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TABLE OF CONTENTS
SAFETY CONSIDERATIONS 2...................
UNIT ARRANGEMENT AND ACCESS 3...........
SUPPLY FAN (BLOWER) SECTION 5.............
COOLING 6....................................
R−410A REFRIGERANT 8.......................
COOLING CHARGING CHARTS 10...............
CONVENIENCE OUTLETS 14....................
SMOKE DETECTORS 16........................
SENSOR AND CONTROLLER 16.................
INDICATORS 21................................
TROUBLESHOOTING 21........................
PROTECTIVE DEVICES 22......................
GAS HEATING SYSTEM 23......................
ECONOMIZER SYSTEMS 33....................
WIRING DIAGRAMS 42.........................
PRE START−UP 44.............................
START−UP, GENERAL 44.......................
OPERATING SEQUENCES 46...................
FASTENER TORQUE VALUES 47................
APPENDIX I. MODEL NUMBER SIGNIFICANCE 48
APPENDIX II. PHYSICAL DATA 49...............
APPENDIX III. FAN PERFORMANCE 51..........
APPENDIX IV. ELECTRICAL DATA 55............
APPENDIX V. MOTORMASTER SENSOR
LOCATIONS 57.................................
UNIT START-UP CHECKLIST 58.................
RGS Series
7.5 to 12.5 Ton
Package Gas/Electric Cooling Units
With R−410A Refrigerant
And Micro−channel Condenser Coils
Service and Maintenance Instructions
509 08 3601 00
06/14/10
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