RED-G
26
REV. 9 PRINTED 02/2018
TECHNICAL SPECIFICATIONS
WORKING CYCLE
RED-G is an automatic rescue device for GEARLESS lift systems.
RED-G has to be installed on the 3-phase 400Vac mains; in case of power failure, powered
by batteries, it fully supplies the lift system with the necessary power to move the car at
reduced speed and open the automatic doors at floor.
RED-G is supplied by batteries and provides a stabilized output voltage, sinusoidal or
modified sine wave (depending on size), and it is suitable for any lift installation.
Contactors inside RED-G, providing the power switching between the mains and RED-G,
operate only during rescue operation, in order to allow the normal operation of the lift
system even in case of RED-G failure.
This manual provides you the necessary information about wiring, put on service and the
operation of RED-G, please read it carefully before going on with the installation.
RED-G detects the mains power failure (even of a single phase) and after a few
seconds the rescue operation starts:
- The KE1 and KE2 contactors are switched ON, so the power supply, which nor-
mally comes from the mains, is cut.
- Next, the 3-phase inverter switches ON in order to reproduce the mains voltage,
through the elevator transformer and the L/C filter, and supply the control panel.
It switches ON the KE output, in order to inform the control panel that a rescue operation
is running: the control panel must be set to move the car in low speed, reach the floor
level and open the door.
- RED-G ends its operation and shuts down after an adjustable time after the car stops at
floor (
F+/F- input), in order to allow the automatic door to open, so the people in the car
can easily go out.
- When the RED-G operation comes to an end, the lift system is put again in the
original operation condition, connected to the mains.
A new rescue operation would be carried out only after the mains supply comes back
and then it misses again.
T
ECHNICAL
S
PECIFICATIONS
/ W
ORKING
C
YCLE
Summary of Contents for RED-G 3000
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