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66 Start-up
Start-up procedure
Tasks
Safety
WARNING!
Obey the safety instructions during the start-up procedure. See
multidrive cabinets and modules safety instructions (3AXD50000048633
ignore the safety instructions, injury or death, or damage to the equipment can occur.
If you are not a qualified electrical professional, do not do installation or maintenance
work.
WARNING! Make sure that the disconnector of the supply transformer is locked to open position,
ie, no voltage is, or can be, connected to drive inadvertently. Check also by measuring that there
is no voltage connected.
Note: Some brake resistors are coated with oil film for protection. The protective oil will burn off when
the brake resistor is used for the first time. Make sure that there is proper ventilation.
Starting and checking the cooling system
Fill up and bleed the internal cooling circuit. Start the cooling unit up. See
bleeding the internal cooling circuit (page
If the drive is equipped with a cooling unit (ACS880-1007LC): Start up and power up the
cooling unit. See
ACS880-1007LC liquid cooling unit user's manual (3AXD50000129607
[English])
and the delivery-specific circuit diagrams.
Check the cooling system for leaks. Make sure that cooling circuit joints at the shipping
split joining cubicles are tight and that all drain valves have been closed.
Make sure that the coolant can flow freely in all cubicles. Make sure that drive system cools
down. See
ACS880-1007LC liquid cooling unit user's manual (3AXD50000129607
Install all shrouds (if removed) and close the cabinet doors.
Powering up the DC bus and starting up the inverters
Make sure that all cabinet doors are closed.
Close the disconnector of the supply transformer.
Close the drive auxiliary voltage switch [Q21] to power up the control units.
Start the supply unit. See the procedure in the supply unit hardware manual. When started,
the supply unit charges the capacitors of all inverters and brake units connected to the
DC bus.
Start up the inverter units. See the procedure in the inverter unit hardware manual.
Brake units with DC switch/disconnector (option +F286): Connecting the brake unit to the DC bus
Switch on the auxiliary voltage to the brake unit.
To charge the brake unit capacitors, close the charging switch [Q10].
When the green light on the cabinet door illuminates, close the DC switch/disconnector
[Q11] of the brake unit.
Open the charging switch [Q10].
Note: The brake unit can start only after the charging switch is open.
Setting up the brake parameters
94).
ACS880 liquid-cooled
[English]). If you
Filling up and
[English]).
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