AAON MODGAS-XWR User Manual

MODGAS-XWR2 Controller
Technical Guide
(Previously MODGAS-XWR-1)
MODGAS-XWR2 (MODGAS-XWR-1) Code: DT003795-001/SS1086
MODGAS-XWR Code: DT006331-001/SS1060

AAON MODGAS-XWR Specifications

General

Brand	AAON
Model	MODGAS-XWR
Category	Controller
Language	English

Summary

Overview of the MODGAS-XWR2 Controller

General Information about MODGAS-XWR2 Controller

Provides a general description of the controller's features and capabilities.

Wiring and Installation Guide

Wiring Overview and Module Dimensions

Details crucial electrical connection requirements and module dimensions.

Stand-Alone Wiring Configurations

1V1IGN1S Stand-Alone Wiring Diagram

Illustrates wiring for one modulating valve, one ignitor, one stage.

Communicating Wiring Configurations

1V1IGN1S Communicating Wiring Diagram

Illustrates communicating wiring for 1V1IGN1S configuration.

Inputs and Outputs Mapping

I/O Map and Descriptions

Details the controller's input/output points and their functions.

Operation Modes and Staging Configurations

MODGAS-XWR2 Operation Modes

Explains stand-alone and communicating modes of operation.

Sequence of Operations

Heating Mode Sequence of Operations

Describes the ignition sequence for various valve configurations.

LCD Display Screens and Navigation

Navigation Key Functions Overview

Explains the function of each navigation key on the LCD display.

Troubleshooting Guide

LED Diagnostics for Troubleshooting

Details the meaning of controller LEDs for operation and diagnostics.

Appendices

Supply Air Temperature Sensor Installation

Instructions for physically mounting the SAT sensor in the ductwork.