AAON MODGAS-XWR2 User Manual

MODGAS-XWR2 Module
Technical Guide

AAON MODGAS-XWR2 Specifications

General

Brand	AAON
Model	MODGAS-XWR2
Category	Controller
Language	English

Summary

MODGAS-XWR2 Overview

General Information and Features

Provides general details, configurations, and key features of the MODGAS-XWR2 module.

Physical Dimensions

Details the physical dimensions of the MODGAS-XWR2 module with diagrams.

Wiring and Connections

Wiring Considerations and Requirements

Outlines critical factors, electrical, and environmental requirements for module wiring.

Stand-Alone Wiring Configurations

Illustrates various wiring configurations for stand-alone operation.

Communications Wiring Configurations

Illustrates various wiring configurations for communication operation.

Module Inputs, Outputs, and Operation

Inputs and Outputs Mapping

Details the available inputs and outputs of the MODGAS-XWR2 module.

Sequence of Operation Modes

Explains operating modes, heating sequences, valve failures, and master/normal operations.

LCD Interface and Controls

LCD Navigation and Key Functions

Describes the function of navigation and editing keys for the LCD screen.

Main Screen Navigation and Status

Provides a map for navigating main LCD screens and details status displays.

Alarms, Setpoints, and Configuration

Covers alarm screens, setpoint adjustment, and module configuration options.

Troubleshooting and Support

LED Diagnostics and Alarms

Explains LED functions for diagnostics and lists alarm codes for troubleshooting.

SAT Sensor Testing and Wiring

Provides procedures for testing the SAT sensor and its wiring guide.

Module Replacement Guide

Provides instructions for replacing the MODGAS-XWR with the MODGAS-XWR2.