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Installation Instructions

25VNA8

Infinityr 18VS Variable Speed Heat Pump

with Puronr Refrigerant

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

TABLE OF CONTENTS

PAGE NO.

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

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

INSTALLATION 3..................................................................................

Step 1 — Check Equipment and Job site 3..........................................................

Step 2 — Install on Solid, Level Mounting Pad 3....................................................

Step 3 — Clearance Requirements 4...............................................................

Step 4 — Operating Ambient 4..................................................................

Step 5 — Elevate Unit 4........................................................................

Step 7 — Making Piping Connections 4............................................................

Step 8 — Make Electrical Connections 6...........................................................

Step 9 — Compressor Internal Crankcase Heater 8...................................................

Step 10 — Install Accessories 8...................................................................

Step 11 — Start-- Up 8..........................................................................

Step 12 — System Functions and Sequence of Operation 9.............................................

Step 13 — Check Charge 11......................................................................

Step 14 — Pumpdown & Evacuation 14.............................................................

MAJOR COMPONENTS 15...........................................................................

TROUBLESHOOTING 16.............................................................................

FINAL CHECKS 21..................................................................................

CARE AND MAINTENANCE 21.......................................................................

PURONr REFRIGERANT QUICK REFERENCE GUIDE 21...............................................

Carrier Infinity 25VNA8 Installation Instructions

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