Delta AC MAX Installation And Operation Manual page 13

2.2.5.1 Phase unbalance protection
Choose the pin 1 to enable or disable the phase unbalance protection. When the function enabled, the
protection will limit the phase unbalance to 15A.
Configuration
2.2.5.2 Authorization mode
Choose the pin 2 to configure the authorization mode for bluetooth availability.
Configuration
*Bluetooth connection is reserved for commissioning purpose.
2.2.5.3 Grounding system
Choose the pin 3 to configure the grounding system for TT/TN or IT system.
Note:
1. When installed in a TN systems, the supplying circuit shall not include a PEN conductor(combined
protective and neutral) .
2. If the power grid belongs to TN-C-S system, the charger needs to be grounded separately to TT system.
A PME earthing facility shall not be used as the means for the protective conductor contact of a charging
point located outdoors.
Function
Disable (Default)
Function
Not available
13
Configuration
Configuration
v1.0.0
Function
Enable
Function
Bluetooth* (Default)