Battery Box Premium HV Combiner Box
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Installation Manual V1.
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4. Product Description
4.1.
Circuit Diagram
The CBH-40A Combiner Box is a BYD battery system junction box to an inverter. Up to three battery
towers could be connected in parallel with this Combiner Box.
Figure 2 Block circuit diagram of the CBH-40A Combiner Box
“1-B+”, “1-B-“ and “PE 1“ in the diagram above mean the positive power cable, negative power cable,
and grounding cable from the battery tower Number 1.
4.2.
Type Label
There is one type label attached to the Combiner Box.
The type label is located on the left upside of the Combiner Box.
You will find the following information on the type label:
• Manufacturer
• Device type
• Serial number
• Device-specific characteristics
• Production date
You will require the information on the type label to use the product safely and when seeking
customer support from the BYD local service. The type label must remain permanently attached to
the product.
Production date: Year Month Day
BYD Smart Device Hungary Kft.
