### DC Connection Procedure
Personal protective equipment MUST be worn suitably and properly for all work on the product and the
system.
Voltage sources MUST be disconnected from the product before all work.
Danger to life due to electrical shock from touching ungrounded components or from touching live
components in case of a ground fault
Touching ungrounded PV modules, array frame, inverter or live system component, or parts of the system
components that are still live in the event of a ground fault, may result in death or severe injuries due to electric
shock.
PV modules and the array frames, including electrically conductive surfaces, MUST be connected and grounded
in compliance with all applicable regulations.
In the event of a ground fault,
DO NOT touch any parts or frame of the PV array.
DO NOT touch any cables without reliable insulation.
DO NOT connect the product to any strings with ground faults.
Before working on the product, voltage resources MUST be disconnected.
Personal protective equipment MUST be worn suitably and properly for all work.
Risk of injury and property damage
In connection of DC cables to the inverter, maximum input current and voltage MUST not exceed permitted range
as stated in Product Parameters.
Any guarantee and warranty claims in such cases will be voided.
Requirements for PV Modules
All PV modules of connected arrays should be of the same type.
All PV modules of connected arrays should be aligned properly and tilted identically.
DO NOT parallel modules in one string of DC input.
In connection of each independent MPPT, PV arrays in parallel connection should have the same number of
modules.
Max. input voltage and current per string
For connection of PV modules to the inverter, all PV modules MUST be fitted with the supplied DC connectors.
When assembling the DC connectors, cables MUST be equipped with DC connectors of the correct polarity.
e.g. [positive] connection cable to [positive] DC connectors, [negative] connection cable to [negative] DC
connectors.
Before connecting the PV modules to the inverter, the inverter's DC switch MUST be switched OFF.
The DC input voltage AND DC input current of the PV array MUST never exceed the maximum input voltage and
current of the inverter.
Completely install all BDM-600 and all system inter-wiring connections prior to installing the PV modules.
1. Mount the PV modules above their corresponding BDM-600. Each BDM-600 comes with two oppositely sexed DC
connectors.
2. First connect the positive DC wire from the PV module to the negatively marked DC connector (male pin) of the BDM-
600. Then connect the negative DC wire from the PV module to the positively marked DC connector (female socket)
of the BDM-600. Repeat for all remaining PV modules using one BDM-600 for each module.
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