Trane Comprehensive Guide to the VAV Retrofit Kit

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Notice

NOTICE:

Warnings and Cautions appear at appropriate sections throughout this manual. Read these carefully.

WARNING – Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury.

CAUTION – Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury. It may also be used to alert against unsafe practices.

CAUTION – Indicates a situation that may result in equipment or property-damage-only accidents.

General

The purpose of this installation manual is to provide application, functional and calibration information for the Trane Retrofit package. Examples and charts are provided to enhance the understanding of this information.

Introduction

The DDC/VAV retrofit kit consists of the UCM control assembly, a Honeywell™ or Belimo™ actuator (both optional), and various accessories such as zone sensors, transformers, flow sensors, etc. This manual is intended to show how to apply, install and configure the DDC/VAV Retrofit kit. It is intended to provide information specific to the VAV retrofit. Refer to VAV-SVX01C-EN for complete DDC/VAV system wiring, installation and programming instructions.

Applications

The retrofit kit may be applied to pneumatic terminals by replacing the pneumatic actuator with an electric actuator or electrically controlled terminals by either using the existing electric actuator or by replacing it with one provided by Trane.

The kit may be used on existing shutoff, shutoff hot water reheat, shutoff with up to three stages of electric heat, and fan powered (both parallel and series) cooling only, hot water, and electric reheat units.

Note: Fan powered units have only two stages of reheat available.

Dual duct units may also be retrofitted using two sets of controllers. The kit has also been applied to constant volume reheat systems where the retrofit kit is used to control duct coils.

The kit has been tested on VAV terminals of several major manufacturers. It is mandatory for unit to have an external shaft to function properly with the direct coupled actuators offered.

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VAV-IN-24

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Contents Installation Later Design SequenceApplications GeneralIntroduction Contents UCM 4.2 Retrofit Kit Control AssemblyHardware Honeywell ActuatorInstallation Actuator InstallationCommissioning CommissioningSensor signal vs. airflow delivery Trane

VAV-IN-24, Unit Control Module (UCM) 4.2 Retrofit Model VAV specifications

The Trane VAV-IN-24, Unit Control Module (UCM) 4.2 Retrofit Model VAV is a cutting-edge solution designed to enhance the efficiency and performance of Variable Air Volume (VAV) systems in commercial buildings. This advanced model is engineered for seamless integration into existing HVAC systems and is ideal for retrofitting applications where upgrade and modernization are necessary.

One of the standout features of the VAV-IN-24 is its advanced control capabilities, which allow for precise temperature regulation and improved indoor air quality. The device utilizes a sophisticated control algorithm that optimizes air distribution based on real-time occupancy and usage patterns. This not only ensures maximum comfort for building occupants but also significantly reduces energy consumption.

The VAV-IN-24 is equipped with state-of-the-art communication technologies, featuring LonWorks and BACnet compatibility for easy integration into smart building systems. This allows for centralized monitoring and control, offering facility managers the ability to manage multiple units effectively and make data-driven decisions to improve system performance.

Another key characteristic of the UCM 4.2 Retrofit Model is its user-friendly interface. The display and controls are designed for easy operation, enabling quick adjustments to set points or configurations. Moreover, the module supports multiple input options, including traditional wired sensors and modern wireless devices, making it incredibly flexible for various installation scenarios.

The Trane VAV-IN-24 also emphasizes reliability and durability. The unit is designed to withstand the rigors of commercial environments, featuring robust components that ensure long operational life and minimal maintenance requirements.

In addition, the module supports advanced diagnostics and monitoring features, which enable proactive maintenance and minimize unexpected downtime. By utilizing built-in analytics, facility managers can identify potential issues before they escalate into significant problems, thus extending the lifespan of the HVAC system.

In summary, the Trane VAV-IN-24, UCM 4.2 Retrofit Model VAV is an exceptional choice for building owners and facility managers seeking to upgrade their air distribution systems. With its advanced control capabilities, user-friendly design, compatibility with modern communication technologies, and robust reliability, it represents a forward-thinking solution in the realm of HVAC technology.