ACOPOWER HY-PWM20AW User manual

P.1/
SOLAR CHARGE CONTROLLER
Input: DC12V Solar Panel (Max.25V)
Output: DC12V, 10A / 15A / 20A
Input: DC12/24V Solar Panel (Max.52V)
Output: DC12/24V, 10A / 15A / 20A
User’s Manual
THISMANUALCONTAINSIMPORTANTSAFETYANDOPERATINGINSTRUCTIONS

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P.3/8
●Always install a battery fuse on each circuit including the solar controller
●Do not disassemble charger, take it to a qualified person when repair is required.
●Do not reverse connect the wires to the solar panel or battery
●Appliances incorporating batteries which contain materials hazardous to the environment.
FEATURES-
- Common negative grounding connection
- PWM technology, switching control by MOSFET
- High efficiencyand low power consumption
- Battery type setting andbattery condition indication
- Smart charging control,Charging time management
- LED indication for the battery condition andcharging statues
- Digital display charging parameters andbattery settings
- Automatically active to Lithium battery against BMS protection
- Thermal protection
- Over voltage protection, Short circuit protection, Reverse polarity protection
- No sparks
- Water proof
- Solid-duty cables
- Corrosion-resistant terminals andconnectors.
- Flexible cable connection method
INSTALLATION-
The Solar Controller is mounted as shown below
Thequickest andeasiest way to mount the unit is to use the four (4) plastic spacers and self-tapping
screws supplied and mount the unit toaflat surface.
WIRING CONNECTIONS
To protect the Battery and the Solar Panel, we strongly recommend that you place an inline fuse on
the positive wire on both the “Solar” and “Battery” Circuits. 40A fuse for 20A controller; 30A fuse for
15A controller, 20A fuse for 10A controller (As close to the Battery /Panel as possible)

P.4/8
The Solar Controller has 4 terminals which are clearly marked ‘Solar’ and ‘Battery’.
The cable connection method is flexible andeasy.
Use the string wires, directly secure the inputandoutput wires into the terminalholes of the solar
controller, screw tightly the wires to the “Solar” terminal to the Solar Panel. screw tightly the wires
to the “Battery” terminal to the Battery.
Optionalexternal Battery Temperature Sensor BTS
The solar controller provides an external temperature sensor, as an option, the unit provides a port
to connect the externalbattery temperature sensor; if the externalbattery temperature sensor is
connected, the unit will optimize the chargingperformance subjected to the battery temperature
detected and also provide the battery over temperature protection, in some case, if battery over
temperature occurs, the controller will automatically stop charging.
Wiring diagram
Refer to the below drawing, please cover the solar panelbefore connecting cables.
OPERATION - LCD DISPLAY-
Please check yourbattery manufacturer’s specifications to select correct battery type.Theunit
provides eight ( 8 ) battery types for selections: Lead crystal, Lithium-ion, LiFePO4, LTO, Gel, AGM,
WET (conventional lead acid), and Calcium battery.

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--Li-ion battery 12.6 +/-0.2 VDC
2-6 Absorption transits to Equalizing or Float condition:
--Charging current drops to 1.5 +/0.1 AMP
-- or Absorption charging timer timed out 4Hour
2-7 Equalization charging active
--Only for WET or Calcium battery
--Battery voltage discharged to less than 10 +/-0.2 VDC
--Automatic equalizing charging periodical 28 Day
2-8 Equalization charging voltage at 25ȭ15.5 +/-0.2 VDC
2-9 Equalization charging timer timed out 2Hour
2-10 Float voltage (for Crystal, GEL, WET, Calcium, AGM battery) at 25ȭ13.8 +/-0.2 VDC
Restart voltage for LTO battery 13.2 +/-0.2 VDC
Restart voltage for LFP battery 13.4 +/-0.2 VDC
Restart voltage for Li-ion battery 12.0 +/-0.2 VDC
2-11 Voltage control accuracy +/- 1%
2-12 Battery temperature compensation coefficient -24 mV/*C
2-13 Temperature compensation range -20 ~ +50 ȭ
3 Protection
3-1 Against reverse polarity or short circuit at panel or battery
3-2 No reverse current from battery to solar at night
3-3 Over temperature protection during charging 65 ȭ
4 Electrical parts
4-1 Input output terminal M5 terminals
5 Physical Parameters
5-1 Controller material Plastic, Standard ABS
5-2 Power terminal maximum stranded wire size #6 AWG stranded-16 mm2
5-3 Power terminal torque Up to 17 in-lb (0.2n-m)
5-4 Mounting Vertical wall mounting
5-5 IP grade IP65,
5-6 Net weight Approx. 0.5KG
6 Environmental characteristics
6-1 Operating temperature -25 ~ 50ȭ/ -13 ~ 122 ȯ
6-2 Storage temperature -40 ~ 85ȭ/ -40 ~ 185 ȯ
6-3 Operating Humidity range 100% no condensation
Voltage in below table are for 12V use, x 2 for 24V use.
Power Your Green Life!
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Add: 4120 Valley Blvd, Walnut, CA 91789,USA
Email: [email protected] Web:www.acopower.com