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Shenzhen GT Powertank Co., Ltd.

www.gt-ess.com

(+86) 755 8657 6248

GT Powertank, Power your quality life

Step

Picture

Description

1.Install wall-
   mounting bracket  
   on the battery 
   back with screws

Every GL48100 includes

Wall-mounting bracket 2pcs

Phillips screws with spring washer  and flat washer, 

      button head M4*10 6pcs

Tool:
Philips screwdriver

2.Insert cable tie

Please prepare the 
cable tie by yourself

Cable tie: 

Recommended  

                  3.6mm(W)*200mm(L)

3.Put battery base 
   close to a wall

1. The height of this battery base is adjustable.

2. The minimum height from the top surface of this 
    battery base (the positioning cylinder is not included) 
    to the ground is 60mm.

4.Put GL48100 onto 
    its battery base, let 
    the mounting 
    bracket  close to 
    the wall

1)Put the positioning 
   hole on top of the 
   positioning cylinder

2)Make sure the 
   GL48100 is on a 
   horizontal plane, 
   adjust the battery 
   base’s feet if     
   needed

5.Mark bottom 
   GL48100 drilling  
   hole

Use a marker to mark 
two drilling holes

Make sure the marker is 
in the middle of the two 
holes Remove GL48100 
& its battery base aside

1)The drilling holes’ marker should consider the the 
    battery metal base height and the battery base’s foot 
    height.

2)If the ground is flat, please refer below diagram to 
   mark the drilling hole.

The unit is mm

The two-hole distance of the wall-mounting bracket 

     is 60mm

The wall-mounting brackets left & right mounting 

     hole distance is 200mm 

The height between the drilling hole& battery base top 

     surface is  451mm±2mm

The height from the battery base t to the ground 

     is h. h ≥ 60mm. Please consider the battery base 

     foot-stand‘s height to confirm the h value.

2.3 Triple GL48100s Floor-mounting accessories for parallel operation

No.

Name

Picture

Qty

wall-mounting 

bracket

6

 Sleeve anchor

M6*50

12

Phillips screws with 

spring washer and 

flat washer, button 

head M4*10

18

GL DC junction 

Box

1

Parallel operation 

Ethernet 

cable(0.75m)

2

Default Ethernet 

cable(1.8m)

1

No.

Name

Picture

Qty

Short battery 

positive power 

cable (0.42m)

1

Short battery 

negative power 

cable (0.48m)

1

Middle battery 

positive power 

cable (0.85m)

1

Middle battery 

negative power 

cable (0.93m)

1

Long battery 

positive power 

cable (1.28m)

1

Long battery 

negative power 

cable (1.38m)

1

Battery base

1

(optional)

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.

3.1 Floor-mounting installation 

The position cylinder

The positioning hole

Top GL48100

Middle GL48100

Bottom GL48100

06

07

Содержание GL48100

Страница 1: ...48100 Version V1 0 Shenzhen GT Powertank Co Ltd Shenzhen Headquarters 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 ...

Страница 2: ...llel configuration with GT Powertank staff GT will pack parallel operation cables with GL48100s Due to the actual operation environment varies a installer needs to prepare the power communication cables between the inverter and GL48100 by himself 2 1 Default installation accessories 2 1 1 One GL48100 flooring mounting accessories Table of Contents No Name Picture Qty Battery cable connector Orange...

Страница 3: ... Sleeve anchor M6 50 8 Phillips screws with spring washer and flat washer button head M4 10 12 GL DC junction Box 1 Parallel operation Ethernet cable 0 75m 1 Default Ethernet cable 1 8m 1 No Name Picture Qty Phillips screws with spring washer and flat washer hex head M6 12 2 Default Ethernet cable 1 8m 1 Battery cable connector Orange 1 Battery cable connector Black 1 No Name Picture Qty Short bat...

Страница 4: ...is flat please refer below diagram to mark the drilling hole The unit is mm The two hole distance of the wall mounting bracket is 60mm The wall mounting brackets left right mounting hole distance is 200mm The height between the drilling hole battery base top surface is 451mm 2mm The height from the battery base t to the ground is h h 60mm Please consider the battery base foot stand s height to con...

Страница 5: ...e sure all the horizontal and vertical measurements are accurate A wrong measurement offset may affect the top middle battery position 2 The middle top GL48100 drilling holes positions are based on the bottom hole position 7 Drill the holes We recommend using the No 9 drill bit to drill the holes The expansion blot sleeve is 35mm the depth of a hole should be 40mm less than 50mm 8 Put expansion bo...

Страница 6: ...the left to connect these power cables b Leave the left right connecting joints on the busbar disconnected DO NOT connect cables on them Note a The power cables to the inverter or other battery sets are not shown in the above picture The power cable dimension between an inverter and this busbar should match the inverter s continuous current value DO NOT use GT s parallel power cable dimension as r...

Страница 7: ...t Connect inverter BMS communication port to GL48100 CAN 485 2 b CAN communication please refer the inverter s BMS Pin definition wire the CANH CANL into correct pin position in RJ45 connector c RS 485 communication push RS485 A RS485 B into their pin position in RJ45 connector 14 Open the side covers on the left and right sides of GL48100 Make sure the power button circuit breaker is off Tool Phi...

Страница 8: ...red correctly Please refer to step 18 6 Make sure the communication cable between the master GL48100 and the inverter works fine Please refer to the cable connection guide one left Please refer to appendix 1 to see how to wire multiple GL48100s 21 The inverter settings system trial operation test Now all three GL48100s are wired with the inverter s power and communication cables Do not connect uni...

Страница 9: ...wer cable between GL48100 and the inverter After the length between the GL48100 and inverter is measured please make the power cable using this length The power cable size 25mm or 4AWG 16mm or 6AWG Temperature continuously usage 125 C Recommended flammability standard VW 1 or UL94 V0 Note 4AWG cable size is smaller than 25mm cable please use hydraulic crimping tool 25mm2 dye to crimp the wire and ...

Страница 10: ...d s communication protocols on the market The default communication protocol is the most used one If there are any abnormal communication issues during the usage please request an authorized technician s help to choose the correct communication protocol through GT s upper computer monitoring software 4 1 Prepare the tools 1 Prepare a computer with pre installed USB to RS485 communication tool driv...

Страница 11: ...e 5 6 After the writing process is done the software will pop up a small window then click read to confirm Picture 6 Picture 5 Picture 6 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 nee...

Страница 12: ...verter please try to add a 120Ω terminal resistance or a repeater 4 If the parallel operation battery s quantity is more than 9 please contact GT Powertank for a customized solution Appendix 2 Above is the wiring diagram for multiple GL48100 wall mounting parallel operations 5 If possible the power cable length from every battery set to the inverter should be the same Otherwise each set s charging...

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