Fedders Split System Air Conditioner User Manual

Installation, Operation and Maintenance
1.5 Through 5 Ton
Split System Air Conditioner
INTRODUCTION
..............................................................................1
NOTES TO INSTALLER ....................................................................1
RECOGNIZE SAFETY SYMBOLS, WORDS AND LABELS ................1
CODES ............................................................................................1
INSPECTION AND UNPACKING ......................................................1
INSTALLATION
Clearances ..........................................................................2
Support ..............................................................................2
Exposure ............................................................................2
Proximity to Evaporator....................................................2
ELECTRICAL CONNECTIONS ..........................................................2
SERVICE VALVE CONNECTIONS
Braze Joints ..............................................................................3
Evacuation
................................................................................3
Opening the Service Valve (Step Valve) ................................3
CONNECT REFRIGERANT PIPING ..................................................4
Precautions................................................................................4
Liquid Line Sizes
........................................................................4
Suction Line Sizes......................................................................4
SUBCOOLING CHARGING ............................................................5
OPERATION INSTRUCTIONS ..........................................................5
MAINTENANCE INSTRUCTIONS ....................................................5
CONDENSING UNIT NOMENCLATURE ..........................................6
LIMITED W
ARRANTY
....................................................................7
NOTE:
THESE INSTRUCTIONS ARE INTENDED AS AN AID TO QUALIFIED
SERVICE PERSONNEL FOR PROPER INSTALLATION, ADJUSTMENT
AND OPERATION OF THIS EQUIPMENT. READ THE ENTIRE
INSTRUCTION MANUAL THOROUGHLY BEFORE ATTEMPTING
INSTALLATION OR OPERATION.
TABLE OF CONTENTS

Fedders Split System Air Conditioner Specifications

General

Operating Frequency	60 Hz
Refrigerant	R-410A
Type	Split System
Cooling Capacity	Varies by model
Energy Efficiency Ratio (EER)	Varies by model
Operating Voltage	Varies by model
Indoor Unit Noise Level	Varies by model
Outdoor Unit Noise Level	Varies by model
Indoor Unit Dimensions	Varies by model
Outdoor Unit Dimensions	Varies by model
Indoor Unit Weight	Varies by model
Outdoor Unit Weight	Varies by model

Summary

Introduction and Installer Guidance

Installer Qualification and Compliance

Requires qualified personnel and adherence to all relevant codes for safe installation.

Understanding Safety Symbols and Warnings

Explains DANGER, WARNING, and CAUTION symbols to prevent injury or death.

Unit Inspection and Unpacking

Inspect for shipping damage and verify unit against rating plate information.

Condensing Unit Installation

Condensing Unit Location and Support

Covers placement, required clearances for airflow, and secure support base.

Exposure and Proximity Considerations

Addresses drainage, noise, exhaust fumes, and proximity to the evaporator.

Electrical Connections

Electrical Safety and Requirements

Emphasizes power shutoff, qualified electricians, and proper wiring/grounding.

Electrical and Service Valve Connections

Control Wiring and Final Connections

Covers control wire routing, connections, and final wiring checks.

Service Valve Brazing and Leak Checking

Details brazing procedures, use of silver rod, and leak-checking with dry nitrogen.

Open Flame Safety Precautions

Highlights need for fire extinguishers, safety glasses, and protective clothing when brazing.

Refrigerant Piping Installation

Refrigerant Piping Guidelines

Covers routing, support, insulation, oil traps, and riser considerations.

Line Set Sizing and Length Limits

Details liquid/suction line sizing charts and maximum allowable line lengths.

Line Set Purity and Preparation

Emphasizes using clean, grade copper tubing and purging with nitrogen for a clean system.

Charging, Checks, Operation, and Maintenance

Sub-Cooling Charging and TXV Adjustment

Procedure for sub-cooling charging, TXV adjustment, and using related charts.

Final Checks and Operation Instructions

Covers final wiring, valve checks, owner manual delivery, and thermostat settings.

Maintenance and Cleaning Safety

Advises on keeping the unit clean and safe electrical practices during maintenance.

Condensing Unit Nomenclature

Condensing Unit Model Number Breakdown

Explains the meaning of codes for product type, capacity, series, chassis, brand, and fittings.

Electrical and Refrigerant Designations

Details voltage, phase, frequency codes and refrigerant type codes (R-22, R-410A).

Limited Warranty Information

Warranty Coverage and Limitations

Specifies what is covered, exclusions, and limitations for the five-year warranty.

Warranty Void Conditions and Owner Responsibilities

Lists conditions that void the warranty and the owner's responsibilities for service.

Exclusions and Entire Warranty Statement

Details damage not covered, states the exclusive warranty, and disclaims consequential damages.