Trane VariTrane VCWF 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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FFaann--PPoowweerreedd LLooww HHeeiigghhtt:: LPCF, LPEF, LPWF, LSCF, LSEF, LSWF
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Trane VariTrane VCWF Specifications

General

Brand	Trane
Model	VariTrane VCWF
Category	Fan
Language	English

Summary

Introduction and Safety

Safety Advisories and Warnings

Detailed safety warnings, cautions, and precautions for installation and service.

Model Number Descriptions

Single-Duct VAV Unit Models

Dual-Duct VAV Unit Models

Fan-Powered VAV Unit Models

Explanation of model number coding for fan-powered VAV units.

Chilled Water Sensible Cooling Terminal Unit Models

Unit Installation

General Installation Guidelines

Instructions for proper unit hanging and structural support.

Component Connections and Installation

Unit Setup

ECM Motor Setup and Operation

Details on Electrically Commutated Motor setup and control.

Wiring Diagrams

Electric Heater Wiring Diagrams

Diagrams for electric heater control box wiring.

Control Box Wiring

Diagrams for general control box wiring.

Fan-Powered Motor Wiring Diagrams

Diagrams for fan-powered motors (PSC, ECM, ECV, old style).

Maintenance Procedures

Motor and Fan Wheel Maintenance

Guidelines for motor and fan wheel inspection and cleaning.

Filter Maintenance and Replacement

Fan Motor Replacement

Procedures for replacing fan motors.

SCR Assembly Maintenance

Information on maintaining SCR assemblies.