Carrier 38C Series User Manual

Subject to change without notice
Installation, Operation and Maintenance Manual
Manufacturer’s Name: Saudi Airconditioning Manufacturing Co. Ltd.
Country of origin : Jeddah, Saudi Arabia
Nearest port of embarkation: Jeddah Islamic port
Product classification: Commercial and Residential
38C – 50Hz
Nominal Cooling Capacity 1.5 – 5.0 Tons
HFC R
-410A Refrigerant
The 38C series energy efficient split top discharge condensing units incorporate innovative technology to provide
reliable summer cooling performance. The units are pre-wired, pre-charged with Puron® R-410A refrigerant, and
tested at the factory, designed to occupy a minimal space. These units are matched with Carrier direct expansion fan
coil units that provides economical performance now and in the future.
Contact your local Carrier representative for additional support.
38C Top Discharge Condensing Units – 50Hz
Quality Assurance
Certificate Reg. No:
04 100 950420
Page 1

Carrier 38C Series Specifications

General

Brand	Carrier
Model	38C Series
Category	Air Conditioner
Language	English

Summary

SAFETY CONSIDERATIONS

General Safety Precautions

General safety precautions for installation, service, and unit use.

Installation Safety Guidelines

Specific safety guidelines for unit installation and handling procedures.

Warranty Information

Details on warranty coverage and the impact of modifications.

Physical Data and Specifications

Base Unit Dimensions and Drawings

Combination Matrix and Ratings

Electrical Data Specifications

Typical Wiring Schematic Diagrams

Installation Procedures

Unit Un-Packing Instructions

Procedures for safely removing the unit from its packaging.

Installation Recommendations

Guidelines for optimal unit placement and installation practices.

Unit Start-Up Guide

Preliminary Checks Before Start-Up

Pre-start checks for internal wiring, power, and service valves.

Sequence of Operation Explained

Step-by-step process of unit operation during cooling mode.

Service and Repair Procedures

Pump down Procedure

Steps to safely isolate refrigerant for system repairs.

Filter Drier Replacement

Information on the filter drier and its proper replacement.

Maintenance and Cleaning

Coil Cleaning Instructions

Instructions for cleaning condenser and evaporator coils.

Refrigerant Leak Detection

Methods for checking refrigerant system for leaks.

R-410A Refrigerant Quick Reference Guide

Air Conditioner Troubleshooting Chart

MANDATORY START-UP CHECK LIST AND RECORD

Preliminary Information Recording

Basic unit and project identification details.

Pre-Start-Up Checklist Details

Checklist for critical pre-start checks on outdoor and indoor units.

Unit Start-Up Checklist

Checklist for verifying unit operation and recording performance data.

Long-Line Guideline - Safety Considerations

Safety Warnings for Technicians and Users

General and specific safety warnings for technicians and users.

Glossary of Terms

Glossary of terms used in the guideline.

Introduction to Long Line Applications

Long Line System General Limitations

Tubing and Fitting Losses in Long Lines

Long Line Metering Device Requirements

Heat Pump Piston Sizing for Long Lines

General Requirements for Long Line Applications