Danfoss VLT AQUA Drive Design Manual page 74

3. VLT AQUA Selection
Terminal numbers:
Terminal 35: - external 24 V DC supply.
Terminal 36: + external 24 V DC supply.
Follow these steps:
1. Remove the or Blind Cover
2. Remove the Terminal Cover
3. Remove the Cable Decoupling Plate and the plastic cover un-
3
derneath
4. Insert the 24 V DC Back-up External Supply Option in the Option
Slot
5. Mount the Cable Decoupling Plate
6. Attach the Terminal Cover and the or Blind Cover.
When MCB 107, 24 V back-up option is supplying the control circuit, the
internal 24 V supply is automatically disconnected.
Illustration 3.21: Connection to 24 V back-up supplier (A2-A3).
74
Illustration 3.22: Connection to 24 V back-up supplier (A5-C2).
®
MG.20.N4.02 - VLT is a registered Danfoss trademark
®
VLT AQUA Drive Design Guide