Delta M42U

DANGER: ELECTRICAL HARZARD!!
- PV array converts sunlight into electric power with high DC voltage and high
DC current which can cause dangerous electrical shock hazard!
- Use an opaque material to cover the PV array before wiring or cabling.
- Ensure the correct polarities are connected when DC cabling is applied.
WARNING !
- The risk of electric shock and fire.
- Use only PV modules that are UL Listed to1000V or higher.
- Ensure the two DC switches are placed in the "OFF" position, and the PV array
is disconnected when DC conductors are connected.
3.4 Electrical Installation for DC Wiring
- The PV Array current carrying conductors (positive or negative) must not be
referenced to ground.
ATTENTION
- In order not to damage the components in the inverter, don’t repeat to change
the status of DC Switch quickly, the correct operation is waiting for the LCD
display show ”No DC” or turn on the switch after 1 minute later.
CAUTION: DC SWICH ON/OFF !
Please seal the conduit from inside the wiring box
by using duct seal to prevent living creature or
moisture enter the wiring box.
ATTENTION
EMT
Duct Seal
37
Installation