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DEKA DURATION DD5300
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3.6.6 Multi HV Box Connection
General Instructions
In a Multi Cluster Connection with only one inverter CAN Connection Line, it is necessary to use the HV HUB and connect in Daisy Chain all
the HV BOXES of each Cluster.
When more clusters are connected together, it is necessary to use an HV HUB combiner to collect all the battery information and transfer it
to the CAN inverter.
The CAN communication between the various HV BOXES has to be in Daisy Chain, starting from the HV BOX address 00 until the last
module.
The last HV BOX needs to be connected via CAN to the BMS Port of the Inverter.
In HV, it is possible to connect up to 10 Clusters composed of 16 modules each.
After composing the various clusters of the system by following the instructions on the previous pages, it will be necessary to set the
addresses of each HV BOX starting from address 00 and continuing in sequence up to address 09.
HV CLUSTERS CONNECTION STEPS
1. Connect the last HV BOX with the HV HUB via the CAN PORT 2A of the end of series HV BOX and the CAN INPUT PORT of the HV HUB.
2. Set the DIP Switches of the HV HUB with the sequence 00000000.
3. Stack the HV HUB on top of the last cluster HV BOX.
4. Connect the HV HUB to the power PORT of the last HV BOX to power the HV HUB.
5. Connect the CAN PORT 2A from the last HV BOX to the CAN INPUT PORT of the HV HUB.
6. Connect the CAN/BMS PORT of the HV HUB to the Inverter BMS PORT (follow the inverter manual for PIN OUT of the CAN L/H
position).
7. Initiate the HV CLUSTER Start-Up procedure by following the Single Cluster procedure for each cluster in the System.
8. To enable the HV Start-Up procedure, it is necessary to SWITCH ON the Main Breaker of the HV BOX. Before doing this, it is
compulsory to inspect all the power connections of each cluster and the common HV bus bar.
9. All the SUB MODULES of each cluster will automatically WAKE UP after enabling the HV BOX main Breaker.
10. During the Cluster Start-Up process the HV HUB lighting will blink until the last cluster is completely turned on and all modules will
display steady GREEN Light on the RUN BUTTON.
If one or more modules of the cluster does not come online, the cluster HV BOX will send a WARNING message to the HV HUB and the
entire system will enter into IDLE MODE. To clear this status, it is necessary to inspect the modules that are causing the wake-up
interruption, fix the error and repeat the entire Start-Up process from Step 1 (All HV BOXES must be Turned OFF and ALL Modules must
be switched OFF before restarting the procedure).
ATTENTION
It is extremely important that every module within the system has the same voltage.
The installation of an HV System is very complex and requires particular attention to the preparation of the individual modules that make up
the cluster.
A single module with a voltage lower than a few mVolts compared to the others could generate a performance reduction of the entire
system.
It is recommended to prepare each cluster with modules having voltage 53.5 +/- 0.2Vdc.
It’s recommended to individually charge all modules at the same level before proceeding with the final installation.