Carrier INFINITY 48XL-A User Manual

1
48XL---A
Infinityr 15 SEER
Single Packaged Air Conditioner and
Gas Furnace System with PuronR (R ---410A) Refrigerant
Owner’s Information Manual
A09032
Fig. 1 -- Unit 48XL--A
NOTE TO EQUIPMENT OWNER:
For your convenience, please record the model and serial numbers of your new equipment in the spaces
provided. This information, along with the installation data and dealer contact information, will be helpful
should your system require maintenance or service.
UNIT INFORMATION
Model # _____________________________________
Serial # ______________________________________
ACCESSORIES (List type and model #)
_____________________________________________
_____________________________________________
_____________________________________________
INSTALLATION INFORMATION
Date Installed ________________________________
DEALERSHIP CONTACT INFORMATION
Company Name_______________________________
Address______________________________________
_____________________________________________
Phone Number _______________________________
Technician Name _____________________________
_____________________________________________
NOTE TO INSTALLER:
This manual must be left with the equipment owner.

Carrier INFINITY 48XL-A Specifications

General

Model	48XL-A
ENERGY STAR® certified	Yes
SmartSense™ Technology	Yes
Phase	1
Type	Air Conditioner
Energy Efficiency Ratio (EER)	Up to 13 EER
Voltage	208/230V
Warranty	10-Year Limited Warranty on Compressor, 10-Year Limited Parts Warranty when registered

Summary

Safety Considerations

General Safety and Hazard Warnings

Covers general safety precautions, hazard identification using signal words, and specific warnings for fire, explosion, and electrical hazards.

Unit Introduction and Operation

Unit Overview

Provides an overview of the 48XL-A unit's capabilities and features.

Starting and Shutting Down Gas Heat

Step-by-step instructions for initiating and stopping the unit's gas heating function.

Starting Electric Cooling

Procedure for activating the unit's electric cooling mode.

Shutting Down Electric Cooling

Unit Modes and Maintenance

Unit Operation Modes

Explains how the unit operates in both cooling and gas heating modes.

Routine Maintenance Overview

Details on routine maintenance tasks and the importance of professional servicing by a dealer.

Owner Maintenance and Care

Air Filter Replacement and Care

Guidance on checking, cleaning, and replacing air filters for optimal unit performance.

Component Maintenance Checks

Covers periodic checks for fan motors, coils, condensate drains, and compressor oil.

System Checks and Troubleshooting

Condenser Fan and Safety

Information on the condenser fan, its obstructions, and safety warnings regarding its operation.

Electrical and Refrigerant Systems

Guidance on checking electrical controls, wiring, and refrigerant circuits for proper function.

Unit Panel Security and Airflow

Ensuring panels are securely fastened to maintain airflow and prevent rain ingress.

Comprehensive Dealer Inspection Checklist

List of essential inspection points for regular dealer maintenance to ensure unit performance.

Warranty Information and Service Readiness

Details on the unit's warranty coverage and pre-service checks for common issues.

Troubleshooting Common Operational Issues

Steps to resolve common heating and cooling issues before contacting a dealer.