￭
Disconnecting the DC/DC converter from the drive system with the
DC switch-disconnector
WARNING!
Obey the safety instructions of the drive. If you ignore them, injury or
death, or damage to the equipment can occur. If you are not a qualified
electrical professional, do not do installation, commissioning or
maintenance work.
This procedure tells you how to disconnect the DC/DC converter from the energy
storage and the drive system with the optional DC switch-disconnector (option +F286).
1. Do the steps in section Disconnecting the DC/DC converter from the energy
storage (page 89).
2. Drives with DC switch-disconnector [Q11]: Open the DC switch-disconnector [Q11]
(option +F286). Lock out and tag out.
Note: The DC/DC converter disconnected indicator light [P12.x] is on when the
DC switch-disconnector [Q11] is open.
3. If it is necessary to do work inside the DC/DC converter unit, stop the drive system
and isolate it from the main and auxiliary power supplies. Do the steps in section
Electrical safety precautions (page 49).
Connecting the DC/DC converter
WARNING!
Obey the safety instructions of the drive. If you ignore them, injury or
death, or damage to the equipment can occur. If you are not a qualified
electrical professional, do not do installation, commissioning or
maintenance work.
This procedure tells you how to connect the DC/DC converter to the energy storage
and the drive system.
1. Make sure that the work is completed and there are no tools inside the drive.
2. Close the cabinet doors.
3. Connect the DC/DC converter and energy storage. Refer to these instructions in
chapter Start-up:
• Connecting voltage to the drive and converter control unit (page 84)
• Charging the DC/DC converter and connecting voltage to the
converter (page 85)
• Connecting the energy storage to the DC/DC converter (page 85).
4. Set the control panel to local mode with the Loc/Rem key.
5. Set parameter 120.19 Enable start signal to value On.
6. Push the Start key on the control panel.
Liquid pipe connector installation instructions
These instructions are applicable to the liquid pipe connectors that are used in ABB
drives. There are two types of connectors: type A and type B. Refer to the illustrations
90 Maintenance
To Next Page
Loading...
