1. Product Overview
The Goodman CHPTA4830C3 is a 3.5-4.0 TON horizontal evaporator coil designed for use in residential and light commercial HVAC systems. This unit is specifically engineered for compatibility with R-32 refrigerant only, offering enhanced efficiency. It features a durable all-aluminum coil and a rust-resistant thermoplastic drain pan. Proper installation and adherence to refrigerant guidelines are crucial for optimal performance and warranty validity.

Image 1.1: Goodman CHPTA4830C3 Horizontal Coil, showing the internal coil structure and connections.
2. Safety Information
WARNING: Installation, service, and repair of this equipment must be performed by a qualified, experienced HVAC technician. Improper installation or service can result in property damage, personal injury, or death.
- Always disconnect power to the indoor and outdoor units before performing any service or maintenance.
- This unit is designed for R-32 refrigerant ONLY. Using any other refrigerant will void the warranty and may cause system failure or safety hazards.
- R-32 refrigerant requires specific handling procedures and safety equipment. Ensure all personnel are properly trained and equipped.
- Wear appropriate personal protective equipment (PPE), including safety glasses and gloves, during installation and service.
- Ensure adequate ventilation when working with refrigerants.
- Refer to all local and national codes for proper installation and safety guidelines.
3. Product Features
- R-32 Refrigerant Compatibility: Designed exclusively for R-32, a pure refrigerant known for improved efficiency. Includes a factory-installed R-32 sensor. An additional R-32 safety kit may be required when used with non-A2L refrigerant furnaces.
- Flexible Installation: Engineered for horizontal left or horizontal right installations, providing versatility for various system configurations.
- Resilient Construction: Features a rust-resistant thermoplastic drain pan with a low water-retention design. The drain pan is DecaBDE-free and includes a secondary drain connection for added safety.
- Internal TXV: Equipped with an internal, factory-installed thermal expansion valve (TXV). This ensures maximum efficiency from the outdoor unit and is compatible with both cooling and heat pump applications, usable with any AHRI certified matched R-32 condenser or heat pump.
- All-Aluminum Evaporator Coil: The all-aluminum coil efficiently transfers heat and offers a cost-effective alternative to copper coils. Foil-faced insulation covers the internal casing to reduce cabinet condensation and minimize thermal loss.
4. Specifications

Image 4.1: Visual summary of Goodman CHPTA4830C3 key specifications.
| Specification | Detail |
|---|---|
| Brand | Goodman |
| Model Number | CHPTA4830C3 |
| Capacity | 3.5 - 4.0 Tons |
| Refrigerant Type | R-32 ONLY |
| Product Dimensions (L x W x H) | 32.5 x 26.5 x 23.5 inches |
| Item Weight | 76 pounds |
| Installation Type | Split System, Horizontal (Left or Right) |
| Form Factor | Mini-Split (referring to coil type, not system) |
| Special Features | Rust Resistant, Internal TXV, All-Aluminum Coil |
| Seasonal Energy Efficiency Ratio (SEER) | 16 (when matched with appropriate outdoor unit) |
5. Installation
Installation of the Goodman CHPTA4830C3 horizontal coil must be performed by a qualified HVAC professional. This section provides general guidance; refer to the complete installation manual provided with the unit for detailed instructions and diagrams.
5.1 Pre-Installation Checks
- Verify that the coil model matches the system requirements and is compatible with R-32 refrigerant.
- Inspect the unit for any shipping damage.
- Ensure the installation location provides adequate space for airflow, service access, and proper drainage.
- Confirm that the existing ductwork is appropriately sized and sealed.
5.2 Mounting and Positioning
- The coil can be installed in either a horizontal left or horizontal right configuration.
- Ensure the unit is level to facilitate proper condensate drainage.
- Securely mount the coil within the plenum or air handler cabinet according to manufacturer guidelines.
5.3 Refrigerant Line Connections
- Connect the liquid and suction lines to the coil's service valves.
- Use appropriate brazing techniques and nitrogen purge to prevent oxidation.
- Perform a thorough leak check after connections are made.
- Evacuate the system to a deep vacuum to remove non-condensables and moisture.
5.4 Condensate Drain Connection
- Connect the primary and secondary drain lines to the thermoplastic drain pan.
- Ensure proper slope for gravity drainage and install a condensate trap as required.
- Test the drain system for proper operation and absence of leaks.
Important: Always refer to the detailed wiring diagrams and installation instructions provided with the complete HVAC system for electrical connections and system startup procedures.
6. Operation
The Goodman CHPTA4830C3 horizontal coil operates as a critical component within a complete split-system HVAC unit. It functions by absorbing heat from the indoor air as refrigerant passes through its coils, facilitating the cooling or heating process (when paired with a heat pump outdoor unit).
- The coil's operation is controlled by the thermostat and the outdoor condensing unit or heat pump.
- Ensure the thermostat is set to the desired mode (Cool, Heat, Fan) and temperature.
- Proper airflow across the coil is essential for efficient operation. Ensure air filters are clean.
For detailed operational instructions, refer to the user manual for your complete HVAC system, including the thermostat and outdoor unit.
7. Maintenance
Regular maintenance is vital for the longevity and efficient operation of your Goodman horizontal coil. It is recommended that a qualified HVAC technician perform annual professional maintenance.
7.1 User Maintenance (Monthly/Quarterly)
- Air Filter Replacement: Regularly inspect and replace or clean the air filter(s) in your air handler or furnace. A dirty filter restricts airflow and reduces system efficiency.
- Condensate Drain Inspection: Periodically check the condensate drain pan and lines for blockages, standing water, or algae growth. Clear any obstructions to prevent water overflow.
7.2 Professional Maintenance (Annually)
- Coil Cleaning: A technician should inspect and clean the evaporator coil to remove dirt, dust, and debris that can accumulate and hinder heat transfer.
- Refrigerant Charge Check: Verify the R-32 refrigerant charge is correct. Incorrect charge can lead to reduced efficiency and potential system damage.
- Drain System Flush: Flush the condensate drain lines to prevent clogs and ensure proper drainage.
- Electrical Connections: Inspect all electrical connections for tightness and signs of wear.
- Overall System Inspection: A comprehensive check of the entire HVAC system to ensure all components are functioning correctly.
8. Troubleshooting
This section provides general troubleshooting tips. For complex issues or if you are unsure, always contact a qualified HVAC technician. Do not attempt repairs beyond your skill level, especially those involving refrigerant or electrical components.
| Problem | Possible Cause | Solution |
|---|---|---|
| No Cooling/Heating | Thermostat setting incorrect, dirty air filter, power supply issue, refrigerant leak, outdoor unit malfunction. | Check thermostat, replace air filter, check circuit breaker. If issues persist, contact a technician. |
| Reduced Airflow | Dirty air filter, blocked return air vents, obstructed ductwork. | Replace air filter, clear vents, inspect ductwork for obstructions. |
| Water Leaking from Unit | Clogged condensate drain line, improper installation slope, cracked drain pan. | Clear drain line, ensure proper slope. If drain pan is damaged, contact a technician. |
| Unusual Noises | Loose components, fan motor issue, refrigerant flow issues. | Turn off the unit and contact a qualified technician for inspection. |
For all troubleshooting steps involving refrigerant or electrical components, professional assistance is required.
9. Warranty Information
The Goodman CHPTA4830C3 horizontal coil comes with a 10-year parts only limited warranty. To qualify for this warranty, the unit must be installed by a qualified installer and registered online within 60 days of installation. Online registration is not required in California.

Image 9.1: Goodman 10-Year Limited Warranty emblem.
Important Warranty Conditions:
- Refrigerant Compatibility: This unit is compatible with R-32 refrigerant ONLY. Using this unit with any other refrigerant will result in a voided warranty.
- Professional Installation: Installation by a qualified HVAC technician is mandatory for warranty validity.
- Online Registration: Register the product online within 60 days of installation (not applicable in California).
- Parts Only: The warranty covers parts only; labor costs are not included.
For full warranty details, terms, and conditions, please refer to the official warranty document included with your product or contact Goodman customer support.
10. Customer Support
If you have questions, require technical assistance, or need to locate a qualified service technician, please contact Goodman customer support.
- Goodman Official Website: www.goodmanmfg.com
- Refer to the product packaging or included documentation for specific contact numbers or service center information.
When contacting support, please have your model number (CHPTA4830C3) and serial number readily available.