DR-Fan ERV Modbus Protocol

Settings (VSP Setting)

Settings (VSP Setting)

Settings (ID Setting)

▪ Assign ID by using UP/DOWN buttons when entering ID in VSP Setting mode.

▪ After assigning ID, make sure to click “Select” button to save the ID.

▪ If ID is duplicate, collision occurs, disabling normal operation.

▪ Reenter to check ID set for the equipment.

Modbus Protocol

Status Request

Control Request