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569J
AIR--COOLED CONDENSING UNITS
60 Hz, with PURON
R
(R--410A) REFRIGERANT
SIZES 07--14
Installation, Start--Up and
Service Instructions
CONTENTS
SAFETY CONSIDERATIONS 2....................
INSTALLATION GUIDELINES 2..................
Replacement/Retrofit — R--22 to Puron 2...........
INSTALLATION 10 -- 23.........................
Jobsite Survey 10...............................
Step 1 -- Plan for Unit Location 10.................
Step 2 -- Complete Pre--Installation Checks 10........
Step 3 -- Prepare Unit Mounting Support 10..........
Step 4 -- Rig and Mount the Unit 10................
Step 5 -- Complete Refrigerant Piping Connections 11...
Step 6 -- Install Accessories 17....................
Step 7 -- Complete Electrical Connections 17.........
PRE-START-UP 24...............................
System Check 24...............................
Turn On Crankcase Heater 24.....................
Preliminary Charge 24...........................
START--UP 24 -- 35..............................
Preliminary Checks 24...........................
Start Unit 25...................................
OPERATING SEQUENCE 36......................
Indoor (Supply) Fan 36..........................
Cooling, Unit Without Economizer 36..............
Cooling, Unit With Economizer 36.................
Heating 36....................................
ROUTINE SYSTEM MAINTENANCE 37............
Quarterly Inspection (and 30 days after initial start) 37...
Seasonal Maintenance 37........................
SERVICE 37 -- 46................................
Refrigeration System 37.........................
Compressor Oil 37..............................
Servicing Systems on Roofs with
Synthetic Materials 37...........................
Liquid Line Filter Drier 38.......................
Filed Refrigerant Access Ports 38..................
Factory High--Flow Access Ports 38................
Comfort Alert Diagnostic Module 39...............
Compressor Protection 41........................
Crankcase Heater 41............................
Low--Pressure Switch 41.........................
High--Pressure Switch 41.........................
Outdoor Fans 41................................
Lubrication 41.................................
Coil Type Identification 44.......................
N O VAT I O N tCoil Cleaning and Maintenance 44.....
Repairing NOVATION Condenser Tube Leaks 44.....
Replacing NOVATION Condenser Coil 45...........
Routine Cleaning of Round-Tube Plate Fin
(RTPF) Coils 45................................
Fastener Torque Values 46........................
TROUBLESHOOTING 46 -- 47.....................
APPENDIX A
Air Conditioner & Heat Pump with Puron
R
—
Quick Reference Guide 48.........................
APPENDIX B
Wiring Diagram List 48...........................
APPENDIX C
Low Ambient Option — Factory Installed 49..........
START--UP CHECKLIST 55 -- 56...................