Lumiax MPPT-DC Series User manual

MPPT
MPPT-DC series
MPPT Solar charge controller
with LED driver built-in
(Constant Current, Boost)
15/20A, 150~560W
User Manual
User Manual_MPPT-DC series_ML
CE, Rohs, ISO9001:2015
Subject to change without notice!
Lumiax
MPPT your solar life

Brown
Black
Blue
Green
Battery +
GND
RS485-A
RS485-B
RS485
Wire
2.Safty Instruction and Waiver of Liability
Dear Clients,
This manual gives important recommendations for installing, programming, using
and so on. Read it carefully in your own interest please.
Thanks for selecting the MPPT-DC series solar controller. Please take the time to read this user manual, this will help you to
take advantage of controller’s new features.
1.Description of Function
MPPT-DC series intelligent MPPT solar controller is
programmable and especially for boost mode LED solar
street light system. It includes constant current driver
function. The charging efficiency is about 20% higher than
the traditional PWM controller, which can drop the cost of
the whole system.
Innovative Max Power Point Tracking(MPPT) technology,
tracking efficiency >99.9%
Full digital technology, high charge conversion efficiency
up to 97%, discharge conversion efficiency up to 96%.
Can output constant current (output current can be set).
5 stages time and dimming can be adjusted
If battery voltage is low, it can be set to dimming
Dimming start voltage and percentage can be set
Transportation mode
When BMS power off because of LVD, it can activate the
system
Low temperature charging protection
Charging target voltage and recovery voltage can be set
Day/Night threshold can adjust automatically
Based RS-485 standard Modbus protocol
IP67, Strong and durable aluminum case
Full automatic electronic protect function
2.1 Safety
①The solar charge controller may only be used in PV
systems in accordance with this user manual and the specs
of other module manufacturers. No energy source other
than solar gen. may be connected to the solar charge
controller.
②Batteries store a large amount of energy, never short
circuit a bat. under all circumstances. We strongly
recommend connecting a fuse directly to the battery to
protect any short circuit at the bat. wiring.
2.2
③Batteries can produce flammable gases. Avoid making
sparks, fire or any naked flame. Make sure that the bat.
room is ventilated.
④Avoid touching or short circuiting wires or terminals. Be
aware that the voltages on special terminals or wires can
be as much as twice the battery voltage. Use isolated tools,
stand on dry ground, and keep your hands dry.
⑤Keep children away from batteries and the charge
controller.
Liability Exclusion
The manufacturer shall not be liable for damages,
especially on the battery, caused by use other than as
intended or as mentioned in this manual or if the
recommendations of the battery manufacturer are
neglected. The manufacturer shall not be liable if there has
been service or repair carried out by any unauthorized
person, unusual use, wrong installation, or bad system
Solar charge controller MPPT-DC series User Manual
4.Installation
Page 1 of 5 pages
3.Dimensions(Unit: mm)
4.1 Connection sequence
Make sure the wire length between battery and controller
is as short as possible.
Recommended mini wire size: 10A: 2.5mm²; 15/20A: 4mm².
For easy installation and testing, in the first 30minutes,
charging and discharging conversion requires only 5s.
After 30 minutes, charging and discharging conversion
takes time of 5 minutes.
1.First connect the Rs485 well.
2.Connect the load with the corresponding brown (+)
and blue(-) cables, then seal them with tape.
2.Connect battery with the corresponding red(+) and
black(-) cables. Load will be on after 5s.
3.Connect panel with the corresponding red(+) and
black/green(-) cables, the load will be off after 5s，and
the controller begins charging.
4.Refer to 11.LED indications and Faults & Alarms to
confirm the LED display status.
MPPT1575-DC Li MPPT2075-DC Li
2. 5
10 10
85.8 85.8
145 145
4
2.5
MPPT
30 42.5
MPPT
⑤
④②③⑥
MPPT
①
⑦
RS485
Interface
1. The connectors with electricity
are prohibited to connect together！
2. GND is not connected to B-.

Page 2 of 5 pages
Solar charge controller MPPT-DC series User Manual
5 Default setting.
4.2 Transportation mode(Lithium Battery)
4.2.1 Open circuit protection
If the controller is only connected with the battery,
but not connected with solar and load, the controller
will enter transportation mode after 5 minutes.
4.2.2 Exit the transportation mode
!
LED will slow flash(0.2s on/5s off ) ，the green and
yellow led will be off.
If the controller enters transport mode, the red
When the load is properly connected, connect the
solar panel more than 1s during daytime , the
transport mode will terminate and the controller will
work normally.
The controller is generally integrated with the
lithium battery in the lithium batter y pack for
transport, if the controller works normal during
transport, it will waste of energy and increase the
transport risk. If the controller is set to transport
mode, the load has no output, then the power
consumption is reduced by about 60%, to avoid
lithium battery voltage too low.
When MPPT-DC series controller is connected to the
system, you can setting the controller with Rs485 interface.
Num
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
MPPT-DC
4H
100%
0H
100%
0H
100%
0H
0%
0H
100%
5.0V
0min
0.3A
365
LI
12.6V
12.4V
9.0V
9.8V
Yes
Name
Time1
Dim1
Time2
Dim2
Time3
Dim3
Time4
Dim4
Time5
Dim5
D/N Thr
D/N Dly
Load I
Dim Auto
Battery
CVT
CVR
LVD
LVR
0℃ Chg
6.Starting up the controller
6.1 Self Test
As soon as the controller is connected to battery, it starts
self test. Then the display changes to normal operation.
6.2 Battery Type
MPPT-DC series controller applies to Lithium,GEL,Liquid
and AGM rechargeable battery. For Lithium battery the
charging target and charging recovery voltage can be set
according to customer requirements.
6.3 0℃ Charging Protection(Lithium Battery)
"0℃ Chg" can be set to “Yes", "Slow” or ”No”.
When the controller detects that the ambient
temperature is higher than 0℃, the charging function
is normal. when the ambient temperature is low than
0℃, if the "0℃ Chg" is set to “Yes”, the charging
function is normal, else if the "0℃ Chg" is set to
“slow”, the max charging current is 20% of the
rated current, else if the "0℃ Chg" is set to “No”,
the controller does not charge the battery.
The user can select the appropriate charging
method.

Solar charge controller MPPT-DC series User Manual
Page 3 of 5 pages
8.LVD, LVR, Threshold, Dimming
!1. Day/Night threshold voltage should be set around
0.22 times of open circuit voltage.
2.Day/Night threshold voltage of load disconnect is 1V
higher than the setting data, means the load will disconnect
when the solar voltage at 4.0~21.0V.
3.The controller has an automatic day/night threshold
adjustment function. If the lowest voltage of solar array is
higher than the setting day/night threshold, the load has no
output in first night, 24 hours later the controller can
automatically adjust the day/night threshold to meet the
requirements of lighting at night.
Sunset
Dusk
Sunrise
Dawn
3.0~20.0V 4.0~21.0V
MPPT-DC series controller with advanced street light
control function. The modes of lighting can be based on
customer needs.
7. Streetlight Function
7.1 Dusk to Dawn (D2D)
Dusk to Dawn(D2D)
Light on
Light off
D/N Thr D/N Thr
Sunset Sunrise
D/N Dly
If “Time1” is set to “D2D”,the controller works in
dusk to dawn mode.
!1.MPPT-DC series controller is set to D2D mode, the
corresponding dimming setting is still valid.
2. If “Time1”is set to D2D mode, “Time4” can not be
set to T0T mode.
7.2 Five-stage Night Mode
Time1Time2Time5Time3 Time4
Light on
Light off
D/N Thr D/N Thr
Sunset
Sunrise
D/N Dly
You can set the Time 1-5 and Dim 1-5 with S-Unit.
7.3T0T mode can set the load on time before
morning coming
(
)
D/N Thr
Time1Time2Time5
Time3 T0T
Light on
Light off
D/N Thr
Sunset
Sunrise
D/N Dly
If "Time4" of the S-Unit is set to "T0T", this mode is T0T
mode.
* If Time4 is set to T0T mode, Time1 can not set to D2D
mode.
8.4 Auto Dimming
8.4.1 Auto Dimming mode
The "Dim Auto" of S-Unit is set to "Yes",
and "Dim %" at the same time, press the "Send" key to set
up the controller. when the battery voltage is lower than the
voltage of "Dim V" , it starts to dimming automatically.
Battery voltage reduces per 0.1V, load current decreased
according to the set of "Dim %", the minimum output
current is 10% of the setting current.
item set "Dim V"
!
minimum output current can be as low as 100mA.
2. Dimming voltage should not be greater than the voltage
of “CVT”(Charging voltage target).
1.If the controller is set to “Dim” or “Auto Dim”, the
8.1 Low Voltage Disconnect (LVD)
When the battery voltage drops below the LVD voltage,
the controller will disconnect the load to prevent deep
discharge of the battery. If this occurs, the battery should
be well charged before resuming use.
8.2Low Voltage Reconnect (LVR)
If the controller goes into low voltage disconnect, it will
restore only when the battery being recharged to the
recovery voltage.
8.3 Day/Night Threshold, Day/Night Delay
The controller recognizes day and night based on the
solar array open circuit voltage. This day/night threshold
can be modified according to local light conditions and
the solar array used.
Day/Night threshold setting range: 3.0~20.0V.
In the evening, when the solar array open circuit voltage
reaches the setting day/night threshold, you can adjust
the day/night delay time to make the load turn on a little
later.
Day/Night delay time setting range: 0~30min.
Lithium
Gel, Liquid and AGM
MPPT1575/2075
-DCLi-485 10.8~11.8/21.6~23.6V 9.0V~30.0V
Lithium
Gel, Liquid and AGM
MPPT1575/2075
-DCLi-485 9.6V~31.0V
11.4~12.8/22.8~25.6V

Solar charge controller MPPT-DC series User Manual
Page 4 of 5 pages
八、安全特性及故障描述
9.Safety Features
10.Recommended connection of LED
Following connect ways is for the LED lights
(Vf: 2.9V~3.4V; I: 300mA, Power: 1W )
n for number of parallel connection
m for number of
in series connection
Short circuit
Over current
Over voltage
Over temp.
Reverse
polarity
Solar terminal
Protected *1
Protected*2
Protected
Max.55V *3
Battery terminal
Protected
Protected *1
Max. 35V
Load terminal
Protected
Switches off
Switches off
with delay
The controller cuts off the load if the
temperature reaches the set value.
Switches off
immediately
Reverse
Current
Under
voltage
*1.Battery must be protected by fuse, otherwise battery will
be damaged.
*3.The voltage of solar panel can not exceed 55V for a long
time.
*2.When the PV doesn't charge, the controller will not be
damaged if short-circuit just happened in the PV array.
Warning: It is forbidden to short-circuit the PV array during
charging .Otherwise, the controller may be damaged.
!
may cause damage to the controller.
Always remove the error before you continue connecting
the controller.
Warning: The combination of different error conditions
20~55V
LED chips
connection
Fault Status Reason Remedy
Over
voltage
protection
Batt ery
can’ t be
char ged
Overcurrent,
short circuit
protection
Battery capacity
is low
Loads are
over current
or short circuit
High battery
voltage >
(CVT+0.2V)
PV panel fault
or reverse
connection
Load will be reconnected
when battery is recharged
Switch off all loads,
remove short circuit,
load will be reconnected
after 1 minute automatically
Can not
be
charged
Low
voltage
protecti on
Low volt.
prote ctio n
Over temp.
protection
Controller temp.
Is too high
Load reconnects
after temp. reduces
High
voltage
at
battery
terminal
11LED indications and Faults & Alarms
11.1LED Display Explanation
11.2Faults & Alarms
Loads
are
not
powered
Check if other sources
overcharge the battery.
If not,controller is damaged.
Battery wires or
battery fuse
damaged,
battery has high
resistance.
Check battery wires,
fuse and battery.
Battery is
empty
after a
short time
Battery has low
capacity Change battery
Check panels and
connection wires
365 mode is based on the battery power (charge power,
discharge power) energy control. If the battery charge more
during the day, then discharge more at night. The controller
can calculate the dimming ratio according to the charging
power and the remaining power of battery, so as to avoid
the load shutdown due to the low battery voltage.
!
designed to meet the requirements of three rainy days.
When using the 365 mode, the system should be
LED
Status
Function
On
On
On
Flash(0.5/0.5s)
Fast flash(0.1/0.1s)
Work normal
The output power is 0.
Open circuit protection
or transport mode. *1
Off
Off
Slow flash(0.5/2s)
Slow flash(0.5/2s)
Slow flash(0.2/5s)
Fast flash(0.1/0.1s)
Fast flash(0.1/0.1s)
Charging
Solar panel is correctly
connected,
but not charged
Green
LED
Over temperature
protection
*
Over current protection
Short circuit or 2
Over voltage protection
Battery is normal
Yellow
LED
Red
LED
MPPT charging
Low voltage protection
Battery voltage is low
*If the controller is in transport mode, the red LED
is super slow flash(0.2s on/5s off ), the green and
yellow led is off.
8.4.2 365mode
Load
current
Output
Voltage
Model
M=7~18
N=1~20
MPPT1575/
2075-DC Li 0.15~6.0A
Red LED
Yellow LED
Green LED
Rs485

Solar charge controller MPPT-DC series User Manual
12.Technical Data
Page 5 of 5 pages
Item
System Voltage
Max Charging Current
Max volt on Bat. Terminal
Battery Type
Max volt on PV terminal
Max input power
Dusk/Dawn detect volt.
Day/Night delay time
MPPT tracking range
Output Power
Output Voltage
Current setting range
Min current
Current precision
Dimming
Voltage of start dimming
Dimming percentage
Max tracking efficiency
Max charge conversion
Max LED driver efficiency
Self consumption
Dimensions
Weight
Ambient temperature
Ambient humidity
Protection degree
Max Altitude
Battery
Parame-
ters
Panel
Parame-
ters
Load
Parame-
ters
System
Parame-
ters
MPPT1575-DCLi-485 MPPT2075-DCLi-485
12V/24V automatical recognization
15A 20A
35V
Liquid, Gel, AGM and Lithium（Programmable, default: Lithium）
<14.5/29.0V@25℃
14.5/29.0V @25℃
14.8/29.6V @25℃（Liquid, AGM）
13.7/27.4V @25℃
10.8~11.8V/21.6~23.6V（Programmable）
11.4~12.8V/22.8~25.6V（Programmable）
15.5/31.0V
-4.17mV/K per cell (Boost, Equalization)， -3.33mV/K per cell (Float)
10.0~32.0V(Programmable, default: 12.6V)
9.2~31.8V(Programmable, default: 12.4V)
9.0~30.0V(Programmable, default: 9.0V)
9.6~31.0V (Programmable, default: 9.8V)
Yes, Slow, No(Programmable)
55V *1
200W/400W 260W/520W
3.0~20.0V （Programmable）
0~30min（Programmable）
（Battery Voltage +1.0V）~Voc*0.9 *2
10~90W/20~180W
20~55V/30~55V
0.15~6.0A（Programmable）
100mA（Dimming）
±2%
0~100%（Programmable）
11.8~12.5V/23.6~25.0V(Gel,AGM and Liquid); 10.0~32.0V(Lithium)
1~20%（Programmable）
>99.9%
97.5%
96.5%
6mA
85.8 * 145 * 30mm 85.8 * 145 * 42.5mm
600g 720g
-35~+60℃
0~100%RH
IP67
4000m
*1.This value represents the maximum voltage of the solar panel at the minimum operating ambient
temperature.
*2.Voc means the open circuit voltage of the solar panel.
*3.Around oblique line value separately on behalf of 12V and 24V system's value.
Liquid,
Gel
and AGM
Lithium
MPPT Charging Voltage
Boost Voltage
Equalization Voltage
Float Voltage
Low Volt. Disconnect
Reconnect Voltage
Overcharge Protect
Temp. Compensation
Charging voltage target
Charging voltage recovery
Low voltage disconnect
Low voltage reconnect
0℃ Charging protection