1. Introduction
This manual provides essential information for the proper installation and operation of the Goodman RF000129 Control Board. This control board is a critical component for compatible HVAC systems, managing various functions to ensure efficient and safe operation. Please read all instructions carefully before proceeding with installation or service.
2. Product Overview
The Goodman RF000129 Control Board serves as a replacement part for specific Goodman HVAC furnace models. It integrates various electrical inputs and outputs to control ignition, fan operation, and other system timings. The board features diagnostic indicators and configurable settings via DIP switches.
Image 1: Goodman RF000129 Control Board. This image displays the top view of the control board, highlighting various connection terminals, DIP switches for configuration, electrical specifications, and important safety warnings. Key labels include 'SP/N 50A55-288-05', 'GP/N PCBBF117', and a 'Diagnostic Indicator'.
3. Compatibility
The Goodman RF000129 Control Board is compatible with the following Goodman HVAC furnace models:
- GUCA045AX30
- GUCA070AX30
- GUCA070AX40
- GUCA090AX40
- GUCA090AX50
- GUCA115AX50
Ensure your furnace model is listed above for proper compatibility.
4. Safety Information
WARNING: Disconnect all power to the unit before servicing. Failure to do so may result in electrical shock, property damage, or personal injury.
WARNING: This control board is NOT FIELD REPAIRABLE. Replace only with the exact model number. Improper replacement can lead to explosion and serious injury.
Always consult a qualified HVAC technician for installation and service to ensure safety and proper function.
5. Installation Guidelines
Installation of the Goodman RF000129 Control Board should only be performed by a qualified professional. The board is designed as a direct replacement for compatible models. However, due to potential variations in board size or mounting points, new mounting holes may need to be drilled in the furnace cabinet.
Installation Steps (General):
- Ensure all power to the HVAC system is disconnected at the main breaker.
- Carefully label and disconnect all wires from the existing control board.
- Remove the old control board.
- Mount the new Goodman RF000129 Control Board in the designated location. If necessary, drill new mounting holes, ensuring no damage to other components.
- Reconnect all wires to their corresponding terminals on the new board, following the labels made during removal. Refer to the wiring diagram of your specific furnace model.
- Verify all connections are secure.
- Restore power to the HVAC system.
- Test the system for proper operation.
6. Operational Settings
DIP Switch Configuration
The control board features DIP switches (S1, S2, S3) to configure specific operational parameters. Refer to the labels on the board for switch positions (ON/OFF) and their corresponding settings.
| S1 | S2 | Delay (Seconds) |
|---|---|---|
| ON | ON | 60 |
| OFF | ON | 90** (Factory Setting) |
| ON | OFF | 120 |
| OFF | OFF | 180 |
S3 Ignitor Warm Up:
- OFF: 17 seconds, fixed.
- ON: Adaptive.
Diagnostic Indicator
The control board includes a diagnostic indicator light. This light provides error codes or status indications to assist in troubleshooting. Refer to the specific service instructions for your furnace model for a detailed interpretation of these diagnostic signals.
7. Specifications
| Feature | Detail |
|---|---|
| Brand | Goodman |
| Part Number | RF000129 |
| Model Number | RF000129 |
| Product Dimensions | 11.6 x 6.6 x 3.3 inches |
| Item Weight | 12.8 ounces |
| Material | Copper |
| Manufacturer | Goodman Mfg. Company |
| UPC | 048172067360 |
| Input | 25 V, 60(50)Hz |
| M.V. Output | 1.5 A @ 25V |
| Ignition Output | 6.0 A @ 120 VAC |
| Inducer Output | 2.2 FLA, 3.5 LRA @ 120 VAC |
| EAC and Humidifier Output | 1.0A @ 120 VAC |
| Circulator Output | 14.5 FLA, 25 LRA @ 120 VAC |
| Trial for Ignition | 4 seconds |
| Prepurge | 0 seconds |
| Postpurge | 15 seconds |
| Retries | 2 |
| Attempts | 3 |
| Circulator On Delay (Heat) | 30 seconds |
| Circulator On Delay (Cool) | 5 seconds |
| Circulator Off Delay (Cool) | 45 seconds |
8. Troubleshooting
If your HVAC system is not functioning correctly after installation, or if you experience issues during operation, refer to the diagnostic indicator on the control board. The indicator light will flash a specific sequence or remain solid to indicate a particular status or error code.
Consult the service manual for your specific Goodman furnace model to interpret these diagnostic codes. Due to the complex nature of HVAC systems and the critical safety warnings, all troubleshooting and repairs beyond basic diagnostic code reading should be performed by a certified HVAC technician.
