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Installation Instructions
25HBA
BASET SERIES PURONR REFRIGERANT HEAT PUMPS
SIZE S 018 T O 060
1 1/2 TO 5 NOMINAL T ONS
A05341
Fig. 1 -- 25HBA Standard Grille Unit
NOTE:Read the entire instruction manual before starting the
installation.
TABLE OF CONTENTS
Page
Safety Considerations 2...............................
Installation Recommendations 2........................
Installation 3--12....................................
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 -- Elevate Unit 3...........................
Step 6 -- Install TXV 3 -- 4.........................
Step 7 -- Check Defrost Thermostat 4.................
Step 8 -- Make Piping Connections 5 -- 8..............
Step 9 -- Make Electrical Connections 8 -- 9............
Step 10 -- Compressor Crankcase Heater 9.............
Step 11 -- Install Electrical Accessories 9..............
Step 12 -- Start-- Up 9 -- 11..........................
Step 13 -- Check Charge 12.........................
Step 14 -- Final Checks 12..........................
Care and Maintenance 12.............................
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