Sinotimer Tm-630s: Manual

Do not confuse the R (full reset) with the RST button.

Use case: If you have a pump set to run for 1 hour then off for 1 hour, pressing RST will immediately start the 1-hour ON cycle over again.

Press +1H when in AUTO mode → the load turns OFF for exactly 1 hour (or ON? check your unit).
Common use: Temporary holiday override. Press again to cancel early.
Some models reverse the behavior; test with a lamp. sinotimer tm-630s manual

You can set up to 16 different On/Off pairs.

Set the Hour/Minute: Use [H+] and [M+] to set the time you want the device to turn ON.

Save and Move to OFF: Press [P] again. The display will change to 1 OFF (First switch-off time).

Set OFF Time: Repeat steps 2 and 3 to set the day and time you want the device to turn OFF.

Continue Programming: Press [P] again to advance to 2 ON and repeat the process for additional schedules.

Exit: When finished, press the [MANUAL] button or wait 10 seconds to return to the main clock display.

To Cancel a Program:

Before creating schedules, you must set the correct clock time.

The Sinotimer TM-630S is a microcomputer-based digital time switch designed for automatic ON/OFF control of electrical appliances (lighting, water heaters, signs, fans, irrigation pumps, etc.). It supports up to 16 ON/OFF programs per day, with a weekly (7-day) or daily schedule option. Do not confuse the R (full reset) with the RST button

Press and hold the SET button for 3 seconds. The screen will flash F-1 (or similar). Use the ∧ or ∨ keys to scroll through the modes. Here is the manual’s mode chart translated:

For 90% of users, F-3 (cycling) or F-1 (simple delay) is the choice. Use case: If you have a pump set