opti-solar SP3000 Initial-P, SP3000 Initial-M, SP5000 Initial-P, SP5000 Initial-M User Manual

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Solar Hybrid Inverter

SP Initial Series

Version: 1.1

User Manual

Table Of Contents

ABOUT THIS MANUAL ..................................................................................................................................... 1

Purpose ............................................................................................................................................................ 1

Scope ............................................................................................................................................................... 1

SAFETY INSTRUCTIONS .................................................................................................................................. 1

INTRODUCTION ............................................................................................................................................... 2

Features ........................................................................................................................................................... 2

Basic System Architecture ............................................................................................................................... 2

Product Overview ............................................................................................................................................. 3

INSTALLATION ................................................................................................................................................... 4

Unpacking and Inspection................................................................................................................................ 4

Preparation ...................................................................................................................................................... 4

Mounting the Unit ............................................................................................................................................. 4

Battery Connection .......................................................................................................................................... 5

AC Input/Output Connection ............................................................................................................................ 7

PV Connection ................................................................................................................................................. 8

Final Assembly ............................................................................................................................................... 10

Communication Connection ........................................................................................................................... 10

OPERATION ..................................................................................................................................................... 11

Power ON/OFF .............................................................................................................................................. 11

Operation and Display Panel ......................................................................................................................... 11

LCD Display Icons ......................................................................................................................................... 12

LCD Setting .................................................................................................................................................... 14

Display Setting ............................................................................................................................................... 20

Operating Mode Description .......................................................................................................................... 23

Fault Reference Code .................................................................................................................................... 25

Warning Indicator ........................................................................................................................................... 25

SPECIFICATIONS ........................................................................................................................................... 26

Table 1 Line Mode Specifications ................................................................................................................... 26

Table 2 Inverter Mode Specifications ............................................................................................................. 27

Table 3 Charge Mode Specifications .............................................................................................................. 28

Table 4 General Specifications ....................................................................................................................... 29

TROUBLE SHOOTING ..................................................................................................................................... 30

Appendix: Approximate Back-up Time Table ........................................................................................... 31

ABOUT THIS MANUAL

Purpose

This manual describes the assembly, installation, operation and troubleshooting of this unit. Please read

this manual carefully before installations and operations. Keep this manual for future reference.

Scope

This manual provides safety and installation guidelines as well as information on tools and wiring.

SAFETY INSTRUCTIONS

WARNING: This chapter contains important safety and operating instructions. Read and

keep this manual for future reference.

1. Before using the unit, read all instructions and cautionary markings on the unit, the batteries and all

appropriate sections of this manual.

2. CAUTION --To reduce risk of injury, charge only deep-cycle lead acid type rechargeable batteries.

Other types of batteries may burst, causing personal injury and damage.

3. Do not disassemble the unit. Take it to a qualified service center when service or repair is required.

Incorrect re-assembly may result in a risk of electric shock or fire.

4. To reduce risk of electric shock, disconnect all wirings before attempting any maintenance or cleaning.

Turning off the unit will not reduce this risk.

5. CAUTION – Only qualified personnel can install this device with battery.

6. NEVER charge a frozen battery.

7. For optimum operation of SP Initial Series, please follow required spec to select appropriate cable size.

It’s very important to correctly operate SP Initial Series.

8. Be very cautious when working with metal tools on or around batteries. A potential risk exists to drop

a tool to spark or short circuit batteries or other electrical parts and could cause an explosion.

9. Please strictly follow installation procedure when you want to disconnect AC or DC terminals. Please

refer to INSTALLATION section of this manual for the details.

10. One piece of 150A fuse is provided as over-current protection for the battery supply.

11. GROUNDING INSTRUCTIONS -SP Initial Series should be connected to a permanent grounded wiring

system. Be sure to comply with local requirements and regulation to install this inverter.

12. NEVER cause AC output and DC input short circuited. Do NOT connect to the mains when DC input

short circuits.

13. Warning!! Only qualified service persons are able to service this device. If errors still persist after

following troubleshooting table, please send SP Initial Series back to local dealer or service center for

maintenance.

INTRODUCTION

This is a multi-function SP Initial Series, combining functions of inverter, solar charger and battery charger to

offer uninterruptible power support with portable size. Its comprehensive LCD display offers user-configurable

and easy-accessible button operation such as battery charging current, AC/solar charger priority, and

acceptable input voltage based on different applications.

There are two different types of built-in solar chargers: PWM and MPPT solar charger. For the detailed product

specification, please consult your local dealers.

Features

 Pure sine wave inverter  Configurable input voltage range for home appliances and personal computers via LCD setting  Configurable battery charging current based on applications via LCD setting  Configurable AC/Solar Charger priority via LCD setting  Compatible to mains voltage or generator power  Auto restart while AC is recovering  Overload/ Over temperature/ short circuit protection  Smart battery charger design for optimized battery performance  Cold start function

Basic System Architecture

The following illustration shows basic application for SP Initial Series. It also includes following devices to have

a complete running system:

 Generator or Utility.  PV modules

Consult with your system integrator for other possible system architectures depending on your requirements.

This inverter can power all kinds of appliances in home or office environment, including motor-type appliances

such as tube light, fan, refrigerator and air conditioner.

Figure 1 Hybrid Power System

Product Overview

SP5000 Initial-P/SP5000 Initial-M SP3000 Initial-P/SP3000 Initial

1. LCD display

2. Status indicator

3. Charging indicator

4. Fault indicator

5. Function buttons

6. Power on/off switch

7. AC input

8. AC output

9. PV input

10. Battery input

11. Circuit breaker

12. USB communication port

side view

INSTALLATION

Unpacking and Inspection

Before installation, please inspect the unit. Be sure that nothing inside the package is damaged. You should have received the following items inside of package:

 The unit x 1  User manual x 1  Communication cable x 1  Software CD x 1  DC Fuse x 1  Ring terminal x 1  Strain relief plate x 2  Screws x 4

Preparation

Before connecting all wirings, please take off bottom cover by removing two screws as shown below.

Mounting the Unit

Consider the following points before selecting where to install:

 Do not mount the inverter on flammable construction materials.  Mount on a solid surface  Install this inverter at eye level in order to allow the LCD display to be

read at all times.

 For proper air circulation to dissipate heat, allow a clearance of approx.

20 cm to the side and approx. 50 cm above and below the unit.

 The ambient temperature should be between 0°C and 55°C to ensure

optimal operation.

 The recommended installation position is to be adhered to the wall

vertically.

 Be sure to keep other objects and surfaces as shown in the diagram to

guarantee sufficient heat dissipation and to have enough space for

removing wires.

SUITABLE FOR MOUNTING ON CONCRETE OR OTHER NON-COMBUSTIBLE SURFACE ONLY.

Install the unit by screwing two screws. It’s recommended to use M4 or M5 screws.

Battery Connection

CAUTION: For safety operation and regulation compliance, it’s requested to install a separate DC over-current

protector or disconnect device between battery and inverter. It may not be requested to have a disconnect

device in some applications, however, it’s still requested to have over-current protection installed. Please refer

to typical amperage in below table as required fuse or breaker size.

WARNING! All wiring must be performed by a qualified personnel. WARNING! It's very important for system safety and efficient operation to use appropriate cable for battery

connection. To reduce risk of injury, please use the proper recommended cable as below.

Recommended battery cable size:

Model

Wire Size

Cable (mm

)

Torque value（max）

SP3000 Initial-P

SP3000 Initial-M

1 x 4AWG

2 Nm

SP5000 Initial-P

SP5000 Initial-M

1 x 2AWG

Please follow below steps to implement battery connection:

1. Remove insulation sleeve 18 mm for positive and negative conductors.

2. Suggest to put bootlace ferrules on the end of positive and negative wires

with a proper crimping tool.

3. Fix strain relief plate to the inverter by supplied screws as shown in below

chart.

4. Connect all battery packs as below chart.

5. Insert the battery wires flatly into battery connectors of inverter and make sure the bolts are tightened with

torque of 2 Nm in clockwise direction. Make sure polarity at both the battery and SP Initial Series is

correctly connected and conductors are tightly screwed into the battery terminals.

Recommended tool: #2 Pozi Screwdriver

6. To firmly secure wire connection, you may fix the wires to strain relief with cable tie.

WARNING: Shock Hazard

Installation must be performed with care due to high battery voltage in series.

CAUTION!! Before making the final DC connection or closing DC breaker/disconnector, be sure

positive (+) must be connected to positive (+) and negative (-) must be connected to negative

(-).

AC Input/Output Connection

CAUTION!! Before connecting to AC input power source, please install a separate AC breaker between

inverter and AC input power source. This will ensure the inverter can be securely disconnected during

maintenance and fully protected from over current of AC input. The recommended spec of AC breaker is 32A

for SP3000 Initial-P/SP3000 Initial-M and 50A for SP5000 Initial-P/SP5000 Initial-M.

CAUTION!! There are two terminal blocks with “IN” and “OUT” markings. Please do NOT mis-connect input

and output connectors.

WARNING! All wiring must be performed by a qualified personnel. WARNING! It's very important for system safety and efficient operation to use appropriate cable for AC input

connection. To reduce risk of injury, please use the proper recommended cable size as below.

Suggested cable requirement for AC wires

Model

Gauge

Cable (mm2)

Torque Value

SP3000 Initial-P

SP3000 Initial-M

12 AWG

1.2 Nm

SP5000 Initial-P

SP5000 Initial-M

10 AWG

1.2 Nm

Please follow below steps to implement AC input/output connection:

1. Before making AC input/output connection, be sure to open DC protector or disconnector first.

2. Remove insulation sleeve 10mm for six conductors. And shorten phase L and neutral conductor N 3 mm.

3. Insert AC input wires according to polarities indicated on terminal block and tighten the terminal screws. Be

sure to connect PE protective conductor ( ) first.

→Ground (yellow-green) L→LINE (brown or black) N→Neutral (blue)

WARNING:

Be sure that AC power source is disconnected before attempting to hardwire it to the unit.

4. Then, insert AC output wires according to polarities indicated on terminal block and tighten terminal screws.

Be sure to connect PE protective conductor ( ) first.

→Ground (yellow-green)

L→LINE (brown or black) N→Neutral (blue)

5. Make sure the wires are securely connected.

PV Connection

CAUTION: Before connecting to PV modules, please install separately a DC circuit breaker between inverter

and PV modules.

WARNING! It's very important for system safety and efficient operation to use appropriate cable for PV module connection. To reduce risk of injury, please use the proper recommended cable size as below.

Model

Wire Size

Cable (mm2)

Torque value（max）

SP3000 Initial-P

SP5000 Initial-P SP3000 Initial-M SP5000 Initial-M

1 x 8AWG

1.6 Nm

PV Module Selection: (Only for the model with PWM solar charger)

When selecting proper PV modules, please be sure to consider below requirements first:

1. Open circuit Voltage (Voc) of PV modules not exceeds max. PV array open circuit voltage of inverter.

Model

SP3000 Initial-P

SP5000 Initial-P

Charging Current (PWM)

50Amp

System DC Voltage

24Vdc

48Vdc

Operating Voltage Range

30~32Vdc

60~72vdc

Max. PV Array Open Circuit Voltage

60Vdc

105Vdc

2. Max. Power Voltage (Vmpp) of PV modules should be close to best Vmp of inverter or within Vmp range to

get best performance. If one PV module cannot meet this requirement, it’s necessary to have several PV modules in series connection.

Maximum PV module numbers in Series: Vmpp of PV module * X pcs ≒ Best Vmp of Inverter or Vmp range

PV module numbers in Parallel: Max. charging current of inverter / Impp Total PV module numbers = maximum PV module numbers in series * PV module numbers in parallel

Take SP3000 Initial-P as an example to select proper PV module. After considering Voc of PV module not exceed 60Vdc and max. Vmpp of PV module close to 30Vdc or within 30Vdc ~ 32Vdc, we can choose PV module with below specification.

Maximum Power (Pmax)

260W

Max. PV module numbers in series 1  30.9 x 1 ≒ 30 ~ 32

Max. Power Voltage Vmpp(V)

30.9V

Max. Power Current Impp(A)

8.42A

PV module numbers in parallel 6  50 A / 8.42 Total PV module numbers 1 x 6 = 6

Open Circuit Voltage Voc(V)

37.7V

Short Circuit Current Isc(A)

8.89A

Maximum PV module numbers in Series: 1 PV module numbers in Parallel: 6 Total PV module numbers: 1 x 6 = 6

CAUTION: Appliances such as air conditioner are required at least 2~3 minutes to restart because it’s required

to have enough time to balance refrigerant gas inside of circuits. If a power shortage occurs and recovers in a

short time, it will cause damage to your connected appliances. To prevent this kind of damage, please check

manufacturer of air conditioner if it’s equipped with time-delay function before installation. Otherwise, SP Initial

Series will trig overload fault and cut off output to protect your appliance but sometimes it still causes internal damage to the air conditioner.

Take SP5000 Initial-P as an example to select proper PV module. After considering Voc of PV module not exceed 105Vdc and max. Vmpp of PV module close to 60Vdc or within 56Vdc ~ 72Vdc, we can choose PV module with below specification.

Maximum Power (Pmax)

260W

Max. PV module numbers in series 2  30.9 x 2 ≒ 56 ~ 72

Max. Power Voltage Vmpp(V)

30.9V

Max. Power Current Impp(A)

8.42A

PV module numbers in parallel 6  50 A / 8.42 Total PV module numbers 2 x 6 = 12

Open Circuit Voltage Voc(V)

37.7V

Short Circuit Current Isc(A)

8.89A

Maximum PV module numbers in Series: 2 PV module numbers in Parallel: 6 Total PV module numbers: 2 x 6 = 12

PV Module Selection: (Only for the model with MPPT solar charger)

When selecting proper PV modules, please be sure to consider below parameters:

1. Open circuit Voltage (Voc) of PV modules not exceeds max. PV array open circuit voltage of inverter.

2. Open circuit Voltage (Voc) of PV modules should be higher than min. battery voltage.

INVERTER MODEL

SP3000 Initial-M

SP5000 Initial-M

Max. PV Array Open Circuit Voltage

100Vdc

145Vdc

PV Array MPPT Voltage Range

30~80Vdc

60~115Vdc

Take 250Wp PV module as an example. After considering above two parameters, the recommended module configurations for SP3000 Initial-M and SP5000 Initial-M are listed as below table.

Maximum Power (Pmax)

250W

SP3000 Initial-M:

 2 pieces in serial and 2 sets in parallel.

SP5000 Initial-M:

 2 pieces in serial and 6 sets in parallel, or  3 pieces in serial and 4 sets in parallel

Max. Power Voltage Vmpp(V)

30.1V

Max. Power Current Impp(A)

8.3A

Open Circuit Voltage Voc(V)

37.7V

Short Circuit Current Isc(A)

8.4A

PV Module Wire Connection

Please follow below steps to implement PV module connection:

1. Remove insulation sleeve 10 mm for positive and negative conductors.

2. Suggest to put bootlace ferrules on the end of positive and negative wires with a

proper crimping tool.

3. Fix strain relief plate to the inverter with supplied screws as shown in below

chart.

4. Check correct polarity of wire connection from PV modules and PV input connectors. Then, connect positive

pole (+) of connection wire to positive pole (+) of PV input connector. Connect negative pole (-) of connection wire to negative pole (-) of PV input connector. Screw two wires tightly in clockwise direction. Recommended tool: 4mm blade screwdriver

5. To ensure wires are securely connected, you fix wires to the strain relief with cable tie.

Final Assembly

After connecting all wirings, please put bottom cover back by screwing two screws as shown below.

Communication Connection

Please use supplied communication cable to connect to inverter and PC. Insert bundled CD into a computer and

follow on-screen instruction to install the monitoring software. For the detailed software operation, please

check user manual of software inside of CD.

OPERATION

Power ON/OFF

Once the unit has been properly installed and the batteries are connected well, simply press On/Off switch

(located on the button of the case) to turn on the unit.

Operation and Display Panel

The operation and display panel, shown in below chart, is on the front panel of the inverter. It includes

three indicators, four function keys and a LCD display, indicating the operating status and input/output

power information.

LED Indicator

Messages

Green

Solid On

Output is powered by utility in Line mode.

Flashing

Output is powered by battery or PV in battery mode.

Green

Solid On

Battery is fully charged.

Flashing

Battery is charging.

Red

Solid On

Fault occurs in the inverter.

Flashing

Warning condition occurs in the inverter.

Function Keys

Function Key

Description

ESC

To exit setting mode

To go to previous selection

DOWN

To go to next selection

ENTER

To confirm the selection in setting mode or enter setting mode

LCD display

LED indicators

Function keys

Side view of unit

LCD Display Icons

Icon

Function description

Input Source Information

Indicates the AC input.

Indicates the PV input

Indicate input voltage, input frequency, PV voltage, charger current (if PV in

charging for 3K models), charger power (only for MPPT models), battery

voltage.

Configuration Program and Fault Information

Indicates the setting programs.

Indicates the warning and fault codes.

Warning: flashing with warning code.

Fault: lighting with fault code

Output Information

Indicate output voltage, output frequency, load percent, load in VA, load in

Watt and discharging current.

Battery Information

Indicates battery level by 0-24%, 25-49%, 50-74% and 75-100% in battery

mode and charging status in line mode.

In AC mode, it will present battery charging status.

Status

Battery voltage

LCD Display

Constant

Current mode /

Constant

Voltage mode

<2V/cell

4 bars will flash in turns.

2 ~ 2.083V/cell

Bottom bar will be on and the other three bars will flash in turns.

2.083 ~ 2.167V/cell

Bottom two bars will be on and the other two bars will flash in turns.

> 2.167 V/cell

Bottom three bars will be on and the top

bar will flash.

Floating mode. Batteries are fully charged.

4 bars will be on.

In battery mode, it will present battery capacity.

Load Percentage

Battery Voltage

LCD Display

Load >50%

< 1.85V/cell

1.85V/cell ~ 1.933V/cell

1.933V/cell ~ 2.017V/cell

> 2.017V/cell

Load < 50%

< 1.892V/cell

1.892V/cell ~ 1.975V/cell

1.975V/cell ~ 2.058V/cell

> 2.058V/cell

Load Information

Indicates overload.

Indicates the load level by 0-24%, 25-49%, 50-74% and 75-100%.

0%~24%

25%~49%

50%~47%

75%~100%

Mode Operation Information

Indicates unit connects to the mains.

Indicates unit connects to the PV panel. Indicates load is supplied by utility power.

Indicates the utility charger circuit is working.

Indicates the DC/AC inverter circuit is working.

Mute Operation

Indicates unit alarm is disabled.

LCD Setting

After pressing and holding ENTER button for 3 seconds, the unit will enter setting mode. Press “UP” or “DOWN”

button to select setting programs. And then, press “ENTER” button to confirm the selection or ESC button to

exit.

Setting Programs:

Program

Description

Selectable option

Exit setting mode

Escape

Output source priority:

To configure load power source priority

Solar first

Solar energy provides power to the

loads as first priority.

If solar energy is not sufficient to

power all connected loads, battery

energy will supply power the loads

at the same time.

Utility provides power to the loads

only when any one condition

happens:

- Solar energy is not available

- Battery voltage drops to low-level

warning voltage or the setting

point in program 12.

Utility first (default)

Utility will provide power to the

loads as first priority.

Solar and battery energy will

provide power to the loads only

when utility power is not available.

SBU priority

Solar energy provides power to the

loads as first priority.

If solar energy is not sufficient to

power all connected loads, battery

energy will supply power to the

loads at the same time.

Utility provides power to the loads

only when battery voltage drops to

either low-level warning voltage or

the setting point in program 12.

Maximum charging current: To configure total charging current for solar and utility chargers. (Max. charging current = utility charging current + solar charging current)

Available options in SP3000 Initial-P/SP3000 Initial-M model:

20A 30A 40A (default for MPPT model)

50A (default for PWM model)

Maximum charging current: To configure total charging current for solar and utility chargers. (Max. charging current = utility charging current + solar charging current)

60A 70A (only for PWM model)

Available options in SP5000 Initial-P/SP5000 Initial-M:

10A

20A 30A 40A 50A (default for PWM model)

60A (default for MPPT model)

70A 80A

90A 100A

110A

120A (Only for MPPT model)

AC input voltage range Appliances (default)

If selected, acceptable AC input

voltage range will be within

90-280VAC.

UPS If selected, acceptable AC input

voltage range will be within

170-280VAC.

Battery type

AGM (default)

Flooded

User-Defined

If “User-Defined” is selected,

battery charge voltage and low DC

cut-off voltage can be set up in

program 26, 27 and 29.

Auto restart when overload occurs

Restart disable

(default)

Restart enable

Auto restart when over temperature occurs

Restart disable

(default)

Restart enable

Output frequency

50Hz (default)

60Hz

Maximum utility charging current

Note: If setting value in program 02 is smaller than that in program in 11, the inverter will apply charging current from program 02 for utility charger.

Available options in SP3000 Initial-P/SP3000 Initial-M:

15A 25A (default)

Available options in SP5000 Initial-P/SP5000 Initial-M:

2A 10A 20A 30A (default)

40A

50A

60A

Setting voltage point back to utility source when selecting “SBU priority” or “Solar first” in program 01.

Available options in SP3000 Initial-P/SP3000 Initial-M:

22.0V

22.5V

23.0V (default)

23.5V

24.0V

24.5V

25.0V

25.5V

Available options in SP5000 Initial-P/SP5000 Initial-M:

44V 45V

46V (default)

47V

48V 49V

50V 51V

Setting voltage point back

to battery mode when

selecting “SBU priority” or

“Solar first” in program 01.

Available options in SP3000 Initial-P/SP3000 Initial-M:

Battery fully charged

24V 24.5V

25V

25.5V

26V

26.5V

27V (default)

27.5V

28V

28.5V

29V

Available options in SP5000 Initial-P/SP5000 Initial-M:

Battery fully charged

48V

49V 50V

51V 52V

53V 54V (default)

55V 56V

57V 58V

Charger source priority:

To configure charger source priority

If SP Initial Series is working in Line, Standby or Fault mode, charger source can be programmed as below:

Solar first

Solar energy will charge battery as

first priority.

Utility will charge battery only when

solar energy is not available.

Utility first

Utility will charge battery as first

priority.

Solar energy will charge battery

only when utility power is not

available.

Solar and Utility

(default)

Solar energy and utility will charge

battery at the same time.

Only Solar

Solar energy will be the only

charger source no matter utility is

available or not.

If SP Initial Series is working in Battery mode or Power saving mode, only solar energy can charge battery. Solar

energy will charge battery if it's available and sufficient.

Alarm control

Alarm on (default)

Alarm off

Auto return to default display screen

Return to default

display screen

(default)

If selected, no matter how users

switch display screen, it will

automatically return to default

display screen (Input voltage

/output voltage) after no button is

pressed for 1 minute.

Stay at latest screen

If selected, the display screen will

stay at latest screen user finally

switches.

Backlight control

Backlight on

(default)

Backlight off

Beeps while primary source is interrupted

Alarm on (default)

Alarm off

Overload bypass: When enabled, the unit will transfer to line mode if overload occurs in battery mode.

Bypass disable

(default)

Bypass enable

Record Fault code

Record enable

(default)

Record disable

Bulk charging voltage (C.V voltage)

SP3000 Initial-P/SP3000 Initial-M default setting: 28.2V

SP5000 Initial-P/SP5000 Initial-M default setting: 56.4V

If self-defined is selected in program 5, this program can

be set up. Setting range is from 25.0V to 31.5V for

3KVA/3KVA Plus model and 48.0V to 61.0V for 5KVA model.

Increment of each click is 0.1V.

Floating charging voltage

SP3000 Initial-P/SP3000 Initial-M default setting: 27.0V

SP5000 Initial-P/SP5000 Initial-M default setting: 54.0V

If self-defined is selected in program 5, this program can

be set up. Setting range is from 25.0V to 31.5V for SP3000

Initial-P/SP3000 Initial-M and 48.0V to 61.0V for SP5000

Initial-M/SP5000 Initial-P. Increment of each click is 0.1V.

Low DC cut-off voltage

SP3000 Initial-P/SP3000 Initial-M default setting: 21.0V

SP5000 Initial-P/SP5000 Initial-M default setting: 42.0V

If self-defined is selected in program 5, this program can

be set up. Setting range is from 21.0V to 24.0V for SP3000

Initial-P/SP3000 Initial-M and 42.0V to 48.0V for SP5000

Initial-P/SP5000 Initial-M. Increment of each click is 0.1V.

Low DC cut-off voltage will be fixed to setting value no matter what percentage of load is connected.

Display Setting

The LCD display information will be switched in turns by pressing “UP” or “DOWN” key. The selectable

information is switched as below order: input voltage, input frequency, PV voltage, charging current, charging

power (SP 3000/5000Initial-M), battery voltage, output voltage, output frequency, load percentage, load in

Watt, load in VA, load in Watt, DC discharging current, main CPU Version and second CPU Version.

Selectable information

LCD display

Input voltage/Output voltage

(Default Display Screen)

Input Voltage=230V, output voltage=230V

Input frequency

Input frequency=50Hz

PV voltage

PV voltage=60V

Charging current

Charging current=50A

Charging power (only for MPPT model)

MPPT charging power=500W

Battery voltage and output voltage

Battery voltage=25.5V, output voltage=230V

Output frequency

Output frequency=50Hz

Load percentage

Load percent=70%

Load in VA

When connected load is lower than 1kVA, load in

VA will present xxxVA like below chart.

When load is larger than 1kVA (≧1KVA), load in

VA will present x.xkVA like below chart.

Load in Watt

When load is lower than 1kW, load in W will

present xxxW like below chart.

When load is larger than 1kW (≧1KW), load in W

will present x.xkW like below chart.

Battery voltage/DC discharging current

Battery voltage=25.5V, discharging current=1A

Main CPU version checking

Main CPU version 00014.04

Secondary CPU version checking

Secondary CPU version 00003.03

Operating Mode Description

Operation mode

Description

LCD display

Standby mode / Power

saving mode

Note:

*Standby mode: The inverter is

not turned on yet but at this

time, the inverter can charge

battery without AC output.

*Power saving mode: If

enabled, the output of inverter

will be off when connected load

is pretty low or not detected.

No output is supplied by the

unit but it still can charge

batteries.

Charging by utility and PV energy.

Charging by utility.

Charging by PV energy.

No charging.

Fault mode

Note:

*Fault mode: Errors are caused

by inside circuit error or external

reasons such as over

temperature, output short

circuited and so on.

PV energy and utility can

charge batteries.

Charging by utility and PV energy.

Charging by utility.

Charging by PV energy.

No charging.

Operation mode

Description

LCD display

Line Mode

The unit will provide output

power from the mains. It will

also charge the battery at

line mode.

Charging by utility and PV energy.

Charging by utility.

Battery Mode

The unit will provide output

power from battery and PV

power.

Power from battery and PV energy.

Power from battery only.

Fault Reference Code

Fault Code

Fault Event

Icon on

Fan is locked when inverter is off.

Over temperature

Battery voltage is too high

Battery voltage is too low

Output short circuited or over temperature is detected by internal converter components.

Output voltage is abnormal. (For 3KVA model) Output voltage is too high. (For 5KVA model)

Overload time out

Bus voltage is too high

Bus soft start failed

Over current or surge

Bus voltage is too low

Inverter soft start failed

Over DC voltage in AC output

Battery connection is open

Current sensor failed

Output voltage is too low

NOTE: Fault codes 51, 52, 53, 55, 56, 57 and 58 are only available in 5KVA model.

Warning Indicator

Warning

Code

Warning Event

Audible Alarm

Icon flashing

Fan is locked when inverter is on.

Beep three times every second

Battery is over-charged

Beep once every second

Low battery

Beep once every second

Overload

Beep once every 0.5 second 10

Output power derating

Beep twice every 3 seconds

SPECIFICATIONS

Table 1 Line Mode Specifications

INVERTER MODEL

SP3000 Initial-P

SP5000 Initial-P

SP3000 Initial-M

SP5000 Initial-M

Input Voltage Waveform

Sinusoidal (utility or generator)

Nominal Input Voltage

230Vac

Low Loss Voltage

170Vac± 7V (UPS);

90Vac± 7V (Appliances)

Low Loss Return Voltage

180Vac± 7V (UPS);

100Vac± 7V (Appliances)

High Loss Voltage

280Vac± 7V

High Loss Return Voltage

270Vac± 7V

Max AC Input Voltage

300Vac

Nominal Input Frequency

50Hz / 60Hz (Auto detection)

Low Loss Frequency

40± 1Hz

Low Loss Return Frequency

42± 1Hz

High Loss Frequency

65± 1Hz

High Loss Return Frequency

63± 1Hz

Output Short Circuit Protection

Circuit Breaker

Efficiency (Line Mode)

>95% ( Rated R load, battery full charged )

Transfer Time

10ms typical (UPS);

20ms typical (Appliances)

Output power derating:

When AC input voltage drops to 170V,

the output power will be derated.

Input Voltage

Output Power

Rated Power

50% Power

90V 170V

280V

Table 2 Inverter Mode Specifications

INVERTER MODEL

SP3000 Initial-P

SP5000 Initial-P

SP3000 Initial-M

SP5000 Initial-M

Rated Output Power

3KVA/2.4KW

5KVA/4KW

3KVA/2.4KW

5KVA/4KW

Output Voltage Waveform

Pure Sine Wave

Output Voltage Regulation

230Vac± 5%

Output Frequency

50Hz

Peak Efficiency

93%

Overload Protection

5s@≥150% load; 10s@110%~150% load

Surge Capacity

2* rated power for 5 seconds

Nominal DC Input Voltage

24Vdc

48Vdc

24Vdc

48Vdc

Cold Start Voltage

23Vdc

46Vdc

23Vdc

46Vdc

Low DC Warning Voltage

@ load < 50%

23.0Vdc

46.0Vdc

23.0Vdc

46.0Vdc

@ load ≥ 50%

22.0Vdc

44.0Vdc

22.0Vdc

44.0Vdc

Low DC Warning Return Voltage

@ load < 50%

23.5Vdc

47.0Vdc

23.5Vdc

47.0Vdc

@ load ≥ 50%

23.0Vdc

46.0Vdc

23.0Vdc

46.0Vdc

Low DC Cut-off Voltage

@ load < 50%

21.5Vdc

43.0Vdc

21.5Vdc

43.0Vdc

@ load ≥ 50%

21.0Vdc

42.0Vdc

21.0Vdc

42.0Vdc

High DC Recovery Voltage

32Vdc

62Vdc

32Vdc

62Vdc

High DC Cut-off Voltage

33Vdc

63Vdc

33Vdc

63Vdc

No Load Power Consumption

<25W

<55W

<25W

<55W

Table 3 Charge Mode Specifications

Utility Charging Mode

INVERTER MODEL

SP3000 Initial-P

SP5000 Initial-P

SP3000 Initial-M

SP5000 Initial-M

Charging Algorithm

3-Step

AC Charging Current (Max)

25Amp

(@V

I/P

=230Vac)

60Amp

(@V

I/P

=230Vac)

25Amp

(@V

I/P

=230Vac)

60Amp

(@V

I/P

=230Vac)

Bulk Charging

Voltage

Flooded Battery

29.2

58.4

29.2

58.4

AGM / Gel Battery

28.2

56.4

28.2

56.4

Floating Charging Voltage

27Vdc

54Vdc

27Vdc

54Vdc

Charging Curve

Time

Battery Voltage, per cell

Charging Current, %

100%

50%

Bulk

(Constant Current)

Absorption

(Constant Voltage)

Maintenance

(Floating)

Current

Voltage

T1 = 10* T0, minimum 10mins, maximum 8hrs

2.43Vdc (2.35Vdc)

2.25Vdc

PWM Solar Charging Mode

INVERTER MODEL

SP3000 Initial-P

SP5000 Initial-P

Charging Current

50Amp

System DC Voltage

24Vdc

48Vdc

Operating Voltage Range

30~32Vdc

60~72vdc

Max. PV Array Open Circuit

Voltage

60Vdc

105Vdc

DC Voltage Accuracy

+/-0.3%

Max Charging Current

(AC charger plus solar

charger)

70Amp

110Amp

MPPT Solar Charging Mode

INVERTER MODEL

SP3000 Initial-M

SP5000 Initial-M

Charging Current

40Amp

60Amp

PV Array MPPT Voltage Range

30~80Vdc

60~115vdc

Max. PV Array Open Circuit

Voltage

100Vdc

145Vdc

Max Charging Current

(AC charger plus solar charger)

60Amp

120Amp

Table 4 General Specifications

INVERTER MODEL

SP3000 Initial-P

SP5000 Initial-P

SP3000 Initial-M

SP5000 Initial-M

Operating Temperature Range

-10°C to 50°C

Storage temperature

-15°C~ 60°C

Humidity

5% to 95% Relative Humidity (Non-condensing)

Dimension (D*W*H), mm

100 x 285 x 334

100 x 300 x 440

100 x 285 x 334

100 x 300 x 440

Net Weight, kg

6.3

8.5

6.5

9.7

TROUBLE SHOOTING

Problem

LCD/LED/Buzzer

Explanation / Possible cause

What to do

Unit shuts down automatically during startup process.

LCD/LEDs and buzzer will be active for 3 seconds and then complete off.

The battery voltage is too low (<1.91V/Cell)

1. Re-charge battery.

2. Replace battery.

No response after power on.

No indication.

1. The battery voltage is far too low. (<1.4V/Cell)

2. Internal fuse tripped.

1. Contact repair center for replacing the fuse.

2. Re-charge battery.

3. Replace battery.

Mains exist but the unit works in battery mode.

Input voltage is displayed as 0 on the LCD and green LED is flashing.

Input protector is tripped

Check if AC breaker is tripped and AC wiring is connected well.

Green LED is flashing.

Insufficient quality of AC power. (Shore or Generator)

1. Check if AC wires are too thin and/or too long.

2. Check if generator (if applied) is working well or if input voltage range setting is correct. (UPSAppliance)

Green LED is flashing.

Set “Solar First” as the priority of output source.

Change output source priority to Utility first.

When the unit is turned on, internal relay is switched on and off repeatedly.

LCD display and LEDs are flashing

Battery is disconnected.

Check if battery wires are connected well.

Buzzer beeps continuously and red LED is on.

Fault code 07

Overload error. The inverter is overload 110% and time is up.

Reduce the connected load by switching off some equipment.

Fault code 05

Output short circuited.

Check if wiring is connected well and remove abnormal load.

Temperature of internal converter component is over 120°C. (Only available for 3KVA models)

Check whether the air flow of the unit is blocked or whether the ambient temperature is too high.

Fault code 02

Internal temperature of inverter component is over 100°C.

Fault code 03

Battery is over-charged.

Return to repair center.

The battery voltage is too high.

Check if spec and quantity of batteries are meet requirements.

Fault code 01

Fan fault

Replace the fan.

Fault code 06/58

Output abnormal (Inverter voltage below than 190Vac or is higher than 260Vac)

1. Reduce the connected load.

2. Return to repair center

Fault code 08/09/53/57

Internal components failed.

Return to repair center.

Fault code 51

Over current or surge.

Restart the unit, if the error happens again, please return to repair center.

Fault code 52

Bus voltage is too low.

Fault code 55

Output voltage is unbalanced.

Fault code 56

Battery is not connected well or fuse is burnt.

If the battery is connected well, please return to repair center.

Appendix: Approximate Back-up Time Table

Model

Load (VA)

Backup Time @ 24Vdc 100Ah (min)

Backup Time @ 24Vdc 200Ah (min)

SP3000 Initial-P

SP3000 Initial-M

300

449

1100

600

222

525

900

124

303

1200

227

1500

164

1800

126

2100

108

2400

2700

3000

Model

Load (VA)

Backup Time @ 48Vdc 100Ah (min)

Backup Time @ 48Vdc 200Ah (min)

SP5000 Initial-P

SP5000 Initial-M

500

613

1288

1000

268

613

1500

158

402

2000

111

271

2500

215

3000

182

3500

141

4000

112

4500

100

5000

Note: Backup time depends on the quality of the battery, age of battery and type of battery.

Specifications of batteries may vary depending on different manufacturers.

opti-solar SP3000 Initial-P, SP3000 Initial-M, SP5000 Initial-P, SP5000 Initial-M User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual