ProjectAir SC520 Manual de usuario

MPPT Solar Charge Controller

5 STAGE CHARGING 12/24/48V MULTI-CHEMISTRY

SC520

SC540

P/No. SC520, SC540

Pictured: SC520

1. Safety Tips

• Please ensure the instructions are read prior to any installation.

• Keep instructions in a safe place for future reference.

• Do not expose to rain, snow or liquids of any type, SC520 and SC540 are designed for indoor use only.

• Beware of any nearby electrical equipment that may interfere with installing this device.

 DonotconnectanyACsourcestothecontrollerasitmaycauseare/explosionandwillpermanently

damage the device.

• Always check the battery polarities before making a connection. The positive terminal of a battery goes

into BAT+ and the negative into BAT-.

• The controller is not designed to run without a battery voltage reference. In the event of replacing

 /servicingthebattery,alwaysdisconnectthesolarinputrst(orfullycoverthepanels),thenreplace/

service the battery.

• Solar panels can generate high voltages and currents, make sure your solar panels are completely

covered from sunlight during installation.

• Keep this product out of reach of children.

• Always install fusing or circuit breakers on the input positive and output positive circuits.

• Connecting wires to this device can generate sparks, please wear proper insulation gear

while installing this device.

• Thiscontrollerisanegativegrounded(positiveswitching)type.

• Always take the total length of wire into consideration and use the correct wire size, see below for a

table of recommended wire size for various current loads.

•Leadacidbatteriescanbedangerous.Ensurenosparksoramesarepresentwhenworkingnear

batteries.

Maximum

Cable

Distance

Solar Input Current

10A 20A 30A 40A

2m 12AWG

4mm2

10AWG

6mm2

10AWG

6mm2

8AWG

10mm2

Wire AWG

& Cross

Section

Area

3m 12AWG

4mm2

10AWG

6mm2

8AWG

10mm2

6AWG

16mm2

5m 10AWG

6mm2

8AWG

10mm2

6AWG

16mm2

6AWG

16mm2

7m 10AWG

6mm2

6AWG

16mm2

6AWG

16mm2—

2. Product Features

• 5 Stage charging ensures the battery is charged to the optimum level.

• AdvancedMPPTtechnologytoimprovechargingefciencyindifferentweather

and temperature conditions.

• Tempered glass screen with sturdy aluminium housing.

• Selectable battery chemistry types, including AGM, GEL, WET and Lithium.

• Auto recognition of 12V/24V/48V battery system voltage.

• Protects your battery from discharge at night. Under low light or no light conditions, the solar panel

voltage could be less than the battery voltage. The controller contains circuitry which prevents current

 owingbackfromthebatteryandintothesolarpanel.

• Multi charging protections against reverse polarity, over-voltage and over-temperature.

• Withtheuseofabatterytemperaturesensor(optional),thecontrollerwillcompensatecharging

 voltageswhenthebatterytemperaturebecomestoohigh(ForLeadacidonly).

• Supports remote display via Bluetooth for monitoring additional parameters, such as charging

watt-hours, charging current and solar input voltage.

3. Device Diagram

4. Wiring Instructions

# Description # Description

1 LCD Display Screen 8 RS485 Communication Port

2LEDIndicator(PV,CHARGE,FAULT) 9Solar Input Terminals

3 Cancel/Return Button 10 Battery Terminals

4 Increase/ Previous Button 11 External Temperature Sensor Port

5 Decrease/ Next Button 12 EPO Contacts Port

6 Enter/ Select Button 13 Output Dry Contacts Port

7InstallationMountingHoles

3 4 5 6

8910 11

Description

1LCD Display Screen 8RS485 Communication Port

2LED Indicator (PV, CHARGE, FAULT) 9Solar Input Terminals

3Cancel/Return Button 10 Battery Terminals

4Increase/ Previous Button 11 External Temperature Sensor Port

5Decrease/ Next Button 12 EPO Contacts Port

6Enter/ Select Button 13 Output Dry Contacts Port

7Installation Mounting Holes

3 4 5 6

8910 11

Description

1LCD Display Screen 8RS485 Communication Port

2LED Indicator (PV, CHARGE, FAULT) 9Solar Input Terminals

3Cancel/Return Button 10 Battery Terminals

4Increase/ Previous Button 11 External Temperature Sensor Port

5Decrease/ Next Button 12 EPO Contacts Port

6Enter/ Select Button 13 Output Dry Contacts Port

7Installation Mounting Holes

4. Insert the bare wire side of the cable to the

terminal, and tighten the screws.

5. Check the wiring condition and put the wiring

cover plate back.

3. Unscrew the terminals completely,

before inserting any wiring leads.

1 & 2: Remove the wiring cover plate,

and put it aside..

PV--PV+ BAT+BAT- TEMP

SENSOR

Solar Panel

Ba�ery

Fuse

5. Wiring Sequence

1. Connect the positive battery wire followed by the negative battery wire.

2. Connect the positive solar array input wire followed by the negative solar array input wire

 (makesureyoursolarpanelsarefullycoveredtopreventelectricalshock).

3. Connecttheexternaltemperaturesensor(optional)toitsterminalshownabove,andplacethesensor

on the side of a battery.

The controller is not designed to run without a battery voltage reference. In the event of replacing/servicing

the battery, always disconnect the solar input or fully cover the panels, then remove/replace the battery.

6. Operation

6.1 Pre-operation Check

Please check the installation and wiring carefully before operation:

Step 1: Make sure the SC520/SC540 is installed correctly and steadily.

Step 2: Make sure the cable layout and distancing are meeting the requirements of all the

equipment in the system.

Step3:Makesurethegroundwireisproperlyconnectedrmlyandreliably.

Step4:MakesureBatteryandPVarraycircuitbreakers(orfuses)aredisconnected.

6.2 Power ON Test

Make sure the battery voltage and solar panel voltage are within the permissible range before turning

on the breaker:

Step 1: Reconnect circuit breaker or fuse for the battery.

Step 2: Reconnect circuit breaker or fuse for the PV array.

Step 3: Set the parameters according to the setup wizard.

Step 4: Observe the LED light to check if the SC520/SC540 is working normally.

6.3 Power OFF

TheSC520/SC540willstillcontainresidualpowerandheatafterpowerOFF.

Toavoidelectricshockorburnrisk,pleasecooldowntheSC520/SC540for5minutesafterpowerOFF.

Then uninstall the SC520/SC540 with protective gloves:

Step 1: Turn off the circuit breaker for the solar panel.

Step 2: Turn off the circuit breaker for the battery.

6.4 System Initial Setup

EntertheSetupWizardforinitialsetupwhentheSC520/SC540ispoweredonforthersttimeorfactory

settings are restored. You can also reset the Setup Wizard through the Parameter Set interface.

*if you don’t want to change the default values, simply press to prompt ,

thenpress toconrm.

Enter the

Setup Wizard?

Time Set

2019-03-10 13:26

Battery_Type

0- GEL/0PzV

Battery_AH

200AH

Conrm?

6.5 Charging Stages

TheSC520/SC540multi-stagedalgorithmisdesignedtochargethebatterywithhighefciency

and reliability.

SoftStart(Stage1)–Thecontrollerwilldeliver½ratedcurrentuntilthebatteryvoltageisover11.5VDCor

10-minutetime-out,thenturntotheBulk(Boost)Stage.

Bulk(Boost)Charge(Stage2A)–UtilisingMPPTtechnology,thecontrollerwilldelivermaximumrated

current until batteries rise to absorption level.

*EqualizationCharge(Stage2B)–OnlyapplicabletoFlooded,WETandAGMmode.Every30days,itwill

skip boost and automatically run equalization to rejuvenate the internal battery cells.

AbsorptionCharge(Stage3)–thecontrollerwilldeliverconstantvoltagebasedonthebatterychemistry

settinguntilthechargecurrentislessthan3A,thenthecontrollerwillturntooatchargemode.

FloatCharge(Stage4)–Onlyapplicabletonon-lithiumbatteries.Whenthebatteryisfullycharged,itwill

reducethevoltagetooatvoltagesettingasperchemistryselecttokeepthebatterytoppedup.

RecycleCharge(Stage5)–After10daysofFloatcharge,thecontrollerwillreturntobulkchargeand

charge the battery to set voltage point.

Battery Voltage

Charging Current

7. Menu Introduction

...

STARTUP STANDBY:

REAL-TIME

STATUS

1ST LEVEL

MENU:

PARAMETER

SETTING/

INFORMATION

QUERY

2ND LEVEL

MENU:

PARAMETER

SETTING/

INFORMATION

DISPLAY

3RD LEVEL

MENU:

FURTHER

SETTING

BOOT

ANIMATION

Power ON,

MCU



bkght on

PROJECTA

PRODUCT

CODE

SC520/SC540

10s,





10s

2019-03-02 13:26

Chr On

U_PV73.4V

P_OUTPUT 0.0W

U_BAT 13.2V

I_CHG 0.0W

Normal

Working State:

5s loopdisplay

(looping period

can be adjusted

in seg)

Alarm State:

When errors

happen with

SC520/540, the

alarm status will be

displayed instead

MPPT Err 13

 OFF)

ERROR:

 

stops hing

MPPT Wrn 02

U_BAT_LV

WARNING:

Wrning, 

hing 

g Info U_PV 69.9V

t 800W

U_BAT 24.9V

I_CHG30W

T_inside 54

T_BAT_EXT N/A

>Ss Info E_Tod

E_Yesterd

E_Month

E_Yer

E_Tot

>Crrent Error 0 error

0 wrning

 Re 2019-03-02 13:26

Chr On

2019-03-02 5:30

MPPT Err 09

……

 Set e

Be

 

 Set o 

 Set Log

>Reset d

 Info >Mode

>So Ver

>User  >Sn Set

 & Tie Set

 Ver

>Se ber

>Reset Devie

 Log

o 

>Reset 

e d



s  info

Yesterds  info

Seet the Month nd e with

for spei ds s

Seet the Month with for

spei Months s

To Sr

MPPTErr 08

PSU_LV_HD

If fts orred, press to see  the ft ode

MPPT Err 09

PSU_LV

Ft Dets

Reset Devie

r?

<ModeNer>

<SeNer>

Sore Ver

V……

Hrdwre Ver

V……

Please see secn 6.3

for detailed

instrucn for

parameter se

 Set

>Ad Set

>EQ Set

BEGIN

Change the

parameters?

Press the , the corresponding bit ﬂashes, press

the to change the value

Press the to conﬁrm the value, then repeat the

same steps for other parts

Completed?

Press the , the cursor appears on the

rightmost bit of the parameter

Save?

Use the

Default Se�ng?

press to prompt ,

then press to conﬁrm.

YES, Press

parameters

chan

ged, back to

the

original display

Successful

Se�ng?

Successful se�ng Prompt Successful se�ng Prompt

Next Se�ng

YES

7.1 Start-Up

After power on, the LCD display will light up the backlight, show a boot animation and then display the

following information in sequence.

7.2 Real-Time Working Status

After the initial startup, if the controller is working normally, the display will show the real-time

device working status.

*5s default display looping period, manually turning pages with will standby on the current page for 30s as default.

*Changing the Parameter Setting required the password, the initial password is “1000”. The password can be adjusted in Factory Set interface.

PROJECTA

SC520

SC540

10s

ForSC520:

ForSC540:

Interface Display Description Default

Setting Setting Range

>Para System SYS_Module_Addr Systen Module Parallal

Address 1 1~4

>Para_Mode

OutCtrl_CHG External Control

(Read Only) 0- Disable 0 - Disable

1 - Enable

RlyCtrl_Cong Output dry contact

conguration 0- Disable 0 - Disable

1 - Alarm Switch

Silent_Mode_EN Silent Mode 0-Disable 0-Disable

1-Enable

Force_Charger Forced Charge Mode 0-Disable

0- Disable

1- BAT_Level_12

2- BAT_Level_24

3- BAT_Level_48

EPO_DRY_IN_EN Remote Switch 0-Disable 0- Disable

1- Enable

>Para_Battery

>Basic Set Battery_Type

Battery Type

(Select 3,5,6 to unlock

EQ Setting)

GEL/OPzV

0- GEL/ OPzV

1- AGM

2- Lead-Carbon

3- Flooded

4- Customize

5- Traction

6- OPZS

7- BMS

Battery _AH Battery Capacity 200Ah 20~2000Ah

>Advanced Set

U_Absorp_CHG Absorption Charge

Voltage 14.1V

Refer to 9. Controller

Specication for setting

range

U_Float_CHG Float Charge Voltage 13.7V

Refer to 9. Controller

Specication for setting

range

BAT_OV_Warn Overvoltage Warning

12VDC: 14.9V

24VDC: 29.8V

48VDC: 59.6V

12VDC:

(U_AVE_CHG +0.2)~17.0V

24VDC:

(U_AVE_CHG +0.4)~34.0V

48VDC:

(U_AVE_CHG +0.8)~68.0V

CHG_MAX_Current

Maximum Charging

Current

(Reset this setting every

time the battery capacity

changed)

Rate_CHG_CUR 3~Rate_CHG_CUR

(Max=40A)

Min_Bulk_Time Minimum Bulk Charge

Time 120min 1~600min

Max_Absorp_Time Maximum Absorption

Charge Time 8h 1~240h

Auto_CHG_Cycle Equalization Cycle Time 240h 24~2400h

CHG_T_Compensate Charging Temperature

Compensation 0-Disable 0-Disable

1-Enable

CHG_TEMP_Coef

Charging Temperature

Compensation

Coefcient Setting

12VDC: -18mV

24VDC: -36mV

48VDC: -72mV

12VDC: -30~0mV/°C

24VDC: -60~0mV/°C

48VDC: -120~0mV/°C

BAT_OT_WARN_G

ate

Battery Setting Over

Temperature Warning 55°C 35~65°C

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