1
38AUD
Air Cooled Condensing Units
50 Hz
With Puron
R
(R---410A) Refrigerant
S i z e s 0 7 --- 1 4
Installation, Start---Up
and Service Instructions
CONTENTS
SAFETY CONSIDERATIONS 2....................
INSTALLATION GUIDELINES 2..................
Replacement/Retrofit — R--22 to Puron 2...........
INSTALLATION 10 - 21.........................
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 1 1...
Step 6 -- Install Accessories 18....................
Step 7 -- Complete Electrical Connections 18.........
PRE-START-UP 22...............................
System Check 22...............................
Turn On Crankcase Heater 22.....................
Preliminary Charge 22...........................
START--UP 22 - 30..............................
Preliminary Checks 22...........................
Start Unit 23...................................
OPERATING SEQUENCE 31......................
Indoor (Supply) Fan 31..........................
Cooling, Unit Without Economize r 31..............
Cooling, Unit With Economizer 31.................
Heating 31....................................
ROUTINE SYSTEM MAINTENANCE 32............
Quar ter ly Insp ection (and 30 days after initial start) 32...
Seasonal Maintenance 32........................
SERVICE 32 - 41................................
Refrigeration Syste m 32.........................
Compressor Oil 32..............................
Servicing Systems on Roofs with
Synthetic Materials 32...........................
Liquid Line Filter Drier 33.......................
Filed Refrigerant Access Ports 33..................
Factory High--Flow Access Ports 33................
Comfort Alert Diagnostic Module 34...............
Compressor Protection 36........................
Crankcase Heater 36............................
Low--Pressure Switch 36.........................
High--Pressure Switch 36.........................
Outdoor Fans 36................................
Lubrication 36.................................
Coil Type Identification 39.......................
N OVAT I O N t Coil Cleaning and Maintenance 39.....
Repai ring NOVATION Condenser Tube Leaks 39.....
Repla cing NOVATION Condenser Coil 39...........
Routine Cleaning of Round-Tube Plate Fin
(RTPF) Coils 40................................
Fastener Torque Values 41........................
TROUBLESHOOTING 41 -- 42.....................
APPENDIX A
Air Conditioner & Heat Pump with Puron
R
—
Quick Reference Guide 43.........................
APPENDIX B
Wiring Diagram List 43...........................
APPENDIX C
Low Ambient Option — Factory Installed 44..........
START--UP CHECKLIST 49 -- 50...................
To Next Page
Need help?
General
