Trane Technologies VariTrane VCEF 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.
March 2022
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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 Technologies VariTrane VCEF Specifications

General

Brand	Trane Technologies
Model	VariTrane VCEF
Category	Air Conditioner
Language	English

Summary

Safety Warnings

General Safety Warning

Critical safety information for installation and service personnel.

Introduction and Safety Information

Proper Field Wiring and Grounding

Requirements for safe electrical installation and grounding.

Personal Protective Equipment (PPE)

Mandatory PPE for safe installation and servicing.

Operational and Safety Guidelines

EHS Policies and Fiberglass Wool Safety

Adherence to EHS policies and precautions for fiberglass wool exposure.

Model Number Descriptions

Single-Duct VAV Units Model Number Breakdown

Detailed explanation of model number digits for single-duct VAV units.

Model Number Descriptions (Continued)

Dual-Duct VAV Units Model Number Breakdown

Detailed explanation of model number digits for dual-duct VAV units.

Fan-Powered VAV Units Model Number Breakdown

Detailed explanation of model number digits for fan-powered VAV units.

Model Number Descriptions (Continued)

Chilled Water Sensible Cooling Terminal Units Model Number Breakdown

Unit Installation

Installation Safety Warnings

Safety warnings for hazardous voltage and proper structural support.

Single-Duct VAV Unit Hanging Recommendations

Dual-Duct VAV Unit Support

Wiring Diagrams

Wiring Diagrams (Continued)

Electric Heater Control Box Wiring

Wiring diagram for single duct, single phase, 1 leg, 3 stages electric heat.

Single Duct, SCR, 1 Stage Wiring

Wiring diagram for single duct, single phase, SCR, 1 stage.

Fan Powered, Single Phase, 1 Leg, 2 Stages Wiring

Wiring diagram for fan powered, single phase, 1 leg, 2 stages.

Fan Powered, Three Phase, Wye, 2 Stages Wiring

Wiring diagram for fan powered, three phase, wye, 2 stages.

Control Box Wiring

Single Duct Control Box Wiring

Wiring details for single duct control boxes with electric heat options.

Control Box Wiring (Continued)

Fan-Powered Unit (PSC Motor) Control Box Wiring

Fan-Powered Unit (ECM Motor) Control Box Wiring

Control Box Wiring (Continued)

Fan-Powered Low-Height Unit Wiring (Old Style)

Fan-Powered Low-Height Unit (ECM) Wiring (Old Style)