1. Introduction
This manual provides essential information for the installation and operation of the SUMNEW 279838 Dryer Heating Element Kit. This kit is designed as a replacement part for various dryer brands and models, addressing issues such as a dryer not heating or running cold. It includes a heating element and associated safety components to ensure proper dryer function and prevent overheating.
2. Package Contents
The SUMNEW 279838 Dryer Heating Element Kit includes the following components:
- 1 x 279838 Dryer Heating Element (5400W, 240V)
- 1 x WP3977767 Dryer Thermostat
- 1 x WP3387134 Cycle Thermostat
- 1 x 3977393 Thermal Cut-off Switch
- 1 x WP3392519 Thermal Fuse
Figure 1: All components included in the SUMNEW 279838 Dryer Heating Element Kit.
Figure 2: Detailed view of the WP3977767 dryer thermostat, WP3387134 cycle thermostat, WP3392519 thermal fuse, and 3977393 thermal cut-off switch.
3. Safety Information
WARNING: Before attempting any repair or installation, ensure the dryer is completely unplugged from its power source to prevent electrical shock. Failure to do so can result in serious injury or death.
- Always wear appropriate personal protective equipment, such as work gloves, to protect your hands during installation.
- It is recommended to take photographs of the existing wiring and component placement before removal to aid in correct reassembly.
- If you are unsure about any step of the installation process, consult a qualified appliance technician.
- This product is intended for replacement purposes only. Ensure compatibility with your specific dryer model before installation.
4. Compatibility
This heating element kit is compatible with a wide range of dryer brands and models. Please verify your dryer's model number and the part numbers of the components you are replacing against the lists below.
4.1 Compatible Brands
- Whirlpool
- Kenmore
- Maytag
- Roper
- Estate
- Inglis
- KitchenAid
- Crosley
- Amana
- Admiral
- Magic Chef
4.2 Replacement Part Numbers
This kit replaces the following part numbers:
- 279838 Heating Element: 279837, 279838, 279838A, 279838VP, 3398064, 3403585, 8565582, AP3094254, W10724237
- WP3387134 Cycle Thermostat: 2011, 2893, AP6008270, PS11741405, 306910, 3387134, 3387135, 3387139, ET187, WP3387134VP, EAP11741405
- 3977393 Thermal Cut-off Switch: 279816VP, 3399848, 2651, 279816, 3977393, AP3094244
- WP3977767 Dryer Thermostat: 3399693, 3977767, WP3977767VP, L250-80F, AP3131941, PS351925, 898078, EAP351925
- WP3392519 Thermal Fuse: 3388651, 3392519, 694511, 80005, WP3392519VP, G4AP0500, PS11741460, AP6008325, EAP11741460
Figure 3: Partial list of applicable brand models for the SUMNEW 279838 Dryer Heating Element Kit.
5. Setup and Installation
Replacing dryer components requires careful attention. The following steps provide general guidance. Always refer to your specific dryer's service manual for detailed instructions.
- Disconnect Power: Unplug the dryer from the electrical outlet. This is a critical safety step.
- Access Components: Depending on your dryer model, you may need to remove the back panel, front panel, or top panel to access the heating element assembly and associated thermostats/fuses.
- Document Connections: Before disconnecting any wires or removing parts, take clear photographs. This will help ensure correct reassembly.
- Remove Old Components: Carefully disconnect wires and unmount the old heating element, thermostats, and thermal fuses. Note their exact positions.
- Install New Components: Install the new SUMNEW 279838 heating element, WP3977767 dryer thermostat, WP3387134 cycle thermostat, 3977393 thermal cut-off switch, and WP3392519 thermal fuse in the same locations as the old parts. Ensure all connections are secure.
- Reassemble Dryer: Reattach any panels removed during the process.
- Test Functionality: Plug the dryer back into the electrical outlet and run a short cycle to verify proper heating and operation.
Video 1: A general guide demonstrating the replacement process for a 279838 dryer heating element and associated parts. This video is provided by SumnewTech (Seller).
6. Operating Principles of Components
Understanding the function of each component can assist in troubleshooting and maintenance.
- 279838 Dryer Heating Element: This component generates the heat required to dry clothes. It is rated at 5400 Watts and 240 Volts.
- WP3977767 Dryer Thermostat: Functions as a safety mechanism to prevent the dryer from overheating by monitoring temperature and interrupting the electrical load to the heater if it exceeds a safe limit.
- WP3387134 Cycle Thermostat: Maintains a consistent temperature during the drying cycle. If this component fails, the dryer may not heat correctly.
- 3977393 Thermal Cut-off Switch: A safety device designed to prevent overheating. If the dryer overheats, this switch will trip, cutting power to the heating element.
- WP3392519 Thermal Fuse: Another safety mechanism that blows if the dryer overheats, preventing further operation. If this fuse is blown, the dryer will not start or heat.
7. Maintenance
Regular maintenance of your dryer can extend the life of its components, including the heating element kit.
- Clean Lint Filter: Clean the lint filter before or after every load to ensure proper airflow and prevent overheating.
- Inspect Venting: Periodically check the dryer's exhaust vent for blockages. A clogged vent can cause the dryer to overheat and lead to premature failure of heating elements and thermal safety devices.
- Professional Inspection: Consider having your dryer professionally inspected every few years to identify potential issues before they lead to component failure.
8. Troubleshooting
If your dryer is experiencing issues after installing the kit, consider the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Dryer not heating | Faulty heating element, thermal fuse, or thermostat. Incorrect wiring. | Verify all connections are secure. Test continuity of heating element and safety devices. Ensure the correct voltage is supplied to the dryer. |
| Dryer runs but does not start | Blown thermal fuse (WP3392519). | Check the thermal fuse for continuity. If open, replace it and investigate the cause of overheating (e.g., clogged vent). |
| Dryer overheats | Faulty thermostat (WP3977767 or WP3387134) or thermal cut-off switch (3977393). Restricted airflow. | Inspect and clean the dryer vent system. Test thermostats and thermal cut-off switch for proper operation. Replace any faulty components. |
| Clothes not drying completely | Insufficient heat from heating element. Restricted airflow. | Ensure the heating element is functioning correctly. Clean lint filter and check dryer vent for obstructions. |
For further assistance, refer to your dryer's specific service manual or contact a qualified technician.
9. Specifications
- Brand: SUMNEW
- Model Name: heating01
- Heating Element Wattage: 5400 Watts
- Voltage: 240 Volts
- Outer Material: Stainless Steel
- Item Weight: 0.87 Kilograms (1.92 pounds)
- Special Feature: Temperature Control (via included thermostats and fuses)
- Raw Material (Heating Element): Cr20Ni80 (Nickel-Chromium alloy)
Figure 4: Detail of the heating element's upgraded Cr20Ni80 material composition, indicating high nickel content for stable and durable performance.
10. Warranty and Support
SUMNEW provides a 12-month worry-free warranty for this dryer heating element kit. For any questions regarding compatibility, installation, or product performance, please contact SUMNEW customer support. Disassembling your machine and checking the model before purchasing accessories is recommended to ensure compatibility.
For customer inquiries, please refer to the contact information provided with your purchase or visit the official SUMNEW website.