Carrier 38BC User Manual

38BC / 38BCS / 38BH
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R-410A
INSTALLATION MANUAL

Carrier 38BC Specifications

General

Brand	Carrier
Model	38BC
Category	Air Conditioner
Language	English

Summary

Installer and Service Technician Attention

Unit Dimensions and Weight

Refrigerant Line Connections

Minimum Installation Clearances

Operating Limits and Voltage

System Refrigerant Charge

General Unit Information

Installation Site Selection

Installation Warnings and Avoidances

Refrigerant Connection Procedures

Flaring Tubing Ends

Detailed instructions for flaring copper tube ends for refrigerant connections.

Connecting to the Unit

Guidance on connecting refrigerant lines to the unit, including tightening torques.

Air Purging Process

Steps for purging air from the refrigerant piping using a vacuum pump.

Electrical Connections Overview

Electrical Data and Wiring

Pump Down and Refrigerant Charge Check

Pump-Down Operation

Procedure for collecting all system refrigerant in the outdoor unit before disconnection.

Checking Refrigerant Charge

Methods for checking and charging refrigerant after leaks or component replacement.

Maintenance, Troubleshooting, and Owner Guide

Unit Maintenance

Operations for cleaning the unit coil, to be performed by qualified personnel.

Troubleshooting Common Issues

Diagnosing and resolving problems with compressor, fan, and system operation.

Guide for the Owner

Instructions for the owner on operation, maintenance, and remote control functions.

38BCS Series Installation Supplement

Operating Range and Features

Details on operating range, specific features like HPC, LRPS, and high pressure cut-out.

Head Pressure Controller (HPC) Configuration

Explanation of the HPC system, its configuration, operation modes, and temperature settings.