MacKay Guardian SOLO, Operation And Maintenance Manual

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MacKay Guardian™ Solo
Operation and Maintenance Guide, v. 1.5
The Solo will automatically switch back to the rechargeable battery pack when it has
been recharged to a preset level by the solar panel.
7)
The Solo is activated by either the insertion of a coin or a card, if enabled, or by pressing
one of the selection buttons on the front of the meter.
3.2 Field Serviceability
1)
The Solo is designed so that metallic and non-metallic foreign objects can be cleared
from the coin chute and card reader slot under varied weather conditions within three
minutes.
2)
The Solo returns to full functionality after being cleared and reset. No special tools are
required. It may be necessary to set the time of day clock using the PDT if the battery
has been disconnected for an extended period. In most cases the Solo will automatically
retrieve the current date and time from the remote network as soon as the cellular radio
connects to the cellular network.
3.3 Power Supply
1)
All battery packs are normally shipped from the factory installed but unplugged from the
meters and without dielectric grease applied. Lithium-Ion batteries are always shipped
fully charged when they leave the factory.
2)
The battery packs are factory shrink-wrapped and supplied with a non-reversible plug-in
connector. A label is found on one side of the battery pack. The label has the date of
manufacture as well as a label to mark the battery pack installation date.
3)
The alkaline 6-D battery pack will provide an average operational service life of 12
months, if specific assumptions of power use are not surpassed. Replacement battery
packs should always be new, and have been properly stored and handled according to
the battery manufacturer’s specifications prior to use. A new battery pack has a
measured, unloaded (open terminal) battery voltage of 9.0 volts or slightly higher. Note
that previously unused battery packs that have an older manufacture date, should be
used first, before battery packs with a newer manufacture date. Note that packs that
have been sitting on the shelf, unused for an extended period, will not give the same
operational service life as fresh new batteries.
4)
A "Low Battery" icon on the front LCD will be activated when the Solo detects that the
battery voltage is near the end of its operational service life (TBD volts). The amount of
operational service life remaining, after the low battery icon is activated, is dependant on
many factors including actual usage, and will vary between 5 and 30 days. If the battery
is not replaced during this time, the Solo will shut down without further warning or
indication when it detects that a specific absolute minimum battery threshold has been
maintained for a 24-hour period. A battery pack is to be considered at or near its “low
battery” threshold, and should not be used, if it has a measured, unloaded (open
terminal) battery voltage of approximately TBD volts or less.
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