Sinexcel SEC Series Maintenance Manual
Dc fast charger
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- User manual (57 pages) ,
- Maintenance manual (27 pages) ,
- User manual (42 pages)
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Summary of Contents for Sinexcel SEC Series
- Page 1 SEC Series DC Fast Charger Maintenance manual Issue Date 2020-10-30 Copyright 2020 Sinexcel. All rights reserved ©...
- Page 2 SEC Series DC Fast Charger-Maintenance Manual Disclaimer We do not assume the responsibility of free maintenance for personal electric shock, product damage, failure or defects for the following reasons: Non-professional operation and maintenance personnel or operators who do not have the relevant ●...
- Page 3 SEC Series DC Fast Charger--- User Manual Preface Readers This document (This 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.
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Page 4: Table Of Contents
SEC Series DC Fast Charger-Maintenance Manual Contents 1 Safety instructions ............................. 1 1.1 Warning and danger ..........................1 1.2 Maintenance instructions ........................1 2 Maintenance ............................... 3 2.1 Maintenance when the charger is not used for a long time ..............3 2.2 Charger maintenance items and checking cycle ................... -
Page 5: Safety Instructions
SEC Series DC Fast Charger--- User Manual 1 Safety instructions 1.1 Warning and danger Symbol Meaning of symbol Description Because some parts of the power system are at a high pressure during operation, the direct or indirect contacting Danger with these components, such as contacting through wet things, can be fatal. - Page 6 SEC Series DC Fast Charger--- User Manual The instructions contained in this manual must be strictly observed. Otherwise, there may be a safety ● hazard or failure of the safety device. Although this manual explains the relevant safety instructions, note that safety specifications and accident prevention specifications for the corresponding usage must be complied with.
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Page 7: Maintenance
SEC Series DC Fast Charger--- User Manual 2 Maintenance 2.1 Maintenance when the charger is not used for a long time When the charger is not used, the charger shall be in a power-off state and the unnecessary load of the charger shall be reduced, so as to increase the service life of the charger. - Page 8 SEC Series DC Fast Charger--- User 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...
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Page 9: Replacement Of Common Devices
SEC Series DC Fast Charger-Maintenance Manual 3 Replacement of common devices NOTE: To change devices, do not operate when the charger is live! 1. Electric meter Tools required: screwdriver Replacement steps: ① Screw off the screw on the protective cover at the lower end of the electric meter, unscrew the protective cover, and remove the connecting cable of the electric meter;... - Page 10 SEC Series DC Fast Charger--- User Manual 2. Main circuit breaker Tools required: Allen wrench, screwdriver and socket wrench Replacement steps: ① Remove the screws in the fixed bus bar of the circuit breaker by using an allen wrench; ②...
- Page 11 SEC Series DC Fast Charger--- User Manual 3. Cooling fan Tools required: screwdriver Replacement steps: ① Separate the terminals of plug-in connectors of the cables of the cooling fan; ② Use a screwdriver to remove the four fixing screws of the fan. And then the fan can be removed;...
- Page 12 SEC Series DC Fast Charger--- User Manual 4. AC contactor Tools required: screwdriver Replacement steps: ① Use a screwdriver to unscrew six screws fixing the bus bar in the AC contactor. Note that these screws cannot be taken out and can only be unscrewed;...
- Page 13 SEC Series DC Fast Charger--- User Manual 5. Transformer Tools required: screwdriver Replacement steps: ① Use a screwdriver to remove the protective cover on the transformer and remove the connecting cable; ② Use the screwdriver to remove the four screws of the fixed plate at the bottom of the transformer.
- Page 14 SEC Series DC Fast Charger--- User Manual DC contactor Tools required: screwdriver and socket wrench Replacement steps: ① Use a socket wrench to remove the bus bar on the DC contactor; ② Remove the white signal line terminal on the side of the DC contactor;...
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Page 15: Guidance For Replacement Of Dust Screen
SEC Series DC Fast Charger-Maintenance Manual 4 Guidance for replacement of dust screen Tools required: screwdriver or electric tool and new dust screen Replacement steps: ① Turn off the power supply and open the left and right doors of the cabinet;... - Page 16 SEC Series DC Fast Charger--- User Manual ③ Use the drawing pipe of dust screen to draw out the old dust screen and scrap it; ④ Insert the new dust screen with the same specification into the left and right side door respectively;...
- Page 17 SEC Series DC Fast Charger--- User Manual 16kgf. cm; NOTE: The top of the cover plate shall be hung first for installation of the left cover plate, as shown in the figure. And then install the screw. ⑥ The dust screen has been replaced.
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Page 18: Common Troubleshooting
SEC Series DC Fast Charger-Maintenance Manual 5 Common troubleshooting No. Content of Cause of failure Method of treatment failure Abnormal 1. The connection of CAN bus 1. Use a multimeter to check whether the CAN communication between TCU and controller of... - Page 19 SEC Series DC Fast Charger--- User Manual 3. The display screen is 3. If it is damaged, replace the display screen; damaged; Over-temperature 1.There is dust accumulation on 1.Remove the dust accumulation on the dust screen; failure of the dust screen at the outlet;...
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