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Dass Soleaf DSP-123JB-OD Operation And Installation

Photovoltaic grid-connected inverter/junction box
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Operation and Installation Manual
DASSTECH Photovoltaic
Grid-Connected Inverter/
Junction Box
DSP-123K6-OD ver1.3
DSP-123JB-OD ver1.1

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Summary of Contents for Dass Soleaf DSP-123JB-OD

  • Page 1 Operation and Installation Manual DASSTECH Photovoltaic Grid-Connected Inverter/ Junction Box DSP-123K6-OD ver1.3 DSP-123JB-OD ver1.1...

  • Page 2: Table Of Contents

    Table of Contents 1. Safety precautions ........................2 2. Product overview.........................5 2.1 Basic issues........................5 2.2 Product specifications.....................8 Installation............................9 3.1 Block diagram……………………..................9 3.2 Installation location......................9 3.3 Wiring diagram for connecting terminal..............10 3.4 Wiring..........................11 4. Operation............................14 4.1 Explanation on functions of display window ..............14 4.2 Display mode for basic status ..................15 4.3 Operating method......................17 5.

  • Page 3: Safety Precautions

    1. Safety precautions Make sure to adhere to the safety precautions since they are aimed at safe and proper use of the product by preventing accidents or hazards in advance.  Precautions are classified into ‘Warning’ and ‘Caution’ with the following meanings: Warning: Situations with possibility of occurrence of serious injuries or death if the instructions are violated...
  • Page 4 Caution  Do not install in close vicinity of inflammable substance. It becomes a cause of fire if installed onto or attached close to combustible material.  Cut off the inverter input (solar cell) and output (AC system) power in the event of inverter breakdown.
  • Page 5 (6) General issues  Although there are portions of explanation with missing front cover or circuit breaker in the pictorial explanation indicated in this User and Installation Manual for more detailed explanation, make sure to operate the product in accordance with the User and Installation Manual after having installed the front cover and circuit breaker, etc.

  • Page 6: Product Overview

    In addition, check for any breakage during delivery. (1) Inverter types DSP - 1 2 3K 6 - OD Code Code Name Type DASS Tech. Outdoor type Code Phase Single phase Code Type Three phase Series No.
  • Page 7 2.1.4 Preparation of device and components necessary for operation Since there are some differences in the items to be prepared for operation, prepare components according to the need (example: multi-tester for checking voltage and wiring, and motorized tools for installation rack installation, etc.) 2.1.5 Installation Accurately install the inverter in a location without direct sunlight with considerations for the location and direction of the installation as well as the surrounding spaces in order to prevent degradation of...
  • Page 8 2.1.8 Product features (1) High efficiency power conversion It achieves highly efficient power conversion in PWM format by using IGBT semiconductor device with high efficiency of more than 96% of the rated output. (2) Digital control System control is more convenient through the use of high-performance digital controller that allows confirmation through LCD keypad.

  • Page 9: Product Specifications

    2.2 Product specifications Model name DSP - 123K6-OD Range of operating 100V ~ 500V voltage (25℃) Operating MPPT 200V ~ 400V voltage range (25℃) Rated voltage (25℃) Input 360V Operation initiation 150V voltage (25℃) Maximum input current (25℃) Rated output capacity 3.5 kW Rated voltage System voltage (AC 220/230V +10%/-12%)

  • Page 10: Installation

    3. Installation 3.1 Block diagram 1) DSP-123K6-OD ※ Sections marked with broken line indicate the inner aspect of the inverter. 3.2 Installation location Please install at a location that satisfied the following conditions. 1) Please install at a location without direct sunlight. 2) Do not install at a location with vibration.

  • Page 11: Wiring Diagram For Connecting Terminal

    3.3 Wiring diagram for connecting terminal Section for connection with the connector is situated at the bottom of the inverter. Read the terminal-wiring diagram carefully before connecting the connector. 1) Explanations on the main circuit connecting terminal section CH1 DC(+) CH1 DC(-) DC Switch RS485 CH2 DC(+) CH2 DC(-)

  • Page 12: Wiring

    (REMS) at the time of shipping from the factory. ID is set at ‘1’ as the basic value.  There is a need to change the communication protocol setting at the time of using Dass Tech protocol.  After having accessed Setting menu - Selection Set – REMS Monitor menu, change the set value to Disable and save with Enter key.
  • Page 13  In the event of altering wiring due to occurrence of incongruity, make sure that the LCD on the keypad of the main body is turned off prior to conducting rewiring work. Since the internal capacitor of inverter is charged at high voltage immediately after the power has been turned off. As such, take precaution against danger of electrocution.
  • Page 14 2) AC Connector installation 3.4.2 Communication circuit wiring 1) Precautions at the time of communication circuit wiring  Use communication connector at the time of control circuit terminal wiring. Refer to 3.3 Terminal wiring diagram.

  • Page 15: Operation

    4. Operation 4.1 Explanations on the display window functions 4.1.1 Exterior of display window 4.1.2 Display window functions and LED indications Status LED Explanations Indicates the status of solar cell string (Green light: Normal solar cell string) GRID Indicates the status of the system (Green light: Normal system) Indicates the status of inverter operation (Green light: Normal inverter power generation) FAULT Indicates inverter breakdown (Red light: Lights up if inverter breakdown occurs)

  • Page 16: Display Mode For Basic Status

    Display mode for basic status (2-line and 16-character LCD) Once the power to inverter is turned ON, information on the LCD display window is automatically converted at every 10-second intervals. 4.2.1 Solar cell input Input display Input voltage Input current PV: solar cell DC voltage DC current...
  • Page 17 4.2.5 Check power generated on the previous day Input display Total power generated DAY-1: Power generated on previous day →DAY-1 10 kWh ▶▶▶▶▶▶▶▶▶▶ 3.5kW Status of inverter operation Unit 4.2.6 Check current power generation Input display Power generated at the moment RUN: Status of operation →RUN 3.5kW...

  • Page 18: Operating Method

    4.3 Operating method 4.3.1 Issues to be checked prior to operation Check the status of wiring and installation of inverter. In particular, check whether the input polarity of solar cell is accurately connected and whether the system line connection is made accurately. Supply DC solar cell power to inverter.
  • Page 19 5.1.3 Initialization and measures to be taken at the time of abnormality In the event of occurrence of abnormality in which the inverter is stopped, relevant message will be displayed. Once the cause of the abnormality is removed, the system will recommence operation after the standby time.

  • Page 20: Explanations On Junction Box

    6. Explanations on junction box (DSP-123JB-OD) 6.1 Basic issues 6.1.1 Issues to be aware prior to the use ① Please use the product after having sufficiently familiarized with the contents of this User Manual. ② Make sure to install away from direct sunlight and in a cool location with good ventilation. Fuse may become short-circuited due to heat if the internal temperature increases because of direct sunlight.

  • Page 21: Precautions In Wiring

    6.3 Precautions at the time of wiring ※ At the time of module wiring, make sure to check the input voltage range of inverter and temperature coefficient of module. ※ At the time of cable wiring to the terminal block, make sure to use compression terminal (O or U type). There is a possibility of inducing fire due to defective contact if cable is connected directly.
  • Page 22 Module Module Channel No.1 Channel No. 2 Example 1) Erroneous cable wiring diagram If (+/-) is bound together wired connection board on the module side, melting and short-circuiting fuse occurs overcurrent on the (+) side Module Module Channel No. 2 Channel No.

  • Page 23: Maintenance

    7. Maintenance 7.1 General maintenance  Operation of photovoltaic inverter is initiated automatically if voltage above the operation initiation voltage is applied and stops operation automatically if the voltage falls below the said operation initiation voltage in accordance with the reduction in insolation. In the case of temporary abnormality (spontaneous power blackout, etc.), it will be reinitiate automatically once the cause of abnormality is removed.

  • Page 24: Quality Assurance

    ② Cut off the output power (AC system power) of inverter. In the case of DSP-3334K series product, there is no separate circuit breaker in the inverter. Turn off the switch of incoming and distribution panel. ③ Cut off the input power of inverter (solar cell). Turn the DC switch at the bottom of inverter to OFF position (refer to 4.

  • Page 25: Warranty

    temperature of the inverter. ③ If there is abnormality noise other than ordinary sound of operation, inspect presence of foreign substances inside the product. 7.3.6 State of grounding ① Check the state of connection or cut in the grounding cable. ②...
  • Page 26 7.4 Symptoms of breakdown This product will indicate the details of abnormality that occurs and stops operation automatically. If abnormality occurs, details of abnormality will be displayed in the keypad window. Causes and measures to be taken for breakdown Cause of Display Cause Measures to be taken...
  • Page 27 • In the event of having remodeled or repaired the product by those other than the designated service centers • If Dass Tech nameplate is not attached • In the event of occurrence of breakdown due to unauthorized dismantling, repair and replacement by the user •...
  • Page 28 • In the event of having remodeled or repaired the product by those other than the designated service centers • If Dass Tech nameplate is not attached • In the event of occurrence of breakdown due to unauthorized dismantling, repair and replacement by the user •...
  • Page 29 The specifications of this product can be changed without prior notification for purposes including improvement of quality. Please inquire at the time of purchase. DASS TECH. CO., LTD #109 Yangcheongsongdae-gil, Ochang-eup, Cheongwon-gu, Cheongju-si, Chungcheongbuk-do, 28118, Korea Tel: +82-43-218-5670 Fax:+82-43-218-5671 http://www.dasstech.com...

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Soleaf dsp-123k6-od

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