(1) Environments
Use the ACON or PCON under the environment with the contamination level 2 or 1 specified in IEC60664-1.
For example, it is installed on the control board with the structure (IP54) where water, oil, carbon or dust
is not entered.
(2) Power Unit
A) Use it under the environment with the Overvoltage Category II specified in IEC60664-1. For this
purpose, make sure to install the breaker for the wiring between the distribution panel and DC24V
power unit.
B) Use the DC24V power unit conforming to CE marking.
(3) Grounding
Make sure to connect the FG earth terminal for ACON or PCON and protective earth (earth plate) for the
control board to avoid electric shock.
(4) Earth Leakage Breaker
Install the earth leakage breaker (BCD) between the distribution panel and DC24V power unit.