Carrier 48XL installation instructions Remove and Store in Job File

Page 36

START=U P CHECKLIST

(Remove and Store in Job File)

I. Preliminary information

MODEL NO.:

SERIAL NO.:

DATE:

TECHNICIAN:

II.PRE-START-UP (insert checkmark in box as each item is completed)

VERIFY THAT ALL PACKING MATERIALS HAVE BEEN REMOVED FROM UNIT

REMOVE ALL SHIPPING HOLD DOWN BOLTS AND BRACKETS PER INSTALLATION INSTRUCTIONS CHECK ALL ELECTRICAL CONNECTIONS AND TERMINALS FOR TIGHTNESS

CHECK GAS PiPiNG FOR LEAKS (WHERE APPLICABLE)

CHECK THAT INDOOR (EVAPORATOR) AIR FILTER IS CLEAN AND IN PLACE VERIFY THAT UNIT INSTALLATION IS LEVEL

CHECK FAN WHEEL, AND PROPELLER FOR LOCATION IN HOUSING/ORIFICE AND SETSCREW TIGHTNESS

ill. START-UP

 

 

 

 

 

ELECTRICAL

 

 

 

 

 

SUPPLY VOLTAGE

 

 

 

 

COMPRESSOR

AMPS

 

 

 

 

INDOOR (EVAPORATOR)

FAN AMPS

 

 

TEMPERATURES

 

 

 

 

 

OUTDOOR (CONDENSER)

AIR TEMPERATURE

 

DB

RETURN-AIR TEMPERATURE

DB

 

WB

COOLING SUPPLY AIR

 

DB

WB

 

GAS HEAT SUPPLY AiR

 

 

 

 

PRESSURES

 

 

 

 

 

GAS INLET PRESSURE

 

IN.WG

 

 

GAS MANIFOLD

PRESSURE

IN.WG

 

 

REFRIGERANT

SUCTION

 

PSIG SUCTION LINE TEMP*

REFRIGERANT

DISCHARGE

PSIG DISCHARGE

TEMPI,

( ) VERIFY REFRIGERANT CHARGE USING CHARGING CHARTS

GAS HEAT TEMPERATURE

RISE

 

 

TEMPERATURE RISE (See Literature) RANGE

 

 

MEASURED TEMPERATURE

RISE

 

 

( ) VERIFY THAT CONDENSATE CONNECTION IS INSTALLED PROPERLY

( ) VERIFY THAT OUTDOOR AIR THERMISTOR (OAT) iS PROPERLY INSTALLED & CONNECTED

*Measured at suction inlet to compressor

1-Measured at liquid line leaving condenser.

Copyright 2008 Carrier Corp. • 7310 W. Morris St. • Indianapolis, IN 46231

Printed in U.S.A.

Edition Date: 08/08

Catalog No:48XL-O4Sl

Manufacturer reserves the right to change, at any time, specifications

and designs without notice and without obligations,

Replaces: 48XL-3SI

3d

Image 36
Contents Installation Unit Operation and Safety Hazard ElectricalshockhazardIdentify Unit Inspect ShipmentIN. MM IN.MMNumber 024-030Left Side View Frontview Rightsideview Front View Compressors Furnace SectionBurner Orifice No. Qty.Drill Size RETURN-AIR Filters ThrowawayClearances PlaceSelect and Install Ductwork See Detail a Install Flue Hood Install Gas PipingProvide for Condensate Disposal Carbon Monoxide Poisoning HazardInstall Electrical Connections Fire or Explosion HazardHIGH-VOLTAGE Connections Electrical Shock HazardRouting Power Leads Into Unit Connecting Ground Lead to Ground ScrewRouting Control Power Wires Accessory InstallationGround Screw OAT Black Wires Field ConnectionRequired Factory ConnectedUnit Start-Up and Troubleshooting FIRE, EXPLOSION,ELECTRICALSHOCK HazardVerify Motor Winding Section Motor Turns SlowlyDUSO0003 DU500095 Status Code 22 Abnormal FLAME-PROVING Signal Status Code 23 Pressure Switch did not OpenStatus Code 25 Invalid Model Selection or Setup Error Status Code 33 Limit Circuit FaultIndoor Airflow Adjustments Unit Operation HazardAIR Conditioner Sequence of Operation Cooling Operation Utility Interface with Infinity ControlAmber LED Operation Fault Flash Possible Cause Action Code Rated HeatingHigh Stage Low Stage Dehumidification Mode GAS Heat Mode and AdjustmentsInfinity Controlled LOW Ambient Cooling Sequence of OPERATION-GAS HeatFire and Unit Damage Hazard U.S.ACanada ExampleCheck GAS Input Propane GAS Check Burner FlameStart-Up Adjustments Check for Refrigerant LeaksTo USE Cooling Charging Charts Refrigerant ChargeNo Charge LOW Charge CoolingField Connection Required Blackwires FactorywiresprovidedLimit Switch Indoor Fan and MotorBurner Ignition Main BurnersElectrical Controls and Wiring Pressure Switches Refrigerant CircuitOutdoor Coil, Indoor Coil, and Condensate Drain Pan Outdoor FanRefrigerant System Pressure Switch PROTECTION-REFRIGERANT Control Fault230V Line Power Disconnect Detection Temperature ThermistorsFailed Thermistor Default Operation Thermistor Sensor ComparisonOCT Page Symptom RemedyTable lO--Troubleshooting Chart Cont-Gas Remove and Store in Job File