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AAON VCCX2 User Manual

AAON VCCX2
95 pages
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VCCX2 Controller
Technical Guide
ASM01698
Software SS1088

Table of Contents

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AAON VCCX2 Specifications

General IconGeneral
BrandAAON
ModelVCCX2
CategoryController
LanguageEnglish

Summary

Overview of the VCCX2 Controller

VCCX2 Controller Features

Details the capabilities, applications, and key features of the VCCX2 Controller.

VCCX2 Controller Applications

Describes various HVAC applications supported by the VCCX2 Controller, including VAV and MUA units.

VCCX2 Part Number Cross Reference

Lists part numbers for the VCCX2 controller and its associated expansion modules and accessories.

VCCX2 Controller Components

Identifies and labels the key components, terminals, and LEDs on the VCCX2 Controller.

Dimensions of VCCX2 Controller and Modules

VCCX2 Controller Dimensions

Provides physical dimensions and mounting details for the VCCX2 Controller.

VCC-X EM1 Expansion Module Dimensions

Provides physical dimensions and mounting details for the VCC-X EM1 Expansion Module.

12 Relay E-BUS Module Dimensions

Provides physical dimensions and mounting details for the 12 Relay E-BUS Expansion Module.

Wiring the VCCX2 System

Important Wiring Considerations

Covers crucial electrical, environmental, and safety factors for VCCX2 wiring.

VCCX2 Controller Input Wiring

Illustrates how to connect various input sensors and devices to the VCCX2 Controller.

VCCX2 Controller Output Wiring

Illustrates how to connect various output devices and actuators to the VCCX2 Controller.

VCC-X EM1 Expansion Module Wiring

Shows input and output wiring for the VCC-X EM1 Expansion Module.

12 Relay E-BUS Expansion Module Wiring

Details wiring connections for the 12 Relay E-BUS Expansion Module.

Airflow Station Wiring

Details wiring for connecting airflow measurement digital transmitters to the VCCX2.

Start-Up and Commissioning

Powering Up and Configuration

Guides on applying power, initial checks, and configuring the VCCX2 Controller.

Inputs and Outputs

VCCX2 Controller and EM1 Module I/O Maps

Provides maps of analog and binary inputs/outputs for VCCX2 and EM1 modules.

EM1 Expansion Module Inputs/Outputs Maps

Details input/output maps specifically for the EM1 Expansion Module.

VCCX2 Controller Input/Output Descriptions

Explains the function and usage of VCCX2 controller's analog and binary inputs and outputs.

VCC-X EM1 Expansion Module Input/Output Descriptions

Details the functions of EM1 module's analog inputs, outputs, and binary inputs.

User Configurable Relay Outputs

Lists and describes the various functions for user-configurable relay outputs.

Sequence of Operations

Configuration Options

Outlines various configuration options for system modes like fan, HVAC source, and occupied/unoccupied modes.

Modes of Operation

Describes general HVAC modes like Cooling, Heating, Vent, Dehumidification, and Economizer.

Specialized Operations and Controls

Covers Heat Pump, MUA, VAV, pressure control, and other specific operational features.

Troubleshooting

LED Diagnostics

Explains the function of various LEDs on the VCCX2 Controller and expansion modules.

Alarms

Details alarms for sensor failures, mechanical failures, direct fire, and compressor issues.

Sensor Testing

Provides instructions and tables for testing temperature and pressure sensors.

Trend Logs and Bit String Decoding

Explains trend logs, decoding bit strings, and specific module logs.

Appendix A: System Configuration

System Configuration Options

Describes different system configuration options: Stand-Alone, Interconnected, and Networked.

System Layouts

Illustrates typical stand-alone, single loop, and multiple loop networked system diagrams.

Appendix B: LCD Screens

LCD Display Screen and Navigation Keys

Explains the LCD display interface and navigation/editing key functions.

LCD Screen Descriptions

Details Main Screens Map, Settings, Status, Alarms, and Output Override screens.

Appendix C: BACnet Guide

BACnet Connection to MS/TP Network

Explains how to connect the VCCX2 controller to an MS/TP network.

Analog Inputs

Lists and describes analog input parameters and their BACnet objects.

Analog Values

Lists and describes analog value parameters, setpoints, and their BACnet objects.

Binary Inputs

Lists and describes binary input parameters and their BACnet objects.

Enumerated Fields and Bitfields

Explains enumerated fields for control modes and bit strings for status.

BACnet Protocol Implementation Conformance Statement

Provides BACnet conformance statement details for controller versions.

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