02/11/98
3
Link 1000
INTRODUCTION
Congratulations! You have purchased a powerful instrumentation and control system. In
order to understand, use, and install it, PLEASE read this manual!! It is as short as possible
and provides important information. Please contact us with suggested improvements. For
Link 1000
installation and operation questions please call Heart Interface. For warranty
support and repair please call Cruising Equipment.
This symbol is used to point out very important sections of this manual or to indicate
items that may need to be changed through Set Up routines. Please take the time to read
these sections.
The following warnings must be considered during the installation of the
Link
1000
. Failure to read and follow these special notes can lead to damage to the
Link
1000
, the
Freedom
inverter, or other electrical equipment.
POWER CONNECTION WARNINGS
1. Do not disconnect the negative battery cable to the
Freedom
inverter/charger with
AC present or with either the inverter or charger functions operating.
2. When installing your
Link 1000
, make all DC power and shunt connections
BEFORE plugging in the phone cable to the
Freedom
inverter/charger. Similarly,
unplug the phone cord to the
Freedom
before removing DC and shunt connections.
3. The On/Off switch on the front of the
Freedom
unit must be OFF.
IMPORTANT BATTERY FACTS
1. An Amp-hour (A hr) is 1 Amp of current flowing for one hour, or 2 Amps for
1/2 hour, or 4 Amps for 1/4 hour, etc.
2. Deep cycle battery capacity in Amp-hours is generally stated at the 20 hour rate.
This means a 12 Volt, 100 A hr battery will sustain 5 amps for 20 hours before its
voltage under load drops to 10.5 volts. A 12 Volt lead-acid battery which cannot
maintain 10.5 Volts under load is considered "dead" - it's completely discharged.
3. Our Mid-Capacity Rule says discharging more than 50% of a battery's capacity
shortens cycle life. Charging more than 85% takes too long with an engine driven
charging system. So, 35% of the battery capacity is all that is normally available.
For example, if you regularly need 100 Amp-hours of energy between charging
sessions, your battery capacity should be about 300 Amp-hours.
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