Carrier 48XT-A User Manual

to the expe_
Owner's Information Manual
Fig. 1 - Unit 48XT-A
NOTE TO EQUIPMENT OWNER:
For your convenience, please record the model and serial numbers of your new equipment in the spaces
)rovided. 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 48XT-A Specifications

General

Model	48XT-A
Refrigerant	R-410A
Compressor Type	Scroll
Voltage	208/230V or 460V (depending on specific model)
Phase	3
Sound Level	As low as 72 dB
Dimensions	Varies with model
Type	Packaged Air Conditioner

Summary

Safety Considerations

General Safety Warnings

Covers fire, explosion, shock, cut hazards, and water damage.

Gas and Electrical Safety

Specific warnings for electrical shock and gas hazards.

Unit Introduction

Hybrid Heat System

Explains the Hybrid Heat system, efficiency, and comfort.

Starting and Shutting Off Unit

Details procedures for starting and shutting down the unit.

Unit Operation Procedures

Starting Unit Gas Heat

Step-by-step guide for starting the unit's gas heating function.

Shutting Off Unit Gas Heat

Step-by-step guide for shutting down the unit's gas heating function.

Starting Unit Electric Cooling

Step-by-step guide for starting the unit's electric cooling function.

Shutting Off Unit Electric Cooling

Step-by-step guide for shutting down the unit's electric cooling function.

Operating Your Unit

Cooling Mode Operation

Details how the unit operates in cooling mode.

Hybrid Heating Mode Operation

Explains how the unit uses heat pump and gas heat.

Maintenance and Service

Routine Maintenance

Covers checks like fan wheels, coils, and condensate drains.

Maintenance for Owner

Guidance for owners on minor maintenance tasks.

Air Filters

Instructions for checking and replacing air filters.

Regular Dealer Maintenance

Annual Inspection Checklist

List of items to be inspected annually by a service technician.

Warranty Certificate

Information regarding the unit's limited warranty.

Troubleshooting Common Issues

Guides for diagnosing and resolving common heating/cooling problems.