SINOTIMER TM928 Series HD LCD Digital Timer Switch
Patent No.: 2020 10 928
Product Overview
The SINOTIMER TM928 series offers HD LCD display digital timer switches designed for household and industrial use, featuring 7-day programming capabilities.
Load Types
- a: 250Vac/16Amp Rating
- b: 250Vac/30Amp Rating
Model Types and Power Supply Options
TM-928s --1~4 Series:
- 1: 120V AC main supply
- 2: 240V AC main supply
- 3: 24V AC/DC
- 4: 12V AC/DC
- K: 85~265VAC
Timer's Model Number:
- 928: Minute Type
- 928S: Second Type
- 928R: Bell Timer Type
Specifications
| Specification | Details |
|---|---|
| Power Supply | 200~250Vac, 50/60Hz (Customizable Voltage: 5VDC, 12VDC, 24VDC, 110VAC) |
| Capacity | Resistive 16/30AMP, Inductive 8/20AMP |
| Power Consumption | <5VA |
| Timing Range | 1min~168hrs |
| Black-out Memory | 90 days |
| Programs | 16 ON/OFF per day |
| Average Error | <±2 sec/day |
| Temperature Range | -10~50°C |
| Humidity | <95% |
| Installation | DIN RAIL |
| Dimensions | 86.5×36×68.5mm |
| Net Weight | 0.17/0.22kg |
Model Comparison
| Series | Selling Point | Rated Ampere | Image Description | Features |
|---|---|---|---|---|
| TM919 | Economical Type | 16A/30A | A digital timer switch with an LCD screen showing time and days. Buttons labeled MENU, OK, ▲, ▼, RESET are visible, along with indicator lights. | [HD Display], [Removable Battery], [AM/PM Shift], [7 Days Programmable], [15 Kinds Combinations], [Single Countdown], [Pulse Function], [Holidays Timer Setting], [Switch ON/OFF Times], [Min Interval], [Backlights] |
| TM920 | 3 Functions in 1 Body | 16A/30A | Similar to TM919, showing a digital timer switch with an LCD screen, operational buttons, and indicator lights. | [HD Display], [Removable Battery], [AM/PM Shift], [7 Days Programmable], [15 Kinds Combinations], [Single Countdown], [Pulse Function], [Holidays Timer Setting], [Switch ON/OFF Times], [Min Interval], [Backlights] |
| TM928 | Super HD LCD | 16A/30A | A digital timer switch featuring a Super HD LCD displaying time, day, and status. It has clearly labeled buttons and indicator lights. | [HD Display], [Removable Battery], [AM/PM Shift], [7 Days Programmable], [15 Kinds Combinations], [Single Countdown], [Pulse Function], [Holidays Timer Setting], [Switch ON/OFF Times], [Min Interval], [Backlights] |
| TM928R | Bell Timer | 16A/30A | A digital timer switch, visually similar to the TM928, with an HD LCD and operational buttons. Designated as a Bell Timer. | [HD Display], [Removable Battery], [AM/PM Shift], [7 Days Programmable], [15 Kinds Combinations], [Single Countdown], [Pulse Function], [Holidays Timer Setting], [Switch ON/OFF Times], [Min Interval], [Backlights] |
| TM929 | 24HRS Analog | 16A/30A | An analog-style timer with a digital display, indicating 24-hour operation. Includes operational buttons and indicators. | [HD Display], [Removable Battery], [AM/PM Shift], [7 Days Programmable], [15 Kinds Combinations], [Single Countdown], [Pulse Function], [Holidays Timer Setting], [Switch ON/OFF Times], [Min Interval], [Backlights] |
Operation Instructions
Time Setting (For TM928, TM928s, TM928r)
Press the MANU button for 3 seconds to unlock the screen and operation buttons. Press OK to adjust the present time. Use the ▲ and ▼ buttons to adjust the setting number as needed.
TM928 and 928s Timer Setting
| Steps | Operations | Status |
|---|---|---|
| 1 | Press MANU | Enter the first ON program |
| 2 | Press OK | Set 1st ON TIME |
| 3 | Press ▲ and ▼ to adjust the setting number, and press OK to shift the setting of MIN, HOUR, SEC, and DAY (WEEK). | Set 1st ON TIME (MIN, HOUR, SEC) and different days. Combinations include same setting every day, or specific days like Th Fr Sa, Mo Tu We, Tu Th Sa, Mo We Fr, Sa Su, or each day. Up to 15 kinds of combinations are available. |
| 4 | Press MANU again (or ▲ and ▼) | Enter the first OFF program |
| 5 | Repeat step 3 | LCD shows "1 OFF", set the first OFF time. |
| 6 | Repeat steps 1-5 | If necessary, up to 16 ON/OFF programs can be set per day. |
TM928R Bell Timer Setting
| Steps | Operations | Status |
|---|---|---|
| 1 | Press MANU | Enter the first ring ON program |
| 2 | Press OK | Set the first ring ON TIME |
| 3 | Press ▲ and ▼ to adjust the setting number, and press OK to shift the setting of MIN, HOUR, SEC, and DAY (WEEK). | Set the first ON TIME (MIN, HOUR, SEC) and different days. Combinations include same setting every day, or specific days like Th Fr Sa, Mo Tu We, Tu Th Sa, Mo We Fr, Sa Su, or each day. Up to 15 kinds of combinations are available. |
| 4 | Press MANU again (or ▲ and ▼) | Enter the second ON program |
| 5 | Repeat step 3 | LCD shows "2 ON", set the second ring ON time. |
| 6 | Repeat steps 1-5 | If necessary, up to 40 ring times can be set. |
Additional Notes:
- TM928s models can be set with second intervals.
- Press and hold the Res button for 3 seconds to turn off the LCD. Press again for 3 seconds to wake it up.
- The timer has 4 working statuses: ON, ON AUTO, OFF, AUTO OFF. Automatic operation occurs when the timer is in AUTO status.
- For TM928R models, pressing MANU and Res simultaneously allows setting the ring duration from 1 to 99 seconds (default is 15 seconds).
Wiring Diagrams
Note: THE TIMER SWITCH WILL BE AUTO ON/OFF WHEN IT'S IN AUTO STATES.
Wiring Diagram for TM-928(5P)16A
The diagram shows connections for a Main Circuit Breaker (MCB) to Line (L) and Neutral (N). The MCB's Line is connected to the timer's L terminal, and Neutral to the timer's N terminal. The timer's output terminals (LOAD L and LOAD N) connect to the load. The timer display shows: Mo Tu We Th Fr Sa Su, 9:28 59, OFF LOCK ON AUTO OFF, MENU - ▼ OK.
Wiring Diagram for TM-928(5P)30A
This diagram illustrates a similar wiring configuration to the TM-928(5P)16A, involving MCB, L, and N connections to the timer and load. The timer display shows: Mo Tu We Th Fr Sa Su, 9:28 59, OFF LOCK AUTO OFF, MENU - ▼ OK.
