1. Introduction
The GEYA GRT8-TS Bluetooth Time Control Relay is designed for precise timing control in various applications. It can be used for industrial equipment, lighting control, heating element control, motor and fan control, and to regularly turn loads on and off. This device offers convenient control via a mobile phone application using Bluetooth connectivity.
2. Setup Instructions
- **Enable Bluetooth**: Confirm that the Bluetooth switch of your mobile phone is turned on.
- **Download the APP**: Open your mobile browser (Android) to scan the QR code provided below or directly download the APP from the URL: http://47.111.97.64:8776/BTRen.apk.
- **Set the Timer**: Open the APP and set the timer according to the prompts.
- **Note 1**: For a detailed app operation manual, please contact the after-sales department.
- **Note 2**: When the timer needs to work in the automatic timing mode, please confirm that the relay working state displayed in the App is automatic.
- **Connecting Multiple Relays**: When multiple relays need to be set at the same time, multiple relays will be searched in the equipment list. At this time, press and hold the relay panel button for 3 seconds to search the equipment list again. After this, the word "wait setting" will be added after changing the equipment name of the relay. Click to enter the setting of the relay.
- **Restoring Factory Settings**: After 2 minutes, the equipment name will return to normal. If you need to restore the factory settings, such as forgetting the entry password, you can press and hold the button for 10 seconds.
- **Time Calibration**: When the red and green indicators flash at the same time, it indicates that the time needs to be calibrated. Connect the relay with the app again to automatically calibrate the time.
3. Operating Instructions
3.1. Indicator Lights
- **Green "Un" Indicator**: This LED indicates the power status of the relay. After the power is turned on, the green indicator is always on. When the panel key is pressed, the green indicator light will flash.
- **Red "R" Indicator**: This LED is used to indicate the relay output status, and the indication meaning is as follows:
Red LED R status Relay status (GRT8-TS1) Relay1 status (GRT8-TS2) Relay2 status (GRT8-TS2) Solid On Closed (15-18) Closed (15-18) Closed (25-28) Flashing (slow) Open (15-16) Open (15-16) Open (25-26) Flashing (fast) (Not applicable) (Not applicable) (Not applicable)
3.2. Wiring Diagram
Ensure correct wiring according to the diagrams below for safe and proper operation. The GRT8-TS1 model features 1 SPDT output, while the GRT8-TS2 model features 2 SPDT outputs.
- **GRT8-TS1 (1 SPDT Output)**: Connect the load to terminals 15, 16, and 18.
- **GRT8-TS2 (2 SPDT Outputs)**: Connect the first load to terminals 15, 16, and 18 (R1). Connect the second load to terminals 25, 26, and 28 (R2).
- **Power Supply**: Connect the AC/DC 24-240V power supply to terminals A1 and A2.
4. Maintenance
The GEYA GRT8-TS Bluetooth Timer Control Relay is designed for reliable operation with minimal maintenance. Keep the device clean and free from dust and moisture. Ensure all connections are secure. No user-serviceable parts inside. Refer to qualified personnel for any repairs.
5. Troubleshooting
- **Device not powering on**: Check the power supply connections to terminals A1 and A2. Ensure the voltage is within the specified range (AC/DC 24-240V). Verify the green "Un" indicator is lit.
- **Relay not switching**: Check the wiring to the load. Ensure the red "R" indicator reflects the desired output status. Verify the timer settings in the mobile app.
- **Bluetooth connection issues**: Ensure Bluetooth is enabled on your mobile device. Make sure the device is within range. Try restarting the app or the relay. If multiple relays are present, follow the "Connecting Multiple Relays" instructions in the Setup section.
- **Incorrect time**: If the red and green indicators flash simultaneously, the time needs calibration. Reconnect the relay with the app to automatically calibrate the time.
- **Forgotten password or factory reset**: Press and hold the panel button for 10 seconds to restore factory settings.
6. Specifications
| Parameter | GRT8-TS1 | GRT8-TS2 |
|---|---|---|
| Function | Bluetooth time control relay | |
| Supply terminals | A1-A2 | |
| Voltage range | AC/DC 24-240V 50Hz | |
| Burden | AC 0.09-3VA / DC 0.05-1.7W | |
| Supply voltage tolerance | -15% to +10% | |
| Supply indication | green LED | |
| Number of timers | 8-ON / 8-OFF | 2 x 8-ON / 2 x 8-OFF |
| Time setting | APP (Bluetooth connectivity) | |
| Time deviation | ±2s/day | |
| Output | 1 × SPDT | 2 × SPDT |
| Rated Current | 16A | |
| Min. breaking capacity DC | 500mW | |
| Output indication | red LED | |
| Mechanical life | 1 × 107 | |
| Electrical life (AC1) | 1 × 105 | |
| Operating temperature | -20°C to +55°C | |
| Storage temperature | -35°C to +75°C | |
| Mounting / DIN rail | DIN rail EN/IEC 60715 | |
| Protection degree | IP20 | |
| Operating position | any | |
| Overvoltage category | III | |
| Pollution degree | 2 | |
| Max. cable size (mm²) | 1x2.5mm² or 2x1.5mm² 0.4Nm | |
| Dimensions | 90mm × 18mm × 64mm | |
7. User Tips
- **Power Interruption**: The device does not have an internal battery for retaining settings during a power cut. If a power cut occurs, the device may need to be re-setup or re-calibrated once power is restored.
- **App Compatibility**: The mobile application is currently available for Android systems. iOS compatibility is under development.
- **Detailed App Manual**: For comprehensive guidance on using the mobile application, contact GEYA's after-sales support.
8. Warranty and Support
GEYA products are certified to required industry standards, including CE and RoHS, ensuring quality and compliance. For any technical assistance, detailed app manuals, or support, please contact GEYA's after-sales department. You can find contact information on the GEYA website or through the provided business card image.
GEYA Electric is committed to providing top-quality products and service. The company was established in 2007 and focuses on research, development, and production of low voltage electrical and industrial automation control products.
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