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Summary of Contents for CORAB Encor 17k
- Page 1 Year of release: 2023 version: 2 Operating assembly manual Translation No.: INS/003/0001.0002.0001/2023/002 Corab Encor READ BEFORE ASSEMBLY KEEP FOR THE WHOLE Inverter PERIOD OF USE OF THE DEVICE 17k/20k/30k en.corab.pl...
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Page 3: Table Of Contents
Table of contents 3 / 55 Table of contents: 3 Rules of use Introduction 3.1 Description of the device 1.1 General information 3.2 Use of the inverter according to its 1.2 Scope of delivery intended purpose 1.3 Definitions and abbreviations 3.3 Using the inverter against its intended 1.4 Identification details of the inverter purpose... - Page 4 4 / 55 Table of contents Table of contents: 9 Inspections and cleaning 6 Assembly 9.1 Personnel and safety 6.1 Personnel and safety 9.1.1 Results of non-compliance 6.1.1 Results of non-compliance 9.2 Initial and final actions 6.2 Procedures and tests 9.3 Inspections 6.2.1 Tools used for assembly 9.3.1 Semi-annual inspection...
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Page 5: Introduction
Person” also includes children and people with limited physical and/or mental capabilities. Unauthori- zed persons must not perform any activities connected with the device; Manufacturer – Corab S.A. seated in Olsztyn, entered in to the register of entrepreneurs of the National... -
Page 6: Identification Details Of The Inverter
6 / 55 Introduction Court Register under number 0000950779, the records of which are held by the District Court in Olsztyn, the 8th Commercial Division of the National Court Register, holder of NIP (Tax ID no.) 7390207757; Device – the inverter and the set of components covered by the Manufacturer’s delivery. The device has to be installed in accordance with this manual and used with the intended purpose;... -
Page 7: Declaration
Appendix no. 1 to this manual. 1.6 Liability This operating manual constitutes an integral part of the Corab Encor 17-30k inverter. The Customer shall be liable for compliance with the applicable regulations of law in scope of assembly of inverters, electrical installations and fire protection. -
Page 8: Safety - General Information
8 / 55 2 Safety - general information 2 Safety - general information This manual specifies the minimum safety rules regarding the assembly and use of the device. The qualified personnel is obligated to choose and have protective equipment for the time of assembly works. The manual has indicated the recommended personal protective equipment. - Page 9 2 Safety - general information 9 / 55 before the installation, check all the components for damage, dentures or visible defects; comply with the applicable regulations of law and OH&S regulations; comply with regulations regarding earthing of PV modules. NOTE Connect the frames of PV modules and other surfaces conducting direct current in a way that will allow for continuous conduction and earthing.
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Page 10: Requirements For Great Britain
10 / 55 2 Safety - general information SAFETY INSTRUCTION Keep the manual for the whole period of use of the device. SAFETY INSTRUCTION Install all the additional elements according to the Manufacturer’s manual. all works with the device must be performed by the qualified personnel; if the noise level of the surroundings exceeds 70dB, use hearing protectors;... -
Page 11: Prohibited Activities
2 Safety - general information 11 / 55 NOTE Before the commissioning, the qualified personnel must ensure that the device meets the require- ments of ESQCR22(1)(a) within the scope of assembly, construction and operation. 2.4 Prohibited activities The user and the qualified personnel must familiarize themselves with activities that are prohibited during the use of the device. -
Page 12: Work Site
2.6.1 Scope of user's obligations The user must: follow all the operational safety instructions and guidelines regarding the Corab Encor 17-30k inverter; properly prepare the work site after consulting the persons who will carry out the assembly (qualified person- nel);... -
Page 13: Obligations Of The Qualified Personnel
All the elements of personal protective equipment are selected on an individual basis by the qualified personnel and the user. The Manufacturer of the Corab Encor 17-30k device does not provide any personal protective equip- ment. The selected personal protective equipment must be compliant with the applicable safety regulations and the conditions at the place of installation of the device. -
Page 14: Hazards Due To Energy Accumulated In The Device
14 / 55 2 Safety - general information install the wires in such a way that their length ensures proper functioning of the device and does not lead to dangerous situations (they must not be too long or too short); combine DC wires of the same potential into one wire harness;... -
Page 15: Hazards Due To High Leakage Current
2 Safety - general information 15 / 55 do not work with connectors of the inverter, DC wires and PV modules when the power is connected. 2.8.3 Hazards due to high leakage current There is a risk of health damage! During the use of the inverter, there is a high working current that might lead to health damage or property damage. -
Page 16: Hazards Caused By Falling Components
16 / 55 2 Safety - general information use proper safety devices when working at heights; use fully operational and complete personal protective equipment; works carried out at a height can be performed only by persons with proper qualifications and competences. 2.8.7 Hazards caused by falling components There is a risk of being hit by falling components! During the use of the device, its improper installation might result in uncontrollable motion and dislocation. - Page 17 2 Safety - general information 17 / 55 Fig. 2 Location of pictograms on the device. Table 3. List of pictograms placed on the packaging of the device. Pictogram Meaning Warning! Glass element. Warning! This way up. Warning! Protect from rain. Warning! Pile of packages must have a maximum of 6 layers.
- Page 18 SPD – DC surge arrester AC Auxiliary Supply – additional power source Screen – screen of the device Corab Encor 17k * Name of the device. * Example of a model name Fig. 3 Locations of pictograms on the packaging of the device.
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Page 19: Rules Of Use
3.2 Use of the inverter according to its intended purpose The Corab Encor 17-30k inverter is a device intended to work with photovoltaic modules (PV modules). The inver- ter converts direct current (DC) from PV modules into alternating current (AC) of the electrical grid. Alternating current is transmitted to the electrical grid. -
Page 20: Danger Arising From Use Of The Inverter Against Its Intended Purpose
20 / 55 3 Rules of use in places/rooms without ventilation; at locations exposed to direct sunlight; in a manner against its intended purpose. DANGER Use that is against the intended purpose may lead to a hazardous situation that poses a threat to life and/or health. -
Page 21: Transport And Storage
4.4 Transport The Corab Encor 17-30k inverter can be transported by any means of transport. The means of transport must be adjusted to the weight and size of the device. All the used tools, safety devices, transported machines must be fully operational and complete. -
Page 22: Transport Conditions
22 / 55 4 Transport and storage The device is delivered to the first Customer by the Manufacturer. Components are prepared for transport in form of packages, cardboard boxes placed on pallets in piles (maximum 6 layers). The Manufacturer shall not be liable for defects caused during transport, if the transport is not carried out by the Manufacturer or upon their order. -
Page 23: Construction
5 Construction 23 / 55 5 Construction 5.1 Personnel and safety Preparation of components of the device for assembly and verification of their condition must be carried out only by the qualified personnel. General safety rules have been described in Chapter 2 of this operating manual. 5.1.1 Results of non-compliance Non-compliance with the requirements regarding personnel, safety rules and OH&S regulations may lead to: danger for human health and/or life;... -
Page 24: Anti-Islanding
24 / 55 5 Construction Fig. 4 The control screen, where 1 - LED display, 2 - status diode - operation status, 3 - status diode - fault, 4 - function key – up / return, 5 - function key – down / confirm. 5.2.2 Anti-islanding The inverter is equipped with a protective device that prevents generation of electrical energy of alternating current in case of power breakdown. -
Page 25: Communication Interface
Wi-Fi/LAN logger – a communication module that gathers information from the module, such as data on its status, efficiency, etc. Connection of Pocket Wi-Fi enables visualization of data in the Corab One application within the scope of own consumption, import and export of electricity to and from the electrical grid;... -
Page 26: Arrangement Of Terminals And Clamps
26 / 55 5 Construction 5.2.7 Arrangement of terminals and clamps The clamps are located in the bottom wall of the device. The arrangement of the clamps has been presented in Fig. 7. DC load switch DC input COM Wi-Fi RJ-45 port* pressure equalizing valve Wi-Fi/USB... -
Page 27: Device Specification
Fig. 8 Marking of device dimension. Power [W] Corab Encor 17k 35000 30000 25000 MPPT: 160-980V 20000 15000 10000 5000 Temp. [°C] Fig. 9 Chart depicting the change in working parameters for Corab Encor 17k depending on temperature. -
Page 28: Dc Input
28 / 55 5 Construction 5.3.2 DC input Table 6 DC input parameters for all models of the device. Parameter/model of inverter CE 17k CE 20k CE 30k Max input power [Wp] 25 500 30 000 45 000 Max input voltage V] 1 100 Nominal DC voltage [V] Range of MPPT voltage [V]... -
Page 29: Protective Equipment And Effectiveness
5 Construction 29 / 55 5.3.4 Protective equipment and effectiveness Table 8 Parameters of protective equipment and effectiveness for all models of the device. Parameter/model of inverter CE 17k CE 20k CE 30k European efficiency [%] 97,8 98,0 Maximum efficiency [%] 98,3 98,5 Protection against insufficient... -
Page 30: Assembly
30 / 55 6 Assembly 6 Assembly 6.1 Personnel and safety Works connected with the assembly of the device and additional elements can be carried out only by the qualified personnel. General safety rules have been described in Chapter 2 of this operation manual 6.1.1 Results of non-compliance Non-compliance with the requirements regarding personnel, safety rules and OH&S regulations may lead to: danger for human health and/or life;... -
Page 31: Tools Used For Assembly
6 Assembly 31 / 55 HINT The place of assembly must allow for freedom of movement, without collision with buildings, permanent elements of the terrain (poles, buildings, fences). SAFETY INSTRUCTION The customer is responsible for verifying the qualifications of the qualified personnel. 6.2.1 Tools used for assembly The tools and accessories necessary for the assembly have been listed in Table 9. -
Page 32: Additional Elements
6 Assembly 6.3 Additional elements The Corab Encor 17-30k inverter is a device intended for connection to a power grid and PV modules. During the installation, the wires and their layout must comply with applicable regulations of law. The parameters of individual additional elements have been specified in Appendix no. 2, next to the action that requires a particular element. -
Page 33: Place Of Installation
Fig 11. The prohibited installation method. 6.4.1 Place of installation The Corab Encor 17-30k inverter can be mounted only in a placet: with a ± 5° inclination angle to the vertical; that provides ventilation; that does not expose the device to direct sunlight;... -
Page 34: Commissioning
34 / 55 6 Assembly The wall that the device is mounted on must be made of brick or concrete. The manufacturer allows for other surfaces used for installation only when they are as sturdy and stable as a brick or concrete wall. WARNING Assembly elements are not adjusted for installation on walls other than brick or concrete walls. -
Page 35: Starting And Stopping The Device
Chapter 8 of this operating manual. See how easy it is to add a new installation with the dedicated application developed for our inverter - Corab One. You will find in on Google Play or App Store. More information: www.en.corab.pl/encor. -
Page 36: Restart
36 / 55 7 Starting and stopping the device 7.4 Restart Before restarting the device, make sure that: the surge arrester ensures proper surge protection; the DC input voltage is lower than or equal to the maximum DC voltage (DC ≤ max. DC); WARNING If the DC voltage is too high, it may lead to permanent damage of the device or losses which are not covered by the warranty. -
Page 37: Operation
8 Operation 37 / 55 8 Operation 8.1 Personnel and safety Works connected with operation of the device must be carried out only by the qualified personnel. The general safety rules have been described in Chapter 2 to this operating manual. 8.1.1 Results of non-compliance Non-compliance with the requirements regarding personnel, safety rules and OH&S regulations may lead to: danger for human health and/or life;... -
Page 38: Functions Diagram
38 / 55 8 Operation 8.2.1 Functions diagram Status Grid DESCRIBED IN SECTION 8.2.2 Meter Grid power Meter Total import Total export Errors Production Settings Password Language English German Polish YYYY - MM - DD Time 00:00 Communication RS485 Addr RS485 Baud Safety... - Page 39 8 Operation 39 / 55 Password Safety Turn on/Turn off Turn on/Turn off Multi Comm Exp. control DESCRIBED IN SECTION 8.2.6 Active power Passive power DESCRIBED IN SECTION 8.2.7 Grid protection DESCRIBED IN SECTION 8.2.8 Monitoring DESCRIBED IN SECTION 8.2.9 System Reset DESCRIBED IN SECTION 8.2.10 Parallel com...
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Page 40: Function: Status
40 / 55 8 Operation 8.2.2 Function: Status Function Status is available on level 2. The function includes two parameters (level 3), where: Grid – stands for the current electrical and generation data for alternating current; PV – stands for current electrical data for PV modules. Status Gird Table 10 Parameters of the Status function. -
Page 41: Parameter: Exp. Control
8 Operation 41 / 55 DC power to AC; PV connection – used to select the connection mode of PV modules: in series or in parallel; Exp. control – used to change the limits in the outflow of energy to the grid. More information has been provi- ded in section 8.2.6. -
Page 42: Parameter: Grid Protection
42 / 55 8 Operation Overvoltage Enter PF value Undervoltage Enter PF value For the VDE ARN 4105 standard, the cos ф=f(P) setting is according to the diagram presented in Figure X; Upper limit f (P) Lower limit Fig. 11 cos ф=f(P) setting for the VDE ARN 4105 standard. For the E8001 standard, cos ф=f(P) is according to the diagram presented in Figure 14. - Page 43 8 Operation 43 / 55 Grid protection Grid protection Voltages Frequency Voltage range LVRT HVRT Voltage range UF/OF PF-watt Var-volt Table 11. Parameters for grid protection: voltage, frequency, voltage range, curve par. Designation Description O/V stage1 Threshold 1 for shutting down when voltage is too high. Threshold 1 for shutting down when voltage is too low.
- Page 44 44 / 55 8 Operation Designation Description FreqUFPTime2 Level 2 - response time at insufficient frequency. Level 3 - protection point against excessive frequency. O/F stage3 Level 3 - response time at excessive frequency. FreqOFPTime3 U/F stage3 Protection point against insufficient frequency Level 3. FreqUFPTime3 Level 3 - underfrequency response time.
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Page 45: Parameter: Monitoring
8 Operation 45 / 55 Designation Description Turning on or off of the voltage and passive power curves. Setting of four point for the Var-volt on/off output curve. Var-watt tau Var-Volt passive power adjustment time (curve). Var-volt 1 -V Point 1 voltage. Var-volt 2 -V Point 2 voltage. -
Page 46: Parameter: Advanced Settings
46 / 55 8 Operation Production reset Meter reset 8.2.11 Parameter: Advanced settings The parameter includes settings within ranges specified in Table 13. ENTER COMPEN- Adv. settings Energy control SATION VALUE Screen info. Factory set. Table 13 Adv. settings parameters. Designation Description Energy control... -
Page 47: Failures
DANGER The Corab Encor 17-30k is an electrical device. All works on the device must be carried out by the qualified personnel. The list of failures that might occur during the use of the device describes the procedures on how to handle them. - Page 48 48 / 55 8 Operation Error Description of the error Procedure AC10minsVolt IE08 Voltage error 1. Check the voltage value at the point of connection of the inverter, over 10 min if it is incorrect, contact the local distribution system operator; 2.
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Page 49: Servicing Department - Contact
In such a situation clean the radiators according to section 9 of this operating manual. DANGER The Corab Encor 17-30k inverter is an electrical device. All works on the device must be carried out by the qualified personnel. 8.4 Update USB stick Fig. - Page 50 50 / 55 8 Operation HINT Changing the file name might result in a failed update. 3. Set the DC load switch to OFF; 4. Disconnect the AC power; 5. Remove the Wi-Fi device from the Wi-Fi port, if the port is occupied; 6.
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Page 51: Inspections And Cleaning
5 minutes before you disconnect the DC terminal and the AC terminal; disconnect the AC and DC power from the device. DANGER The Corab Encor 17-30k inverter is an electrical device. All works on the device must be carried out only by the qualified personnel. DANGER Working with a live device might lead to a hazardous situation that can be dangerous to one’s life... -
Page 52: Semi-Annual Inspection
52 / 55 9 Inspections and cleaning 9.3.1 Semi-annual inspection Perform the semi-annual inspection every 6 months starting from the date of installation of the device. During the semi-annual inspection: check the back radiators for dust and dirt; check whether the function keys are legible and in proper condition; check the control panel for damage;... -
Page 53: Disposal And Disassembly
10 Disposal and disassembly 53 / 55 10 Disposal and disassembly 10.1 Personnel and safety Inspections and cleaning of the device must be carried out only by the qualified personnel. General safety rules have been described in Chapter 2 of this operation manual. 10.1.1 Results of non-compliance Non-compliance with the requirements regarding personnel, safety rules and OH&S regulations may lead to: danger for human health and/or life;... -
Page 54: Appendices - List
54 / 55 11 Appendices - list 11 Appendices - list Appendix no. 1 - Declaration of conformity Appendix no. 2 - List of elements and assembly... - Page 55 Corab S.A. ul. Michała Kajki 4, 10-547 Olsztyn, REGON: 510519084, NIP: 7390207757 entered in to the National Court Register managed by the District Court in Olsztyn, the 8th Commercial Division of the National Court Register under KRS number: 0000950779. Share capital: PLN 1,184,000.00 fully paid up.
- Page 56 [name and surname, position/name and surname, authorization] Corab S.A. ul. Michała Kajki 4, 10-547 Olsztyn, REGON: 510519084, NIP: 7390207757 entered in to the register of entrepreneurs of the National Court Register managed by the District Court in Olsztyn, the 8th Commercial Division of the National Court Register under KRS number: 0000950779. Share capital: PLN 1,184,000.00 fully paid up.
- Page 57 Appendix no. 2 1 / 12 Corab Encor 17-30k - List of elements and tools 2. Mounting bracket 3. Screw anchor Inverter Quantity: Quantity: Quantity: 4. Screw for screw anchor 5. Round washer Tools Quantity: Quantity: Crimper for RJ plugs...
- Page 58 2 / 12 Appendix no. 2 Corab Encor 17-30k - Mounting the inverter on a wall Tools Follow these steps to install the bracket for the inverter: 1. Press the bracket of the inverter against the wall; 2. Mark 3 spots that you will use to drill holes (at least 60mm deep);...
- Page 59 Appendix no. 2 3 / 12 Corab Encor 17-30k - Mounting the inverter on a wall Tools 1,2±0,1 [Nm] 0° ± 5° ≥300mm ≥300mm ≥300mm ≥300mm The screw is factory screwed into the enclosure of the inverter. Remove it. Use it to connect the enclosure of the inverter with the bracket.
- Page 60 4 / 12 Appendix no. 2 Corab Encor 17-30k - Connecting the inverter - connection of PV modules General information: NOTE Before starting the installation, read Chapter 2 of this operating manual. choose the fuse according to the relevant applicable regulations and working conditions;...
- Page 61 Appendix no. 2 5 / 12 Corab Encor 17-30k - Connecting the inverter - connection of PV modules NOTE Connect the inverter with PV modules with the same technical parameters and the same working conditions. HINT The device has several DC inputs. It is allowed to connect three DC strings in parallel in one input.
- Page 62 6 / 12 Appendix no. 2 Corab Encor 17-30k - Connecting the inverter - connection of PV modules Tools Click! Unscrew Unscrew Click! Prepare the DC connector according to the instructions below: 1. Prepare a wire with a gauge of 2.5-4 mm²;...
- Page 63 Appendix no. 2 7 / 12 Corab Encor 17-30k - Connecting the inverter - connection to the public network Tools 1,2±0,1 [Nm] sealing ring for a wire with a diameter of 18-25mm sealing ring for a wire with a diameter of 12-18mm...
- Page 64 8 / 12 Appendix no. 2 Corab Encor 17-30k - Connecting the inverter - connection to the public network DANGER It is prohibited to connect the inverter to a grid the voltage of which is beyond the permitted range specified in section 3.2 of this manual.
- Page 65 Appendix no. 2 9 / 12 Corab Encor 17-30k - Connection of the earthing (PE) Tools 1,2±0,1 Nm DANGER Using the device without connected earthing is prohibited. Prepare the PE earthing according to the instructions below: Prepare the earthing wire;...
- Page 66 10 / 12 Appendix no. 2 Corab Encor 17-30k - Connection of the RJ-45 connector Tools HINT Prepare the meter connector according to instructions below: 1) Prepare the supplied cable with the meter; 2) Use wire stripping pliers to remove the insulation from a section of the cable;...
- Page 67 Appendix no. 2 11 / 12 Corab Encor 17-30k - PIN codes a. description of connector PINs / electricity meter 485 B CODE 485 A 485 A 485 B meter A meter B RS-485 Corab Encor inverter RS-485 interface computer WARNING The meter must be approved by the Manufacturer of the inverter.
- Page 68 12 / 12 Appendix no. 2 Corab Encor 17-30k - PIN codes Potential-free contact potential-free potential-free Code contact - contact + Heat pump controller heat pump heat pump Code controller - controller +...
- Page 69 Notes...
- Page 70 Notes...
- Page 72 Corab S.A. ul. Michała Kajki 4, 10-547 Olsztyn, REGON: 510519084, NIP: 7390207757 entered in to the National Court Register managed by the District Court in Olsztyn, the 8th Commercial Division of the National Court Register under KRS number: 0000950779. Share capital: PLN 1,184,000.00 fully paid up.
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