Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Catalog No. 04-53581019-01
Printed in U.S.A.
Form SM581J-4-14-02
Pg 1
8-19
Replaces: SM581J-4-14-01
Service and Maintenance Instructions
CONTENTS
SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . . 2
UNIT ARRANGEMENT AND ACCESS . . . . . . . . . . . . . . 3
Routine Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Outside Air Hood. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
SUPPLY FAN (BLOWER) SECTION . . . . . . . . . . . . . . . . 4
Supply Fan (Direct-Drive) . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Supply Fan (Belt-Drive) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Belt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
STAGED AIR VOLUME CONTROL — 2 SPEED FAN
WITH VARIABLE FREQUENCY DRIVE (VFD) . . . . 7
Unit Installation with 2-Speed Indoor Fan Motor System
Option . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
ADDITIONAL VARIABLE FREQUENCY DRIVE (VFD)
INSTALLATION AND TROUBLESHOOTING . . . . . 8
MOTOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Replacing the Motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Changing Fan Wheel Speed . . . . . . . . . . . . . . . . . . . . . . . . . 9
REMOTE VFD KEYPAD REFERENCE. . . . . . . . . . . . . . 9
Condenser Coil Maintenance and Cleaning
Recommendation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
TXV Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Puron® (R-410A) REFRIGERANT . . . . . . . . . . . . . . . . . 15
COMPRESSOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Compressor Rotation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
CONVENIENCE OUTLETS . . . . . . . . . . . . . . . . . . . . . . . 20
Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Smoke Detector Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Smoke Detector Locations . . . . . . . . . . . . . . . . . . . . . . . . . 22
Completing Installation of Return Air Smoke
Detector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
FIOP Smoke Detector Wiring and Response . . . . . . . . . . 23
SENSOR AND CONTROLLER TESTS . . . . . . . . . . . . . 24
Sensor Alarm Test. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Dirty Sensor Test. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Remote Station Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Dirty Sensor Test Using an SD-TRK4. . . . . . . . . . . . . . . . 26
Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Relief Device. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Control Circuit, 24-V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
GAS HEATING SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . 28
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Fuel Types and Pressures . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Flue Gas Passageways. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Combustion-Air Blower . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Burners and Igniters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Removing the Heat Exchanger. . . . . . . . . . . . . . . . . . . . . . 31
Burner Ignition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Orifice Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Troubleshooting Heating System. . . . . . . . . . . . . . . . . . . . 41
RTU Open Control System . . . . . . . . . . . . . . . . . . . . . . . . 42
ECONOMIZER SYSTEMS . . . . . . . . . . . . . . . . . . . . . . . . 42
EconoMi$er IV Standard Sensors . . . . . . . . . . . . . . . . . . . 48
EconoMi$er IV Control Modes . . . . . . . . . . . . . . . . . . . . . 48
EconoMi$er IV Preparation. . . . . . . . . . . . . . . . . . . . . . . . 51
Differential Enthalpy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Exhaust . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
DCV Minimum and Maximum Position . . . . . . . . . . . . . . 52
Supply-Air Sensor Input. . . . . . . . . . . . . . . . . . . . . . . . . . . 52
PRE-START-UP/START-UP . . . . . . . . . . . . . . . . . . . . . . 66
Additional Installation/Inspection . . . . . . . . . . . . . . . . . . . 66
Gas Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Return-Air Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Outdoor-Air Inlet Screens . . . . . . . . . . . . . . . . . . . . . . . . . 67
Refrigerant Service Ports . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Compressor Rotation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Preferred™ Series
581J04-14
Single Package Rooftop Gas Heat/Electric Cooling Unit
with Puron
®
(R-410A) Refrigerant
Содержание Preferred 581J04-14
Страница 36: ...36 Fig 60 Integrated Gas Control IGC Board RED LED STATUS ...
Страница 44: ...44 Fig 65 RTU Open Overlay for Economizer Wiring ...
Страница 45: ...45 Fig 66 VFD Overlay for W2770 Controller Wiring ...
Страница 96: ...96 Fig B 581J 04 06 YAC Control Diagram 208 1 60 208 230 3 60 460 575 3 60 APPENDIX D WIRING DIAGRAMS ...
Страница 99: ...99 Fig E 581J 07A B C YAC Control Diagram 208 230 3 60 460 575 3 60 APPENDIX D WIRING DIAGRAMS ...
Страница 100: ...100 Fig F 581J 08 09 YAC Control Diagram 208 230 3 60 460 575 3 60 APPENDIX D WIRING DIAGRAMS ...
Страница 101: ...101 Fig G 581J 11YAC Control Diagram 208 230 3 60 460 575 3 60 APPENDIX D WIRING DIAGRAMS ...
Страница 102: ...102 Fig H 581J 12 YAC Control Diagram 208 230 3 60 460 575 3 60 APPENDIX D WIRING DIAGRAMS ...
Страница 103: ...103 Fig I 581J 04 06 YAC Power Diagram 208 230 1 60 APPENDIX D WIRING DIAGRAMS ...
Страница 104: ...104 Fig J 581J 04 06 YAC Power Diagram 208 230 3 60 460 3 60 APPENDIX D WIRING DIAGRAMS ...
Страница 105: ...105 Fig K 581J 04 06 YAC Power Diagram 575 3 60 APPENDIX D WIRING DIAGRAMS ...
Страница 106: ...106 Fig L 581J 07 12D F YAC Power Diagram 208 230 3 60 460 3 60 6 Ton 2 Stage with Cooling APPENDIX D WIRING DIAGRAMS ...
Страница 108: ...108 Fig N 581J 07 12A B C YAC Power Diagram 208 230 3 60 460 3 60 APPENDIX D WIRING DIAGRAMS ...
Страница 109: ...109 Fig O 581J 07 12A B C YAC Power Diagram 575 3 60 APPENDIX D WIRING DIAGRAMS ...
Страница 110: ...110 Fig P 581J 08 09 YAC Power Diagram 230 460 3 60 APPENDIX D WIRING DIAGRAMS ...
Страница 111: ...111 Fig Q 581J 08 09 YAC Power Diagram 575 3 60 APPENDIX D WIRING DIAGRAMS ...
Страница 112: ...112 Fig R 581J 11 YAC Power Diagram 208 230 3 60 APPENDIX D WIRING DIAGRAMS ...
Страница 113: ...113 Fig S 581J 11 YAC Power Diagram 460 3 60 APPENDIX D WIRING DIAGRAMS ...
Страница 114: ...114 Fig T 581J 11 YAC Power Diagram 575 3 60 APPENDIX D WIRING DIAGRAMS ...
Страница 115: ...115 Fig U 581J 12 YAC Power Diagram 230 460 3 60 APPENDIX D WIRING DIAGRAMS ...
Страница 116: ...116 Fig V 581J 12 YAC Power Diagram 575 3 60 APPENDIX D WIRING DIAGRAMS ...
Страница 117: ...117 Fig W 581J 14 YAC Control Diagram 208 230 3 60 460 575 3 60 APPENDIX D WIRING DIAGRAMS ...
Страница 118: ...118 Fig X 581J 14 YAC Power Diagram 208 230 3 60 APPENDIX D WIRING DIAGRAMS ...
Страница 119: ...119 Fig Y 581J 14 YAC Power Diagram 460 3 60 APPENDIX D WIRING DIAGRAMS ...
Страница 120: ...120 Fig Z 581J 14 YAC Power Diagram 575 3 60 APPENDIX D WIRING DIAGRAMS ...
Страница 121: ...121 Fig AA 581J 04 06 YAC Control Diagram 230 1 60 230 460 575 3 60 with Dehumidification APPENDIX D WIRING DIAGRAMS ...
Страница 122: ...122 Fig AB 581J 07A B C YAC Control Diagram 230 1 60 230 460 575 3 60 with Dehumidification APPENDIX D WIRING DIAGRAMS ...
Страница 123: ...123 Fig AC 581J 08 09 YAC Control Diagram 230 460 575 3 60 with Dehumidification APPENDIX D WIRING DIAGRAMS ...
Страница 124: ...124 Fig AD 581J 11 YAC Control Diagram 230 1 60 230 460 575 3 60 with Dehumidification APPENDIX D WIRING DIAGRAMS ...
Страница 125: ...125 Fig AE 581J 12 YAC Control Diagram 230 460 575 3 60 with Dehumidification APPENDIX D WIRING DIAGRAMS ...
Страница 126: ...126 Fig AF 581J 04 06 YAC Power Diagram 208 230 1 60 with Perfect Humidity System APPENDIX D WIRING DIAGRAMS ...
Страница 127: ...127 Fig AG 581J 04 06 YAC Power Diagram 230 460 3 60 with Perfect Humidity System APPENDIX D WIRING DIAGRAMS ...
Страница 128: ...128 Fig AH 581J 04 06 YAC Power Diagram 575 3 60 with Perfect Humidity System APPENDIX D WIRING DIAGRAMS ...
Страница 129: ...129 Fig AI 581J 07A B C YAC Power Diagram 230 460 3 60 with Perfect Humidity System APPENDIX D WIRING DIAGRAMS ...
Страница 130: ...130 Fig AJ 581J 07A B C YAC Power Diagram 575 3 60 with Perfect Humidity System APPENDIX D WIRING DIAGRAMS ...
Страница 131: ...131 Fig AK 581J 08 09 YAC Power Diagram 230 460 3 60 with Perfect Humidity System APPENDIX D WIRING DIAGRAMS ...
Страница 132: ...132 Fig AL 581J 08 09 YAC Power Diagram 575 3 60 with Perfect Humidity System APPENDIX D WIRING DIAGRAMS ...
Страница 133: ...133 Fig AM 581J 11 YAC Power Diagram 208 230 3 60 with Perfect Humidity System APPENDIX D WIRING DIAGRAMS ...
Страница 134: ...134 Fig AN 581J 11 YAC Power Diagram 460 3 60 with Perfect Humidity System APPENDIX D WIRING DIAGRAMS ...
Страница 135: ...135 Fig AO 581J 11 YAC Power Diagram 575 3 60 with Perfect Humidity System APPENDIX D WIRING DIAGRAMS ...
Страница 136: ...136 Fig AP 581J 12 YAC Power Diagram 230 460 3 60 with Perfect Humidity System APPENDIX D WIRING DIAGRAMS ...
Страница 137: ...137 Fig AQ 581J 12 YAC Power Diagram 575 3 60 with Perfect Humidity System APPENDIX D WIRING DIAGRAMS ...
Страница 138: ...138 Fig AR 581J 14 YAC Control Diagram 230 460 575 3 60 with Perfect Humidity System APPENDIX D WIRING DIAGRAMS ...
Страница 139: ...139 Fig AS 581J 14 YAC Power Diagram 208 230 3 60 with Perfect Humidity System APPENDIX D WIRING DIAGRAMS ...
Страница 140: ...140 Fig AT 581J 14 YAC Power Diagram 460 3 60 with Perfect Humidity System APPENDIX D WIRING DIAGRAMS ...
Страница 141: ...141 Fig AU 581J 14 YAC Power Diagram 575 3 60 with Perfect Humidity System APPENDIX D WIRING DIAGRAMS ...
Страница 142: ...142 Fig AV YAC Direct Digital System Control Wiring Diagram System 50HE500891 F APPENDIX D WIRING DIAGRAMS ...
Страница 143: ...143 Fig AW RTU Open Wiring Diagram APPENDIX D WIRING DIAGRAMS ...