Table of Contents
Advertisement
Quick Links
www.dasstech.com
DASS Tech Co., Ltd.
Customer Ser vice Center
1588-7468
Main Phone of Headquar ter
043-218-5670
(FAX)
043-218-5671
E-mail
webmaster@dasstech.com
The specifications of the product are subject to change without notice due to quality improvement, etc.
Headquarter: 109, Yangcheongsongdae-gil, Ochang-eup, Cheongwon-gu, Cheongju-si, Chungcheongbuk-do,
28118, Republic of Korea (in Science Park of Ochgang)
http://www.dasstech.com
Ver 1
.
1
Manual for Use and Installation
DASSTECH Solar Photovoltaic
DSP-3320i-ODS
DSP-3325i-ODS
DSP-3333i-ODS
Version 1.1
Advertisement
Table of Contents
Related Manuals for DASS Tech SOLEAF DSP-3320i-ODS
Summary of Contents for DASS Tech SOLEAF DSP-3320i-ODS
- Page 1 Manual for Use and Installation DASSTECH Solar Photovoltaic DSP-3320i-ODS DSP-3325i-ODS DSP-3333i-ODS DASS Tech Co., Ltd. Version 1.1 Customer Ser vice Center 1588-7468 Main Phone of Headquar ter 043-218-5670 (FAX) 043-218-5671 E-mail webmaster@dasstech.com The specifications of the product are subject to change without notice due to quality improvement, etc.
-
Page 2: Dsp 3320I-Ods, Dsp 3325I-Ods, Dsp 3333I-Ods
The product , service and features that you purchased are bound by DASS TECH's commercial contract and terms,The product, service and features(or part of them) described in this document may not be in your purchase or usage range. DASS TECH does not declare or Outline guarantee any content in this document except there are other contractual stipulation. -
Page 3: Table Of Contents
Installation Process 10 Quality Assurance 3.2 Checking Before Installation 3.3 Tools 3.4 Determining the Installation Position 3.5 Moving the DASS TECH inverters 3.6 Installing the DASS TECH inverters 4 Electrical Connections Electrical connection 4.2 Connecting PGND Cables 4.3 Connecting AC Output Power Cables 4.4 Connecting Communications Cables... -
Page 4: Basic Safety Information
Only get permission by the local power department and complete all electrical connection by professional electrical engineer then connect inverter into grid! this unit, can install this inverter. DASS Tech Co., Ltd does not take any responsibility for the Attention... -
Page 5: Symbols And Signs
DSP 3320i-ODS, DSP 3325i-ODS, DSP 3333i-ODS DSP 3320i-ODS, DSP 3325i-ODS, DSP 3333i-ODS User manual User manual Operation Signs on the inverter There are some symbols which are related to security on the inverter. Please read and Touching the power grid or the terminal of equipment may lead to die of electric understand the content of the symbols, and then start the installation. -
Page 6: Product Characteristics
Transformer Transformer Transformer Product identification It introduces the field of use, and how to indentify different types of DASS TECH inverter. Function description It introduces how the inverter works and the function modules inside. DASS TECH inverter DASS TECH inverter... - Page 7 DSP 3320i-ODS, DSP 3325i-ODS, DSP 3333i-ODS DSP 3320i-ODS, DSP 3325i-ODS, DSP 3333i-ODS User manual User manual The choice of model of inverter must be made by a qualified technician who knows about The specific models of multi-string inverter that this manual is about are divided into four the installation conditions, Designer chooses the proper inverter model according to groups according to the maximum output power (DSP 3320i-ODS, DSP 3325i-ODS, DSP installation site ,enviroment and whole system integration.
-
Page 8: Function Description
The output isolation relay isolates the inverter from the electric grid when the grid or the inverter is faulty. The LC filter filters out the high-frequency components from the AC output of DASS TECH inverter to ensure that the AC output meets electric grid requirements;... - Page 9 DSP 3320i-ODS, DSP 3325i-ODS, DSP 3333i-ODS DSP 3320i-ODS, DSP 3325i-ODS, DSP 3333i-ODS User manual User manual Figure2-10 Electrical block diagram Function module A. Configurable relay The inverter has a configurable switching relay that can be used in various operating conditions set in the dedicated menu. A typical application example is the closing of the contact when an alarm occurs.
-
Page 10: Protection Modules
30000 B. RCMU 25000 DASS TECH inverter are equipped with a redundancy current device to monitor ground leakage current sensitive to all components of both direct and alternating current. When the steady-state leakage current is larger than 20000 300mA or instant leakage current is higher than 30mA/60mA /150mA, inverter will disconnect the grid in 15000 different time delay. -
Page 11: Installation
Checking the surface of packing Do not install the DASS TECH inverter in places prone to body contact because materials for damage, such as holes and cracks. If any damage is found, do not unpack the the DASS TECH inverter shelf and heat sinks become hot during the DASS inverter and contact the dealer as soon as possible. -
Page 12: Tools
AC power cables. DSP 3333i-ODS 6PCS Used to remove AC connectors from 2PCS M6 Hexagon screws the DASS TECH inverter Note: The torque screwdriver and flat-head screwdriver are alternative. M8*80 Expansion bolts used to secure the 6PCS Socket wrench... -
Page 13: Determining The Installation Position
User manual 3.4 Determining the Installation Position Tool Model Function Determine an appropriate position for installing the DASS TECH inverter. R 45 2PCS Comply with the following requirements when determining the installation position: Figure 3-2 Installation position requirements Cable cutter... -
Page 14: Moving The Dass Tech Inverters
Many DASS TECH inverter installation Figure3-4 Moving the DASS TECH inverter (2) Step 2 Lift the DASS TECH inverter from the packing case and move it to the installation position. To prevent device damag and personal injury, keep balance when moving the 200mm DASS TECH inverter because the DASS TECH inverter is heavy. -
Page 15: Electrical Connections
PV modules using opaque cloth. Danger DASS TECH inverter has 2 MPP trackers, all PV modules connected to the same MPPT should have similar rated electrical characteristics (including Isc, Voc, Im, Vm, Pm and temperature coefficients), have the same number of series connected PV modules and be all in the same orientation (azimuth and tilt angle). -
Page 16: Electrical Connection
Note：L2 is 2 to 3mm longer than L1 Good grounding for the DASS TECH inverter can help resist the impact of the surge voltage and improve the Step 2 Insert the exposed core wires into the OT terminal and crimp them by using a crimping EMI performance. -
Page 17: Connecting Ac Output Power Cables
Step 1 Open the AC connector cover. Figure4-5 Open the cover schematic diagram Connect the DASS TECH inverter to the AC power distribution frame (PDF) or electrical grid using AC output power cables. It is not allowed for several inverters to use the same circuit breaker. -
Page 18: Connecting Communications Cables
Step 1 Remove the insulation layer of an appropriate length from the shielded network cable using a wire stripper. Step 2 Open DASS TECH inverter lower cover and insert the shielded network cable into the cable screw nut, seals, screw nut. - Page 19 Figure 4 21 Relay Connection (3) Follow-up Procedure To remove an RJ45 connector from DASS TECH inverter, remove the cable screw nut, press the clip on the RJ45 connector, and then pull out the shielded RJ45 connector. 8mm pullout Procedure Step 1 To prepare the appropriate cable.
-
Page 20: Connecting Dc Input Power Cables
During PV array and DASS TECH inverter installation, the positive or less than Maximum DC input voltage of DASS TECH inverter, The output voltage of the solar array must be negative terminals of PV arrays may be grounded if power cables are consistent with the MPPT voltage range. - Page 21 DSP 3320i-ODS, DSP 3325i-ODS, DSP 3333i-ODS DSP 3320i-ODS, DSP 3325i-ODS, DSP 3333i-ODS User manual User manual Context Figure 4-24 Negative connector composition Table 4-6 Recommended DC input cable specifications Cross-Sectional Area (mm) External Cable Diameter(mm) Range Recommended Value 4.0~6.0 4.5~7.8 DC input connectors are classified into positive and negative connectors, as shown in Figure 4-24 and Figure 4-25.
- Page 22 Step 7 Insert the positive and negative connectors into corresponding DC input terminals of the DASS TECH inverter until you hear a "click" sound, as shown in Figure 4-28. Figure 4-27 Connecting DC input power cables 1. Positive power cable 2.
-
Page 23: Safety Check
User manual User manual Follow-up Procedure To remove the positive and negative connectors from the DASS TECH inverter, insert a removal wrench into the bayonet and press the wrench with an appropriate strength, as Commissioning of inverter shown in Figure 4-29. -
Page 24: Operation Interface
LCD standard interface is used to display inverter states、information and parameter setting etc. Operation interface Outlines of this chapter Introduce the dispaly operation buttons and LED light of DASS TECH inverter. 6.1 Operation and Display Panel Buttons and Indicator lights 、... -
Page 25: Main Interface
DSP 3320i-ODS, DSP 3325i-ODS, DSP 3333i-ODS DSP 3320i-ODS, DSP 3325i-ODS, DSP 3333i-ODS User manual User manual Inverter states includes: wait、check、normal、fault and permanent Wait ： Inverter is waiting to Check State at the end of reconnection time. In this state, the PV voltage is more than 250V, grid voltage value is between the max and min limits and so on;... - Page 26 DSP 3320i-ODS, DSP 3325i-ODS, DSP 3333i-ODS DSP 3320i-ODS, DSP 3325i-ODS, DSP 3333i-ODS User manual User manual Set Country Code (A) “Enter Setting” Interface as below: Users press “Back” button to enter “1.Enter setting” interface, Press OK button to enter main setting interface.
- Page 27 DSP 3320i-ODS, DSP 3325i-ODS, DSP 3333i-ODS DSP 3320i-ODS, DSP 3325i-ODS, DSP 3333i-ODS User manual User manual On-Off Control Relay Command Definition: Users press ''Back'' button to enter ''1.Enter Setting'' interface,Press ''OK'' button to enter main setting interface.Enter ''5.On-Off Control'' by pressing ''UP'' button or the relay switches whenever a connection to (or a disconnection from) the grid occurs.
- Page 28 User can change the Insulation protection point by the LCD. First the User need to copy the. Input mode selection： DASS TECH inverter has 2 MPPT, The two MPPT can run TXT file which is used to change the Insulation protection point to the SD card .
- Page 29 DSP 3320i-ODS, DSP 3325i-ODS, DSP 3333i-ODS DSP 3320i-ODS, DSP 3325i-ODS, DSP 3333i-ODS User manual User manual Setting P(f) (C) “SystemInfo” Interface as below: Users press Back button to enter “1.Enter setting” interface, Press OK button to enter main “ ” setting interface.
- Page 30 Uv2, Of1, Of2, Uf1, UF2 value and time (ms) will be displayed by pressing "Up" or Step 4 DASS TECH will send the Software code to the user who needs to update. After user receive "Down" button.
-
Page 31: Trouble Shooting And Maintenance
The input voltage is too low connected in a PV string, thus the voltage(Vmp) of the PV string is lower than the minimum operating voltage of DASS TECH inverter. If yes, adjust the Trouble shooting and maintenance number of series connected PV modules to increase the voltage of the PV string to fit the input voltage range of DASS TECH inverter. - Page 32 The input current is ID28 The Dci is too high Check the input mode(parallel mode/ independent DciOCP unbalance,and has cause mode) setting of DASS TECH inverter according to unrecoverable fault Section 4.5 of this user manual. ID69 UnrecoverVbusUnbalance The bus voltage Is If the input mode is correct, turn OFF the “DC...
-
Page 33: Maintenance
Cooling fan cleaning For the long-term proper operation of DASS TECH inverters, ensure there is enough space around the heat sink for ventilation, check the heat sink for blockage (dust, snow, etc.) and clean them if they exist. Please clean the heat sink with an air blower, a dry &... -
Page 34: Technical Data
Max. AC power 27500VA 22000VA 36300VA Outlines of this chapter Rated AC voltage 3/N/PE,230/400Vac This topic lists the technical specifications for all DASS TECH inverters. Grid voltage range ） 310-480Vac( adjustable 9.1 Input parameter (DC) Grid frequency range 50~60Hz(adjustable, must meet local grid requirements) -
Page 35: General Data
Extension warranty can be purchased for extra 5, 7, 10 or 12 years. For more details please check with DASS TECH service team. Monitoring devices (WiFi card, Ethernet card, GPRS card, Weight 37kg GPRS kit) are not included in the on-site service range, but DASS TECH could provide remotely Cooling Nature service and replacing service.