Carrier 48EZ(N)-A Dry Coil Air Delivery* Horizontal Unit 48EZ-A24-60, Unit Heating Rise Motor

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Table 7 – Dry Coil Air Delivery* - Horizontal - Unit 48EZ-A24-60

 

UNIT

 

HEATING RISE

 

MOTOR

 

WIRE

 

 

 

 

EXTERNAL STATIC PRESSURE (in. W.C.)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RANGE

 

SPEED

 

COLOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.1

0.2

0.3

 

0.4

0.5

0.6

 

0.7

0.8

0.9

 

 

 

 

 

 

 

 

CFM

754

650

538

 

429

--- ---

--- ---

 

--- ---

--- ---

--- ---

 

 

 

 

 

 

 

 

Heating Rise

40

46

56

 

NA

NA

NA

 

NA

NA

NA

 

 

 

 

 

Low

 

Blue

(oF)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Heating Rise

22

26

31

 

NA

NA

NA

 

NA

NA

NA

 

 

 

 

 

 

 

 

(oC)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CFM

851

777

675

 

591

475

--- ---

 

--- ---

--- ---

--- ---

 

 

 

 

 

 

 

 

Heating Rise

36

39

45

 

51

NA

NA

 

NA

NA

NA

 

 

 

 

 

Med---Low

 

Pink

(oF)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Heating Rise

20

22

25

 

28

NA

NA

 

NA

NA

NA

 

 

 

 

 

 

 

 

(oC)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CFM

941

851

774

 

684

576

479

 

--- ---

--- ---

--- ---

 

 

 

30 --- 60oF

 

 

 

 

Heating Rise

32

36

39

 

44

52

NA

 

NA

NA

NA

 

48EZ( ---,N)A24040

 

 

Medium2

 

Red

(oF)

 

 

 

 

(17 --- 33oC)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Heating Rise

18

20

22

 

25

29

NA

 

NA

NA

NA

 

 

 

 

 

 

 

 

(oC)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CFM

1009

917

840

 

759

667

577

 

447

--- ---

--- ---

 

 

 

 

 

 

 

 

Heating Rise

30

33

36

 

40

45

52

 

NA

NA

NA

 

 

 

 

 

Med---High1

 

Orange

(oF)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Heating Rise

17

18

20

 

22

25

29

 

NA

NA

NA

 

 

 

 

 

 

 

 

(oC)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CFM

1241

1167

1111

 

1036

969

881

 

818

731

640

 

 

 

 

 

 

 

 

Heating Rise

NA

NA

NA

 

NA

31

34

 

37

41

47

 

 

 

 

 

High

 

Black

(oF)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Heating Rise

NA

NA

NA

 

NA

17

19

 

21

23

26

 

 

 

 

 

 

 

 

(oC)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CFM

754

650

538

 

429

--- ---

--- ---

 

--- ---

--- ---

--- ---

 

 

 

 

 

 

 

 

Heating Rise

NA

NA

NA

 

NA

NA

NA

 

NA

NA

NA

 

 

 

 

 

Low

 

Blue

(oF)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Heating Rise

NA

NA

NA

 

NA

NA

NA

 

NA

NA

NA

 

 

 

 

 

 

 

 

(oC)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CFM

851

777

675

 

591

475

--- ---

 

--- ---

--- ---

--- ---

 

 

 

 

 

 

 

 

Heating Rise

52

NA

NA

 

NA

NA

NA

 

NA

NA

NA

 

 

 

 

 

Med---Low

 

Pink

(oF)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Heating Rise

29

NA

NA

 

NA

NA

NA

 

NA

NA

NA

 

 

 

 

 

 

 

 

(oC)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CFM

941

851

774

 

684

576

479

 

--- ---

--- ---

--- ---

 

 

 

25 --- 55oF

 

 

 

 

Heating Rise

47

52

NA

 

NA

NA

NA

 

NA

NA

NA

 

48EZ( ---,N)A24060

 

 

Medium2

 

Red

(oF)

 

 

 

 

(14 --- 31oC)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Heating Rise

26

29

NA

 

NA

NA

NA

 

NA

NA

NA

 

 

 

 

 

 

 

 

(oC)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CFM

1009

917

840

 

759

667

577

 

447

--- ---

--- ---

 

 

 

 

 

 

 

 

Heating Rise

44

48

53

 

NA

NA

NA

 

NA

NA

NA

 

 

 

 

 

Med---High

 

Orange

(oF)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Heating Rise

24

27

29

 

NA

NA

NA

 

NA

NA

NA

 

 

 

 

 

 

 

 

(oC)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CFM

1241

1167

1111

 

1036

969

881

 

818

731

640

 

 

 

 

 

 

 

 

Heating Rise

36

38

40

 

43

46

50

 

54

NA

NA

 

 

 

 

 

High1

 

Black

(oF)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Heating Rise

20

21

22

 

24

25

28

 

30

NA

NA

 

 

 

 

 

 

 

 

(oC)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

48EZ-- A

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Contents Safety Considerations Table of ContentsProvide Unit Support Receiving and InstallationIntroduction Check Equipment48EZ-A24-36 Unit Dimensions 48EZ-A42-60 Unit Dimensions Number Roof Curb DimensionsInspection Field Fabricate DuctworkProvide Clearances Rig and Place UnitRigging/Lifting of Unit See Fig Install Flue HoodInstall Gas Piping Connect Condensate DrainSediment Trap Fire or Explosion HazardConfiguring Units for Downflow Vertical Discharge Install Duct ConnectionsPhysical Data Unit 48EZ-A Maximum Gas Flow Capacity Physical Data Unit 48EZ-A Cont’dHeating Inputs Unit Component Damage Hazard Install Electrical ConnectionsSpecial Procedures for 208-V Operation High-Voltage ConnectionsTransformer Protection Balance Point Setting-Thermidistat or Hybrid ThermostatPRE-START-UP Control Voltage ConnectionsUnit Sequence of Operation Start-up Heating and Make Adjust- mentsSTART-UP Check for Refrigerant LeaksCheck Gas Input Adjust Gas InputUnit Damage Hazard Start-up Cooling and Make Adjust- ments Unit Operation Hazard Checking and Adjusting Refrigerant ChargeIndoor Airflow and Airflow Adjustments Gas Heating Fan Speed Set-upContinuous Fan Operation Two Cooling Fan Speeds Set-up Dehumidification feature usedColor Coding for Indoor Fan Motor Leads Unit Heating Rise Motor Dry Coil Air Delivery* Horizontal Unit 48EZ-A24-60Range Speed Color Dry Coil Air Delivery* Horizontal Discharge Unit 48EZ-A24-60 1354 1290 1226 1158 1102 1046 981 918 843 55oF Heating Rise Medium1 48EZ ---,NA48090 48EZ ---,NA48130 Unit Heating Rise Motor Wire Cooling Standard CFM Scfm Horizontal and Downflow Filter Pressure Drop Table IN. W.CUnit Standard CFM Scfm Size Downflow Cooling Standard CFM Scfm Economizer + Tons48EZ a 208/230-1-60 Ladder Wiring Diagram, Unit 48EZ-A 208/230-3-60 Connection Wiring Diagram, Unit 48EZ-A Cont. 208/230-3-60 Ladder Wiring Diagram, Unit 48EZ-A Cooling Charging Table-Subcooling Indoor Blower and Motor MaintenanceCleaning the Blower Motor and Wheel Air FilterMain Burners Limit SwitchInduced Draft combustion air Blower Assembly Burner IgnitionOutdoor Fan Electrical Controls and WiringRefrigerant Circuit Indoor Airflow Pressure SwitchesLoss of Charge Switch Gas InputCopeland Scroll Compressor Puron Refrigerant High-Pressure SwitchExplosion Hazard Refrigerant System Unit Operation and Safety HazardCompressor Oil START-UP Checklist TroubleshootingPuronr R-410A Quick Reference Guide Symptom Cause Remedy Troubleshooting Guide Cooling or Heat Pump Heating ModeTroubleshooting Guide-LED Error Codes Troubleshooting Guide-HeatingLED OFF III. START-UP Electrical Supply Voltage Compressor Amps TemperaturesRemove and Store in Job Files Preliminary Information Model no