1. Introduction
This manual provides essential information for the safe and efficient operation, installation, and maintenance of your Karinear 110V Electric Cooktop with 2 burners, Model KNC-D21834-UL-G. Please read these instructions thoroughly before using the appliance and retain them for future reference.
Important Safety Information
- Ensure the cooktop is installed by a qualified technician in accordance with local electrical codes.
- Do not touch hot surfaces. Use handles or knobs.
- Never leave the cooktop unattended during operation.
- Keep flammable materials away from the cooktop.
- Use only dry potholders. Moist or damp potholders on hot surfaces may result in burns from steam.
- Do not use water on grease fires. Smother fire or flame or use dry chemical or foam-type extinguisher.
- Children should not be left alone or unattended in an area where an appliance is in use.
2. Product Overview
The Karinear 110V Electric Cooktop is a ceramic glass surface appliance designed for versatile cooking. It features two radiant heating elements and intuitive knob controls.

Figure 2.1: Karinear 110V Electric Cooktop (Model KNC-D21834-UL-G)
Key Features:
- 110V Plug-and-Play Design: Operates on a standard 110V outlet.
- Dual Burners: One 1400W burner and one 600W burner for varied cooking needs.
- 9 Heating Levels: Independently controlled by dedicated knobs for precise temperature adjustment.
- Residual Heat Indicator: "H" flashes when the glass surface is hot after use, enhancing safety.
- Over-Temperature Protection: Automatic shutdown in case of excessive heat.
- Flexible Installation: Suitable for both countertop use and built-in integration.
- Compatible Cookware: Works with glass, ceramic, iron, and stainless steel cookware.

Figure 2.2: Multi-Safety Protection and Features
3. Setup and Installation
The cooktop can be used as a freestanding countertop appliance or integrated into your kitchen counter. Ensure proper ventilation and electrical connections are made by a qualified professional.
3.1 Electrical Connection
This cooktop is designed for a 110V electrical supply. It features a standard plug for direct connection to a compatible outlet. For built-in installations, ensure the wiring is properly routed and secured.
3.2 Countertop Use
For countertop use, attach the provided rubber feet to the bottom of the cooktop. Place the appliance on a stable, heat-resistant, and level surface, ensuring adequate clearance from walls and other appliances for ventilation.
3.3 Built-in Installation
To integrate the cooktop into your kitchen counter, a cutout of approximately 19.7 x 11 inches (500mm x 280mm) is required. Ensure the cutout dimensions match the cooktop's specifications for a secure fit. Apply the provided sealing tape around the edges of the cooktop before placing it into the cutout to prevent liquid ingress.

Figure 3.1: Drop-in Install or Countertop Use

Figure 3.2: Built-in Size Dimensions
Note: The cooktop is hardwired internally for the heating elements. The 110V plug is for the overall power supply. If replacing an existing cooktop, ensure the cutout dimensions are compatible or adjusted as necessary.
4. Operating Instructions
Your Karinear electric cooktop is designed for ease of use with intuitive knob controls for each burner.
4.1 Powering On/Off and Heat Adjustment
- Ensure the cooktop is properly connected to a 110V power source.
- Place appropriate cookware on the desired burner.
- Rotate the corresponding control knob clockwise to select a heat level from 1 (low) to 9 (high). The indicator light will illuminate next to the knob.
- To turn off a burner, rotate the knob counter-clockwise to the '0' position.

Figure 4.1: Knob Control with 9 Power Levels
4.2 Residual Heat Indicator
After a burner is turned off, an "H" will flash on the display next to the corresponding knob if the glass surface is still hot. This indicator will remain active until the temperature drops to a safe level, preventing accidental burns.

Figure 4.2: Hot Warning Indicator
4.3 Over-Temperature Protection
The cooktop is equipped with an over-temperature protection system that automatically shuts down the burner if it detects excessive heat, safeguarding the appliance and preventing damage.
4.4 Cookware Compatibility
This electric cooktop is compatible with a wide range of cookware materials, including:
- Iron
- Stainless Steel
- Casserole dishes
- Aluminum
- Glass
- Copper
- Ceramics
- Barbecue grates

Figure 4.3: Compatible Cookware Types
5. Maintenance and Cleaning
Regular cleaning and maintenance will ensure the longevity and optimal performance of your cooktop.
5.1 Cleaning the Ceramic Glass Surface
- Always allow the cooktop to cool completely before cleaning. The "H" indicator must be off.
- For light soil, wipe with a damp cloth and mild dish soap.
- For stubborn stains or burnt-on food, use a ceramic cooktop cleaner and a non-abrasive pad or scraper specifically designed for glass cooktops.
- Avoid abrasive cleaners, scouring pads, or harsh chemicals, as these can scratch or damage the glass surface.
- Wipe dry with a clean cloth to prevent water spots.
5.2 Cleaning Control Knobs
The control knobs can be wiped clean with a damp cloth. Ensure no liquids seep into the control panel area.
6. Troubleshooting
If you encounter issues with your cooktop, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Cooktop does not turn on. | No power supply; circuit breaker tripped. | Check if the plug is securely inserted. Reset the circuit breaker if tripped. |
| Burner not heating. | Incorrect heat setting; cookware not suitable. | Ensure the knob is set to a heat level above '0'. Verify cookware compatibility. |
| "H" indicator remains on. | Residual heat present. | This is normal. Wait for the surface to cool down. |
| Cooktop shuts off unexpectedly. | Over-temperature protection activated. | Allow the cooktop to cool. Reduce heat setting if consistently occurring. |
If the problem persists after attempting these solutions, please contact Karinear customer support.
7. Specifications
| Feature | Detail |
|---|---|
| Brand | Karinear |
| Model Number | KNC-D21834-UL-G |
| Installation Type | Freestanding or Drop-in |
| Material | Glass |
| Heating Elements | 2 (Radiant) |
| Wattage | 2000 watts (Total) |
| Voltage | 110 Volts |
| Product Dimensions (D x W x H) | 19.7" x 11" x 2.1" (500mm x 280mm x 54mm) |
| Item Weight | 12.92 pounds |
| Special Feature | Cool Surface Indicator (Residual Heat Indicator) |
| Power Source | Corded Electric |
8. Warranty and Support
Karinear products are designed for reliability and performance. For warranty information, technical support, or service inquiries, please refer to the contact information provided with your purchase or visit the official Karinear website.
Please retain your proof of purchase for warranty claims.