Carrier 52M Performance Series User Manual

52M Performancet Serie s
P ackaged Terminal Air Conditioner / Heat Pump
7,000 --- 15,000 Bt uh
Installation and Operating
Instructions
A07228
NOTE T O EQUIPMENT OWNER:
Thank you for purchasing a Carrier PTAC. Please read this Owner’s Information Manual carefully
before installing and using this applianc e. Keep this manual for future reference.
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 INFORMA TION
Model # ________________________________
Serial # ________________________________
INSTALLA TION INFORMA TION
Date Installed ___________________________
DEALERSHIP CONTACT INFORMATION
Company Name: __________________________________
Address: _________________________________________
_________________________________________________
Phone Number: ________________________________
Technician Name: _________________________________
_________________________________________________

Carrier 52M Performance Series Specifications

General

Model	52M Performance Series
Refrigerant	R-410A
Sound Level	As low as 72 dB
Type	Air Conditioner
Cooling Capacity	1.5 to 5 tons
Compressor Type	Single-stage or Two-stage
Cooling Stages	1 or 2
Warranty	10-year parts limited warranty upon timely registration
Dimensions	Varies by model; Refer to product data sheet
Weight	Varies by model
Airflow	Variable

Summary

Safety Precautions and Warnings

Understanding Safety Signal Words

Explains DANGER, WARNING, CAUTION, and NOTE meanings for hazard awareness.

General Product Information

Pre-Installation Guidelines and Records

Advises reading instructions, saving them for inspectors, and recording unit information.

Key Unit Features Overview

Advanced Operational Features

Details Intelligence, Memory, Premium Sound, Compressor Protection, and Freeze Protection functions.

Electrical Specifications and Connections

Power Supply, Wiring, and Grounding

Covers power cord options, wire gauge, voltage, grounding, and cord protection for safe installation.

Unit Installation Procedures

Chassis Installation and Sleeve Fitment

Instructions for installing the unit chassis, including compatibility with various retrofit wall sleeves.

Retrofit Sleeve Preparation Steps

Guidance on preparing existing wall sleeves, including GE specific instructions and using non-Carrier grilles.

Installing Unit into Wall Sleeve

Detailed steps for carefully removing the unit from packaging and securing it into the wall sleeve.

Connecting the Unit

Electrical Connection Steps

Step-by-step guide for connecting the unit's power supply, including junction box procedures and power connection charts.

System Configuration Settings

Ventilation and Airflow Direction Control

Instructions for setting the ventilation lever and adjusting the air discharge louvers for optimal airflow.

Dip Switch Functionality

Explanation of dip switch locations and their functions for unit configuration, including default settings.

Keypad Configuration and Display Options

Details on accessing and modifying unit settings via the keypad, including temperature display and sensor biasing.

Auxiliary Control Options

Wall Thermostat Wiring Guide

Procedures for wiring a wall thermostat to the unit, including routing and connection details.

Terminal Connections and Self-Diagnostics

Explains terminal designations and the unit's self-checking diagnostic system for troubleshooting.

Unit Operation and Controls

Control Panel Overview

Overview of the unit's control panel buttons and their functions for temperature, fan speed, mode, and power.

Care and Cleaning Procedures

Maintenance: Cleaning Key Components

Instructions for cleaning external surfaces, outdoor coil, and importantly, the air filters to maintain efficiency.

Preventative Maintenance Schedule

Troubleshooting Common Issues

Troubleshooting: Unit Fails to Start

Common causes and solutions for when the unit fails to start, including power, fuses, and protection modes.

Troubleshooting: Cooling and Heating Problems

Addresses issues with unit not cooling or heating, such as blocked airflow, incorrect settings, dirty filters, or compressor delays.

Troubleshooting: Display, Noise, and Water

Covers troubleshooting for strange display characters, unit noises, and water dripping problems.

Troubleshooting: Ice and Compressor Issues

Explains causes for ice on indoor coils and solutions, along with compressor protection mechanisms like random restart delay.