Gervall ALJO 2130 Quick guide

Overspeed Governor ALJO 2130
UCM
Maintenance and assembly instructions
IM 2130 UCM IN 02
Pag.: 1 / 2
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1.- Seal. ATI/LD-VA/M183A-1/14 CM/013/11
The adjusted sealed points of the overspeed
governor should not be manipulated. The
adjustments are produced in the workshop and cannot
be varied.
2.-Cables.
The ropes to be used are Ø 6 mm - Ø 6,5 mm - Ø 8
mm.Avoid getting the rope greasy when lubrication
procedures are carried out in the lift.
3.- Fixture and Assembly.
To assemble the overspeed governor it will be
necessary to apply Hilti type wads or similar of
M12x100E. The overspeed governor will be fixed on
these wads in the middle of two drills situated in the
base, or better still, by means of screws if pre-drilled
guides have been installed in the floor.
4.- Blocking-Unblocking of the Overspeed
Governor.
The overspeed governor has upward and downward
blocking. Can be used indiscriminately mounted right or
left (both directions of rotation). The blocking speed
may range from one direction to another of 4% and 8%.
4.1.- Manual blocking.
It is possible to carry out the manual tripping of overspeed governor, to activate the safety gear, pushing the axis of the
rubber pulley and it is out of frame of overspeed governor, as indicated in the arrow in the diagram.
4.2.- Mechanical and electrical blocking.
When the rotation speed of the overspeed governor reaches the speed at which it has been calibrated and sealed, the
electrical contact is activated, which indicates the control panel to brake the machine and decelerrate the car. If this is not
enough, the overspeed governor will block mechanically and as a result activate the safety gears and the stoppage of the car
on the guide rails.
4.3.- Electrical contact reset.
The over speed switch has to be reset when it has been opened. This will be reset manually (machine room) o automatically
o can be reset by remote at 24 VDC or 230 VAC (maximum ampere of 4,2 A and 0,5 A) and allways will be after the
mechanical reset of the overspeed governor.
Ref.
ϕ(mm)
Overspeed
Contact
Contact Remote
Reset
Remote tripping
device
Tension Pulley
Up / Down
2130.PS24
300
Manual reset
--------
--------
12.065.0A
2130.TS24
300
Auto reset
--------
--------
12.065.0A
2130.TSD24
300
Auto reset
--------
ED / 24 VDC (1,9 A)
12.065.0A
2130.TSD48
300
Auto reset
--------
ED / 48 VDC (1 A)
12.065.0A
2130.TSD230
300
Auto reset
--------
ED / 230 VAC (0,25 A)
12.065.0A
2130.ZS24
300
Remote reset
24 VDC (4,2 A)
--------
12.065.0A
2130.ZS230
300
Remote reset
230 VAC (0,5 A)
--------
12.065.0A
2130.ZSD24
300
Remote reset
24 VDC (4,2 A)
ED / 24 VDC (1,9 A)
12.065.0A
2130.ZSD230
300
Remote reset
230 VAC (0,5 A)
ED / 230 VAC (0,25 A)
12.065.0A

Overspeed Governor ALJO 2130
UCM
Maintenance and assembly instructions
IM 2130 UCM IN 02
Pag.: 2 / 2
4.4.- Mechanical reset.
When the overspeed governor is triggered, its rope is maintained in a locking position being required the displacement of the
car in the opposite direction of which the blocking was produced for the mechanical resetting.
4.5.- UCM blocking.
There is a 24 VDC solenoid (100%) which with current allows free rotation of the overspeed governor and without current
works on a cog wheel (in unison with the pulley of the overspeed governor) allowing detection of UCM (by activating the
contact for UCM detection), giving a signal to the control panel of stoppage of the car and in the case of this not being
sufficient the blocking of the overspeed governor and the activation of the safety gears. When the car is on the floor and with
open doors this solenoid should not have current.
5.- Tension Pulley.
The tension pulley 12.065.0A has been estimated to produce a tension on the safety gear in the ascent direction of at least
300 N. In descent the tension is over 600N. Other tension pulleys can be used, always when the minimum tension is
guaranteed on the axle of the tension pulley. The tension pulley has a contact to detect the loosening of cables, which is
activated when the pulley turns on lengthening the rope.
6.- Electrical assembly.
The current of the remote tripping device (see table). Maximum time of activated coil of 10 second, waiting time for next
activation of 30 seconds.
The current of the electroiman must be 24 VDC. Maximum consumption of 1,9 A.ED =100% If the electroiman has tension
the UCM system will be desactived. The positionning contact of the electromagnet, safety contact is made up of two switch
contacts, 1NC + 1NO. The NC closed electromagnet with current and UCM system desactivated the NC opened.
The electrical tripping device, safety contact, is composed of 1 contacts 1NC (manual reset) and 1 NC+1NO (automatically
reset) or 2NC (remote reset at 24 VDC with 4,2 A or 230 VAC with 0,5 A).
The electrical UCM device, safety contact, is composed of 2 contacts 1NC + 1 NO. If the UCM is not detected the NC will be
closed.
7.-Maintenance.
All the rotation axes of the overspeed governor and of the return pulley have autolubricating caps, which means that they do
not require any subsequent greasing or maintenance.
At the same time, greasing of the cable can reduce the adherence of the cable and the channel of the overspeed governor.
This could reduce the strength of the test pulley.
Two things should be kept in mind to avoid incorrect operation of the overspeed governor. First, mobile elements should be
kept clean to avoid possible mixfunction. The installer should ensure of the perfect condition. Second, although the
equipment leaves the factory finished to avoid corrosion, the installer should check the parts, and act where appropriate. The
maintenance company will determine the frequency of inspections, but they should take into account the atmosphere where
the equipment is installed.
8.- Responsibilities.
Gervall no se responsabiliza de los problemas derivados del no cumplimiento de los consejos y
prescripciones descriptos. Así mismo, no se hace responsable de la manipulación de los precintos.
Gervall will not be held responsible for any problems caused by the non-compliance of advice and
guidelines. At the same time, Gervall will not be responsible for any manipulation of seals.