Sinexcel SEC Series Maintenance Manual
Dc fast charger
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Also See for SEC Series:
- User manual (57 pages) ,
- Maintenance manual (19 pages) ,
- User manual (42 pages)
Related Manuals for Sinexcel SEC Series
Summary of Contents for Sinexcel SEC Series
- Page 1 SEC 80kW Series DC Fast Charger Maintenance manual Issue Date 2024-03-05 Copyright 2024 Sinexcel. All rights reserved. ©...
- Page 3 SEC 80kW series DC charger - Maintenance Manual Disclaimer ⚫ Sinexcel shall not be liable for personal electric shock, product damage, failure or defects for the following reasons: ⚫ Unlicensed maintenance personnel or operators maintain the product without authorization, resulting in damage of the product.
- Page 4 SEC 80kW series DC charger - Maintenance Manual Preface reader object This document (Guide) is mainly applicable to the following engineers: ⚫ Technical Support Engineer ⚫ Maintenance Engineer Symbols The following symbols may appear in this document, and they have the following meanings. Symbol Description Danger...
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Page 5: Table Of Contents
SEC 80kW series DC charger - Maintenance Manual Contents ............................1 1 Safety instructions 1.1 Warning and danger ..........................1 1.2 Maintenance instructions ........................2 2 Maintenance ..............................2 2.1 Maintenance of inoperative charging stations ................. 3 2.2 Charger maintenance items and checking cycle ................3 ...................... -
Page 7: Safety Instructions
SEC 80kW series DC charger - Maintenance Manual 1 Safety instructions 1.1 Warning and danger Symbol Symbol word Description Since some parts of this power system are under high voltage during operation, it is fatal for direct contact or Danger indirect contact with these parts, for example through wet objects. -
Page 8: Maintenance Instructions
SEC 80kW series DC charger - Maintenance Manual 1.2 Maintenance instructions This product is a high-power and high-voltage power equipment. Construction and maintenance personnel ● shall work with the operation certificate. In the maintenance of the equipment, the relevant construction standards and safety regulations in different ●... -
Page 9: Maintenance Of Inoperative Charging Stations
SEC 80kW series DC charger - Maintenance Manual 2 Maintenance 2.1 Maintenance of inoperative charging stations When the charger is not used, the charger should be in a power-off state. Unnecessary load should be reduced, to increase the service life of the charger. 2.2 Charger maintenance items and checking cycle Checking Checking... - Page 10 SEC 80kW series DC charger - Maintenance Manual Emergency Half a year Press the emergency stop button to check whether the emergency Maintenance stop function stop button is working normally, and reset the emergency stop button after normal check. repairing Equipment Half a year Check whether the ground wire of the equipment housing is loose...
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Page 11: Replacement Of Common Devices
SEC 80kW series DC charger - Maintenance Manual 3 Replacement of common devices NOTE: To replace devices, do not operate when the charger is on! 1. Electric meter Tools required：Screwdriver Replacement step：① Screw off the screw on the protective cover at the lower end of the electric meter, then open the protective cover and remove the connecting cable of the electric meter；... - Page 12 SEC 80kW series DC charger - Maintenance Manual 2. Main circuit breaker Tools required：Hex wrench, screwdriver and socket wrench. Replacement step: ① Remove the screws in the fixed bus bar of the circuit breaker by using a hex wrench； ② Remove the input and output bus bar with a socket wrench； ③...
- Page 13 SEC 80kW series DC charger - Maintenance Manual 3. Cooling fan Tools required: screwdriver Replacement step: ① Separate the connecting terminals of the cooling fan cable； ② Use a screwdriver to remove the four fixing screws of the fan. And then the fan can be removed；...
- Page 14 SEC 80kW series DC charger - Maintenance Manual 4. AC contactor Tools required：Screwdriver Replacement step: ① Use a screwdriver to loosen the screws of the upper and lower cable terminals inside the AC contactor； ② Use a screwdriver to remove the upper and lower fixing screws of the AC contactor, the AC contactor can be removed；...
- Page 15 SEC 80kW series DC charger - Maintenance Manual 5. Fuse Tools required：Screwdriver Replacement step: ① Remove the connecting cable of the fuse； ② Remove the fixing screws at the upper and lower ends of the fuse, the fuse can be removed； ③...
- Page 16 SEC 80kW series DC charger - Maintenance Manual 6. DC contactor Tools required：Screwdriver and socket wrench Replacement step: ① Use a socket wrench to remove the bus bar on the DC contactor； ② Remove the white signal wire terminal on the side of the DC contactor； ③...
- Page 17 SEC 80kW series DC charger - Maintenance Manual 7. Auxiliary source Tools required：Screwdriver Replacement step: ① Remove the connection cable from the auxiliary source； ② Remove the fixing screws at the top and bottom of the auxiliary source, the auxiliary source can be removed； ③...
- Page 18 SEC 80kW series DC charger - Maintenance Manual 8. Display Tools required：Screwdriver Replacement step: ① Remove the connection cable from the display； ② Remove the fixing screws at the upper and lower ends of the display, the display can be removed； ③...
- Page 19 SEC 80kW series DC charger - Maintenance Manual 9. Connector cable Tools required：Screwdrivers and wrenches Replacement step: ① Use a 1-shaped screwdriver to remove the signal connection cable from the connector； ② Remove the connector positive and negative wire and copper row of fixed screws, remove the clamp fixed screws；...
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Page 20: Guidance For Replacement Of Dust Screen
SEC 80kW series DC charger - Maintenance Manual 4 Guidance for replacement of dust screen Tools required: screwdriver or electric tool and new dust screen Replacement steps: Turn off the power supply, then open the left and right doors of the cabinet. ①... - Page 21 SEC 80kW series DC charger - Maintenance Manual Remove the left and right cover plates and their installation screws (M4×16) with an electric ② screwdriver. Note: Do not lose the cover plate and installation screw. They will be used in the installation later.
- Page 22 SEC 80kW series DC charger - Maintenance Manual Draw out the old dust screen which will be scrapped; ③ Insert the new dust screen with the same technical parameters into the left and right-side door ④ respectively; Note: One end of the pull ring shall be kept outside for the next change.
- Page 23 SEC 80kW series DC charger - Maintenance Manual Install the side cover plate and lock the screw (M4×16). The reference torque of screw tightening: ⑤ 16kgf. cm; The dust screen is replaced. ⑥...
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Page 24: Common Troubleshooting
SEC 80kW series DC charger - Maintenance Manual 5 Common troubleshooting Error Content of Cause of failure Method of treatment code. failure 1. The connection of CAN 1. Use a multimeter to check whether the bus between MCU and CAN communication line between MCU controller of charger is and the charging controller is connected loose;... - Page 25 SEC 80kW series DC charger - Maintenance Manual domain name address); 3. The background is abnormal; 1. Whether the power 1. The auxiliary power supply is damaged supply of MCU is lower than or the connection is wrong. Check the 12V;...
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Page 26: Emergency Unlock
SEC 80kW series DC charger - Maintenance Manual 6 Emergency unlock To our customers: Emergency Manual for Quick Charger Connector (One-push type) for EV （ How to detach the connector when it cannot be removed ） 1. Introduction This manual shows how to detach the connector when it cannot be removed under some abnormal situation. - Page 27 SEC 80kW series DC charger - Maintenance Manual 4. Procedure (1) Insert the urgent detaching tool in the hole for urgent detaching at the side of connector grip. (2) Make the RED LINE on the tool align with the surface of the grip.(See the picture) (3) Then, push to lean the tool to upper side of connector.
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