Epever MPPT User manual

User Manual

MSC2210N

MSC3210N

MSC4210N

MSC4215N

MPPT Solar Charge Controller

 
 
Contents 
Important Safety Instructions 
General Information 
1 Overview.....................................................................................4 
2 Identification of parts...................................................................6 
3 Naming rules...............................................................................7 
4 Connection diagram....................................................................7 
4.1 Battery mode ........................................................................7 
4.2 No-battery mode...................................................................8 
Interface 
1 Indicator ......................................................................................9 
2 Button........................................................................................10 
3 Battery type...............................................................................10 
4 Battery voltage control parameters............................................11 
5 Load output voltage and priority setting.....................................13 
6 Load operation mode ................................................................14 
7 Accessories...............................................................................14 
Installation 
1 Attentions..................................................................................16 
2 PV requirements........................................................................17 
3 Wire size ...................................................................................19 
4 Mounting ...................................................................................21 
Others 
1 Protection..................................................................................25 
2 Troubleshooting.........................................................................26 
3 Maintenance..............................................................................27 
Specifications 
Annex I PV Conversion Efficiency Curves 
Annex 2 Load Conversion Efficiency Curves 

Important Safety Instructions

Please reserve this manual for future review.

This manual contains all instructions of safety, installation, and operation for MSC-N

series Security Monitoring Maximum Power Point Tracking (MPPT) solar controller

("controller" as referred to in this manual).

1. Explanation of symbols

To enable users to use the product efficiently, as well as to ensure personal

and property safety, please read related literature accompanying the following

symbols.

WARNING: The entire system should be installed by professional and

technical personnel.

2. Requirements for professional and technical personnel

Professionally trained；

Familiar with related safety specifications for the electrical system;

TIP: Indicates recommendations that can be referred to.

NOTE: Indicates a critical tip during the operation, if ignored, may cause the

device to run in error.

CAUTION: Indicates potential hazards, if not avoided, may cause the device

damaged.

WARNING: Indicates the danger of electric shock, if not avoided, would

cause casualties.

WARNING HOT SURFACE: Indicates the risk of high temperature, if not

avoided, would cause scalds.

All of the safety and operating instructions should be read, adhered to and

followed before operating the device.

Read this manual carefully and master related safety cautions.

3. Professional and technical personnel is allowed to do

Install the controller to a specified location;

Conduct trial operations for the controller;

Operate and maintain the controller

4. Safety cautions before installation

IMPORTANT: When you receive the controller, check whether there is any

damage that occurred in transportation. Contact the transportation company or

our company in time for any problem.

CAUTION: When storing or moving the controller, follow the instructions in the

manual.

CAUTION: When installing the controller, must evaluate whether the

operation area exists any arc danger.

WARNING: Keep the controller out of reach of children.

5. Safety cautions for mechanical installation

WARNING: Before installation, make sure the controller has no electrical

connection.

WARNING: Ensure enough heat dissipation space for the controller before

installation. Do not install the controller in a harsh environment such as

humid, greasy, flammable, explosive, or dust accumulation.

6. Safety cautions for electrical connection

CAUTION: Check whether all the wiring connections are tight to avoid the

danger of heat accumulation due to loose connections.

WARNING: The input of PV array is a high voltage, do not touch the wiring

connection to avoid electric shock.

7. Safety cautions for controller operation:

WARNING HOT SURFACE: When the controller is running, the heat sink will

generate a lot of heat, and the temperature would be very high, please do

not touch it.

CAUTION: When the controller is running, please do not open the cabinet.

8. Dangerous operations which would cause electric arc, fire or explosion

Touch the wire end that hasn't been insulation treated and maybe electriferous.

Touch the wiring copper row, terminals, or internal modules of the controller that

may be electriferous.

Screw or other spare parts inadvertently falls into the controller.

Improper operations by untrained non-professional or technical personnel.

WARNING: Once an accident occurs, it must be handled by professional and

technical personnel. Improper operations would cause more serious

accidents.

9. Safety cautions for stopping the controller

After the controller stop running for five minutes, the internal conductive modules

could be touched;

The controller is allowed to restart after removing the faults which affect the safety

performance of the controller.

There are no serviceable parts inside. If any maintenance service is required,

please contact our service personnel.

10. Safety cautions for controller maintenance

It is recommended to check the controller with testing equipment to ensure there

is no voltage and current at all;

When conducting electrical connection and maintenance, must post temporary

warning sign or put up barriers to prevent unrelated personnel from entering the

electrical connection or maintenance area;

An improper operation to the controller may cause personal injury or equipment

damage;

Wear an antistatic wrist strap or avoid unnecessary contact with the circuit board

to prevent electrostatic damage.

1 General Information

1.1 Overview

MSC-N series is a new generation of the solar controller with a two-way load output.

The two-way load output voltage can be switched to 12V or 24V DC freely by an

enable switch. According to the battery voltage, the two-way load output voltage can

be turned off in stages to ensure the load1 output. The two-way load output adopts a

high-efficiency buck-boost conversion circuit, which greatly reduces the invalid loss of

the battery and improves the service time of the battery.

The MPPT charging technology can fast track the max power point of solar panels in

any situation and obtain the maximum energy in real-time. It can increase the

utilization ratio of solar energy by 20%-30% compared with the PWM charging

method. Charging current limit, charging power limit, and high temperature charging

power automatic reduction of function, fully ensure the system stability of access to

excess PV modules and high temperature running. Adaptive three-stage charging

mode and comprehensive electronic protections such as over-charge, over-

discharge, PV & battery reverse polarity, etc. effectively ensure the power supply

safer, more stable, and more durable. MSC-N series controllers are most suitable for

applications in the field of security monitoring, RV, and household system, etc.

Features

High quality and low failure rate components of ST or IR to ensure the service

life

Advanced MPPT technology & ultra-fast tracking speed guarantee tracking

efficiency up to 99.5%

Maximum DC/DC transfer efficiency up to 98.6%, full load efficiency up to

96.6 %

Accurate recognizing and tracking technology of multi-peaks maximum power

point

Wider MPP running voltage to increase the utilization ratio of PV modules

Support the lead-acid and lithium batteries, programmable temperature

compensation

High temperature charging automatic power reduction function

The freely set voltage level of the two-way load output, especially suitable for

voltage-sensitive loads

Configurable cut-off voltage value for the two-way load output

Support no-battery mode, PV array powers the load directly ①

High-efficiency buck-boost control chip and power device, conversion

efficiency up to 98.9%

Optional charging prior mode and load prior mode

Effectively prolong the running time of load one by the discontinuous power

supply in load prior mode

Customized the load two output according to the actual requirement

Common negative design, used in a negative grounded system

Real-time monitor controller by an external remote meter, BT module, Wifi

module or PC software

Comprehensive electronic protections

①Set the rated voltage level of the battery to auto recognition mode through the PC software or the

remote meter, and the controller will be in no-battery mode.

1.2 Identification of parts

①

Power Indicator

⑨

Load 2 Terminals

②

Load 1 indicator

⑩

Grounding terminal

③

Load 2 indicator

⑪

RTS interface

④

Error codes

⑫

PV Terminals

⑤

Load ON/OFF and setting

button

⑬

Battery Terminals

⑥

Load 1/Load 2/Prior Mode

enable switch

⑭

Mounting Hole *4

⑦

RS485 communication port

⑮

Battery indicator

⑧

Load 1 Terminals

⑯

PV Indicator

If the remote temperature sensor is not connected to the controller or

damaged, the controller will charge or discharge the battery at the default

temperature setting of 25 ºC(no temperature compensation).

1.3 Naming rules

①For MSC4210N and MSC4215N, the rated voltage of the battery supports 24V only. For other MSC-

N types, the rated voltage of the battery supports both 12V and 24V.

1.4 Connection diagram

1.4.1 Battery mode

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