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Megatank GL48100 Operation Manual

Residential battery storage system
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Shenzhen GT Powertank Co., Ltd.
www.gt-ess.com
(+86) 755 8657 6248
sales@gt-ess.com
Room 208, Building 30, Wisdomland Business Park, No.2 NantouguankouRoad, Nanshan
District,Shenzhen, Guangdong, China, 518000.
Shenzhen
Headquarters
Residential Battery Storage System
Opreation Manual
Model No: GL48100 | Version: V1.0
Shenzhen GT Powertank Co., Ltd.

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Summary of Contents for Megatank GL48100

  • Page 1 Shenzhen GT Powertank Co., Ltd. Residential Battery Storage System www.gt-ess.com Opreation Manual (+86) 755 8657 6248 sales@gt-ess.com Model No: GL48100 | Version: V1.0 Room 208, Building 30, Wisdomland Business Park, No.2 NantouguankouRoad, Nanshan District,Shenzhen, Guangdong, China, 518000. Shenzhen GT Powertank Co., Ltd.

  • Page 2: Table Of Contents

    Before the installation, please check all the accessories in the package. The optional accessories will be packed only if a user purchases them. The parallel operation cables will not be included if a user chooses only one GL48100. If a customer purchases multiple GL48100s and confirms the parallel configuration with GT Powertank staff, GT will pack parallel operation cables with GL48100s .

  • Page 3: Wall-Mounting Accessories- One Gl48100

    2.1.2 Wall-mounting accessories- One GL48100 2.2 Double GL48100s Floor-mounting accessories for parallel operation Top GL48100 Bottom GL48100 Name Picture Name Picture Name Picture Name Picture Phillips screws with Short battery ① ⑦ ① ⑤ Wall-mounting wall-mounting spring washer and positive power...

  • Page 4: Triple Gl48100S Floor-Mounting Accessories For Parallel Operation

    2.3 Triple GL48100s Floor-mounting accessories for parallel operation 3.Installation guide The floor-mounting installation guide is based on triple GL48100 parallel operation, with its DC junction box and related power cables & Ethernet cable. The wall-mounting installation guide is based on one GL48100.
  • Page 5 Check the left diagram to mark A wrong measurement offset may the top & middle GL48100 affect the top & middle battery position. 2)Put the top GL48100 on top of the drilling holes middle GL48100. Tighten them one 2)The middle & top GL48100 drilling by one using sleeve anchors.
  • Page 6 & junction box positive copper busbar with some Long negative cable loose screws, no need to tighten * We call them top GL48100/ Middle negative cable them at this moment Battery middle GL48100/ bottom Short negative cable...
  • Page 7 1000/0100/1100 Please refer to Appendix I to 1)Please configure the address switch when the GL48100 is power off. configure the addresses if more 2)When the switch is on the “ON” position, it means 1. Here is the address table for ②...
  • Page 8 Check GL48100’s status on its inverter, (e.g., battery quantity, charging/ discharging current/ voltage request value, SOC, fault state). A technician can use an upper computer to monitor the GL48100’s status if he/she is authorized by Shenzhen GT Powertank Co., ltd.

  • Page 9: Wall-Mounting Installation

    10.Please refer to chapter 3.1, step 21, to connect the communication cable, configure the inverter parameters, run a trial operation test. 11.If the trial operation test is OK, install the two-side handle covers. GL48100’s installation is done. 5.Install wall-mounting bracket 2 If multiple GL48100s need to be mounted on the wall, please refer to Appendix 2 as the wiring guide.

  • Page 10: Part 4 Choose The Gl48100 Internal Communication Protocol

    4.2 Wiring diagram a.Chooses correct serial port( refer 4.1-1 the COM port in Windows device manager.) b.Click Starting. The monitor software will configure the baud rate and try to connect GL48100. Wait for a few seconds. c.Make sure the connection is successful. If the GL48100’s address is configured before, click its address to enter the battery information page.
  • Page 11 2)Enter the Software settings tab 7)The protocol choosing step is done. Please refer to chapter 3.1 -step 19, connect GL48100 to its inverter and check if GL48100’s battery information is correctly displayed on the inverter screen. Use GT’s monitoring software to read the accurate battery data if needed.

  • Page 12: Appendix 2

    120Ω terminal resistance on it. battery set as the middle point. If one GL48100 lost its communication with the inverter, please try to add a 120Ω terminal resistance or a 7)For wall-mounting GL48100, we do not recommend operate them in parallel.

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