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Trane FADA User Manual

Trane FADA
84 pages
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FAXA-SVX01B-EN
Installation, Operation,
and Maintenance
Packaged Fresh Air Unit
For 100% Outdoor Air Applications
Models FADA and FAHA
“BO” and later design sequence
April 2003
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Trane FADA Specifications

General IconGeneral
BrandTrane
ModelFADA
CategoryAir Conditioner
LanguageEnglish

Summary

General Information and Manual Overview

Warnings and Cautions

Explains hazard levels and potential consequences of unsafe practices.

Packaged Fresh Air Unit Model Number Description

Unit Nameplate

Pre-Installation Considerations

Safety Warnings for Installation

Critical safety warnings regarding electrical hazards and physical dangers during installation.

Service Access and Safety

Roof Curb Installation

Installation Preparation and Acoustic Considerations

Mechanical Requirements: Ductwork and Gas Piping

Gas Pipe Sizing and Installation Procedures

Details how to size gas piping and the correct installation procedures according to codes.

Condensate Drain Trapping

Electrical Requirements and Calculations

Supply Power Wiring Guidelines

Instructions for verifying power compatibility, sizing wiring, and installing disconnect switches.

Power Wire Sizing and Protection Device Equations

Provides equations and methods for calculating minimum circuit ampacity and maximum overcurrent protection.

Load Definitions and Single-Source Power Calculations

Defines load types and details calculations for single-source power units.

Electric Heat and Dual-Source Power Calculations

Outlines calculations for units with electric heat and dual-source power configurations.

Rigging and Placement Procedures

Proper Rigging Techniques

Details the use of spreader bars, cables, and lifting points to prevent damage during lifting.

Zone Sensor Installation

Wiring Guidelines and Safety

Provides crucial guidelines for low-voltage wiring and safety precautions related to electrical hazards.

Time Clock Installation and Operation

Remote Human Interface (RHI) Panel Installation

RHI Panel Mounting Procedures

Step-by-step instructions for removing the microprocessor, mounting the enclosure, and reassembling.

Wiring the Remote Human Interface

Field Wiring Connections and Safety

Explains the connection process for low voltage wiring and communication links, including safety warnings.

Installation Checklist and System Connections

Pre-Startup Checklist

Component and System Verification

Ensures proper installation and alignment of components like fans, motors, dampers, and energy wheels.

Unit Startup Procedures

Total Energy Wheel Seal Check and Startup Checklist

Details procedures for checking energy wheel seals and performing essential startup checks for fans and voltage.

Final Startup Checks and Unit Operation

Covers final operational checks, including compressor and fan performance, and unit startup guidance.

Unit Performance Log

Packaged Fresh Air Units with INTELLIPAK Controls

IntelliPak Unit Control Features

Overview of Fresh Air Unit Functions

Packaged FAU Operation Details

FAU Operation Without Reheat

Establishing Capacity Requirements

Air to Air Energy Recovery Operation

Supply Air Dehumidification Sequences

Drying, Cooling, and Heating Modes

Details the unit's behavior during drying, cooling, and heating modes, including occupied and unoccupied states.

Zone Dehumidification Sequences

Drying, Cooling, and Heating Modes with RH Reference

Details how drying, cooling, and heating modes function based on zone RH reference and occupied/unoccupied states.

Control Sequences of Operation

Sequence of Operation Modes and Features

Maintenance Procedures

Coil Cleaning Procedures

Provides step-by-step instructions for cleaning condenser coils, including safety precautions for chemicals and pressure.

Maintenance Procedures: Energy Wheel, Filters, and Drain Pan

Fan and Drive Maintenance

Fan Belt Tension Adjustment

Refrigerant System Maintenance and Safety

Periodic Maintenance Checklists

System Checks and Troubleshooting

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