Invertek Drives elevator CORE Quick Start-Up Manual page 46

46 | P a g e
16. Rescue Operation
Rescue operation is normally used in the event of a mains borne power failure, with the primary goal of moving the elevator car at a limited
motor speed for passenger evacuation, the power source comes from either DC (Batteries) or a UPS power supply as defined by the setting of
P7-01 and with wiring in accordance with the connection diagrams shown below.
Rescue Supply Type
P7-01
 230VAC 1ph UPS (Default)
 400VAC 2ph UPS
 Battery Operation
16.1. UPS power supply connections
16.2. Activating UPS Rescue mode
www.InvertekDrives.com
*Required Contactor Sequencing
•
The Rescue Supply Contactor must only be
closed when the Main Contactor is open
(Interlocking Mechanism)
•
A delay time of no less than 5 sec's must be
included when changing over to/from UPS
supply to/From mains supply mode.
•
The Main Supply Contactor and Rescue
Supply Contactor must be interlocked so
that both cannot be energised at the same
time, failure to do so may result in damage
to the UPS, contactor.
•
The drive will always wait until the next stop
command (Direction input removal) before
rescue mode operation is activated and
likewise when rescue mode is de-activated
the drive will wait until the next stop
command before changing back to normal
mains supply operation.
Note : Circuit protection must be provided.
The drive will only run when a direction
command is given.
Direction of travel can be shown on the display
by pressing the button, it is assumed that
when a Run up (Forward) command is given the
motor rotates clockwise (looking at the motor
with the sheave facing you).