Carrier 38MAQB30R-3 - User Manual

Specifications subject to change without notice.
Fig. 1 —Sizes 9K to 36K
NOTES: Read the entire instruction manual before starting the
installation.
Images are for illustration purposes only. Actual
models may differ slightly.
TABLE OF CONTENTS
PAGE
SAFETY CONSIDERATIONS........................................................2
INTRODUCTION ............................................................................3
ACCESSORIES................................................................................3
DIMENSIONS..................................................................................4
CLEARANCES ................................................................................7
INSTALLATION REQUIREMENTS .............................................8
INSTALLATION .............................................................................8
Step 1 - Check Equipment ................................................................8
Step 2 - Mount Unit ..........................................................................8
Step 3 - Condensate Drain Installation .............................................9
Step 4 - Refrigerant Piping ...............................................................10
Step 5 - Evacuate Coil And Tubing System .....................................13
Step 6 - Electrical Connections.........................................................14
WIRING ...........................................................................................14
ELECTRICAL DATA......................................................................15
CONNECTION DIAGRAMS ..........................................................15
START-UP .......................................................................................16
CARE AND MAINTENANCE........................................................16
TROUBLESHOOTING ...................................................................16
OUTDOOR UNIT DIAGNOSTIC GUIDES ...................................17
DUCTLESS START-UP CHECKLIST ...........................................18
Installation Instructions
38MA*R
Outdoor Unit Single Zone Ductless System
Sizes 09 to 36

Summary

Safety Considerations

Clearances and Spacing Requirements

Installation Prerequisites

Outdoor Unit Installation Steps

Check Equipment Upon Arrival

Unpacking and inspecting the unit for damage and verifying job specifications.

Mounting the Outdoor Unit

Refrigerant Piping Procedures

Detailed steps for measuring, cutting, flaring, and connecting refrigerant lines.

Evacuating the Refrigerant System

Methods for achieving a deep vacuum to remove air and moisture.

Electrical Connections for Outdoor Unit

Steps for connecting power supply and communication wiring to the unit.

Electrical Data and Wiring Diagrams

Wiring Connection Diagrams

System Start-Up Procedures

Troubleshooting Common Issues

Outdoor Unit Diagnostic Codes

Ductless Start-Up Checklist

Piping and Evacuation Checks

Carrier 38MAQB30R-3 Specifications