1. Introduction
The Wengart WG201 Room Thermostat is designed to provide precise temperature control for water heating systems, including underfloor heating and boiler systems. It enhances indoor comfort by maintaining a desired temperature and offers programmable modes for energy efficiency. This manual provides comprehensive instructions for the installation, operation, and maintenance of your WG201 thermostat.
Figure 1.1: Front view of the Wengart WG201 Programmable Room Thermostat, displaying its LCD screen and touch buttons.
2. Product Features
- Precise Temperature Control: Maintains desired indoor temperature for optimal comfort.
- Programmable Modes: Features 5+1+1 programmable cycles, allowing customized heating schedules to align with your lifestyle and save energy.
- Touch Keys and LCD Display: Intuitive touch buttons with backlight for easy operation and clear temperature readings, even in low light.
- Child Lock Function: Prevents unintended adjustments, ensuring settings remain secure.
- Antifreeze Protection: Safeguards your heating system from freezing temperatures.
- Power-Off Memory: Retains all settings in case of a power interruption.
- Temperature Compensation: Allows for fine-tuning of temperature readings.
- Wide Compatibility: Suitable for underfloor heating water and hot water systems.
Figure 2.1: Visual representation of the Wengart WG201 thermostat's main functions, including double temperature display, touch buttons, weekly programming, child lock, and LCD display.
3. Package Contents
Upon opening the package, please verify that all items are present and undamaged:
- 1 x Wengart WG201 Thermostat
- 2 x Mounting Screws
- 1 x User Manual (this document)
4. Specifications
| Specification | Value |
|---|---|
| Power Supply Voltage | AC95~240V 50/60Hz |
| Power Consumption | 1.5W |
| Setting Range | 5~70℃ (adjustable to 20-70℃) |
| Switch Differential | 0.5~5℃ adjustable (factory setting ±1℃) |
| Ambient Temperature | -5~50℃ |
| Ambient Temperature Display Accuracy | ±0.5℃ |
| Temperature Control Accuracy | ±0.5℃ |
| Measured Range | 1~70℃ |
| Inside Sensor | NTC 10k @25℃ |
| Maximum Resistive Load | 3A |
| Protective Housing | IP20 |
| Housing Material | Anti-flammable PC |
| Wiring Terminal | Connects to 2*1.5mm² or 1*2.5mm² wire at most |
| Dimensions | 86mm × 86mm × 13.7mm |
| Installation Hole Distance | 60mm |
| Weight | 234g (product), 260g (item) |
| Color | White |
Figure 4.1: Detailed dimensions of the Wengart WG201 thermostat, including front panel, rear housing, and side profile measurements.
5. Installation
5.1 Safety Precautions
- Always disconnect power at the main circuit breaker before installing or servicing the thermostat.
- Installation should be performed by a qualified electrician in accordance with local electrical codes.
- Ensure all wiring connections are secure to prevent electrical hazards.
5.2 Wiring Diagram
Refer to the following diagram for correct wiring connections. The thermostat is designed for water heating systems and requires connection to an external sensor and actuators (NO/NC).
Figure 5.1: Wiring diagram for the Wengart WG201 thermostat, showing connections for AC230V power (L, N), external sensor, and both Normally Open (NO) and Normally Closed (NC) actuators for water heating systems.
- Connect the Live (L) and Neutral (N) wires from your AC230V power supply to the corresponding terminals on the thermostat.
- Connect the external sensor wires to the designated sensor terminals.
- Connect the actuators (e.g., for underfloor heating valves) to the appropriate NO (Normally Open) or NC (Normally Closed) terminals as required by your heating system.
5.3 Physical Installation
- Choose a suitable location on an interior wall, away from direct sunlight, drafts, or heat sources, at approximately 1.5 meters (5 feet) above the floor.
- Mount the backplate of the thermostat to the wall using the provided screws, ensuring it is level. The installation hole distance is 60mm.
- Complete the wiring as per the diagram in Section 5.2.
- Carefully attach the front panel of the thermostat to the mounted backplate, ensuring it clicks securely into place.
- Restore power to the thermostat at the main circuit breaker.
6. Operation
6.1 Display Overview
The LCD screen provides various information and indicators. Refer to the diagram below for a detailed breakdown of the display elements and buttons.
Figure 6.1: Detailed analysis of the Wengart WG201 thermostat's LCD display and control buttons, indicating various icons and their functions such as current time, room temperature, set temperature, and operational modes.
- Week Indicator: Displays the current day of the week.
- Lock Indicator: Shows when the child lock function is active.
- Floor Temp: Indicates the floor temperature (if external sensor is used for floor heating).
- Room Temp: Displays the current ambient room temperature.
- Manual Mode: Icon indicating manual operation mode.
- Program Mode: Icon indicating programmable mode.
- ECO Mode: Icon for energy-saving mode.
- Heat On: Indicates when the heating system is active.
- Power Button: Turns the thermostat ON/OFF.
- Time (AM/PM): Displays the current time.
- Time Button: Used for setting time and accessing programming.
- Menu Button: Accesses advanced settings.
- Time Period Indicator: Shows the active time period in programmable mode.
- Up Button (+): Increases temperature or adjusts settings.
- Down Button (-): Decreases temperature or adjusts settings.
- Set Button: Confirms selections or enters setting modes.
6.2 Basic Operation
- Power ON/OFF: Press the Power button (9) to turn the thermostat on or off.
- Adjusting Temperature: In manual mode, press the Up (+) (14) or Down (-) (15) buttons to adjust the desired set temperature. The new setting will be saved automatically.
- Setting Time and Day:
- Press and hold the Time button (11) for 3 seconds. The hour display will flash.
- Use the Up (+) or Down (-) buttons to adjust the hour.
- Press the Time button again to move to minute adjustment, then day adjustment.
- Press the Power button (9) or wait a few seconds to exit and save.
6.3 Programming Mode (5+1+1 Schedule)
The thermostat allows for 7-day programmable scheduling with 6 time periods per day (5 weekdays, 1 Saturday, 1 Sunday). This enables you to set different temperatures for specific times to optimize comfort and energy savings.
Figure 6.2: Example of a custom programming schedule for the Wengart WG201 thermostat, showing different start times and default temperatures for various periods during working days and weekends.
- Press the Time button (11) to enter programming mode. The "Program" icon (6) will appear.
- The first time period (e.g., "1" for Monday-Friday, 06:00) will flash. Use Up (+) or Down (-) to adjust the start time for this period.
- Press the Time button again to adjust the temperature for this period.
- Repeat this process for all 6 time periods for weekdays (5+1+1).
- After setting all weekday periods, the thermostat will move to Saturday's schedule, then Sunday's.
- Press the Power button (9) or wait a few seconds to exit and save the programming.
6.4 Child Lock Function
To prevent accidental changes to settings, the thermostat features a child lock function.
Figure 6.3: Illustration of the child lock feature on the Wengart WG201 thermostat, showing the lock icon on the display and its purpose to prevent misoperation.
- Activate Child Lock: Press and hold the Up (+) (14) and Down (-) (15) buttons simultaneously for 3 seconds. The lock icon (2) will appear on the display.
- Deactivate Child Lock: Press and hold the Up (+) (14) and Down (-) (15) buttons simultaneously for 3 seconds again. The lock icon will disappear.
7. Maintenance
- Cleaning: Wipe the thermostat's surface 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.
- Avoid Obstructions: Ensure the thermostat is not obstructed by furniture, curtains, or other objects that could affect its temperature sensing accuracy.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Thermostat not powering on | No power supply; incorrect wiring. | Check circuit breaker. Verify wiring connections as per Section 5.2. |
| Heating system not responding | Incorrect wiring to actuators; thermostat in OFF mode; set temperature too low. | Ensure thermostat is ON. Check actuator wiring. Increase set temperature above room temperature. |
| Inaccurate temperature reading | Thermostat location affected by drafts/heat sources; sensor issue. | Relocate thermostat if possible. Use temperature compensation feature (refer to advanced settings in full manual). |
| Settings not saving | Not exiting setting mode correctly. | Ensure you press the Power button or wait for auto-save after making changes. |
| Child lock active, cannot change settings | Child lock is enabled. | Deactivate child lock by pressing and holding Up (+) and Down (-) buttons simultaneously for 3 seconds. |
9. Warranty and Support
WENGART products are manufactured to high-quality standards. For warranty information, please refer to the documentation provided with your purchase or contact your retailer. For technical support or further inquiries, please contact WENGART customer service.
Manufacturer: WENGART ELECTRIC CO.,LTD
Contact Information: info@wengart.com, +86 18757074231
Place of Business: WENGART ELECTRIC CO.,LTD wen zhou shi wen jia dian qi you xian go qian shan cun, cheng nan jie dao, yue qing shi