SINOTIMER TM628SH Programmable Digital Timer Switch User Manual

1. Introduction

The SINOTIMER TM628SH is a versatile 7-day programmable digital timer switch designed for precise control of electrical appliances and industrial equipment. Featuring a large HD LCD with optional backlights, it offers advanced programming capabilities and robust performance for various applications.

2. Safety Information

• Ensure the power supply is disconnected before installation or maintenance to prevent electric shock.
• This device should be installed by a qualified electrician in accordance with local electrical codes.
• Do not exceed the specified load capacity (10A / 2000W resistive).
• Keep the device away from water and high humidity environments.
• The device is designed for indoor use only.

3. Package Contents

• 1 × Timer Unit (TM628SH)
• 1 × DIN Rail Clip
• 1 × Panel Mount Bracket
• 2 × Mounting Screws
• 1 × Mini Screwdriver
• 4 × Connection Wires (10 cm)
• 1 × CR2032 Battery (pre-installed)
• 1 × English Manual (PDF reference: User manual (PDF))

4. Product Overview

4.1 Front View and Controls

• LCD Display: Shows current time, day, and programming status.
• UP.ADJ / DOWN.ADJ Buttons: Used for adjusting values during time setting and programming.
• PROG Button: Enters programming mode, also used for locking/unlocking the screen.
• Rst Button: Reset function, also used to shut off/wake up the LCD.
• TIME Button: Used for setting the current time and navigating programming steps.
• LOCK / AUTO Indicators: Display current operational mode.

4.2 Back View and Terminals

• Terminals 1 & 2 (INPUT): Connect to the main power supply (NEUT, LINE).
• Terminals 4 & 5 (OUTPUT): Connect to the load (NEUT, LOAD).
• Terminal 3 (SINGLE POLE, SINGLE THROW): For single pole applications.
• Battery Compartment: Houses the CR2032 lithium battery for program backup.

5. Specifications

6. Installation

6.1 Mounting

The TM628SH timer supports two installation methods:

• Panel Mount: For integration into control cabinets. Use the provided panel mount bracket and screws.
• DIN Rail Mount: For quick and secure attachment to standard EN 60715 DIN rails using the snap-lock mechanism.

6.2 Wiring Diagram

Connect the timer according to the following diagram. Ensure all connections are secure and insulated. For a detailed wiring diagram, please refer to the User manual (PDF).

Load Two Types:

• a: 250Vac/10Amp Rating
• b: 250Vac/30Amp Rating (Note: The TM628SH model supports 10A/2000W, corresponding to type 'a'.)

Input:

• Terminals 1 (NEUT) and 2 (LINE) for 85-265Vac, 50/60Hz.

Output:

• Terminals 4 (NEUT LOAD) and 5 (OUTPUT) for 10Amp 250Vac, 50/60Hz or 10Amp 30Vdc.
• Terminal 3 is for SINGLE POLE, SINGLE THROW applications.

7. Operating Instructions

7.1 Initial Setup and Time Setting

1. Unlock Screen: Press the "PROG" button for 3 seconds to unlock the screen and enable operation buttons. The display will show "LOCK AUTO" or "ON AUTO".
2. Set Present Time: Press the "TIME" button. Use the "UP.ADJ" and "DOWN.ADJ" buttons to adjust the current minute, hour, and day (week). Press "TIME" again to confirm each setting.

7.2 Programming ON/OFF Times

The timer supports up to 16 ON/OFF actions per day and 15 program groups for flexible scheduling over a 7-day cycle.

1. Enter Programming Mode: Press the "PROG" button. The display will show "1 ON".
2. Set First ON Time: Use "UP.ADJ" and "DOWN.ADJ" to set the desired hour, minute, and second for the first ON event. Press "TIME" to cycle through hour/minute/second/day settings.
3. Set Days for ON Event: While setting the time, you can select specific days or combinations of days (e.g., Mo-Su, Mo-Fr, Sa-Su, etc. - 15 combinations available).
4. Set First OFF Time: Press "PROG" again. The display will show "1 OFF". Set the desired hour, minute, and second for the first OFF event using "UP.ADJ" and "DOWN.ADJ" and "TIME" button.
5. Repeat for Additional Programs: Repeat steps 2-4 for up to 16 ON/OFF programs. Press "PROG" to advance to the next program number (e.g., "2 ON", "2 OFF", etc.).
6. Exit Programming Mode: After setting all desired programs, press the "TIME" button to return to the current time display.

7.3 Changing Working Status (ON/ON AUTO/OFF/AUTO OFF)

The timer has four working statuses: ON, ON AUTO, OFF, and AUTO OFF. To change the status:

1. Ensure the screen is unlocked (press PROG for 3 seconds if locked).
2. In the clock status (current time displayed), press the "PROG" and "UP.ADJ" buttons simultaneously.
3. Each press will cycle through the working statuses: ON → ON AUTO → OFF → AUTO OFF.
4. The timer will only operate automatically when in "ON AUTO" or "AUTO OFF" status.

7.4 Shutting Off/Waking Up LCD

To conserve power or for specific applications, you can shut off the LCD display:

• Shut Off LCD: Press the "Rst" button for 3 seconds. The LCD will turn off.
• Wake Up LCD: Press the "Rst" button again for 3 seconds. The LCD will turn back on.

8. Maintenance

8.1 Battery Replacement

The TM628SH uses a CR2032 lithium battery to maintain programmed settings during power outages. If the display becomes dim or programs are lost frequently, the battery may need replacement.

1. Disconnect Power: Ensure the timer is disconnected from the main power supply.
2. Locate Battery Compartment: The battery compartment is located on the back of the unit (refer to Figure 2).
3. Replace Battery: Carefully slide out the battery tray, remove the old CR2032 battery, and insert a new one with the correct polarity.
4. Reassemble: Slide the battery tray back into place.
5. Reset Time: After battery replacement, you may need to reset the current time as described in Section 7.1.

9. Troubleshooting

10. User Tips

• For optimal performance and longevity, ensure the timer is installed in a well-ventilated area, away from direct heat or moisture.
• When setting complex schedules, it's helpful to write down your desired ON/OFF times and days before programming the device.
• Regularly check the backup battery (CR2032) to ensure program retention during power interruptions.

11. Warranty and Support

For warranty information, technical support, or inquiries, please contact SINOTIMER Official Store directly.