perating and Installation
is dependent on several factors such as the number of calls made per
day or month, the number of inputs attached, etc. Some users may prefer to wait for a low
larm to be reported before sending a person the field to replace the pack.
prefer to replace the battery pack on a fixed schedule, regardless of the remaining battery
capacity. This approach has several trade
offs, which include higher reliabil
time but at the extra expense of purchasing
ies more often. There could
lower labor costs for the field technician if he or she is also servicing other
Replacement of internal battery packs is quic
k and convenient by pressing left
large plastic tab and pulling the pack out. Take care to not lose grip of the battery pack while
disconnecting the power connector from the CNI2 board. Battery replacement intervals will vary
the battery type (lithium vs. a
Acceptable cleaning and degreasing agents for the external surface of the CNI2 enclosure:
Mineral Spirits, Isopropyl Alcohol, mild soap and water, V
M&P Naptha, Fantastik, Windex, Joy
dishwashing soap, Top Job, Mr. Clean, Formula 409.
A regular program of performing inspection and maintenance on a CNI2 when in the field offers
a) Longer total service li
b) More reliability, less downtime
c) Decreased risk of potential hazards caused by deteriorating wires, etc.
will have their own internal policies for maintenance / inspection of equipment, which
includes regulators, turbine m
eters, pipelines, and electrical equipment to name just a few.
Some of these policies and s
statutory requirements that must be met,
and some are based on internal corporate experience where the benefits of regular
Physical inspection of the equipment is also necessary, with the following list provided as a
Check the condition and integrity of the cables leading into the CNI2. Long term
exposure to the elements may cause the cabl
e jacket to become brittle. Physical
or similar equipment is not uncommon. Maintaining the
cable in good condition will enhance the reliability and safety of the system.
Check for evidence of tampering, vandalism, or unintende
has attempted to tamper with the unit, there may be evidence of screwdriver pry marks
on the door of the enclosure. Such a unit should be serviced immediately, since the
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