Manuals / Carrier / Household Appliance / Air Conditioner

Carrier 48XL Ground Screw, Single-Phase, To Disconnect, Per Nec, Splice Connections, zL BLKm

Models: 48XL

1 36

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Page 13

Image 13

USER

INTERFACE

TOP COVER

DISCONNECT

PER NEC*

FROM

GAS LINE

*NEC - NATIONAL ELECTRICAL CODE

A06091

Fig. 11 - Typical Installation

GROUND SCREW

(IN SPLICE BOX)

GROUND

LEAD

SINGLE-PHASE	L1
CONNECTIONS
TO DISCONNECT
PER NEC	L2

z_L_ BLKm

--_YEL_

NOTE: Use copper wire only.

LEGEND

NEC - National Electrical Code

Field Wiring

_ Splice Connections

A06299

Fig. 12 - Line Power Connections

Page 13

Image 13

Carrier 48XL Ground Screw, Single-Phase, Connections, To Disconnect, Per Nec, NOTE Use copper wire only LEGEND, zL BLKm

Contents

Limit Switch OF CONTENTSTurn to the Expertg Liquid-LineINTRODUCTION SAFETY CONSIDERATIONSCheck Equipment Provide Unit Supportl ! i ll ScrewFig. 4 - Roof Curb Dimensions ll ii!lILLEFT SIDE VIEW Unit DimensionsFRONTVIEW RIGHTSIDEVIEWREARVIEW LEFT SIDEVIEWTOP VIEW FRONT VIEWTable I - Physical Data - Unit 48XL NOMINAL HEATING CAPACITY Btu OPERATING WEIGHT IbNOMINAL COOLING CAPACITY ton kg COMPRESSORSClearances ProvidePlace UnitPROPERTY DAMAGE HAZARD Select and Install DuctworkPROPERTY DAMAGE HAZARD 36-in.914 mm UNITHEIGHT SEE DETAIL AHAZARD Install Gas Piping Install Flue HoodProvide for Condensate Disposal Install Electrical Connections NOMINAL Table2- MaximumGas Flow CapacityINTERNAL IRON PIPENOTE Use copper wire only LEGEND SINGLE-PHASENEC - National Electrical Code Field Wiring Fig. 12 - Line Power ConnectionsFurnac6 Board HP/AC BoardUser interfaceSTART-UP Unit Start-Upand TroubleshootingPRE-START-UP Page CONNECTION WIRING DIAGRAM DUSO0003LADDER WIRING DIAGRAM CONNECTION WIRING DIA6RAM DU500095LADDER WIRING DIAGRAM g 2 oE .a @ IRcD43ff O0 than or Sequence of Operationat Rated RiseRated Pump/AirFIRE HAZARD LockoutCARBONMONOXIDEPOISONINGHAZARD d. Make sure model plug is installed BURNERFLAME BURNER MANIFOLD Start-UpAdjustmentsCheck for Refrigerant Leaks FILTERSIZE Filterin.mm 1000Fig. 22 - Non-Communicating ConnectionsEmergency Table-SubcoolingLimit Switch MAINTENANCEAir Filter Indoor Fan and MotorPressure Switches - Refrigerant Circuit Electrical Controls and WiringELECTRICALSHOCKHAZARD Outdoor FanRefrigerant System TROUBLESHOOTINGLIQUID-LINE FILTER DRIER Defrost operation Low ambient cooling FINAL CHECKS CARE AND MAINTENANCEFig. 25 - Resistance Values Versus Temperature REFRIGERATION SECTION QUICK-REFERENCEGUIDE AIR CONDITIONER WITH PURONSYMPTOM Compressor and outdoor fan will not start Table9- Troubleshooting ChartCompressor will not start but condenser fan runs Compressor operates continuouslyInadequate heating Poor flame characteristics SYMPTOM Burners will not igniteTable lO--Troubleshooting ChartRemove and Store in Job File START=U P CHECKLISTTEMPERATURES I. Preliminary information

GROUND SCREW

SINGLE-PHASE

CONNECTIONS

TO DISCONNECT

PER NEC

z_L_ BLKm

NOTE: Use copper wire only.

NEC - National Electrical Code

_ Splice Connections

Fig. 12 - Line Power Connections