Ltech LT-3900 User manual

1
LT-3900
LED RGB Controller
LT-3900 is a multi-function RGB controller that built-in 32 modes. Adopting advanced
PWM (Pulse-Width Modulation) control technique, Changing effect is smooth without
flicker. Adopting hi-power MOS driver, RGB 3 channels output and total current up to 18A,
Unique touch technique, Controller has 8 touch buttons, Which are used for choosing
power on or off, pause, modes changed, speed, LED brightness, etc. Automatically adapt
to DC5-24V voltage input, Suitable for major & conventional LED products, Such as LED
strip, LED module. etc. Simply put, as long as low voltage LED lights whose current
limited by resister. Then LT-3900 can control.
LT-3900
Input voltage
Max. load current
Max. load power
Grey scale
Product Size
Packing size
Weight (G.W.)
DC5V～DC24V
6A/CH x3CHs
90W/216W/432W(5V/12V/24V)
256 steps per RGB
L211×W40×H30(mm)
L215×W43×H32(mm)
180g
Working temperature -30 ~55
℃ ℃
CV LED power supply
LT-3900 LED RGB Controller Manual
RoHS
COMPL IANT
warranty
3 years
ISO9001:200 8
1. Technical Specs
Mating power supply
LT-3900 LED RGB Controller Manual
2
The controller there are 8 function keys
ON/OFF、PAUSE、MODE+、MODE-、SPEED+、BRT+、BRT-SPEED-、
ON/OFF
PAUSE
MODE+
MODE-
SPEED+
SPEED-
ON/OFF
MODE+ MODE-/
BRT+
BRT- Press them to increase or decrease brightness ,
press any one in 3s , current brightness is restored to default status
Press them to select next mode or back to previous mode
Press MODE+ or press MODE- in 3s to enter cycle mode
SPEED+/SPEED-
Press them to quicken or slower speed , press SPEED+ or
SPEED- in 3s ,current speed is restored to default status
PAUSE Press it to rest at current color.
Press it again ,it will continue to change
Turn on/off the Led light
HH
H H HH
40mm
30mm
16mm
15mm
10mm10mm
203mm
20mm
211mm
BRT+/BRT-
2. Product size
Sign Button Description
3. Detailed key functions
ZHUHAI LTECH ELECTRONIC TECHNOLOGY CO., LTD. WWW.LTECHONLINE.COM
[e-mail]
Tel: [phone] Fax: [phone]
LTECH LTECH

3
LT-3900 LED RGB Controller ManualLT-3900 LED RGB Controller Manual
HH
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VBGR
LED MODULE
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LED MODULE
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LED MODULE
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LED MODULE
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LED MODULE
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LED MODULE
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LED MODULE
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LED MODULE
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DC12V
DC12V
LN
AC DC
AC220V 110V
POWER
5. Conjunction diagram
4. Tables of Changing mode
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
Mode
Static red
Static green
Static blue
Static yellow
Static purple
Static cyan
Static white
RGB skipping
7 colors skipping
White strobe
7 colors strobe
Red Fade out and fade in
Green Fade out and fade in
Blue Fade out and fade in
Yellow Fade out and fade in
Purple Fade out and fade in
Cyan Fade out and fade in
White Fade out and fade in
RGB Fade out and fade in
Red/green gradual alternately
Red/blue gradual alternately
Green/blue gradual alternately
Red/yellow gradual alternately
Green/cyan gradual alternately
Blue/purple gradual alternately
Green/yellow gradual alternately
Blue/cyan gradual alternately
Red/purple gradual alternately
Blue/white gradual alternately
Yellow/purple/can gradual alternately
RGB gradual alternately
Full color gradual alternately
brightness adjustable
brightness adjustable
brightness adjustable
brightness adjustable
brightness adjustable
brightness adjustable
brightness adjustable
speed/brightness adjustable
speed/brightness adjustable
speed/brightness adjustable
speed/brightness adjustable
speed/brightness adjustable
speed/brightness adjustable
speed/brightness adjustable
speed/brightness adjustable
speed/brightness adjustable
speed/brightness adjustable
speed/brightness adjustable
speed/brightness adjustable
speed/brightness adjustable
speed/brightness adjustable
speed/brightness adjustable
speed/brightness adjustable
speed/brightness adjustable
speed/brightness adjustable
speed/brightness adjustable
speed/brightness adjustable
speed/brightness adjustable
speed/brightness adjustable
speed/brightness adjustable
speed/brightness adjustable
speed/brightness adjustable
Description
4
Power repeater can be added to amplify power output unlimitely when the power of one
controller is not enough
POWER O UTPUT
INPU T
SIGN AL
MODE L: LT-30 60
DC5V -DC24V
LED CO NTROL LER
5A×3CH
POWE R REPEATE R
H H HH
H H HH
H H
LN
AC DC
AC22 0V 110V
DC12 V
V
BGR
DC12 V
LN
AC DC
AC22 0V 110V
DC12 V
R
B
G
R
B
G
R
B
G
R
B
G
R
B
G
R
B
G
R
B
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B
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B
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B
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R
B
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B
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R
B
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R
B
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R
B
G
R
B
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R
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R
B
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R
B
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R
B
G
R
B
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R
B
G
R
B
G
R
B
G
R
B
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R
B
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R
B
G
H H HH
H H HH
H H
R
B
G
R
B
G
R
B
G
R
B
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R
B
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R
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R
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R
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R
B
G
LED MODULE
R
B
G
R
B
G
R
B
G
R
B
G
HH
H H HH
LN
AC DC
AC22 0V 110V
POWER
SUPPLY
DC12 V
POWER O UTPUT
INPU T
SIGN AL
MODE L: LT-30 60
DC5V -DC24V
LED CO NTROL LER
5A×3CH
POWE R REPEATE R
In-phase cable
POWER
SUPPLY
POWER
SUPPLY
The following we take RGB module for example, power repeater all are parallelled on the output
cable of controller.
LED MODULE LED MODULE LED MODULE
LED MOD ULE LED MOD ULE LED MOD ULE LED MOD ULE
LED MOD ULE LED MOD ULE LED MOD ULE LED MOD ULE
LED MOD ULE LED MOD ULE LED MOD ULE LED MOD ULE
LED MODULE LED MODULE LED MODULE LED MODULE
LED MOD ULE LED MOD ULE LED MOD ULE LED MOD ULE
6. Attention
7. Warranty Agreement
1. The product shall be installed and serviced by a qualified person.
2. This product is non-waterproof. Please avoid the sun and rain. When installed outdoors please ensure it is
mounted in a water proof enclosure.
3. Good heat dissipation will prolong the working life of the controller. Please ensure good ventilation.
4. Please check if the output voltage of any LED power supplies used comply with the working voltage of the product.
5. Please ensure that adequate sized cable is used from the controller to the LED lights to carry the current. Please
also ensure that the cable is secured tightly in the connector to avoid the accidents due to overheat and poor
contact on the wire.
6. Ensure all wire connections and polarities are correct before applying power to avoid any damages to the LED lights.
7. If a fault occurs please return the product to your supplier. Do not attempt to fix this product by yourself.
1. We provide lifelong technical assistance with this product:
A 3 year warranty is given from the date of purchase. The warranty is for free repair or replacement and covers
manufacturing faults only.
For faults beyond the 3 year warranty we reserve the right to charge for time and parts.
2. Warranty exclusions below:
Any man-made damages caused from improper operation, or connecting to excess voltage and overloading.
The product appears to have excessive physical damage.
Damage due to natural disasters and force majeure.
Warranty label, fragile label and unique barcode label have been damaged.
The product has been replaced by a brand new product.
3. Repair or replacement as provided under this warranty is the exclusive remedy to the customer. Ltech shall not be
liable for any incidental or consequential damages for breach of any stipulation in this warranty.
4. Any amendment or adjustment to this warranty must be approved in writing by Ltech only.
ZHUHAI LTECH ELECTRONIC TECHNOLOGY CO., LTD. WWW.LTECHONLINE.COM
[e-mail]
Tel: [phone] Fax: [phone]
LTECH LTECH
★ This manual only applies to this model. Ltech reserves the right to make changes without prior notice.