Carrier 25HCR installation instructions Table Of Contents, Installation Recommendations

Models: 25HCR

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25HCR

25HCR

COMFORTt SERIES R---22 HEAT PUMPS

SIZES 18 TO 60

1---1/2 TO 5 NOMINAL TONS

Installation Instructions

TABLE OF CONTENTS

PAGE

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

INSTALLATION RECOMMENDATIONS . . . . . . . . . . . . . 2

INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 10

Step 1 - Check Equipment & Jobsite . . . . . . . . . . . . . . . 3

Step 2 - Install on Solid Pad . . . . . . . . . . . . . . . . . . . . . . 3

Step 3 - Clearance Requirements . . . . . . . . . . . . . . . . . . 3

Step 4 - Operating Ambient . . . . . . . . . . . . . . . . . . . . . . 3

Step 5 - Install TXV . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 4

Step 6 - Check Defrost Thermostat . . . . . . . . . . . . . . . . . 4

Step 7 - Make Piping Connections . . . . . . . . . . . . . . 4 - 6

Step 8 - Make Electrical Connections . . . . . . . . . . . . 6 - 7

Step 9 - Compressor Crankcase Heater . . . . . . . . . . . . . 7

Step 10 - Install Electrical Accessories . . . . . . . . . . . . . . 7

Step 11 - Start-Up . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 - 9

Step 12 - Check Charge . . . . . . . . . . . . . . . . . . . . . . . . . 10

Step 13 - Final Checks . . . . . . . . . . . . . . . . . . . . . . . . . . 10

CARE AND MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . 10

A05341

Fig. 1 ---25HCR

NOTE: Read the entire instruction manual before starting the installation.

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Carrier 25HCR installation instructions Table Of Contents, Installation Recommendations, Installation Instructions