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Caution

1. Do not expose motor to humid or extreme temperature conditions.

2. Do not drill into motor.

3. Do not cut the antenna and keep it clear from metal objects.

4. Do not allow children to play with this device.

5. If power cable or connector is damaged, do not use.

6. Ensure correct crown and drive adaptor are used.

7. Ensure power cable and aerial is clear and protected from moving parts.

8. Cable routed through walls shall be properly isolated.

9. Motor is to be mounted in horizontal position only.

10. Before installation, remove unnecessary cords and disable equipment not needed for powered

operation.

11. Installation and programming to be performed by a qualified professional, use or modification outside

the scope of this instruction may void warranty.  

Motor Installation

Drive tube

Drive tube

Step 1  Cut drive tube to required length.

Step 2  Ensure tube edge is clean and burr-free.

Charging Instructions

Micro-USB charging: 5V

This motor has a built in Li-ion battery pack with integrated charge management.

Max power input for recharging: 5V 2A. 

Before first use please charge motor for 6 hours. Using 5V charger (most phones charger is 5V ) . 

During operation, when the motor starts, the buzzer will beep 10 times, indicating a low-voltage alarm and

needs to be charged.

During operation, the voltage was detected to be too low, the battery was about to run out, the battery

stopped running and needed to be recharged.

Micro-USB Port

Rechargeable Battery

Blinking red:

Low battery alert 

Blinking green:

Charging is processing 

Solid green:

Battery has

finished charging.

Step 3  Mount correct crown & drive adapter on
the motor. Make sure drive adapter fits firmly and
crown rotates freely.    

Step 4  Align the notches on the crown and drive
adapter with the drive tube, slide and fit the motor  
into drive tube. Mount idler and bracket on both
ends.  

Drive Adapter

Crown

Circlip

Bracket

Bracket

BR-25-1140USB

Instruction

A-05

Attention

Fields of Application

Features

The motor is suitable for motorization of roller blinds. 

Never drop, knock, drill or submerge the motor. Keep the power cable in right position as following.

Important safety instructions to be read before installation. 

Incorrect installation can lead to serious injury and will void manufacturer’s liability and warranty.

Built-in Receiver

Jog & Tilt

Built-in Lithium Battery

Scan and Program

Status Feedback

Switch Direction

Stall Protection

Program Button

Reset to Factory Mode

Memorized Setting

Electronic Limit

Preferred Stop Position

Speed Regulation

Scene Control

Specifications

Following data for reference

Working temperature: -10

~ +50

Input Voltage: USB 5V 1A / USB 5V 2A

Radio Frequency: 433.92MHz

Maximum Running Time: 6 minutes

* For reference only.

Model

Rated Torque

(N.m)

Rated Speed

(rpm)

Rated Power

(W)

DM25LEU/S-0.7/34

0.7

34

8

DM25LEU/S-1.1/28

1.1

28

10

DM25LEU/S-1.1/40

1.1

40

10

SAFETY  NOTE

1. This appliance can be used by children aged from 8

years and above and persons with reduced physical,
sensory or mental capabilities or lack of experience
and knowledge if they have been given supervision or
instruction concerning use of the appliance in a safe
way and understand the hazards involved.

2. Children shall not play with the appliance.
3. Cleaning and user maintenance shall not be made by

children without supervision.

4. If the supply cord is damaged, it must be replaced by

the manufacturer, its service agent or similarly qualified
persons in order to avoid a hazard.

5. WARNING: the drive shall be disconnected from its

power source during cleaning, maintenance and when
replacing parts.

6. The instructions shall state that the A-weighted emis

sion sound pressure level of the drive is equal to or

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7. The mass and the dimension of the driven part shall be

compatible with the rated torque and rated operating
time.

8. The type of driven part the drive is intended for.
9. WARNING: Important safety instructions. It is important

for the safety of persons to follow these instructions.
Save these instructions.

10. Do not allow children to play with fixed controls. Keep
    remote controls away from children.
11. Frequently examine the installation for imbalance and
    signs of wear or damage to cables and springs. Do not
    use if repair or adjustment is necessary.
12. Watch the moving shutter and keep people away until
    the shutter is completely closed.
13. WARNING: Important safety instructions. Follow all
    instructions, since incorrect installation can lead to 
    severe injury.
14. Before installing the drive, remove any unnecessary
    cords and disable any equipment not needed for 
    powered operation.

Do not dispose of in general waste. 
Please recycle batteries and damaged electrical products appropriately.

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