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Trane Voyager YC* User Manual

Trane Voyager YC*
108 pages
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Packaged Cooling &
Gas/Electric Rooftops
May 2007 RT-PRC024-EN
Voyager
12½-25 Tons — 60 Hz
Packaged Cooling (TC*)
Packaged Gas/Electric (YC*)

Table of Contents

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Trane Voyager YC* Specifications

General IconGeneral
BrandTrane
ModelVoyager YC*
CategoryAir Conditioner
LanguageEnglish

Summary

Introduction

Packaged Rooftop Air Conditioners

Overview of Trane's Voyager packaged rooftop product line, highlighting its features and benefits.

Features and Benefits

Standard Features

Lists standard features of Voyager units, covering components like filters, warranty, and design.

Options

Details available factory-installed and field-installed options for enhanced functionality and customization.

Application Considerations

Low Ambient Cooling

Information on Voyager's low ambient cooling capability and necessary options for these applications.

Clearance Requirements

Maintaining recommended clearances for serviceability, peak capacity, and efficiency is crucial.

Selection Procedure

Cooling Capacity

Procedure for calculating and selecting units based on building cooling loads and conditions.

Heating Capacity

Procedures for calculating heating capacity differ for TC* and YC* units, requiring building load calculation.

Model Number Description

DIGIT 4,5,6 — NOMINAL GROSS COOLING CAPACITY (MBh)

Details the cooling capacity digits corresponding to tons and efficiency levels.

DIGIT 9,10 — FACTORY INSTALLED OPTIONS

Lists factory-installed options corresponding to digits 9 and 10 in the model number.

Model Number Notes

Provides explanations and clarifications for various model number digits and options.

General Data

Table 1. General Data — 12½-15 Tons

Provides key specifications for 12½-15 ton units, including cooling, compressor, coil, and fan data.

Performance Data

Table 6. Gross Cooling Capacities 12½ Tons Three Phase Standard Efficiency T/YC*150D3,4,W,K

Provides gross cooling capacities for 12½ ton standard efficiency units across various conditions.

Table 7. Gross Cooling Capacities 15 Tons Three Phase Standard Efficiency T/YC*180B3,4,W,K

Details gross cooling capacities for 15 ton standard efficiency units under different ambient conditions.

Controls

ReliaTel™ Controlled Units

Overview of ReliaTel controlled units and available zone sensor options for occupant comfort.

Economizer Controls

Details standard fixed dry bulb control and optional enthalpy/differential enthalpy controls.

Electrical Data

Table 60. Unit Wiring with Gas Heat or Cooling (No Electric Heat)

Wiring information for units with gas heat or cooling, detailing ampacity and fuse/breaker sizes.

Electrical Data

Table 63. Electrical Characteristics — Evaporator Fan Motor — 60 Cycle — Standard and Oversized Motor

Electrical characteristics for evaporator fan motors, detailing amps, voltage, HP, and motor types.

Jobsite Connections

Table 77. Typical Number of Wires

Details the typical number of wires required for zone sensors and thermostats.

Typical Wiring

Figure 3. 12.5-25 Tons Cooling with Optional Electric Heat

Wiring diagram for cooling units with optional electric heat, showing connections.

Typical Wiring

Figure 5. 12.5-25 Tons Gas/Electric- for specific wiring, see service facts.

Wiring diagram for gas/electric units, illustrating connections for specific wiring.

Dimensional Data

Figure 7. Cooling with Optional Electric Heat and Gas/Electric Models - 12½-17½ Tons Standard Efficiency; 12½ Tons High Efficiency

Dimensional drawing of cooling units with electric heat/gas/electric models, showing standard and high efficiency.

Dimensional Data

Figure 12. Cooling with Optional Electric Heat and Gas/Electric Models - 20-25 Tons Standard Efficiency; 15-25 Tons High Efficiency

Dimensional drawing of cooling units (20-25 tons standard, 15-25 tons high efficiency) with electric heat/gas/electric.

Dimensional Data

Table 78. Standard Efficiency Units (Cooling and Gas/Electric)

Standard efficiency unit dimensions (A-K) for cooling and gas/electric models.

Weights

Table 83. Maximum Unit & Corner Weights (Lbs) and Center of Gravity Dimensions (in.) Cooling with Optional Electric Heat Units only

Unit and corner weights, and center of gravity dimensions for cooling units with electric heat.

Table 84. Maximum Unit & Corner Weights (Lbs) and Center of Gravity Dimensions (in.) Gas/Electric Heat Units only

Unit and corner weights, and center of gravity dimensions for gas/electric heat units.

Mechanical Specifications

Casing

Details casing construction, materials, finishes, insulation, and service access.

Gas Heating Section

Details the gas heating section, including heat exchanger, blower, ignition system, and gas valve.

Mechanical Specifications

Factory Installed Options

Lists factory installed options such as Black Epoxy Coated Coils and Dehumidification Option.

Through the Base Electrical with Circuit Breaker

Thermal magnetic circuit breaker option for through-the-base electrical connections.

Mechanical Specifications

Factory or Field Installed Options

Lists options like Clogged Filter/Fan Failure Switch, Differential Pressure Switches, and Discharge Air Sensing Kit.

Economizer - Downflow

Fully modulating economizer with barometric relief, minimum position setting, and wiring harness.

Mechanical Specifications

Roof Curb - Downflow

Designed to mate with downflow units, providing support and watertight installation with NRCA compliance.

Ventilation Override Accessory

Allows unit transition to sequences for smoke purge, pressurization, and exhaust via binary input.

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