe Use
During the ATEX/IECEx approval process, certain conditions are
set forth that must be observed when using the certified equipment.
These “Special Conditions for Safe Use” can be found in the body
of each ATEX Certification (referenced in this manual), as well as
on a page attached to the Declaration of Conformity. A summary of
these Safe Use Instructions is as follows:
• The Models 8000-FHK and 8000-FHK-60C shall use only the
12-volt IS Battery Pack (p/n 8000-0043) for internal power.
• The Models 8000-FHK and 8000-FHK-60C shall be used in
the hazardous area only when fully assembled. Do not perform
any maintenance of internal parts, replacement of battery packs,
or replacement of fuses unless the unit is located in a safe area.
• Only approved sensors shall be connected to the Models 8000-
FHK and 8000-FHK-60C: sensor types 8K-CS1, 8K-CS3, 8K-
CS4, and 8K-CS5.