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Summary of Contents for Noark PVBx Z 321
- Page 1 PVBx Photovoltaic Combiner Box Instruction Manual...
- Page 3 As a global company that is specialized in the research & development, manufacturing and sales of high-end intelligent electric system, NOARK Electric has more than 1,200 employees all over the world, and the research & development technicians account for 18%. The Company has 3 research & development centers, 3 logistics bases and more than one hundred sales branches worldwide.
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Page 5: Table Of Contents
CONTENTS INSTALLATION ABOUT THIS MANUAL 4.1 Pre-installation inspection 1.1 Foreword 4.2 Installation tool preparation 1.2 Content Introduction 4.3 Mechanical installation 1.3 Reader-oriented 4.3.1 Environmental requirements for installation 4.3.2 Installation methods and steps 1.4 How to use manual 4.4 Electrical Installation 1.5 Other matters 4.4.1 Preparation before wiring 1.6 Symbol usage... -
Page 6: About This Manual
2) The contents of the m a n u a l a n d t h e p i c t u re s , l o gos and symbols used are all owned by NOARK Electrics (Shanghai) Co.,Ltd. -
Page 7: Symbol Usage
This symbol indicates that the temperature here is higher than the acceptable range of the human body. Please do not touch it arbitrarily to avoid personal harm. This symbol indicates that this is the functional grounding (PE) end, which needs to be firmly grounded to ensure operator safety. NOARK... -
Page 8: Safety Instructions
PV series with an opaque material. Other wise, the PV module will generate a high voltage in the sunlight, which may lead to an electric shock hazard. · Do not open the door cover of the combiner box machine frequently, so as not to affect its waterproof performance. NOARK... -
Page 9: Product Introduction
Combiner box Intelligence For example, vertical row 20 sink 2 circuit combiner box (disconnector): PVBx 202; Horizontal 32 sink 1 loop combiner box (disconnector): PVBx Z 321; Horizontal 24 sink 1 circuit combiner box (circuit breaker): PVBx Z 241; NOARK... -
Page 10: Name Plate Identification And Installation Location
Maximum No. of String: DC1500V Rated Voltage: Rated Input Current: Maximum Output Current: 456A Operating Temperature: -25~+60 International Protection: IP65 Serial Number: Date of Production: Carried Standard: IEC 61439-2 Installation location: lower left of the product, see the figure below for details NOARK... -
Page 11: Functional Features
7) With RS485/MODBUS-RTU serial communication. 8) Lightning protection is standard on series. 9) It can receive the parameter download of the local monitoring device and perform analysis and processing. NOARK... -
Page 12: Technical Parameters
(1) The outlet switch is an isolating switch Product model PVBx 101 PVBx 181 PVBx 202 PVBx Z 161 PVBx Z 241 PVBx Z 321 Is it intelligent? Number of input channels Number of output channels Maximum input voltage/V DC1500 Per input current/A 0~19 (can be adjusted according to actual needs) Recommended input cable/mm²... - Page 13 Detect each circuit current, bus voltage, circuit breaker status, surge protector status, box temperature Circuit breaker status Mating Surge protector status Mating Box size/mm (lateral X vertical X 700X600X200 800X750X220 thickness) Installation size/mm (lug center 720X525 820X675 distance: transverse X vertical) Weight/KG NOARK...
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Page 14: Internal Structure Diagram
3.5 Internal Structure Diagram This is an internal schematic diagram of three typical vertical schemes (disconnectors) PVBx 202 and horizontal schemes (disconnectors) PVBx Z 321/(circuit breakers) PVBx Z 241. PVBx 202 Photovoltaic Combiner box PVBx Z 321 Photovoltaic Combiner box... - Page 15 Product introduction PVBx Z 241 Photovoltaic Combiner box Part Number Instructions Box body Disconnector/circuit breaker DC negative bus input fuse DC positive bus input fuse Surge protector Fuse for auxiliary circuit protection Intelligent monitoring unit Communication terminal Hall sensor NOARK...
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Page 16: Main Component Selection
Two low-voltage lightning protectors can be used in series to increase the voltage level, but the sum of the protection levels of the two series lightning protectors should be less than the protection level of the corresponding voltage level. NOARK... -
Page 17: Installation
If there is any damage, please contact the transportation agent or directly contact Noark Electric Co., Ltd. Please attach photos of the damage, we will provide the fastest and best service. 4.2 Installation tool preparation Before installing the equipment, please make the following tools available: electric drill, adjustable wrench, Allen wrench, Phillips screwdriver, bolts, angle steel, etc. -
Page 18: Installation Methods And Steps
Step 5: Connect the rest of the terminal blocks the same way. After the cable is bundled, tie it on the fixed beam with a cable tie, and pay attention to leaving an appropriate margin for the wiring head item. NOARK... -
Page 19: Output Access
Note: 1. The communication terminal of the last device connected to the communication line is connected to a 120Ω terminal resistor in parallel. 2. Choose cables that meet the scope of the gland card cable, and it is recommended to use double insulated cables. NOARK... -
Page 20: Routine Maintenance
3) Check whether the opening and closing of the disconnector is normal. 4) Check the surge protector module is abnormal. 5) Check the operation and display of the monitoring unit are normal. 6) Check the string diode is normal. NOARK... -
Page 21: Troubleshooting
System selection error Small selection of circuit breaker/disconnector The type of circuit breaker is too small, the Circuit breaker/disconnector disconnect temperature of the combiner box is too high, Overheat protection action and the output wiring of the circuit breaker is loose NOARK... -
Page 22: Warranty Period, Environmental Protection And Other Legal Requirements
In order to protect the environment, when this product or its components are scrapped, please dispose it properly as industrial waste; Or hand it over to the recycling station for classification, dismantling, recycling and reuse in accordance with relevant national regulations. NOARK... -
Page 23: Description Of Hazardous Substances
4) The parts (materials) in this table may not contain all the above parts (materials) according to the product model specifications, please refer to the actual product. 5) For those not listed in this table, except for some components (materials) customized by customers, other components and homogeneous materials contained in the product do not contain harmful substances. NOARK... - Page 24 Noark Version I 2024 400-109-2111...
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