SINOTIMER TM623-2 Din Rail Timer Switch

1. Introduction

The SINOTIMER TM623-2 Time Switch is a digital, programmable device designed for automatic control of electrical equipment such as street lamps and advertising light boxes. It features an astronomical function that automatically adjusts ON/OFF times based on latitude, ensuring precise control throughout the year. This manual provides comprehensive instructions for the safe installation, programming, and operation of your TM623-2 timer switch.

2. Safety Information

Please read and understand all safety instructions before installing or operating this device. Failure to follow these instructions may result in electric shock, fire, or damage to the product.

• Ensure the power supply is disconnected before any installation or wiring work.
• The switch should only be connected to an AC220V power supply. Do not connect to other power sources.
• Installation should be performed by a qualified electrician in accordance with local electrical codes.
• Do not operate the device in environments with explosion hazards or corrosive gases.
• Ensure the installation location is protected from snow and rain, and not exposed to excessive water vapor.
• Avoid installing in locations with significant shake, shock, or vibration.

3. Specifications

For detailed anti-interference tolerance specifications, please refer to the full user manual PDF.

4. Product Overview

The TM623-2 timer switch features a digital display and five control buttons for setting and programming. It is designed for DIN rail mounting.

5. Installation

5.1 Physical Installation

The TM623-2 timer switch is designed for installation on a standard 35mm DIN rail. Ensure the mounting location is stable and provides adequate ventilation.

5.2 Initial Setup

Before initial use, please push the blue limiting piece located at the bottom of the product. This releases the internal mechanism for proper operation.

5.3 Wiring Method

The timer switch must be connected to an AC220V 50/60Hz power supply. Ensure all connections are secure and comply with electrical safety standards. The wiring method depends on the type and load of the controlled appliance.

5.3.1 Single-Phase Controlled Wiring

For single-phase appliances, two main wiring methods are available:

• Direct Control Method (Diagram A): Applicable when the working current of the controlled appliance does not exceed the rated value of the timer switch (16A).
• Single-Phase Expansion Method (Diagram B): Required when the working current of the controlled appliance exceeds the rated value of the timer switch, or for light loads with significant starting current impact. An external AC contactor is used in this configuration.

5.3.2 Three-Phase Controlled Wiring

For three-phase controlled appliances, an external AC contactor is always required. The wiring depends on the coil voltage of the contactor.

• Contactor Coil AC 220V 50Hz (Diagram A): Wire the timer switch to control the 220V contactor coil.
• Contactor Coil AC 380V 50Hz (Diagram B): Wire the timer switch to control the 380V contactor coil.

6. Operation

The control panel has five buttons: 'MD' (mode), 'R' (recall), '◀' (left), '▲' (up), and '▼' (down). These buttons are used to adjust date, latitude, hour, and minute settings.

6.1 Unlocking the Device

To unlock the keyboard and enable settings, press the 'MD' button for 3 seconds. The 'LOCK' indicator on the display will disappear.

6.2 Setting Current Time and Date

1. Press 'MD' for 3 seconds to unlock the device.
2. The 'min' position on the display will flash. Use the '▲' and '▼' buttons to adjust the minutes.
3. Press '◀' to move to the hour setting, then use '▲' and '▼' to adjust the hour.
4. To adjust the date, press 'MD' to enter the current date adjustment status. Use '◀' to select the position (month/day) and '▲' / '▼' to adjust the values. For example, March 15th would be '03:15d'.
5. After setting, press 'MD' to exit the date adjustment.

6.3 Setting Latitude

The TM623-2 can automatically adjust ON/OFF times based on your geographical latitude.

1. Press 'MD' + 'R' simultaneously to enter the latitude setting interface.
2. Use the '▲' and '▼' buttons to adjust the latitude value. For example, set 'N: 30' for 30° North latitude or 'S: 15' for 15° South latitude.

6.4 Programming ON/OFF Times (8 Groups)

You can set up to 8 ON/OFF programs per day.

1. After setting the current time and date, press 'MD' to enter the timing parameters setting mode. The corresponding position will flash.
2. Setting '1 ON' (First Switch-On Time): Use '▲' and '▼' to set the desired switch-on time. The latitude marks on the display indicate the latitude adjustment function is active. After setting the hour, press '▲' to enter latitude mark setting mode, then use '▲' and '▼' to enable or disable the latitude adjustment function for this specific program.
3. Press 'MD' to proceed to '1 OFF' (First Switch-Off Time) setting. Set the switch-off time using the same method as '1 ON'.
4. Repeat steps 2 and 3 for additional ON/OFF programs (up to 8 groups).
5. Removing Redundant Programs: If you have unused program groups, press 'MD' to cycle through them. When on a redundant program, press 'R' to clear it. The display will show '----:----'.

6.5 Manual/Automatic Status Switching

After programming, the timer switch will automatically lock. To switch between manual and automatic operation modes:

1. Press 'MD' and '▲' simultaneously.
2. Continuously pressing this combination will cycle through the following statuses: 'OFF', 'AUTO OFF', 'ON', and 'ON AUTO'.
3. 'ON AUTO' or 'AUTO OFF': Select these modes for the timer switch to operate according to your programmed ON/OFF times, utilizing the astronomical function if enabled.
4. 'ON' or 'OFF': These modes provide temporary manual override, forcing the output ON or OFF regardless of the programmed schedule.

7. Troubleshooting

• Automatic Control Not Working: If the device does not operate according to the programmed schedule, check if 'AUTO' is displayed in the lower right corner of the screen. If not, switch to 'ON AUTO' or 'AUTO OFF' mode as described in Section 6.5.
• Abnormal Device Behavior / Reset: In case of abnormal operation, short terminals 3 and 4 to perform a reset. After resetting, you will need to re-enter the current time, date, and latitude settings.
• LCD Screen Display Issues: The internal battery primarily powers the LCD screen and settings. If the A1, A2 terminals lose auxiliary power, the screen may not display correctly, but the battery should maintain settings. The internal battery is not designed to drive the relay output.
• Latitude Function Discrepancies: If the latitude function is enabled for a program, the set time may automatically adjust with changes in current latitude and date. Always re-verify your programmed times after making significant changes to latitude settings.

8. Maintenance

The TM623-2 timer switch requires minimal maintenance. Keep the device clean and free from dust. Do not use abrasive cleaners or solvents.

8.1 Environmental Disposal

At the end of its product life, to protect the environment, please ensure proper recycling of components that can be reused. Waste and useless parts should be disposed of safely and responsibly according to local regulations.

9. User Tips

• Always double-check your wiring connections before applying power to prevent damage to the device or connected appliances.
• For optimal performance of the astronomical function, ensure your latitude setting is accurate for your location.
• Utilize the 8 ON/OFF program groups to create flexible and efficient schedules for your lighting or other equipment.
• The manual override function (ON/OFF) is useful for temporary adjustments without altering your programmed schedule.

10. Warranty and Support

For warranty information or technical support, please refer to the official product documentation or contact your retailer. A detailed user manual in PDF format is available for download, which includes comprehensive wiring diagrams and technical specifications. You can find this document at: User Manual (PDF)