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Bryant 604D--A installation instructions Cont. - Ladder Wiring Diagram, 604D-- --A

Models: 604D--A

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Fig. 46 Cont. - Ladder Wiring Diagram 460-3

A10199

604D-- -- A

Fig. 46 Cont. - Ladder Wiring Diagram 460-3

Page 47

Image 47

Bryant 604D--A installation instructions Cont. - Ladder Wiring Diagram, 604D-- --A

Contents

Installation Instructions TABLE OF CONTENTSSAFETY CONSIDERATIONS Fig. 1 - Unit 604D--AStep 1 - Check Equipment RECEIVING AND INSTALLATIONInstallation on older “G” series roof curbs INTRODUCTION604D-- --A Step 4 - Rig and Place UnitUNIT FALLING HAZARD PROPERTY DAMAGE HAZARDA09471 Fig. 2 - 604D--A24-36Unit Dimensions604D-- --A A09472 Fig. 3 - 604D--A42-60Unit Dimensions604D-- --A SMALL/COMMON CURB UNIT PLACEMENT ON COMMON CURBFig. 4 - Roof Curb Dimensions LARGE CURBFig. 6 - Unit Leveling Tolerances Step 5 - Select and Install DuctworkFig. 5 - Rigging Weights Rigging/Lifting of Unit See Fig604D-- --A Fig. 7 - Supply and Return Duct OpeningsPERSONAL INJURY AND ELECTRICAL OPERATION HAZARD Fig. 8 - Slab Mounting DetailUNIT COMPONENT DAMAGE HAZARD Step 7 - Install Electrical ConnectionsStep 6 - Provide for Condensate Disposal High-VoltageConnectionsStandard Connections Special Procedures for 208-VOperationAccessory Electric Heaters Installation Control Voltage Connections604D- -A24 Table 1 – Physical Data - Unit 604D--A604D-- --A SIZE AIRFLOW CFMA10197 604D A604D A A10194 604D A604D-- --A A10195 Fig. 13 - Connection Wiring Diagram604D A 604D-- --A Fig. 13 Cont. - Ladder Wiring DiagramChecking Cooling and Heating Control Operation Step 2 - Start-UpAdjustmentsSTART-UP Step 1 — Check for Refrigerant LeaksUNIT OPERATION HAZARD Checking and Adjusting Refrigerant ChargeIndoor Airflow and Airflow Adjustments 604D--ASequence of Operation604D-- --A Continuous Fan Operation604D-- --A Fig. 15 - Interface Fan Board IFBQuiet Shift MAINTENANCEStep 3 - Defrost Control Step 1 - Air FilterELECTRICAL SHOCK HAZARD Step 3 - Outdoor Fan604D-- --A Small Cabinet 24-36cfm A24-60Series ATable 5 - 604D--AWet Coil Pressure Drop IN. W.C Table 7 - Filter Pressure Drop Table IN. W.CA09070 Fig. 17 - Cooling Charging Table-Subcooling604D-- --A Step 5 - Refrigerant Circuit Step 4 - Electrical Controls and WiringFig. 20 - Unit Access Panels Step 8 - Pressure SwitchesStep 9 - Loss of Charge Switch Step 10 - High-PressureSwitchSynthetic Roof Precautionary Procedure TROUBLESHOOTINGSTART-UPCHECKLIST Loss of Charge Switch604D-- --A PURONR R-410AQUICK REFERENCE GUIDE604D-- --A Table 9 - Troubleshooting ChartPRESSURES Remove and Store in Job FilesI. PRELIMINARY INFORMATION MODEL NO TEMPERATURESTable 10 - Package Contents VERTICAL ECONOMIZER FACTORY INSTALLED OPTIONACCESSORIES INSTALLATION604D-- --A Fig. 23 - Oat Sensor InstalledFig. 22 - Economizer Hood Top Panel Removal Table 13 - Filter Part NumberSide Panel Fig. 25 - Filter Angle Bracket InstallationHood Divider Removed Left Hood604D-- --A Fig. 26 - Economizer Hood AssemblyFig. 27 - Economizer Hood Installation Fig. 28 - Filter Installation See Through ViewHood Divider Removed Large ChassisFig. 29 - Economizer Hood Top Panel Removal 604D-- --ABracket Fig. 31 - OAT Bracket InstallationFig. 32 - Filter Angle Bracket Installation Filter Angle604D-- --A Fig. 33 - Hood AssemblyFig. 34 - Economizer Hood Installation Table 14 - Filter Part Number604D CONFIGURATIONFig. 35 - Filter Installation See through view Economizer Standard Sensors604D-- --A LocationsFig. 40 - Enthalpy Sensor Mounting Location 8.9C 11.7C 12.8C 14.4C 17.2C 20C 22.8C 25.6C604D-- --A Fig. 42 - CO2 Sensor Maximum Range SettingFig. 43 - Economizer Controller Fig. 41 - Enthalpy Changeover Setpoints4.Connect 24 vac across terminals TR and TR1 604D-- --AA10059 Fig. 44 - Economizer Wiring Diagram604D-- --A SAT R C Fig. 45 - Connection Wiring Diagram604D A R R1 C604D-- --A Fig. 45 Cont. - Ladder Wiring DiagramA10199 Fig. 46 - Connection Wiring Diagram604D A 604D-- --A Fig. 46 Cont. - Ladder Wiring DiagramOA = Percent of Outdoor Air 604D-- --A604D-- --A Table 16 - CO2 Sensor Standard SettingsOPERATION 2.Disconnect device at P and P1 3.Jumper P to P1 TROUBLESHOOTING604D-- --A A10226 Fig. 47 - 604D--A 30-363 Phase with Economizer604D-- --A II604D---07 Fig. 48 - 604D--A 42-603 Phase with Economizer604D-- --A Catalog No