Hoymiles HRSD-2C User Manual

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Quick installation manual (2 pages)

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User manual (34 pages)

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Open Energy for All

Rapid Shutdown

USER MANUAL

HRSD-2C

HT10

HT10-Kit

Region: Global V202312

hoymiles.com

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Page 1 Open Energy for All Rapid Shutdown USER MANUAL HRSD-2C HT10 HT10-Kit Region: Global V202312 hoymiles.com...
Page 2 However, the content of this manual is continually reviewed and amended, due to product enhancements or feedback from real-world usage. Hoymiles retains the right to modify this manual without prior notice at any time. Please refer to Hoymiles official website at www.hoymiles.com...
Page 3 Added "4. Cable Length and Routing" V202310 • Updated illustrations in 5.1, 5.2, and of "5. Installation" • Added "6. Troubleshooting" • Updated "7. Technical Specifications" V202312 • Updated "7.1 HRSD-2C“ © 2023 Hoymiles Power Electronics Inc. All rights reserved.
Page 4: Table Of Contents
4.2 Routing Instruction 5. Installation 5.1 HRSD-2C 5.2 HT10 5.3 HT10-Kit 5.4 Recommended Conduit Drilling Guide 6. Troubleshooting 6.1 Term 6.2 Troubleshooting Guide 7. Technical Specifications 7.1 HRSD-2C 7.2 HT10 7.3 HT10-Kit © 2023 Hoymiles Power Electronics Inc. All rights reserved.
Page 5: Products
• Able to avoid crosstalk with special communication modulation technique As part of Hoymiles Rapid Shutdown Solution for PV system, HRSD-2C is connected with two modules. It meets NEC 2017, NEC 2020, UL 1741 and SunSpec Rapid Shutdown requirements, guaranteeing PV system safety.
Page 6: Ht10
• Achieves rapid shutdown through Transmitter power-off or external initiation Hoymiles Transmitter HT10 is part of Hoymiles Rapid Shutdown Solution and works with HRSD for module- level rapid shutdown. While powered on, the HT10 uses PLC technology to continuously send a “permission to operate”...
Page 7: Ht10-Kit
• Weatherproof outdoor enclosure • Equipped with single- / three-phase power supply Hoymiles Transmitter HT10-Kit is part of Hoymiles Rapid Shutdown Solution and works with HRSD for module-level rapid shutdown. While powered on, the HT10-Kit uses PLC technology to continuously send a “permission to operate” signal to HRSD, enabling the PV system to start producing power.
Page 8: System Overview
• When power is supplied to the Transmitter, the HRSD-2C turns ON and allows full PV module voltage. The HRSD-2C constantly receives a “permission to operate” signal from the Transmitter. When the power supply to the Transmitter is disconnected, this “permission to operate” signal ceases, and every HRSD-2C enters shutdown mode with output reduced to 0.9 V-1.1 V.
Page 9: Safety Instructions
Do not operate the HRSD with damaged or substandard wiring or connectors. • To install the HRSD, connect the input cables to the PV module first, and then connect the HRSD output cables in series. © 2023 Hoymiles Power Electronics Inc. All rights reserved.
Page 10 • Recommended max. number of strings connected to HRSD: 30 modules • Hoymiles recommends that Transmitter power supply be on the same AC branch circuit as the inverter to meet rapid shutdown requirements. • Max. current per Core of Transmitter: 75 A or 150 A •...
Page 11: Cable Length And Routing
HRSD-2C input cable: 0.45 m (1.48 ft.) PV Module output cable: ≥ 1.35 m (4.43 ft.) * The proportions of the HRSDs have been modified to improve the depiction of the structure. © 2023 Hoymiles Power Electronics Inc. All rights reserved.
Page 12 HRSD-2C input cable: 0.45 m (1.48 ft.) PV Module output cable: ≥ 1.35 m (4.43 ft.) * The proportions of the HRSDs have been modified to improve the depiction of the structure. © 2023 Hoymiles Power Electronics Inc. All rights reserved.
Page 13: Routing Instruction
PV 1 + PV 2 + Cable Transmitter NO. 10 Tray PV 9 - PV 10 - PV 9 + PV 10 + Number of Transmitter ≤ 10 PV arrays and HRSDs © 2023 Hoymiles Power Electronics Inc. All rights reserved.
Page 14: Installation
PV modules. • The HRSD-2C has two inputs. If you are connecting it to one PV module, connect HRSD-2C Input 1 NOTICE first, and then short jump the HRSD-2C Input 2 - and Input 2 + together.
Page 17: Ht10
• PSU and the DIN rail are not provided by Hoymiles. • Hoymiles recommends that Transmitter power supply be on the same AC branch circuit as the in- verter to meet rapid shutdown requirements. • During the PV system operation, check that the Power LED 1 is lit and the Signal LED 2 is blinking.
Page 19 Rapid Shutdown User Manual C) - Connect the serially connected outputs of HRSD-2C to the inverter with a DC cable. - Turn on AC power to Transmitter HT10 power supply to activate the “permission to operate” signal. GRID © 2023 Hoymiles Power Electronics Inc. All rights reserved.
Page 20: Ht10-Kit
• Improper installation may lead to HT10-Kit damage, which is not covered under warranty. • Hoymiles recommends that Transmitter power supply be on the same AC branch circuit as the in- verter to meet rapid shutdown requirements. • During the PV system operation, check that the Power LED 1 is lit and the Signal LED 2 is blinking.
Page 21 -V +V *Either positive or negative DC OK homerun runs through the Core. *AC Wires for PSU PE L2 L1 NOTICE on page 14 · For common mistakes, refer to 5.2 HT10, © 2023 Hoymiles Power Electronics Inc. All rights reserved.
Page 22 NOTICE Use grounding-type bushings and jumper wires. D) - Connect the serially connected outputs of HRSD-2C to the inverter with a DC cable. - Turn on AC power to Transmitter HT10-Kit power supply to activate the “permission to operate” signal.
Page 24: Troubleshooting
The cable length (the PV+ to PV- loop of each PV string) should not exceed 2625 ft. (800 m). • The homeruns passing through the Core must be of the same polarity, either all positive or all negative. Cable length: < 2625 ft. (800 m) © 2023 Hoymiles Power Electronics Inc. All rights reserved.
Page 25 LED 2 sent a "Permission to Operate" signal. Restart the transmitter and observe whether the LED 2 returns to flashing. If it does, proceed to Step 4. If the LED 2 is still solid, contact Hoymiles technical support team. Step 4 Check whether there are loose connections between PV modules and HRSD.
Page 26: Technical Specifications
*1 The former matches PV module output cables of 1.35 m (4.43 ft.) at minimum, and the latter matches those of 0.2 m (0.66 ft.) at minimum. 2 Fits PV module in portrait installation. Contact Hoymiles if horizontal installation is needed.
Page 27: Ht10
HT10 needs to be powered with the following power curve at least. Voltage: 12 VDC (+/-2%) Power Standby: 0.2 W Duty Cycle: 16% Max. Power: 3W Unit : mm 36.5 Transmitter Core-150 A Core-75 A © 2023 Hoymiles Power Electronics Inc. All rights reserved.
Page 28: Ht10-Kit
Core will be reduced accordingly. 198.5 36.5 -V +V DC OK PE L2 L1 Unit : mm Power Supply Power Supply Transmitter Core-150 A Core-75 A (85-264 V) (180-550 V) © 2023 Hoymiles Power Electronics Inc. All rights reserved.

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