1. Introduction
Thank you for choosing the Haofy BHT 8000GB Smart Programmable Thermostat. This manual provides essential information for the safe installation, operation, and maintenance of your new thermostat. Please read this manual thoroughly before installation and use to ensure proper function and to prevent damage.
2. Safety Information
Important: Always turn off power at the circuit breaker before installing or servicing the thermostat. Improper installation can lead to electrical shock or damage to the device.
This device should be installed by a qualified electrician. Ensure all wiring complies with local electrical codes.
Do not expose the thermostat to water or excessive humidity.
Keep the device away from children. This product is not suitable for children.
3. Package Contents
Verify that all items are present in the package:
- 1 x Haofy BHT 8000GB Smart Thermostat
- 2 x Mounting Screws
- 1 x English Instruction Manual
- 1 x Sensing Line (External Sensor)
4. Product Overview
The Haofy BHT 8000GB is a smart programmable thermostat designed for indoor room temperature control. It features an LCD touch screen for easy operation and can be controlled via a mobile application. Key features include:
- Centralized Control: Group multiple thermostats for unified control and device sharing.
- Multiple Display Functions: Displays weather, index, and humidity.
- High Accuracy: Maintains temperature within ±1°C (or ±1°F) of the set point.
- Programmable: Supports 5+1+1 six-segment programming for comfort and energy efficiency.
- App Control: No limit to adding thermostats in the app, integrated with smart home platforms.
- Data Storage: Retains settings even after power loss.
Display and Button Functions:
- Heating on indicator
- Periods (programming segments)
- Monday to Sunday indicator
- External sensor indicator
- Down Button
- Up Button
- Clock icon
- Advanced options
- Mode selection
- Power button
- Time display
- Set temperature
- Menu button
- Room temperature
- Lock indicator
5. Specifications
| Feature | Specification |
|---|---|
| Model | BHT 8000GB |
| Material | PC, ABS |
| Voltage | AC 95-240V 50-60Hz |
| Current Load | 5A |
| Power Consumption | <1.5W |
| Sensor | NTC 10K |
| Accuracy | ±1°C or ±1°F |
| Setting Temperature Range | 5-35°C |
| Display Temperature Range | 5-99°C |
| Ambient Temperature | 0-45°C |
| Ambient Humidity | 5-95% (Non-Condensing) |
| Storage Temperature | -5-45°C |
| Timing Error | <1% |
| Terminal Block | Wire 2x1.5mm² or 1x 2.5mm² |
| Protection Class | IP20 |
| Dimensions (Thermostat) | Approx. 12.7cm x 8.8cm x 4.0cm (5in x 3.46in x 1.57in) |
| Weight | Approx. 397g / 14.0oz |
6. Installation and Setup
Warning: Disconnect power before installation. This device operates on AC 95-240V and requires professional installation.
6.1 Mounting the Thermostat
- Turn off the main power supply to your heating system at the circuit breaker.
- Separate the front display unit from the backplate.
- Mount the backplate to a standard wall switch box (suitable for 86mm standard patress box or European 60mm patress box). Ensure the pitch-row is between 58mm to 62mm or 78mm to 82mm.
- Secure the backplate using the provided screws.
6.2 Wiring
Connect the wires according to the wiring diagram provided. Ensure all connections are secure.
- L and N: Connect to AC 95-240V power supply.
- LOAD (1, 2): Connect to your heating device (e.g., boiler).
- NTC (5, 6): Connect the external sensing line (if used).
- MODBUS (A, B): Optional connections for Modbus communication.
6.3 Initial Power-On
After wiring and mounting, reattach the front display unit to the backplate. Restore power at the circuit breaker. The thermostat display should light up.
7. Operating Instructions
7.1 Basic Operation
- Power On/Off: Press the Power button (10) to turn the thermostat on or off.
- Temperature Adjustment: Use the Up (6) and Down (5) buttons to adjust the set temperature.
- Mode Selection: Press the Mode button (9) to switch between manual and programmable modes.
7.2 Programmable Mode (5+1+1 Schedule)
The thermostat supports a 5+1+1 programmable schedule, allowing you to set different temperatures for weekdays, Saturday, and Sunday, with six time segments per day. Refer to the advanced options (8) in the display overview for detailed programming instructions.
7.3 App Control
To use app control, download the compatible smart home application (e.g., for Google Home, for Tmall Genie). Follow the app's instructions to add your thermostat. This allows for remote control, scheduling, and monitoring.
8. Maintenance
The Haofy BHT 8000GB thermostat requires minimal maintenance.
- Cleaning: Gently wipe the screen and casing with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Inspection: Periodically check the wiring connections for any signs of wear or looseness.
9. Troubleshooting
- Thermostat not powering on: Check the circuit breaker and ensure all wiring connections are secure.
- Incorrect temperature reading: Verify the external sensor (if used) is properly connected and positioned away from direct heat sources or drafts.
- Heating system not responding: Check the thermostat's mode (manual/programmable) and set temperature. Ensure the heating system itself is operational.
- App connectivity issues: Ensure your Wi-Fi network is active and the thermostat is within range. Re-pair the device with the app if necessary.
If issues persist, consult a qualified technician.
10. Warranty and Support
For warranty information and technical support, please refer to the documentation provided at the time of purchase or visit the official Haofy store online.
Visit the Haofy Store for more products and support.