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Orion Control Systems AAON VCCX2 - User Manual

Orion Control Systems AAON VCCX2
138 pages
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VCCX2 Controller
Technical Guide
VCCX2 Controller Code: DT003800-001/SS1088 Version 1.02 and up
Service Tool SD Code: DT001240-001/SS1063 Version 1.11 and up
System Manager SD Code: DT002150-001/SS1068 Version 1.11 and up
System Manager Touch Screen (Limited Access): DT004254-001/SS7013

Table of Contents

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Orion Control Systems AAON VCCX2 Specifications

General IconGeneral
BrandOrion Control Systems
ModelAAON VCCX2
CategoryController
LanguageEnglish

Summary

Overview

System Features

Details the VCCX2 Controller's capabilities, inputs, outputs, and connectivity.

Applications

Outlines various HVAC applications the VCCX2 Controller can manage.

Part Number Cross Reference

Lists part numbers for VCCX2 Controller and related modules with Orion and AAON codes.

Parts and Descriptions

Details VCCX2 Controller and its associated Refrigerant System Modules (RSM).

VCCX2 Controller Components

Illustrates and labels the various physical components of the VCCX2 Controller.

Dimensions

VCCX2 Controller

Provides detailed physical dimensions for the VCCX2 Controller unit.

Refrigerant System Module (RSM)

Shows physical dimensions for the Refrigerant System Module (RSMV).

VCC-X EM1 Expansion Module

Displays physical dimensions for the VCC-X EM1 Expansion Module.

12 Relay E-BUS Module

Presents physical dimensions for the 12 Relay E-BUS Expansion Module.

Wiring

Important Wiring Considerations

Covers general and specific guidelines for correct and safe controller wiring.

VCCX2 Controller Inputs

Details wiring for the VCCX2 Controller's analog and binary inputs.

VCCX2 Controller Outputs

Illustrates wiring connections for the VCCX2 Controller's relay and analog outputs.

E-BUS Digital Room Sensor

Explains wiring for E-BUS digital room sensors for space temperature sensing.

Wall-Mounted E-BUS CO2 Sensor

Details wiring for the wall-mounted E-BUS CO2 sensor for space CO2 monitoring.

Duct-Mounted E-BUS CO2 Sensor

Describes wiring for the duct-mounted E-BUS CO2 sensor with remote pickup tube.

Space Temperature Sensor

Shows wiring for space temperature sensors used in HVAC applications.

Supply Air Temperature Sensor

Details wiring for the supply air temperature sensor for unit discharge monitoring.

Return Air Temperature Sensor

Illustrates wiring for the return air temperature sensor for HVAC unit return air monitoring.

Building Pressure Sensor

Explains wiring for the building pressure sensor used for building pressure control.

Outdoor Air Temperature Sensor

Shows wiring for the outdoor air temperature sensor for environmental monitoring.

E-BUS Outdoor Air Temperature and Humidity Sensor

Details wiring for E-BUS sensors measuring outdoor air temperature and humidity.

E-BUS Return Air Temperature and Humidity Sensor

Illustrates wiring for E-BUS sensors measuring return air temperature and humidity.

Duct Static Pressure Transducer

Explains wiring for the duct static pressure transducer for air duct pressure sensing.

Supply Fan VFD or Bypass Damper Actuator

Details wiring for controlling the supply fan VFD or bypass damper actuator.

Economizer Damper Actuator or WSE Actuator

Shows wiring for economizer damper actuators and waterside economizer valves.

Modulating Heating Device

Details wiring for modulating heating devices like hot water valves or SCRs.

Building Pressure Control Outputs

Illustrates wiring for building pressure control outputs to VFDs or damper actuators.

VCC-X EM1 Expansion Module

Details wiring for EM1 module inputs like temperature, pressure, and proof of flow.

12 Relay E-BUS Expansion Module

Explains wiring for the 12 Relay E-BUS Expansion Module for additional relay outputs.

RSMV Inputs Wiring

Shows wiring for the RSMV module's analog and binary inputs.

RSMD Inputs Wiring

Illustrates wiring for the RSMD module's analog and binary inputs.

RSMZ Inputs Wiring

Shows wiring for the RSMZ module's analog and binary inputs.

Inputs and Outputs

VCCX2 Controller and EM1 Module Input;Output Maps

Provides comprehensive input/output maps for the VCCX2 controller and EM1 module.

VCCX2 Controller Inputs

Describes each analog and binary input on the VCCX2 controller in detail.

VCCX2 Controller Outputs

Details the function and configuration of the VCCX2 controller's analog and relay outputs.

VCC-X EM1 Expansion Module

Lists and describes the inputs and outputs available on the VCC-X EM1 Expansion Module.

Sequence of Operations

Supply Fan and Occupied;Unoccupied Operation

Explains how the supply fan operates based on occupied/unoccupied modes and schedules.

HVAC Modes of Operation

Outlines the different HVAC operating modes available for the VCCX2 controller.

Cooling Mode

Describes the conditions and logic for enabling and operating the cooling mode.

Dehumidification Mode

Explains how the controller manages dehumidification based on humidity and temperature.

Reheat, Coil Suction, and Return Air Bypass Damper

Covers reheat strategies and return air bypass damper control during dehumidification.

Heating Mode

Describes various heating options and operational logic for the VCCX2 controller.

Ventilation Mode, Remote Contact Control, and Space Sensor Operation

Explains ventilation, remote control inputs, and space sensor operation.

IAQ Control, Morning Warm-Up and Cool-Down, and Single Zone VAV

Covers IAQ control, morning warm-up/cool-down, and single zone VAV applications.

Supply Air Temperature Setpoint Reset

Details how various sources can be used to reset the supply air temperature setpoint.

Airflow Monitoring, Preheater, Low Ambient and Duct Static Press

Covers airflow monitoring, preheater operation, low ambient conditions, and duct static pressure control.

Building Pressure Control and Exhaust Duct Static Pressure Control

Details building pressure control strategies and exhaust duct static pressure control.

Alarm Detection and Sensor Failure Alarms

Describes how the controller detects and reports alarms and sensor failures.

Mechanical Failure and Failure Mode Alarms

Covers mechanical failures and specific failure mode alarms for the controller.

VCCX2 Controller Trend Logs

Details the parameters logged by the VCCX2 controller for trend analysis.

Troubleshooting

VCCX2 Controller and EM1 LED Diagnostics

Provides information on interpreting controller and expansion module LEDs for troubleshooting.

Temperature Sensor Testing

Guides on testing temperature sensors using resistance and voltage charts.

Duct Static Pressure and Building Pressure Sensor Testing

Explains how to test duct static and building pressure sensors using voltage readings.

Appendix A - System Configuration

System Configurations

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

Stand-Alone System Layout

Illustrates a typical stand-alone system layout with operator interfaces.

Networked System Single Loop Layout

Shows a typical networked single loop system layout with controllers and interfaces.

Networked System Multiple Loop Layout

Illustrates a typical networked multiple loop system layout with multiple local loops.

Appendix B - VCCX2 LCD Screens

Navigation Keys

Explains the function of the navigation keys on the VCCX2 controller's LCD screen.

Main Screens Map

Provides a visual map for navigating through the main LCD screens.

Setting Screens

Details the navigation within the settings menu for configuration parameters.

Status Screens

Maps out the different status screens available on the VCCX2 controller's LCD.

Alarm Screens

Explains how to view and interpret alarm messages on the controller's LCD.

Output Override Screens

Details how to access and modify output override settings via the LCD.

Air Balance Screens and Factory Test Mode Screen

Covers air balance settings and the factory test mode screen.

Appendix C - VCCX2 BACnet

VCCX2 BACnet Parameters

Introduces BACnet parameters for the VCCX2 controller.

VCCX2 BACnet Parameters

Lists BACnet properties for the VCCX2 controller, covering analog inputs.

VCCX2 BACnet Parameters

Continues listing BACnet properties for the VCCX2 controller, covering more analog inputs.

VCCX2 BACnet Parameters

Continues listing BACnet properties for the VCCX2 controller, covering more analog inputs.

VCCX2 BACnet Parameters

Continues listing BACnet properties for the VCCX2 controller, covering RSMZ parameters.

VCCX2 BACnet Parameters

Continues listing BACnet properties for the VCCX2 controller, covering RSMZ parameters.

VCCX2 BACnet Parameters

Continues listing BACnet properties for the VCCX2 controller, covering RSMZ parameters.

VCCX2 BACnet Parameters

Continues listing BACnet properties for the VCCX2 controller, covering various setpoints and offsets.

VCCX2 BACnet Parameters

Continues listing BACnet properties for the VCCX2 controller, covering setpoints and alarm offsets.

VCCX2 BACnet Parameters

Continues listing BACnet properties for the VCCX2 controller, covering various setpoints and calibration offsets.

VCCX2 BACnet Parameters

Continues listing BACnet properties for the VCCX2 controller, covering CFM and control deadbands.

VCCX2 BACnet Parameters

Continues listing BACnet properties for the VCCX2 controller, covering override and sensor calibration values.

VCCX2 BACnet Parameters

Continues listing BACnet properties for the VCCX2 controller, covering binary inputs status.

VCCX2 BACnet Parameters

Continues listing BACnet properties for the VCCX2 controller, covering binary inputs status and alarms.

VCCX2 BACnet Parameters

Continues listing BACnet properties for the VCCX2 controller, covering binary inputs status for expansion modules.

VCCX2 BACnet Parameters

Continues listing BACnet properties for the VCCX2 controller, covering binary inputs status for refrigerant modules.

VCCX2 BACnet Parameters

Continues listing BACnet properties for the VCCX2 controller, covering enumerated values for modes.

VCCX2 BACnet Bitfields

Details bitfield definitions for RSMZ warnings, faults, and lockouts.

VCCX2 BACnet PICS

Provides the Protocol Implementation Conformance Statement for BACnet.

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