Dass DSP-123K5-OD Technisches Datenblatt

DASS Tech

Photovoltaic Grid-Connected Inverter

DSP-123K5-OD ver1.0

Operation and Installation Manual

NOTICE

1. Caution for safety.................................................................2

2. Product ...........................................................................5

2.1 General .....................................................................5

2.2 Specification................................................................8

3. Installation.......................................................................9

3.1 Configuration................................................................9

3.2 Installation place...........................................................9

3.3 Terminal connection diagram.................................................10

3.4 Wiring......................................................................11

3.5 Cautions for mounting the inverter to the wall ................................14

4. Operation.........................................................................15

4.1 Display.....................................................................15

4.2 Basic mode .................................................................15

4.3 Operation method............................................................17

5. Function..........................................................................17

5.1 Descriptions................................................................17

6. Maintenance & repair..............................................................19

6.1 Types of error .............................................................19

6.2 Customer service............................................................20

7. Quality assurance.................................................................21

7.1 Warranty letter.............................................................21

1. Cautions for safety

Cautions for safety must be kept under any circumstances in order to prevent accident or dangers for safe and

right use.

There are two types of caution in the manual, warning and attention, as below.

Warning

Attention

Symbols in the products and the operation and installation manual indicate as follows.

Indicates that you must be careful for possible danger under certain conditions

Indicates that you must be careful for electric shock under certain conditions.

After reading this operation and installation manual, keep the manual in place that anyone can read it anytime.

Read this operation and installation manual carefully in order to use the functions of DSP series sufficiently and

safely.

Warning

Do not operate when the cover is open.

It could cause electric shock as high voltage terminal or electric charging is exposed outside.

Do not adjust switch when your hands are wet.

It could cause electric shock.

Do not open cover when power is on or in operation.

It could cause electric shock.

Do not open cover even when the power is off except for regular check.

The inverter is still charged even if the power is off due to the long-time charging, which could cause electric

shock.

Shut off the power and wait more than 10 minutes to confirm complete discharging to VOM from

inverter when doing wiring work or regular check.

It could cause electric shock.

Do not use this inverter in the event of damaged wire.

It could cause electric shock.

Do not put any heavy items on the wire.

It could damage insulated wire due to damaged sheath.

It possibly causes serious injury or death when violated.

It possibly causes minor injury or product damages when violated.

Attention

Keep away from inflammables.

If installed on or near combustible material, it could cause fire. When there is fire or smell, stop operation

immediately and contact us right away.

Shut off input power (solar cell) and output power (AC power) immediately when the inverter

malfunctions.

Otherwise, it could lead to fire by subsequent accidents.

Do not touch the inverter for about 10 minutes even if the power is off or when the power is on.

The inverter is very hot and it could cause burn on your body.

Do not input power even if you finish installation when the inverter or a part is damaged.

It could cause electric shock.

Be careful not to get any screw, metals, water, oil, etc. inside inverter.

It could cause fire.

Directions forApplication

(1) Transportation

Please transport by proper means according to product weight.

Please check external conditions.

Do not pile up beyond the limited level or height.

Do not open the cover while transported.

Do not drop or damage with shock, as this device is a precision one.

(2) Applications

If auto-operation function is initially set up, it automatically operates when the voltage goes above the start-

up voltage.

You can operate or stop with run/stop key on key pad.

Reset troubled items, and then it automatically operates after waiting time.

Do not remodel at your convenience.

Reset to the required value when initialized, otherwise it automatically reset to the predefined value.

(3) Trouble-shooting

In the event that the inverter gets damaged so that it becomes uncontrollable, the device can be placed in a

dangerous state. In order to prevent such state, install additional safety device such as emergency brake.

(4) Maintenance and Repair

Don’t perform mega-test (for electric insulation and resistance) for inverter control circuit. It could cause

malfunctions or damages.

Refer chapter 6 for detailed Descriptions.

(5) Disposal

Dispose as a general industrial waste.

(6) Others

The pictures in this operation and installation manual occasionally drop the cover or breaker in order to

explain in detail, however, you must strictly follow the guidelines in this manual for operation after

installing the cover and breaker.

Directions for Installation

(7) Installation

Follow the instructions in this operation and installation manual.

This product must be installed indoor. or outdoor

Be careful not to install this device at wet, dusty, direct ray of sun light or high temperature place.

In the event of indoor installation, secure the space at least 20cm from the top, bottom, left and right side of

the inverter.

In the event of outdoor installation, secure the space at least 1m from the ground surface.

Installation must be carried out by a technical expert.

Do not place any heavy items on the product.

Do not spray or keep away from any inflammable materials.

Installation direction must be set followed by the guidelines in this manual.

Do not drop or add damage to the inverter, as this device is a précised one.

Do Class 3 grounding work (200V class) for the inverter.

Don’t place other home appliance near this device. Otherwise, a fault or noise of home appliance may

happen.

Always use T-type hanger, and be careful not to be damaged by a sharp part.

Install the circuit breaker of solar cell side (DC) and install the inverter. And then operate this device after

completing the installation and turning on the power of solar cell. If you operate the inverter when the

power of solar cell (DC) is “ON”, a serious damage may happen.

(8) Wiring

If you make wrong connection, damage may happen on the inverter.

Please be careful in the event of wrong connection in the polarities (+/-) of DC power, damage may happen

on the inverter or a serious accident may occur. Refer chapter 3 for detailed Descriptions.

Please be careful of sorting power and ground wire when connecting AC Connecter. Refer chapter 3 for

detailed Descriptions.

The technical expert should carry out the wiring work or check.

After install the inverter body, carry out the wiring work.

(9) Adjustment at the time of commissioning

Confirm all setting values prior to operation

2. Product

2.1 General

2.1.1 Contents you should know before using the appliance

If you misuse the inverter, it is operated abnormally or its performance may be depreciated. As the inverter

might be broken or damage might impair the body seriously, use the inverter after understanding the application

or installation manual enough in using the inverter.

2.1.2Appearance of the product

2.1.3 Confirmation of Products

After removing packing, check the regular nameplate on the front body. Also, make sure that the form and rating

power of the inverter correspond to the ordered inverter.

(1)Inverter type

(2) Accessories –Operation & installation manual / input(DC) & output(AC) connectors / T-type hanger

2.1.4 Preparation of devices or components for operation

As the preparation for operation may be changed dependent on the installation environment more or less,

prepare necessary materials and parts, i.e. –Multi Tester to check voltage and wiring, gearing tools to install T-

type hanger and etc.

2.1.5 Installation

To prevent the lifetime or performance of the inverter from being depreciated, install the device exactly,

considering its installed position or direction, or peripheral space.

2.1.6 Wiring

Connect solar module input (DC) and grid power (AC) by using connectors . If an accurate connection is not

made, there can be problem in the inverter or peripheral devices and pls. wire carefully.

2.1.7 Construction of Solar Power System

The inverter requires the correction connection under the right selection of peripheral devices. Incorrect system

construction and connection may make the normal operation impossible or cause a serious declination in

lifetime. In the event of worst case, the inverter may be damaged by fire, and use this device in right manner in

accordance with the contents and notices in this manual.

2.1.8 Specific Features of the Product

(1) High Efficiency Power Conversion

The inverter converts the power in a high efficiency using IGBT and has high an efficiency characteristic of

96% or more at rated power.

(2) Digital Control

It’s more convenient to control the system through digital control with high performance. You can check the

system through LCD keypad. LCD screen monitors and indicates the present condition of operation, input

and output and any abnormality of the inverter. And its operation stops in the event of any error. It detects

the voltage of solar cells to operate or stop automatically.

High voltage

distribution line

Low voltage

distribution line

Solar cell array

Interlocked protection device

Cabinet panel

Watt-hour meter

Outdoor switch

PCS(Inverter)

Washing machine

Refrigerator

Load

Air conditioner

Incoming line

Commercial

system

(3) Transformer-less circuit

DSP-123K5-OD inverter is of transformer-less type and is suitable for the decentralized power system

designed for industry, building and residential purpose.

(4) Decentralized Power System and Profitability

Photovoltaic power generation is a power generation type which can be installed wherever the sun shines

exists. The decentralized power by unit of building, housing complex and photovoltaic generating plant

enables to use the system economically.

(5) MPPT (Maximum Power Point Tracking)

As the uneven direct current is generated as per ambient temperature, humidity, climate, environment and

radiation for the characteristic of solar cells, the inverter controls the solar cells tracks to maintain the

maximum power point through MPPT.

(6) Easy Parallel Operation

If the capacity of solar cells increases, the inverter can be added and connected for extension of capacity

without any additional equipment.

(7) Convenient Installation and Operation

This product is designed for more easy and safe connection of the solar cells to the system power. Through

frontal LCD keypad, it is designed to display the present condition of converter and you can stop the

operation manually.

(8) High Reliability and Low Noise

The components of the inverter are optimized to reduce the causes for defaults. Especially, the inverter

cooling fan that has a limited mechanical life time is removed to realize high reliability and low noise.

(9) Electromagnetic Compatibility(EMC)

By optimizing Pattern Generation of inverter, inverter is manufactured to be suitable for EMC standard.

(KSC IEC 61000-6-1, KSC IEC 61000-6-3, KSC IEC 61000-6-4)

2.2 Specification

Model NO.

DSP-123K5-OD

Input

Voltage range(25 ℃)

100V ~ 500V

MPPT Voltage range(25 ℃)

100V ~ 400V

Rated voltage(25 ℃)

350V

Start voltage(25 ℃)

150V

Control method

Max. Power Point Tracking control(MPPT)

Output

Rated output

3.1 kW

Rated voltage

Grid Voltage (AC 220V +10%/-12%)

Frequency change rate

Grid Frequency (60Hz +0.5Hz/-0.7Hz)

Grid connection

Single Phase 2 Wire

Power factor

0.95 or above

Current distortions

Total below 5%

Individual Harmonics 3% or under

Control method

PWM Method

Anti-islanding

Within 0.5 sec

Overload

110%

Efficiency

97.21% (Maximum) / 96.76% (Euro)

Structure

Cooling method

Natural air cooling

Protection structure

IP 65, Outdoor

Equipment noise

50 dB or less

External dimension

(W x L x H)

305 * 380 * 135.5 mm

Full weight

9.9kg

External interface

RS 485

Monitoring Device(Option)

DSP-WR5/DSP-ZR5(Wire/Wireless, RS485/232)

Protection

Function

Inverter

Input overvoltage, short circuit of output, over-load, overheating,

short of fuse and preventing DC output leakage

System

Anti-islanding(IEEE1547), Over/Under voltage of grid,Over/Under

frequency of grid

Environment

for

Operation

Ambient temperature

-20 ℃~ 50 ℃

Preserving temperature

-20 ℃~ 65 ℃

Ambient humidity

Below 90% RH (Under no Dewfall)

Altitude & vibration

1,000 m or less ·5.9m/sec²(=0.6g) or less

Ambient temperature

Shall be no corrosive gas, flammable gas, oil mist and dust

※Specifications ofthis product may be changed withoutprior notice for qualityimprovement, etc. Please inquiryat the time ofpurchase..

3. Installation

3.1 Configuration

1) DSP-123K5-OD

3.2 Installation place

Install the Solar Inverter at the place satisfying following conditions.

1) Do not install the inverter at the place where the vibration exists.

2) As the lifetime of inverter is affected by surrounding temperature, make sure that the surrounding temperature

around the place where the inverter is installed is lower than the allowable temperature (-10 ~ 50℃).

3) Avoid hot and humid place (Relative humidity should be less than 90%. No dewfall).

4) Install the inverter at the place with no direct sun shine.

5) As the inverter is a high temperature unit which generates the heat, it should be installed at the face of non-

flammable material.

6) Secure the sufficient space around the inverter so as to install it for efficient dissipation of the heat.

7) Avoid the place where oil mist, flammable gas, fabric mote, dust and moisture do not exist.

8) Install the inverter by tightening the screws firmly.

9) Install the inverter at the place where no salt exists.

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