Table of Contents
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1. General Information
Etrel INCH DUO charging station has been designed and tested in accordance with current and past versions of international standards. The charging station is compliant with IEC 61851 (Part 1, Part 21-2, Part 22) international standards which defines conductive AC electric vehicle charging and supports Mode 3 charging for safe recharging of standard electric vehicles.
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No stacking, symbol:
Packaging
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Figure 2: Label on the packaging
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2. Product description
Basic Functionalities
Etrel INCH DUO is a smart charging station that can predict EV charging habits and help charge the car by the time it is needed, at the lowest possible cost.
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Frequency bands: LTE-FDD: B1 (2100 MHz), B3 (1800 MHz), B5 (850 MHz), B7 (2600 MHz), B8 (900 MHz), B20 (800 MHz) LTE-TDD: B38 (2600 MHz), B40 (2300 MHz), B41 (2500 MHz) WCDMA: B1 (2100 MHz), B5 (850 MHz), B8 (900 MHz) GSM/EDGE: B3 (1800 MHz), B8 (900 MHz) Transmitting power: 33dBm±2dB for GSM 24dBm+1/-3dB for WCDMA 23dBm±2dB for LTE-FDD 23dBm±2dB for LTE-TDD | LTE Router Frequency bands: 4G (LTE-FDD): B1 (2100 MHz), B3 (1800 MHz), B5 (850 MHz), B7 (2600 MHz), B8 (900 MHz), B20 (800 MHz) 4G (LTE-TDD): B38 (2600 MHz), B40 (2300 MHz), B41 (2500 MHz) 3G: B1 (2100 MHz), B5 (850 MHz), B8 (900 MHz) 2G: B3 (1800 MHz), B8 (900 MHz) Transmitting power: 21.9 dB | ||||||
RFID module Frequency band: 13.56 MHz (HF) Transmitting power: up to 8 dBm | |||||||
Dimensions
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Figure 4: Dimensions of INCH DUO charging station
Figure 5: Dimensions of INCH DUO power supply compartment
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Power management of master charging station decides, based on information provided by Load Guard, what target current to set on its connector and other stations of the cluster. If necessary, it will increase or decrease the charging power or even stop it completely to prevent the fuses from switching off due to overcharging.
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Figure 7: Load Guard
Etrel Ocean
Etrel Ocean is a complete software solution for scalable electric vehicle charging management that supports complete overview and control of charging stations while covering numerous use cases.
Usually, it is not needed for home use, its advantages are in the field of management of (real and virtual) clusters of charging stations. It is adaptable and configurable to different business cases.
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Figure 8: Etrel Ocean
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3. Operation and charging procedure
INCH DUO charging station can be controlled locally or remotely, through web interface, or through charging station management system. Configuration and usage of the charging station’s web interface is described in the next chapter.
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Figure 24: Paying procedure in case of clusters, input of designation of charging station where charging was performed at another charging station with paying terminal
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5. Charging station
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Web interface
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More information about the web interface can be found in the INCH DUO Configuration guide.
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6. Regular
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Maintenance
It is recommended to perform a visual check and test of the protection elements at least once per year if local regulations do not state otherwise. It is possible that the requirement is to check more often, e.g., every three months, or every month. The check should also be documented.
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1 | Measuring the voltage on all phases and between neutral and earth wires. |
2 | Measuring resistance between grounding and housing / door of the station. |
3 | Test of RCD protection 1 with the test button (in case of failure, change of RCD is required or removal of charging station from operation). |
4 | Test of RCD protection 2 with the test button (in case of failure, change of RCD is required or removal of charging station from operation). |
5 | Performance check: switch off all the main fuses and reboot of charging station. |
6 | Check-up of pins in socket 1 (no corrosion should be visible). |
7 | Check-up of pins in socket 2 (no corrosion should be visible). |
8 | Checking the socket 1 (socket should be free of dirt and foreign objects). |
9 | Checking the socket 2 (socket should be free of dirt and foreign objects). |
10 | Login with RFID card (if RFID authorization is enabled and online check is made). |
11 | Login with SMS (if SMS authorization is enabled and online check is made). |
12 | Login with mobile- app (if APP authorization is enabled and online check is made). |
13 | Start charging on socket 1 with a load (with EV or tester + load). |
14 | Display of power consumption on LCD display of the charging station for socket 1 (for this step approx. 5 minutes is needed). |
15 | Stop charging at socket 1. |
16 | Logout and re-login. |
17 | Start charging on socket 2 with a load (with EV or tester + load). |
18 | Display of power consumption on the screen for socket 2 (for this step approx. 5 minutes is needed). |
19 | Stop charging at socket 2. |
20 | Check-up of the mechanical condition of the housing and optional labels. |
21 | Check-up of the condition of LCD display (mechanical or other defects). |
22 | Verifying that the latest version of SW is loaded on the charger |
23 | Optional update if it is part of the product offer. (It can be implemented by Etrel locally or it can be done remotely from client’s back end). |
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7. Troubleshooting
In the table below, all possible events that can occur at the power up of the station are listed with the procedure what to do in case something is wrong.
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The reset of the charging station can be made from the web interface as well.
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8. Contact Information
Technical support department
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