LGB 52120 Instructions De Service page 6

USA GB
52120
Analog Throttle, Indoor/Outdoor
52121
Analog Throttle, Unmounted
THE PRODUCT
The powerful LGB throttles incor-
porate state-of-the-art technolo-
gy:
• 5 amp capacity with built-in
AC/DC conversion
• SIC (Special Integrated Circuit)
technology for electronic
• throttle control and a smooth
voltage waveform
• For use indoors and outdoors
(52120 only)
• Safety connectors for wires up
2
to 0.5 mm
• Low heat generation
• Short circuit sensor
• Use with High-Output AC Trans-
former or any LGB power supp-
ly, AC or DC
• Specifications
• 52120: Base dimensions: 175 x
115 mm
• 52121: Dimensions: 108 mm x
80 mm, installation depth: 50
mm
• Input voltage: 15-18V AC. or
24V DC max.
• Output voltage: 24V DC max.
• Output current: 5A DC max.
THE PROGRAM
With this product, we recommend
the following items:
- 00559 Explore the World of LGB
- 50110 AC Transformer, 230V,
24V, 5A
- 50111 AC Transformer, 110V,
24V, 5A
- 50160 Track Power Cable
For information on the complete
LGB program, see the LGB cata-
log.
OPERATION
Installation
Mechanical
52120:
The 52120 can be installed indo-
ors or outdoors.
52121:
The 52121 is designed for instal-
lation in control panels or similar
applications. To install the 52121,
6
follow these instructions:
1. Drill a hole (diameter at least
6.5 mm, 9/32 in) for the axle of the
throttle knob. Pull the throttle knob
and the graduated dial face off the
unit.
2. Drill two holes for the mounting
screws. Insert the axle of the
throttle knob from below through
the hole drilled in step 1. Use two
M3 screws to secure the throttle
from above.
Attention! The screws must not
protrude more than 4 mm (3/16")
from the heat sink. If they protru-
de further or press on the circuit
board, the circuit board will be
damaged.
3. Glue the graduated dial face
onto the face of the control panel
and press the throttle knob onto
the throttle.
Attention! Make sure the heat
sink is ventilated. If the throttle is
installed in a closed housing, pro-
vide adequate ventilation holes.
When installing several throttles
52121 next to each other, make
sure there is a space of at least 5
mm between the heat sinks.
Electrical
The throttles can be connected to
AC or DC power from any LGB
power supply. An internal circuit
automatically detects the power
type and converts it to track
power.
Connect the power supply to the
terminals on the right side of the
throttle (marked
Connect the track to the terminals
on the left side (marked RT/BL).
Hint: The throttle can also be
used with two 12 volt automotive
or „deep cycle" battery. For safety,
also use a regular automotive
fuse rated up to 4 amps.
Operating without mains volta-
ge supply
Figure 2: When connecting to a
12-volt car battery, the circuit
must be protected via a 4 A fuse,
(e.g. car in-lead fuse holder as
used for car radios).If a fuse is not
fitted, the electronic controller will
be damaged.
Attention! Connect the throttle
using wires with a cross-section
of at least 0.5 mm2 (20 AWG) (e.
g., LGB 50160).
Operation
When the throttle knob is in the
center „0" position, the throttle is
off. Turn the throttle left or right to
change the speed and direction of
the train.
WS/SW).