1. Introduction
Thank you for choosing the Klima Smart Thermostat KL6100B. This device is designed to provide intelligent temperature control for your home, offering convenience through its touch screen interface, Wi-Fi connectivity, and compatibility with smart home assistants like Amazon Alexa and Google Assistant. This manual provides essential information for installation, operation, and maintenance to ensure optimal performance and longevity of your thermostat.
2. Safety Information
- Electrical Hazard: Installation must be performed by a qualified electrician or trained service personnel. Disconnect power at the circuit breaker before installation or servicing.
- Voltage: This thermostat operates on a 24 Volt system. Ensure your HVAC system is compatible with this voltage.
- Placement: Install the thermostat away from direct sunlight, drafts, and heat sources to ensure accurate temperature readings.
- Cleaning: Use a soft, dry cloth for cleaning. Do not use abrasive cleaners or solvents.
3. Package Contents
Please check the package for the following items:
- Klima Smart Thermostat KL6100B Unit
- Mounting Screws and Wall Anchors
- User Manual (this document)
4. Product Overview
The Klima Smart Thermostat KL6100B features a sleek design with rounded corners and a responsive touch screen for intuitive control. Its compact form factor integrates seamlessly into modern home aesthetics.

Figure 4.1: Side view of the Klima Smart Thermostat KL6100B, highlighting its slim design.
5. Setup
5.1. Installation and Wiring
Important: Disconnect power to your HVAC system at the circuit breaker before beginning installation. Failure to do so may result in electrical shock or damage to the thermostat and HVAC system.
- Remove Old Thermostat: Carefully remove your existing thermostat from the wall. Take a picture of the wiring connections for reference.
- Mounting: Use the provided screws and wall anchors to securely mount the backplate of the Klima KL6100B thermostat to the wall.
- Wiring: Connect the wires from your HVAC system to the corresponding terminals on the Klima KL6100B backplate. Refer to the wiring diagram below for correct connections. This thermostat is designed for 24V systems.

Figure 5.1: Back view of the Klima Smart Thermostat KL6100B with wiring terminals. Ensure correct 24V connections for Valve, Fan (Low, Med, High), AC220V-N, and AC220V-L. MODBUS connections (White, Red) are also visible.
- Attach Thermostat: Once wiring is complete, carefully attach the thermostat front panel to the mounted backplate.
- Restore Power: Turn the power back on at the circuit breaker.
5.2. App Setup and Wi-Fi Connection
- Download App: Download the official Klima Smart Home app from the Google Play Store or Apple App Store.
- Create Account: Open the app and create a new user account or log in if you already have one.
- Add Device: Follow the in-app instructions to add your new Klima Smart Thermostat KL6100B. This typically involves putting the thermostat into pairing mode (refer to on-screen prompts on the thermostat) and connecting it to your home's 2.4GHz Wi-Fi network.
- Configuration: Once connected, you can configure settings such as location, time zone, and initial temperature preferences within the app.
6. Operating Instructions
6.1. Basic Operation (Touch Screen)
- Power On/Off: Tap the power icon on the touch screen to turn the thermostat on or off.
- Temperature Adjustment: Use the up/down arrows on the touch screen to set your desired temperature.
- Mode Selection: Tap the mode icon to cycle through available modes (e.g., Heat, Cool, Auto, Fan).
- Fan Speed: If applicable, tap the fan icon to adjust fan speed (Low, Medium, High, Auto).
6.2. Advanced Features (App Control)
The Klima Smart Home app provides comprehensive control and advanced features:
- Remote Control: Adjust temperature and settings from anywhere using your smartphone.
- Scheduling: Create custom heating and cooling schedules for different days and times to optimize energy usage.
- Geofencing: Set up location-based controls to automatically adjust temperature when you leave or arrive home.
- Energy Reports: Monitor your energy consumption and identify areas for savings.
6.3. Voice Control (Alexa & Google Assistant)
Once your Klima Smart Thermostat is connected to the app and integrated with Amazon Alexa or Google Assistant, you can use voice commands for hands-free control:
- Amazon Alexa: Enable the Klima Smart Home skill in the Alexa app. Then, you can say commands like:
- "Alexa, set the thermostat to 22 degrees."
- "Alexa, what is the temperature in the living room?"
- "Alexa, turn on the heat."
- Google Assistant: Link your Klima Smart Home account in the Google Home app. Then, you can say commands like:
- "Hey Google, change the thermostat to 23 degrees."
- "Hey Google, what's the temperature inside?"
- "Hey Google, set the mode to cool."
7. Maintenance
- Cleaning: Gently wipe the touch screen and exterior with a soft, dry, lint-free cloth. Do not use liquid cleaners or sprays directly on the thermostat.
- Software Updates: Ensure your Klima Smart Home app and thermostat firmware are up to date for the best performance and security. Updates are typically managed through the app.
8. Troubleshooting
If you encounter issues with your Klima Smart Thermostat KL6100B, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Thermostat has no power. | Circuit breaker tripped; incorrect wiring. | Check your circuit breaker. Verify wiring connections according to Section 5.1. |
| Cannot connect to Wi-Fi. | Incorrect Wi-Fi password; 5GHz network; weak signal. | Ensure correct password. Connect to a 2.4GHz network. Move router closer or use a Wi-Fi extender. |
| Temperature reading seems inaccurate. | Thermostat placed near heat source/draft; sensor obstruction. | Relocate thermostat if possible. Ensure no objects block the sensor vents. |
| Voice control not working. | Not linked to Alexa/Google Assistant; incorrect commands. | Verify linking in Alexa/Google Home app. Use precise commands as listed in Section 6.3. |
If the problem persists, please contact Klima customer support for further assistance.
9. Specifications
| Feature | Specification |
|---|---|
| Model Number | KL6100B |
| Voltage | 24 Volts |
| Material | Plastic |
| Connectivity | Wi-Fi |
| Control Type | Digital, Touch Screen, App Control, Voice Control |
| Special Features | Smart Home Integration (Alexa, Google Assistant) |
| Dimensions (L x W x H) | 16.6 x 13 x 6.2 cm (approx.) |
| Weight | 280 grams (approx.) |
10. Warranty and Support
The Klima Smart Thermostat KL6100B comes with a standard manufacturer's warranty. For detailed warranty information, product support, or technical assistance, please refer to the warranty card included with your product or visit the official Klima website. You may also contact customer service through the Klima Smart Home app.





