Ground Screw

USER

INTERFACE

TOP COVER

DISCONNECT

PER NEC*

FROM

GAS LINE

*NEC - NATIONAL ELECTRICAL CODE

A06091

Fig. 11 - Typical Installation

(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 installation instructions Ground Screw

Contents

Installation Electricalshockhazard Unit Operation and Safety HazardIdentify Unit Inspect Shipment IN.MM IN. MMNumber 024-030 Left Side View Frontview Rightsideview Front View Furnace Section CompressorsBurner Orifice No. Qty.Drill Size RETURN-AIR Filters Throwaway Place Clearances Select and Install Ductwork See Detail a Install Gas Piping Install Flue HoodProvide for Condensate Disposal Carbon Monoxide Poisoning Hazard Fire or Explosion Hazard Install Electrical ConnectionsHIGH-VOLTAGE Connections Electrical Shock Hazard Connecting Ground Lead to Ground Screw Routing Power Leads Into UnitRouting Control Power Wires Accessory Installation Ground Screw Field Connection OAT Black WiresRequired Factory Connected FIRE, EXPLOSION,ELECTRICALSHOCK Hazard Unit Start-Up and Troubleshooting Motor Turns Slowly Verify Motor Winding Section DUSO0003 DU500095 Status Code 23 Pressure Switch did not Open Status Code 22 Abnormal FLAME-PROVING SignalStatus Code 25 Invalid Model Selection or Setup Error Status Code 33 Limit Circuit Fault Unit Operation Hazard Indoor Airflow AdjustmentsAIR Conditioner Sequence of Operation Cooling Operation Utility Interface with Infinity Control Rated Heating Amber LED Operation Fault Flash Possible Cause Action CodeHigh Stage Low Stage GAS Heat Mode and Adjustments Dehumidification ModeInfinity Controlled LOW Ambient Cooling Sequence of OPERATION-GAS Heat U.S.A Fire and Unit Damage HazardCanada Example Check Burner Flame Check GAS Input Propane GAS Check for Refrigerant Leaks Start-Up Adjustments Refrigerant Charge To USE Cooling Charging ChartsNo Charge LOW Charge Cooling Factorywiresprovided Field Connection Required Blackwires Indoor Fan and Motor Limit SwitchBurner Ignition Main Burners Pressure Switches Refrigerant Circuit Electrical Controls and WiringOutdoor Coil, Indoor Coil, and Condensate Drain Pan Outdoor Fan Refrigerant System Control Fault Pressure Switch PROTECTION-REFRIGERANT230V Line Power Disconnect Detection Temperature Thermistors Thermistor Sensor Comparison Failed Thermistor Default OperationOCT Page Remedy Symptom Table lO--Troubleshooting Chart Cont-Gas Remove and Store in Job File