Carrier 38MAQB18R-3 User Manual

20 pages

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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

Questions and Answers:

General