DEWIN QERXBEYQX-GS99251

DEWIN Digital DIN Rail Timer Instruction Manual

Model: QERXBEYQX-GS99251

Introduction

This instruction manual provides detailed information on the installation, operation, and maintenance of your DEWIN Digital DIN Rail Timer. This electronic timer is designed for precise control of various electrical devices, offering daily and weekly programming capabilities. Please read this manual thoroughly before use to ensure safe and efficient operation.

Safety Instructions

WARNING: Risk of Electric Shock!

  • Installation and wiring should only be performed by a qualified electrician in accordance with local electrical codes and regulations.
  • Ensure the power supply is disconnected before any installation, wiring, or maintenance work.
  • Do not operate the device if it is damaged or has been exposed to moisture.
  • This device is designed for indoor use only. Avoid exposure to direct sunlight, high temperatures, or corrosive environments.
  • Do not exceed the specified load capacity of 16A 250VAC.

Product Overview

Key Features

  • Daily and weekly preset function, programmable up to one week in advance.
  • LCD display for real-time indication of hours/minutes and On/Auto/Off status.
  • Repeatable program with up to 16 ON/OFF settings.
  • High precision timing with minute accuracy.
  • Built-in industrial-grade chip for strong anti-interference capability and long service life.
  • Automatic switching of electrical devices based on user-defined schedules.

Components

The DEWIN Digital DIN Rail Timer features an LCD display, control buttons, and terminal connections for power input and load output.

DEWIN Digital DIN Rail Timer, front-side view.

Image: Front view of the DEWIN Digital DIN Rail Timer, showing the LCD screen and control buttons.

Front view of the DEWIN Digital DIN Rail Timer, showing the display and control buttons.

Image: Detailed front view of the timer, highlighting the display and button layout.

Setup

Initial Power On

When using this timer switch for the first time, turn on the power and allow the built-in battery to charge. After charging is complete, press the "RESET" key to initialize the device.

Wiring Diagram

Proper wiring is crucial for the safe and correct operation of the timer. Refer to the diagram below for connection instructions. Ensure all connections are secure and insulated.

Wiring diagram for the DEWIN Digital DIN Rail Timer, showing connections to a breaker and load.

Image: Electrical wiring diagram for connecting the DEWIN timer to a power source (N, L) via a breaker and to a load.

The diagram illustrates connecting the timer to a power line (L) and neutral line (N) through a circuit breaker. The output terminals (3, 4, 5) are then connected to the load. Always ensure the breaker rating matches the load requirements and the timer's specifications.

Operating Instructions

Setting the Clock

To adjust the current time:

  1. Press "D+" to set the day.
  2. Press "H+" to set the hour.
  3. Press "M+" to set the minute.
  4. If your product does not have a lock function, you may need to press the Clock icon button and simultaneously press "D+", "H+", and "M+" to adjust the time.

Programming the Timer

The timer allows for up to 16 ON/OFF settings. Follow these steps to program your desired schedule:

DEWIN Digital DIN Rail Timer with overlayed instructions for power-on, clock setting, and programming.

Image: The timer display and buttons, illustrating the steps for programming ON/OFF times.

Programming Steps
StepKey PressProgramming Action
1*Press PSet "on" time (display I on)
2**Press D+Select days of week (if you want same setting every day, you need to press this key)
3Press H+/M+/MANUALSet hours/minutes/seconds
4Press PSet "off" time (display I off)
5Press D+Select days week (if you want same setting every day, you need to press this key)
6Press H+/M+/MANUALSet hours/minutes/seconds
7Repeat step 2-6Set 2-28 on/off time
8***Press Clock iconEnd programming

Note: If you want to clear the program that has been set, press "C/R", and the LCD will show "----". If you want to restore the erased program, press "C/R" again.

Maintenance

The DEWIN Digital DIN Rail Timer requires minimal maintenance. To ensure its longevity and proper function:

  • Regularly clean the exterior with a soft, dry cloth. Do not use abrasive cleaners or solvents.
  • Ensure the device is kept in a dry environment, away from excessive dust and moisture.
  • Periodically check wiring connections for tightness and signs of wear.

Troubleshooting

If you encounter issues with your DEWIN Digital DIN Rail Timer, refer to the following common problems and solutions:

  • Device not powering on:
    • Check the power supply and circuit breaker.
    • Ensure the timer is correctly wired according to the diagram.
    • Verify the internal battery has charged sufficiently after initial power-on and reset.
  • Timer not switching at programmed times:
    • Double-check your programming steps for accuracy (ON/OFF times, days of week).
    • Ensure the current time is correctly set on the device.
    • Verify the timer is in "Auto" mode if applicable (check LCD display).
  • Display is blank or flickering:
    • This may indicate low internal battery. Allow the device to charge for several hours while connected to power.
    • If the issue persists, contact customer support.

For issues not covered here, please contact DEWIN customer support.

Specifications

Detailed technical specifications for the DEWIN Digital DIN Rail Timer:

Dimensions of the DEWIN Digital DIN Rail Timer, showing height, width, and depth.

Image: Product size information, including dimensions in millimeters.

SpecificationValue
BrandDEWIN
Model NumberQERXBEYQX-GS99251
Input VoltageAC230V
Load Capacity16A 250VAC (resistive load)
Power Consumption4.5VA (max)
Timing Error≤2s/day (25°C)
On/Off Operation16 ON and 16 OFF (manual/auto)
Binding Interval1 minute to 168 hours
Operating Temperature-10°C to 55°C
Product Dimensions87mm (H) x 35mm (W) x 66mm (D)
Item Weight150 grams

Product Applications

The DEWIN Digital DIN Rail Timer is highly versatile and suitable for a wide range of applications due to its high precision and strong anti-interference capabilities. It can be used to automate the switching of various electrical devices and household appliances.

Examples of applications for the DEWIN Digital DIN Rail Timer, including street lights, factories, and home appliances.

Image: Visual examples of the timer's application in street lighting, industrial production, and home environments.

Common applications include:

  • Street lights and neon signs
  • Advertising billboards
  • Production equipment and machinery
  • Radio and television equipment
  • Various household appliances requiring timed operation

Warranty and Support

For information regarding warranty coverage, technical support, or service, please refer to the product packaging or contact DEWIN customer service directly. Keep your purchase receipt as proof of purchase.

For further assistance, please visit the official DEWIN store or contact their support channels.

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