1. Product Overview
The SINOTIMER TM622-2 is a 2-channel programmable digital timer switch designed for precise control of electrical appliances. It features an LCD display, DIN rail mounting, and supports individual control time switches for various applications.
Key Features:
- Digital time switch with daily and weekly programs.
- LCD display for clear time and program status.
- DIN rail installation for easy integration into electrical panels.
- Two independent control channels (F1 and F2).
- Up to 16 ON/OFF settings per day.
- Minimum interval of 1 second.
- Built-in rechargeable battery for program memory backup.
Figure 1: Front view of the SINOTIMER TM622-2 Digital Timer Switch
2. Installation and Wiring
Installation:
The TM622-2 timer switch is designed for device installation on a 35mm DIN rail.
Figure 2: Side view of the TM622-2 Timer Switch showing DIN rail mounting
Wiring Diagrams:
Ensure all wiring is performed by a qualified electrician and adheres to local electrical codes. Disconnect power before installation.
Figure 3: Single-phase wiring diagram. For controlled appliances with single-phase power where the working current exceeds the switch's rated value, an AC contactor expansion control method should be used.
Figure 4: Three-phase wiring diagram. For controlled appliances with three-phase power, an external AC contactor is required.
3. Operating Instructions
Video Tutorial:
Video 1: Demonstration of setting current time and ON/OFF programs on the TM622-2 Timer Switch.
Current Time Adjustment:
- Press and hold the PROG button for 3 seconds to unlock the timer. The 'LOCK' text symbol on the screen will disappear.
- Press the TIME button to select the minute, hour, second, or day of the week to be adjusted.
- Use the ▲ and ▼ buttons to adjust the desired value.
Timer Setting (ON/OFF Programs):
The TM622-2 supports up to 16 ON/OFF programs per day for each of its two independent channels (F1 and F2).
- Press PROG to enter the first ON program setting.
- The display will show '1 ON'. Use ▲ and ▼ to set the desired ON time (minute, hour, second).
- Press TIME to select the days of the week for this program. You can choose specific days, weekdays, weekends, or all days.
- Press PROG again to enter the first OFF program setting.
- The display will show '1 OFF'. Use ▲ and ▼ to set the desired OFF time.
- Repeat steps 1-5 for additional ON/OFF programs (up to 16).
- To set programs for the second channel, continue programming until the setting number displays 'F21 ON'.
Working Status:
The timer has 4 working statuses: ON, ON AUTO, OFF, and AUTO OFF.
- To change the working status, press PROG and ▲ simultaneously.
- The timer operates automatically only when in ON AUTO or AUTO OFF status.
- To select between F1 or F2 channel status, press Rst on the clock status.
Lock Function:
To prevent unauthorized operation, press and hold the PROG button for 3 seconds. The 'LOCK' text symbol will appear on the LCD, indicating the buttons are locked. Repeat the action to unlock.
Other Functions:
- Channel Selection: Press Rst on the clock status to select F1 or F2 channel.
- Cancel Programs: In the timer setting status, press Rst to cancel existing programs.
- Sleep Mode: Press Rst for 3 seconds to shut off the LCD. Press it again for 3 seconds to wake up.
4. Maintenance
The SINOTIMER TM622-2 is designed for long-term, reliable operation with minimal maintenance.
- Cleaning: Use a soft, dry cloth to clean the exterior of the device. Do not use abrasive cleaners or solvents.
- Storage: Store the device in a cool, dry place away from direct sunlight and extreme temperatures when not in use.
- Battery: The internal rechargeable battery maintains program settings during power outages. No user maintenance is required for the battery.
5. Troubleshooting
If you encounter issues with your TM622-2 timer switch, please refer to the following common troubleshooting steps:
- Device not powering on: Check the power supply connections (A1, A2, 3, 4 terminals) to ensure they are secure and receiving the correct voltage (220V AC).
- Programs not executing: Verify that the timer is in either ON AUTO or AUTO OFF mode. Check that the current time is set correctly and that the ON/OFF programs are properly configured for the desired days and times.
- Display is blank or unresponsive: Try pressing the Rst button for 3 seconds to exit sleep mode. If the issue persists, ensure the device is receiving power.
- Incorrect time displayed: Adjust the current time as described in the