This document is a repair parts manual for AVPTC Air Handlers, providing an index, functional parts list, and detailed illustrations for unit assembly. It is intended for use by qualified technicians for maintenance and repair purposes.
Function Description:
The AVPTC Air Handlers are components of an HVAC system, designed to circulate air and facilitate heat exchange. This manual specifically focuses on providing the necessary information for identifying and ordering replacement parts for three models: AVPTC183014AA, AVPTC313714AA, and AVPTC426014AA. The air handler's primary function is to house the blower motor, coil, and control components that are essential for air circulation and conditioning within a building. The manual includes an exploded view of the unit assembly, allowing technicians to visually locate and identify each part.
Important Technical Specifications:
The manual lists several key functional parts and their specifications, which vary slightly across the different models (M1, M2, M3).
- Motors:
- M1 (AVPTC183014AA) uses a 1/2 HP, Serial ECM motor (Part No: 0131M00111S).
- M2 (AVPTC313714AA) uses a 3/4 HP, Serial ECM motor (Part No: 0131M00112S).
- M3 (AVPTC426014AA) uses a 1 HP, Serial ECM motor (Part No: 0131M00113S).
- Refrigerant: The system uses R410A refrigerant. This is a critical detail for service procedures, as it requires approved equipment and specific handling protocols.
- TXV Valves:
- M1 uses TXV R-410A (Part No: 0151R00019).
- M2 uses TXV R-410A (Part No: 0151R00020).
- M3 uses TXV R-410A (Part No: 0151R00021).
- Transformer: All models share a 208/230, 24V transformer (Part No: B1141643).
- Control Board: A common control PCB for the air handler is listed (Part No: PCBJA101S).
- Blower Wheels:
- M1 uses a 9 x 8 blower wheel (Part No: B1368037S).
- M2 and M3 use a 10 x 10 blower wheel (Part No: B1368048S).
- Drain Pans: Both horizontal and vertical plastic drain pans are specified, with different part numbers for M1 versus M2/M3 models.
- Coil Tubing Assy: Specific coil tubing assemblies are listed for each model (M1: 0270A00491, M2: 0270A00498, M3: 0270A00499).
Usage Features:
This manual is primarily a reference tool for technicians. It features:
- Index: Provides quick navigation to the "Functional Parts List" and "Illustration and Parts" sections.
- Text Codes: Explains abbreviations used in the parts list, such as AR (As Required), NA (Not Available), NS (Not Shown), QTY (Quantity), and M (Model). This helps in understanding part applicability and availability.
- Expanded Model Nomenclature: Clearly defines M1, M2, and M3 to correspond to the specific AVPTC air handler models, ensuring correct part identification.
- Detailed Illustration: An exploded diagram of the "Unit Assembly" (Image 1) visually represents all major components, making it easier for technicians to identify parts in context. Each part in the illustration is numbered, corresponding to the "Ref. Part No." in the parts list.
- Comprehensive Parts List: The "Unit Assembly" section provides a detailed list of all identifiable parts, including their reference number, part number, and a clear description. This list distinguishes between parts common to all models and those specific to M1, M2, or M3.
Maintenance Features:
The manual emphasizes several key aspects related to maintenance and repair:
- Qualified Technicians Only: The document explicitly states that it "is to be used by qualified technicians only," highlighting the complexity and potential hazards of working with these units.
- Warranty Service: It specifies that warranty service "must be performed by an authorized technician, using authorized factory parts." This ensures proper repair and adherence to warranty terms.
- Post-Warranty Service: For service after the warranty expires, Goodman Manufacturing Company, L.P. "recommends contacting an authorized technician and using authorized factory parts," promoting continued reliability and safety.
- R410A Refrigerant Handling: A crucial note advises that if "sealed system work is required, use approved equipment and follow service procedures," and to "Refer to Service Manual or Installation Instructions for service procedures." This underscores the specialized nature of refrigerant handling.
- Disclaimer: Goodman Manufacturing Company, L.P. disclaims responsibility for "personal injury or property damage resulting from improper service," reinforcing the need for professional expertise.
- Design Changes: The company reserves the right to "discontinue, or change at any time, specifications or designs without notice or without incurring obligations," which is important for technicians to be aware of potential updates or part obsolescence.
- Contact Information: Provides contact details for Consumer Affairs and International Division for assistance, including telephone and facsimile numbers, ensuring support for technicians globally.
- Installation Manual: Mentions "IO-346 INSTALLATION MANUAL" as a special part, indicating that a separate installation guide is available and likely contains additional service procedures.
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