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PowerMax PM3 User Manual

PowerMax PM3
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9.
3 STAGE CHARGING OPTION DESCRIPTION
.
This optional system provides an automatic charging system in three steps. 1. A fast charge to bring a good, drained battery back up
to full voltage rapidly ("Boost"). 2. A standard charge to bring the battery up to a full charge at a safe rate to prolong the life of the battery
and provide power to run 12V lighting and appliances in the vehicle/device ("Normal"). 3. A trickle charge to keep the battery fresh during
times of load inactivity ("Storage"). The charger automatically changes modes to accommodate changes in conditions. The chart below
is for reference only, voltages may vary.
10. ADJUST FIXED VOLTAGE
DESCRIPTION:
The unit is on the three stage charging mode firstly. 1. move the switch A to "Adjust Fixed Voltage", move switch B gently to
adjust voltage from 13~16.5V, and get a fixed output voltage. 2. make sure the voltage as 14.6V, move the switch A to " Three stage
charging", then the unit back to standard “Three Stage Charging”, run 14.6V almost 0.5 hour, 13.6V almost 12 hours and then to 13.2V. The
voltage value of 3 stage charging will be changed with fixed voltage changed when the unit on “Three stage charging”.
switch A
switch B
120 VAC
Connection – First confirm that the
120 VAC
power source AC circuit breaker(s) are in the
breakers until installation is complete.
position.
DO NOT
turn-on AC circuit
Using an 8 AWG minimum size copper wire, attach from the vehicle/device chassis to the Converter/Charger Bonding Lug.
Using the attached power cord on the Converter/Charger, connect firmly to the
120 VAC
receptacle
12 VDC
Wiring– It is important to use the correct wire gauge. Use a minimum of 8 AWG size copper wire.
The terminal marked
The terminal marked
or
POS
is for the RV
12 VDC positive
connection.
or
NEG
is for the RV
12 VDC negative
connection.
The
12 VDC
output wiring does not require over-current protection because the Converter/ Charger limits current output. However, all
electrical connections need to comply with the appropriate NEC code.
WARNING Avoid Possible Injury or Death
off
+

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PowerMax PM3 Specifications

General IconGeneral
Charging Stages3 (Bulk, Absorption, Float)
Output Current3 Amps
Compatibility12V Lead-Acid Batteries
Protection FeaturesOvercharge, Short Circuit, Reverse Polarity
Charging Ports1