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General| Brand | AAON |
|---|---|
| Model | MHGRV-X |
| Category | Controller |
| Language | English |
Provides a comprehensive overview of the MHGRV-X controller's purpose and features.
Covers general installation, mounting, and wiring best practices for the controller.
Details the specific wiring procedure for connecting the MHGRV-X to AAON unit controllers.
Illustrates the wiring diagram for operating the MHGRV-X in a stand-alone configuration.
Lists and describes the available analog inputs, binary inputs, and relay outputs.
Explains the controller's stand-alone and auxiliary operating modes.
Details advanced features like coil flush cycles and second-stage reheat.
Describes the LCD display and the functions of the navigation buttons.
Provides flowcharts for navigating main and reheat screens on the LCD.
Explains the information displayed on the status and alarm screens.
Details how to access and modify setpoints and control valves.
Explains the meaning of various LEDs for diagnosing controller status and operation.
Lists common alarm types and their potential causes.
Guides on checking the Supply Air Temperature Sensor and basic wiring.
Provides instructions for physically mounting the Supply Air Temperature Sensor.
Details SAT sensor wiring conditions and jumper configurations.
Outlines the steps for replacing an older MHGRV II controller with the MHGRV-X.
Describes the capabilities and physical size of the Reheat Expansion Module.
Covers the mounting, installation, and general wiring of the expansion module.
Illustrates the wiring for connecting multiple expansion modules in series.
Explains the operational modes for the Reheat Expansion Module.
Details LED functions and troubleshooting steps for the expansion module.
Addresses common questions and answers for expansion module troubleshooting.
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