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1) General Information
Your Phase Three™ Series Battery Charger represents a
new phase in charger design and performance, employing
"smart" switching circuitry which puts batteries through the
optimum three-stage charge process, adapts for gel-cell or
lead-acid batteries, features precise voltage compensation
for varying battery temperature, is rated for continuous
duty and is housed in rugged stainless steel cover coated
with a durable white powder coat finish.
Following is a brief listing of some of the more important
features/options of your Phase Three Charger. Each is fully
detailed later in this manual:
• Three step "smart" charging: bulk, absorption, float
• Gel-cell/lead-acid switch selects optimum charge/
float voltages based on battery type
• Multiple output banks charge independently based
on demand
• 115/230 VAC, 50-60 Hz input – can be used anywhere
in the world
• Current limited – prevents damage in case of over
loading
• Thermally controlled cooling fan allows continuous
operation at full-rated output
• High charge voltage time-out circuit prevents over
charging during continuous high amperage demand
• Optional temperature compensation sensor fine tunes
output voltage based on battery temperature
• Optional Remote Panel (12 volt only) allows battery
voltage monitoring of 1 or 2 banks, indicates battery
voltage too high/too low via multi segment LED bar
graph
• Use as a power supply without in-line battery; allows
continued use of DC powered electronics (when AC
is available) in the event that batteries must be taken
off-line or removed
• Built to last - rugged stainless steel and aluminum
case powder coated case with marinized internal
circuitry; optional-use dripshield provided
In addition, your Phase Three Charger carries a full two year
warranty against defects in materials or workmanship from
the date of purchase. Careful attention to these instructions
should help you enjoy years of trouble-free service.
II) Important Safety Instructions
1. SAVE THESE INSTRUCTIONS – This manual contains
important safety and operating instructions for the
Phase Three Battery Charger.
2. Before using this battery charger, read all instructions
and cautionary markings on (1) the battery charger,
(2) the battery, and (3) product powered by the battery.
3. CAUTION – To reduce the risk of injury, charge only 6
cell (12 volt models) or 12 cell (24 volt models) gel-cell
or lead-acid rechargeable batteries. Other types of
batteries may burst, causing personal injury and
damage.
4. Do not expose charger to rain or spray.
5. Use of an attachment not recommended or sold by
NEWMAR may result in a risk of fire, electric shock or
injury to persons.
6. To reduce the risk of damage to the electric plug and
cord (if plugged into an AC outlet), pull by plug rather
than cord when disconnecting the charger.
7. Make sure the cord is located so that it will not be
stepped on, tripped over, or otherwise subjected to
damage or stress.
8. An extension cord should not be used unless absolutely
necessary. Use of an improper cord could result in the
risk of fire and electric shock. If an extension cord must
be used, make sure:
A) That pins on the plug of the extension cord are the same
number, size and shape as those on the plug of the charger.
B) That the extension cord is properly wired and in good
electrical condition.
C) That the wire size is large enough for the AC
amperage rating of the Phase Three Charger. Refer to
the SPECIFICATIONS SECTION to determine the full
load input current of your Phase Three Charger, and
then use the chart below to determine the correct
gauge wire for any extension cord used.
RECOMMENDED MINIMUM AWG SIZE FOR EXTENSION
CORDS FOR PHASE THREE BATTERY CHARGER
AC Input Rating, Amperes
Equal to or
but less
greater than
than
4
6
6
8
Length of Cord, Feet
25
50
100
150
Size of Cord (AWG)
16
16
14
12
16
16
12
10
3
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