ABB ACS880-304 +A018, Руководство по оборудованию

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138 Maintenance

Replacing the D7T supply module
This section contains instructions on replacing the module from Rittal TS 8 enclosure. The
instructions are valid for the example Rittal installations presented in this manual. We
assume that you have the ABB lifting device in use (order code: 3AXD50000004182).
WARNING! Only qualified electricians are allowed to do this work. Read the
complete safety instructions of the drive. Ignoring the instructions can cause
physical injury or death, or damage to the equipment.
WARNING! Use extreme caution when maneuvering the supply module. It is
heavy and have a high center of gravity. Ignoring the following instructions can
cause physical injury, or damage to the equipment.
•
Use a lifting device:
•
Attach the lifting device securely to the module lifting eyes before removing the
module fastening screws. For the location of the lifting eyes, see
Layout drawing
of D7T supply module on page 28 .
•
Keep the lifting device attached to the module until you have lifted the module onto
a pallet (on a floor) and made sure that the module is supported and cannot topple
over.
•
Lift a replacement module only with a lifting device. Keep the lifting device
attached to the module during the replacement work until you have tightened the
module fastening screws.
•
When replacing a module, keep your fingers away from the edge of the module front
plate to avoid pinching them between the module and the cubicle.
•
Wear protective gloves and long sleeves! Some parts have sharp edges.
•
Do not tilt the module. Do not leave the module unattended on a floor.
1. Disconnect the drive from the AC power line and make sure it is safe to start the work.
See section Basic electrical safety precautions on page 96 .
2. Open the cubicle door.
3. Remove the shrouds (if any).
4. Unplug plug connector [X53] and fiber optic connectors in front of the module and plug
connector [X50] on top of the module. For the locations, see section Layout drawing of
D7T supply module on page 28 .
5. Remove the module upper fastening screws and support bracket (a), and lower
fastening screws and support bracket (b). Remove the fastening bolts of the DC (c)
and AC busbars.
6. Install the module lifting device (d) and its module guide plates (e) to the Rittal TS 8
enclosure. The lifting device package includes the assembly instructions
(3AXD50000002773).