Goodman/Amana PGMDH/PGMDMH Fresh Air Dampers for Horizontal Package Units
This document details the specifications and model information for the PGMDH and PGMDMH series of motorized and manual fresh air dampers, designed for horizontal application in Goodman and Amana GPG-, APG-024-060 package units.
Diagrams and Dimensions
Illustrative diagrams provide visual representation and key dimensions for the fresh air damper assemblies.
- Diagram 1: An isometric view of a rectangular fresh air damper assembly. It displays a main housing with labels 'A' and 'B' indicating overall dimensions, and a smaller box representing the motor housing.
- Diagram 2: A front view of the damper assembly, specifying dimensions. The overall width is labeled 'A' and the height 'B'. Key measurements include 7 5/8 inches (part of B), 5 3/4 inches (part of A), and 1 7/8 inches (part of A). This view is labeled 'FRONT'.
- Diagram 3: A perspective view showing the damper unit installed on a larger HVAC package unit, which features visible ventilation grilles.
Model Specifications
| MODEL | A | B |
|---|---|---|
| PGMDH101 | 26.5 | 29.75 |
| PGMDH102 | 31.5 | 29.75 |
| PGMDH103 | 39 | 29.75 |
Damper Features
Manual Damper Specifications
- Provides adjustable fresh air intake from 0 to 25% of total airflow.
- Features a locking selection knob to maintain a constant opening position.
Motorized Damper Specifications
- Equipped with a 24 VAC damper motor that includes a spring return function.
- Comes fully assembled and factory wired for straightforward installation.
General Specifications
- The damper housing is painted to match the associated HVAC unit.
- Includes all necessary installation hardware and comprehensive instructions.
