Technical leaflet
150022 1
Date
2012-03-07
Trolley Return Unit for 920/1500
Automatic return unit for a suction trolley
•Up to 35 meter Rail.
•Fast loop time 0.75 m/s (45 – 50 seconds for 35 m).
•Can be combined with 920 - mechanical, electromagnetic and
pneumatic suction units.
•Safe and reliable.
•Everything included.
The trolley return unit is very suitable for high capacity drive
through applications such as vehicle inspection centres and
bus garages.
The system is fully automated. The fan is automatically
started when the hose is pulled down to attach the nozzle to
the vehicle’s exhaust pipe. The vehicle pulls the trolley along
the straight rail to the disconnection point at the end of the
rail.
After disconnection, the hose hoist will lift up the hose, close
the automatic damper, and start the motorized return of the
trolley. Manual return by pushing a button or completely automatic return is selected with a switch setting on the panel.
The system is designed for easy operation and high reliability.
The trolley return unit is an accessory for the 920 rail and
suits both mechanical, electromagnetic and pneumatic suction
units of type 1500.
Included
•Drive motor
•Control box
•Motor damper
•Internal wiring
To be ordered separately
• Rail and suction unit to be ordered separately.
(See separate Technical leaflets 9884012 and 150021.)
Safe and reliable
• Emergency stop.
•Drive release, if obstacle in-way.
•Limited drive function even if limit switches fails.
•Built-in failure mode logics.
•Automatic damper closing when the trolley return is activated.
Manual or automatic trolley unit return
•Manual control (push button).
•Automatic return of trolley unit when the nozzle is disconnected
from the hose.
Product
Trolley Return Unit for 920/1500
Accessory
Bus bar extension 2.5 m trolley return
Part no.
20801144
Part no.
20376472
Trolley Return Unit for 920/1500
Main components
Suction rail
End cover
Bus bar SLX3
Motor damper
Drive unit
driving slot
Connection box 1
Guide pulley
(on the middle of
the rail´s mounting
brackets)
Balance
block
Wire stop with spring
Control box
(start / stop)
Limit switch
SLX
Limit switch SL4
Idler pulley unit
Wire
Control box
(manual / auto)
Disconnection arrow SLX1
Figure 1 (Overview components)
Technical information
Rail length
max. 35 m
Suction unit (1 per rail)
920-1500
Voltage, primary side
100/115/200/230/240 V
Return time for suction trolley
Phase, primary side
Frequency, primary side
Voltage, secondary side
Protection class
Connection box 2
Inductive sensor SL2
< 1 min.
1-phase
50 / 60 Hz
24 V
Ambient temperature working range for electrical
components
Temperature resistance
Weight complete
Environmental data
Recycling level
Energy consumption
0 - 40ºC
30 kg
100%
300 W
IP21
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