Trane VariTrane VCCF - User Manual

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Only qualified personnel should install and service the equipment. The installation, starting up, and servicing of heating, ventilating, and air-conditioning
equipment can be hazardous and requires specific knowledge and training. Improperly installed, adjusted or altered equipment by an unqualified person
could result in death or serious injury. When working on the equipment, observe all precautions in the literature and on the tags, stickers, and labels that
are attached to the equipment.
September 2021
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Installation, Operation, and Maintenance
VariTrane™™ Variable Air Volume
(VAV) Terminal Air Units
Shutoff, Fan Powered, and CoolSense™
Sensible Cooling
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Trane VariTrane VCCF Specifications

General

Brand	Trane
Model	VariTrane VCCF
Category	Fan
Language	English

Summary

Introduction and Safety Precautions

Safety Advisories and General Precautions

Defines safety advisories (Warning, Caution, Notice) and emphasizes safe practices.

Environmental and Refrigerant Handling

Discusses environmental impact of refrigerants and responsible handling procedures.

Electrical Safety and PPE Requirements

Covers safe field wiring, grounding, and mandatory Personal Protective Equipment.

Manual Overview and Equipment Handling

Explains the manual's content, related documents, and receiving procedures.

Model Number System

Single-Duct VAV Unit Model Numbers

Details the coding system for VariTrane™ Single-Duct VAV units.

Dual-Duct VAV Unit Model Numbers

Explains the model number structure for VariTrane™ Dual-Duct VAV units.

Fan-Powered VAV Unit Model Numbers

Describes the model number components for VariTrane™ Fan-Powered VAV units.

Chilled Water Sensible Cooling Terminal Unit Model Numbers

Outlines the model number designation for chilled water sensible cooling units.

Detailed Model Number Digit Explanations

Provides specific meanings for various digits within the model number codes.

Unit Information and Installation

Single Duct VAV Unit Description

Details the basic construction and operation of single-duct VAV units.

Dual-Duct VAV Unit Description

Explains the dual-air valve system and control options for dual-duct units.

Fan-Powered VAV Unit Types and Features

Describes parallel, series, and low-height fan-powered VAV unit configurations.

Chilled Water Sensible Cooling Terminal Unit Operation

Explains the unique operation of chilled water sensible cooling terminal units.

Installation Safety and Structural Support

Covers critical warnings for hazardous voltage and proper structural support during installation.

Unit Mounting and Hanger Locations

Provides guidance on mounting VAV units and details hanger bracket locations.

Duct Connections and Water Coil Connections

Specifies requirements for ductwork connections and water coil piping.

Temperature Sensor Installation Guide

Details procedures for installing discharge duct and electronic duct temperature sensors.

Unit Accessibility, Clearances, and Stand-alone Controls

Covers service access, clearance requirements, and standalone control unit operation.

Bottom Access and Unit Weights

Describes the optional bottom access feature and provides unit weight data.

Unit Setup and Wiring Diagrams

Fan Motor Amperage and Speed Control

Details fan motor amperage and adjusting SCR motor speed control settings.

ECM Motor Operation and Control

Explains ECM motor control interfaces, including Trane and non-Trane options.

ECM Airflow Performance Tables

Provides CFM data mapping for various ECM fan sizes and control signal inputs.

Wiring Diagram References

Lists programming guides for low voltage unit controls and wiring information.

Electric Heater Control Box Wiring Diagrams

Illustrates wiring for electric heater control boxes for single and multi-stage applications.

Fan-Powered Unit Wiring Diagrams

Shows wiring configurations for fan-powered units with PSC and ECM motors.

Maintenance Procedures

Motor and Fan Wheel Maintenance

Covers routine inspection and cleaning for motors and fan wheels.

Filter and Water Coil Maintenance

Details filter change-out procedures and water coil inspection and cleaning.

Fan Motor Replacement Procedures

Explains the steps for replacing fan motors in different unit configurations.

SCR Assembly Installation and Maintenance

Covers the installation, function, and troubleshooting of SCR solid state relays.

Additional Notes

Provides supplementary notes and information not covered in other sections.