To Next Page

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 6 — Making Piping Connections 4............................................................

Step 7 — Make Electrical Connections 4...........................................................

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

Step 9 — Install Accessories 8...................................................................

Step 10 — Start-- Up 8..........................................................................

Step 11 — System Functions and Sequence of Operation 10.............................................

Step 12 — Check Charge 11......................................................................

Step 13 — Pumpdown & Evacuation 15.............................................................

MAJOR COMPONENTS 16...........................................................................

TROUBLESHOOTING 17.............................................................................

FINAL CHECKS 22..................................................................................

CARE AND MAINTENANCE 22.......................................................................

PURONr REFRIGERANT QUICK REFERENCE GUIDE 22...............................................

Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.

Catalog No: 25

8 --- 5 S I

Replaces: 25VNA8---4SI

Carrier 25VNA8 User Manual

Questions and Answers: