2.Safty Instruction and Waiver of Liability
Dear Clients,
This manual gives important recommendations for installing, programming, using
and so on. Read this user manual in full before installing or connecting the solar controller.
Thanks for selecting the MPPT-DC32 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-DC32 series intelligent MPPT solar controller is
programmable and especially for boost mode LED solar
street light system.
It comes with some outstanding features, such as:
Innovative MPPT technology, tracking efficiency >99%
Full digital technology, conversion efficiency up to 93%
Can output constant current
5 stages time and dimming can be adjusted
Can read parameters and running status
If battery voltage is low, it can be set to dimming
Dimming start voltage and percentage can be set
Day/Night threshold can adjust automatically
Suitable for single Lithium battery
Auto sleeping during transportation
Low temperature charging protection
When BMS power off because of LVD, it can activate the
system automatically
Charging target voltage and recovery voltage can be set
Remote Unit to configure, with LCD display
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 design.
1.As the chart, connect the load with the corresponding
brown(positive) and blue(negative) cables firstly, then
seal them with tape.
2.Connect battery with the corresponding red(positive)
and black(negative) cables. Load will be on after 5s.
3.Connect panel with the corresponding red(positive)
and black/green( negative) 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.
Solar charge controller MPPT-DC series User Manual
The following diagrams provide an overview of the
connections and the proper order
4.Installation
Page 1 of 5 pages
3.Dimensions
4.1 Connection sequence
Make sure the wire length between battery and controller
is as short as possible.
Recommended minimum wire size:
20A: 4mm²; 30A: 6mm²
⑤
④
①
②
③
⑥
MPPT
2.5
2.5
81
85.8
10
4
4
23.1
MPPT2050-DC32Li
MPPT3050-DC32Li
85.8
112
5
30
Unit: mm
To Next Page
Need help?
General
