Sinotimer Tm-630s Manual Better May 2026

Finding the exact manual for the Sinotimer TM-630S can be difficult because it is a generic Chinese-manufactured device often sold under various brand names. However, the TM-630S is a standard Time Switch (Programmable Timer) used to control electrical appliances (lights, water heaters, fans, etc.) based on a set schedule.

Below is a comprehensive operation guide based on the standard functionality of the TM-630S module.

6. Setting the Current Time

Before creating schedules, you must set the correct clock time. sinotimer tm-630s manual

  1. Press and hold the [MANUAL] button for 3-5 seconds until the time digits start flashing.
  2. Press [D+] to adjust the Day of the Week (Mon, Tue, Wed... or 1-7).
  3. Press [H+] to adjust the Hour.
  4. Press [M+] to adjust the Minute.
  5. Once the correct time is set, press the [P] (Program) button once or wait 10 seconds for the setting to save automatically.

Sinotimer TM-630S Manual — Quick Guide & User Manual

Part 1: First Look & Technical Specifications

Before programming, you must understand what the device can do. The Sinotimer TM-630S is a microcomputer-based time switch with a liquid crystal display (LCD).

List of Typical Modes (17 Functions)

The "mode" refers to how the timer applies the ON/OFF times. You select the mode by pressing PROG and holding the up/down arrows until you see a specific symbol. Finding the exact manual for the Sinotimer TM-630S

Here is the key interpretation:

| Mode | Display Symbol | Meaning | Typical Use | | :--- | :--- | :--- | :--- | | Mode 1 | Single block | Timer cycles once at set time | Delayed start | | Mode 2 | Recurring arrow | Continuous cycles (ON for X min, OFF for Y min) | Hydroponic pumps | | Mode 3 | 24H + cycle | 24-hour cycle with specific ON/OFF times | Street lights | | Mode 4-17 | Weekday sequences | Different programs for different days | Office lights (M-F, Sa-Su separate) | Press and hold the [MANUAL] button for 3-5

The most common mode for beginners is Mode 3 – Simple 24-hour repeating timer with one ON time and one OFF time.

Example: Turn a light ON at 6:00 PM and OFF at 6:00 AM daily.

  1. Set mode to "24H" (Mode 3).
  2. Program 1ON for 18:00.
  3. Program 1OFF for 06:00 (next day – the timer automatically handles crossover).
  4. Set days to "All" (Mo Tu We Th Fr Sa Su).
  5. Exit programming. Ensure unit is in AUTO.

Getting Familiar with the Hardware (Referencing the Manual)

To follow the programming instructions below, locate these physical parts on your unit:

  1. The Red LED Display: Shows time values, modes, and relay status.
  2. The “∨” (Down) Button: Decreases values.
  3. The “∧” (Up) Button: Increases values.
  4. The “SET” Button: Confirms settings and enters menus.
  5. The “RESET” Button: Restarts the program without changing settings.
  6. Terminal Block:
    • Input Side: Usually marked AC/DC (+/-) – Connect power here.
    • Output Side: Marked COM, NO, NC – Your load connects here (e.g., a pump).

Warning per the manual: Never apply power to the output terminals (COM/NO/NC). Those are dry relay contacts.