Manuals / Carrier / Household Appliance / Air Conditioner

Carrier 50VL---A installation instructions 50VL A, A11009

Models: 50VL---A

1 30

Download 30 pages 32.33 Kb

Page 20

Image 20

50VL A--

A11009

Fig. 13 Cont. - Ladder Wiring Diagram 208/230-3-60

Page 20

Image 20

Carrier 50VL---A installation instructions 50VL A, A11009

Contents

TABLE OF CONTENTS SAFETY CONSIDERATIONSFig. 1 - Unit 50VL-A Installation InstructionsRECEIVING AND INSTALLATION Installation on older “G” series roof curbsINTRODUCTION Step 1 - Check EquipmentA09462 Fig. 2 - 50VL-A24-36Unit Dimensions50VL--A A09463 Fig. 3 - 50VL-A42-60Unit Dimensions50VL--A Fig. 4 - Roof Curb Dimensions UNIT PLACEMENT ON COMMON CURB50VL--A LARGE CURBFig. 5 - 50VL-AUnit Suggested Rigging ACCESS PANELS MUST BE IN PLACE WHEN RIGGING50VL--A DETAIL AStep 3 - Provide Clearances Step 4 - Field-FabricateDuctworkStep 5 - Rig and Place Unit INSPECTIONStep 7 - Install Duct Connections CONFIGURING UNITS FOR DOWNFLOW VERTICAL DISCHARGEStep 6 - Connect Condensate Drain Fig. 8 - Condensate TrapStep 8 - Install Electrical Connections HIGH-VOLTAGECONNECTIONSFig. 9 - Supply and Return Duct Opening UNIT COMPONENT DAMAGE HAZARDSPECIAL PROCEDURES FOR 208-VOPERATION CONTROL VOLTAGE CONNECTIONSSTANDARD CONNECTION TRANSFORMER PROTECTIONTable 1 - Physical Data-Unit 50VL-A 50VL--ACHECKING AND ADJUSTING REFRIGERANT CHARGE PRE-START-UPSTART-UP Step 1 — Check for Refrigerant LeaksINDOOR AIRFLOW AND AIRFLOW ADJUST- MENTS fication feature not usedfication feature used SINGLE COOLING FAN SPEED SET-UPDehumidiCONTINUOUS FAN OPERATION COOLING SEQUENCE OF OPERATIONFig. 11 - Interface Fan Board IFB Table 3 - Color Coding for Indoor Fan Motor Leads50VL--A UNIT50VL--A Small CabinetLarge Cabinet Fig. 12 - Connection Wiring Diagram 208/230-1-60 50VL A50VL A A11003A11010 Fig. 13 - Connection Wiring Diagram 208/230-3-6050VL A 50VL A A11009Fig. 14 - Connection Wiring Diagram A10204CHR1 HR4 HR2 HR3 C SATA --50VL CLADDERWIRING DIAGRAM Fig. 14 Cont. - Ladder Wiring Diagram50VL500271 50VL--AA09089 Fig. 15 - Cooling Charging Chart50VL--A MAINTENANCE Air FilterIndoor Blower and Motor PERSONAL INJURY AND UNIT DAMAGE HAZARDElectrical Controls and Wiring Fig. 17 - Unit Access PanelsOUTDOOR FAN Fig. 16 - Fan Blade PositionPressure Switches Loss of Charge/Low-PressureSwitch Air ConditionerHigh-PressureSwitch Refrigerant CircuitTROUBLESHOOTING START-UPCHECKLISTSynthetic Roof Precautionary Procedure Liquid Line Filter DrierTable 10 - Troubleshooting Chart 50VL--A50VL--A S Do not use an R-22TXVTEMPERATURES Remove and Store in Job FilesI. PRELIMINARY INFORMATION MODEL NO PRESSURES