APsmart RSD-D Installation & User Manual
Rapid shutdown device & transmitter
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- Installation & user manual (16 pages) ,
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Summary of Contents for APsmart RSD-D
- Page 1 Installation/User Manual APsmart Rapid Shutdown Device & Transmitter （For North America） Rev3.2 2025/04/02 RSD-D TRANSMITTER-PLC TRANSMITTER-PLC OUTDOOR KIT © All Rights Reserve...
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Page 2: Table Of Contents
TABLE OF CONTENTS IMPORTANT SAFETY INSTRUCTIONS----------------------------------------------------------------------1 RSD PRODUCTS-----------------------------------------------------------------------------------------------2 TRANSMITTER PRODUCTS----------------------------------------------------------------------------------3 SYSTEM WIRING DIAGRAM---------------------------------------------------------------------------------4 RSD-D INSTALLATION----------------------------------------------------------------------------------7 TRANSMITTER-PLC INSTALLATION ---------------------------------------------------------------------14 TECHNICAL DATA—RSD-D----------------------------------------------------------------------------17 TECHNICAL DATA—TRANSMITTER-PLC-----------------------------------------------------------------18 TECHNICAL DATA—TRANSMITTER-PLC-OUTDOOR KIT----------------------------------------------19... -
Page 3: Important Safety Instructions
· Before installing or using the RSD-D, please read all instructions and cautionary markings in the technical documents. · Be aware that the body of the operating RSD-D is a heat sink and can reach high temperature. To reduce risk of burns, do not touch the body of the RSD-D. -
Page 4: Rsd Products
*(1) RSD-D does not have automatic shutdown function for arc detection. When the system is abnormal, the transmitter signal is cut off by pulling the gate, which triggers shutdown. *(2) RSD-D is designed to reduce the risk of fire suppression but does not solve the risk of a arc fire. User Manual... -
Page 5: Transmitter Products
TRANSMITTER PRODUCTS Transmitter-PLC · Meets NEC 2017, 2020&2023 (690.12) requirements · Switching off Transmitter-PLC results in rapid shutdown of the output of PV modules · Meets SunSpec requirements · Equipped with single/dual core · Optional 85-264VAC power supply · Optional 180-550VAC power supply Transmitter-PLC-Outdoor Kit ·... -
Page 6: System Wiring Diagram
The APsmart Rapid Shutdown System Transmitter-PLC is part of a rapid shutdown solution when paired with the APsmart RSD-D, a PV module rapid shutdown unit. While powered on, the Tansmitter-PLC sends a signal to the RSD-D units to keep the PV modules connected and supplying energy. - Page 7 SYSTEM WIRING DIAGRAM *PV1+ *PV2+ *Homerun only PV+ cable through core ① RSD-D ② Transmitter-PLC-Outdoor Kit ③ Inverter *PV1+ *PV2+ *Homerun only PV+ cable through core *④optional ① RSD-D ② Transmitter-PLC-Outdoor Kit ③ Inverter ④ Emergency stop button box（optional）: Press the emergency stop button, the transmitter AC power supply is disconnected, the RSD closes the output, and the system rapid shutdown.
- Page 8 SYSTEM WIRING DIAGRAM *PV1+ *PV2+ ① RSD-D ② Inverter* *Inverter in diagram includes an integrated SunSpec-certified Rapid Shutdown Transmitter. User Manual...
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Page 9: Rsd-D Installation
② Be aware that only qualified professionals should install and/or replace the RSD-D. ③ Before installing or using an RSD-D, please read all instructions and warnings in the technical documents and on the inverter system itself as well as on the PV array. - Page 10 INPUT1- ① RSD-D can be installed together with RSD-S-PLC; ② RSD-D can be installed with odd panel, by only connecting with “Input #1”, then shorting “Input#2” +/- together; Do not short-circuit the RSD-D output connectors, otherwise it will be damaged.
- Page 11 RSD-D INSTALLATION RSD-D cable length NOTE: The output cable length of triad junction box PV module should be no less than 1.2m. ≥1.2m NOTE: The output cable length of integrated junction box PV module should be no less than 0.9m.
- Page 12 RSD-D INSTALLATION NOTE: When installing RSD-D cable, the bending radius of the cable near the casing must be greater than 50 mm. Step 3: Connect the output ports of two adjacent RSD-Ds in series and then connect to the inverter with a self-made DC extension cable.
- Page 13 RSD-D INSTALLATION NOTE： ① When there are two strings of photovoltaic modules connected in parallel under the same MPPT, the photovoltaic strings connected to the same MPPT need to use the same type and same quantity of photovoltaic components. Additionally, the orientation and tilt angle of all photovoltaic components must be the same.
- Page 14 RSD-D INSTALLATION Recommended wiring method： Always place the positive and negative terminals of the same string of wires in the same cable tray and minimize the distance between them as much as possible. Prohibited wiring method： User Manual...
- Page 15 RSD-D INSTALLATION How to achieve the independent shutdown of a single system in a multi-system state. Sharing the same cable tray among multiple systems is the direct cause of signal interference. To achieve independent shutdown, it is necessary to ensure that each system has independent routing, and the distance between cable trays should be maintained at least 20cm apart.
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Page 16: Transmitter-Plc Installation
PLC fails to work, the Signal LED will not be blinking. If the Power LED is also not lit, check the power supply first. Install the RSD-D before powering on the Transmitter-PLC. NOTE: • Mount Transmitter-PLC and power supply on DIN rail •... - Page 17 TRANSMITTER-PLC INSTALLATION Homerun only PV+ cable through core Install the RSD-D before powering the Transmitter-PLC. NOTE: The waterproof jacket and related accessories are not configured before delivery and customers NOTE: need to buy by themselves. • Pass either positive or negative cables through cores (either both positive cables or both negative cables.
- Page 18 TRANSMITTER-PLC INSTALLATION Drilling Guide for .75" Conduit Drilling Guide for 1" Conduit The Outdoor Kit was not punched before delivery and customer need to make it themselves NOTE: according to the actual situation. The figure is only for reference. User Manual...
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Page 19: Technical Data-Rsd
TECHNICAL DATA—RSD-D Model RSD-D-20 Input Data (DC) Range of Input Operating Voltage 8-65V Per Channel Maximum Cont. Input Current (Imax) 20A Per Channel Short Circuit Current（Isc） Maximum Output Data (DC) Range of Output Operating Voltage 16-130V Maximum Output Current Maximum System Voltage... -
Page 20: Technical Data-Transmitter-Plc
TECHNICAL DATA—TRANSMITTER-PLC Model Transmitter-PLC Main electrical data Input Voltage 12VDC Input Current 0.8A Communication Power Supply Residential（optional） 85-264VAC Input, 12VDC Output, 90 mm x 17.5 mm x 58.4 mm Commercial（optional） 180-550VAC Input, 12VDC Output, 125.2 mm x 32 mm x 102 mm Core data 29mm Core 11mm Core... -
Page 21: Technical Data-Transmitter-Plc-Outdoor Kit
TECHNICAL DATA—TRANSMITTER-PLC-OUTDOOR KIT Model Transmitter-PLC-Outdoor Kit Main electrical data Input Voltage 12VDC Input Current 0.8A Communication Power Supply Residential（optional） 85-264VAC Input, 12VDC Output, 90 mm x 17.5 mm x 58.4 mm Commercial（optional） 180-550VAC Input, 12VDC Output, 125.2 mm x 32 mm x 102 mm Core data 29mm Core Max.Current...
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