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Specifications subject to change without notice.

Fig. 1 —Sizes 18K, 18K HH, 24K, 24K HH, 30K,

30K HH, 36K

Fig. 2 —Sizes 36K HH, 48K, 48K HH, 60K, 60K HH

NOTES: Read the entire instruction manual before starting the

installation. Images are for illustration purposes only.

Actual models may differ slightly. HH Denotes High Heat

Models.

TABLE OF CONTENTS

PAGE

SAFETY CONSIDERATIONS........................................................2

MODEL NUMBER AND ACCESSORIES.....................................3

DIMENSIONS..................................................................................4

CLEARANCES ................................................................................8

INSTALLATION REQUIREMENTS .............................................9

INSTALLATION .............................................................................9

Step 1 - Check Equipment ................................................................9

Step 2 - Mount Unit ..........................................................................9

Step 3 - Condensate Drain Installation .............................................10

Step 4 - Operating Ambient..............................................................10

Step 5 - Refrigerant Piping Connections ..........................................10

Step 6 - Electrical Connections - Dip Switch Configuration............13

Step 7 - Evacuate Coil And Tubing System .....................................15

ELECTRICAL DATA......................................................................16

24V CONNECTION DIAGRAMS ..................................................16

START-UP .......................................................................................18

CARE AND MAINTENANCE........................................................18

TROUBLESHOOTING ...................................................................18

OUTDOOR UNIT DIAGNOSTIC GUIDES ...................................19

CROSSOVER SOLUTIONS............................................................20

Installation Instruction

38MURA

Residential Single Zone Heat Pump System

Sizes 18 to 60

Carrier 38MURA Installation Instructions

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