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Carrier 50VL---A installation instructions Cooling Charging Chart, 50VL--A, A09089

Models: 50VL---A

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50VL-- A

A09089

Fig. 15 - Cooling Charging Chart

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Carrier 50VL---A installation instructions Cooling Charging Chart, 50VL--A, A09089

Contents

Installation Instructions TABLE OF CONTENTSSAFETY CONSIDERATIONS Fig. 1 - Unit 50VL-AStep 1 - Check Equipment RECEIVING AND INSTALLATIONInstallation on older “G” series roof curbs INTRODUCTIONA09462 Fig. 2 - 50VL-A24-36Unit Dimensions50VL--A A09463 Fig. 3 - 50VL-A42-60Unit Dimensions50VL--A LARGE CURB Fig. 4 - Roof Curb DimensionsUNIT PLACEMENT ON COMMON CURB 50VL--ADETAIL A Fig. 5 - 50VL-AUnit Suggested RiggingACCESS PANELS MUST BE IN PLACE WHEN RIGGING 50VL--AINSPECTION Step 3 - Provide ClearancesStep 4 - Field-FabricateDuctwork Step 5 - Rig and Place UnitFig. 8 - Condensate Trap Step 7 - Install Duct ConnectionsCONFIGURING UNITS FOR DOWNFLOW VERTICAL DISCHARGE Step 6 - Connect Condensate DrainUNIT COMPONENT DAMAGE HAZARD Step 8 - Install Electrical ConnectionsHIGH-VOLTAGECONNECTIONS Fig. 9 - Supply and Return Duct OpeningTRANSFORMER PROTECTION SPECIAL PROCEDURES FOR 208-VOPERATIONCONTROL VOLTAGE CONNECTIONS STANDARD CONNECTION50VL--A Table 1 - Physical Data-Unit 50VL-AStep 1 — Check for Refrigerant Leaks CHECKING AND ADJUSTING REFRIGERANT CHARGEPRE-START-UP START-UPSINGLE COOLING FAN SPEED SET-UPDehumidi INDOOR AIRFLOW AND AIRFLOW ADJUST- MENTSfication feature not used fication feature usedTable 3 - Color Coding for Indoor Fan Motor Leads CONTINUOUS FAN OPERATIONCOOLING SEQUENCE OF OPERATION Fig. 11 - Interface Fan Board IFBUNIT 50VL--A50VL--A Small CabinetLarge Cabinet 50VL A Fig. 12 - Connection Wiring Diagram 208/230-1-60A11003 50VL AA11010 Fig. 13 - Connection Wiring Diagram 208/230-3-6050VL A A11009 50VL ASATA --50VL C Fig. 14 - Connection Wiring DiagramA10204C HR1 HR4 HR2 HR3 C50VL--A LADDERWIRING DIAGRAMFig. 14 Cont. - Ladder Wiring Diagram 50VL500271A09089 Fig. 15 - Cooling Charging Chart50VL--A PERSONAL INJURY AND UNIT DAMAGE HAZARD MAINTENANCEAir Filter Indoor Blower and MotorFig. 16 - Fan Blade Position Electrical Controls and WiringFig. 17 - Unit Access Panels OUTDOOR FANRefrigerant Circuit Pressure SwitchesLoss of Charge/Low-PressureSwitch Air Conditioner High-PressureSwitchLiquid Line Filter Drier TROUBLESHOOTINGSTART-UPCHECKLIST Synthetic Roof Precautionary Procedure50VL--A Table 10 - Troubleshooting ChartS Do not use an R-22TXV 50VL--APRESSURES Remove and Store in Job FilesI. PRELIMINARY INFORMATION MODEL NO TEMPERATURES