280ANV EVOLUTIONREXTREME

VARIABLE SPEED HEAT PUMP

WITH PURONrREFRIGERANT

(2 -- 5 Ton)

Installation Instructions

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

TABLE OF CONTENTS

PAGE NO.
SAFETY CONSIDERATIONS 2...................................................................
INSTALLATION RECOMMENDATIONS 3........................................................
INSTALLATION 3--11...........................................................................
Step 1 — Check Equipment and Jobsite 4...........................................................
Step 2 — Install on Solid Pad 4...................................................................
Step 3 — Clearance Requirements 4...............................................................
Step 4 — Operating Ambient 4...................................................................
Step 5 — Elevate Unit 4........................................................................
Step 6 — Liquid Line Solenoid Valve (LSV) 4.......................................................
Step 7 — Making Piping Connections 5--6..........................................................
Step 8 — Make Electrical Connections 7...........................................................
Step 9 — Compressor Crankcase Heater 7..........................................................
Step 10 — Install Accessories 8...................................................................
Step 11 — Start--Up 8..........................................................................
Step 12 — System Functions and Sequence of Operation 8--10...........................................
Step 13 — Check Charge 10--11...................................................................
Step 14 — Pumpdown & Evacuation 11............................................................
MAJOR COMPONENTS 12..........................................................................
TROUBLESHOOTING 12--17..........................................................................
FINAL CHECKS 18.................................................................................
CARE AND MAINTENANCE 18......................................................................
PURONrREFRIGERANT QUICK REFERENCE GUIDE 18..............................................