Carrier 48EZ(N)-A Dry Coil Air Delivery* Horizontal Discharge Unit 48EZ-A24-60

Page 20

20

 

 

 

 

 

 

 

 

 

 

 

 

 

48EZ-- A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Table 7 (cont) - Dry Coil Air Delivery* - Horizontal Discharge - 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

741

638

547

 

415

 

--- ---

--- ---

 

--- ---

--- ---

--- ---

 

 

 

 

 

 

 

 

Heating Rise

41

47

55

 

NA

 

NA

NA

 

NA

NA

NA

 

 

 

 

 

Low

 

Blue

(oF)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Heating Rise

23

26

31

 

NA

 

NA

NA

 

NA

NA

NA

 

 

 

 

 

 

 

 

(oC)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CFM

973

887

823

 

733

 

665

538

 

451

--- ---

--- ---

 

 

 

 

 

 

 

 

Heating Rise

31

34

37

 

41

 

45

56

 

NA

NA

NA

 

 

 

 

 

Med---Low1

 

Pink

(oF)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Heating Rise

17

19

20

 

23

 

25

31

 

NA

NA

NA

 

 

 

 

 

 

 

 

(oC)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CFM

1088

1023

954

 

881

 

800

723

 

658

563

461

 

 

 

30 --- 60oF

 

 

 

 

Heating Rise

NA

30

32

 

34

 

38

42

 

46

54

NA

 

48EZ( ---,N)A30040

 

 

Medium

 

Red

(oF)

 

 

 

 

 

(17 --- 33oC)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Heating Rise

NA

16

18

 

19

 

21

23

 

26

30

NA

 

 

 

 

 

 

 

 

(oC)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CFM

1140

1064

996

 

915

 

840

758

 

687

564

480

 

 

 

 

 

 

 

 

Heating Rise

NA

NA

30

 

33

 

36

40

 

44

54

NA

 

 

 

 

 

Med---High2

 

Orange

(oF)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Heating Rise

NA

NA

17

 

18

 

20

22

 

24

30

NA

 

 

 

 

 

 

 

 

(oC)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CFM

1202

1140

1082

 

1015

 

961

881

 

810

732

631

 

 

 

 

 

 

 

 

Heating Rise

NA

NA

NA

 

30

 

31

34

 

37

41

48

 

 

 

 

 

High

 

Black

(oF)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Heating Rise

NA

NA

NA

 

17

 

17

19

 

21

23

27

 

 

 

 

 

 

 

 

(oC)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CFM

741

638

547

 

415

 

--- ---

--- ---

 

--- ---

--- ---

--- ---

 

 

 

 

 

 

 

 

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

973

887

823

 

733

 

665

538

 

451

--- ---

--- ---

 

 

 

 

 

 

 

 

Heating Rise

46

50

54

 

NA

 

NA

NA

 

NA

NA

NA

 

 

 

 

 

Med---Low

 

Pink

(oF)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Heating Rise

25

28

30

 

NA

 

NA

NA

 

NA

NA

NA

 

 

 

 

 

 

 

 

(oC)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CFM

1088

1023

954

 

881

 

800

723

 

658

563

461

 

 

 

25 --- 55oF

 

 

 

 

Heating Rise

41

43

47

 

50

 

NA

NA

 

NA

NA

NA

 

48EZ( ---,N)A30060

 

 

Medium

 

Red

(oF)

 

 

 

 

 

(14 --- 31oC)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Heating Rise

23

24

26

 

28

 

NA

NA

 

NA

NA

NA

 

 

 

 

 

 

 

 

(oC)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CFM

1140

1064

996

 

915

 

840

758

 

687

564

480

 

 

 

 

 

 

 

 

Heating Rise

39

42

45

 

49

 

53

NA

 

NA

NA

NA

 

 

 

 

 

Med---High2

 

Orange

(oF)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Heating Rise

22

23

25

 

27

 

29

NA

 

NA

NA

NA

 

 

 

 

 

 

 

 

(oC)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CFM

1202

1140

1082

 

1015

 

961

881

 

810

732

631

 

 

 

 

 

 

 

 

Heating Rise

37

39

41

 

44

 

46

50

 

55

NA

NA

 

 

 

 

 

High1

 

Black

(oF)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Heating Rise

21

22

23

 

24

 

26

28

 

30

NA

NA

 

 

 

 

 

 

 

 

(oC)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Image 20
Contents Table of Contents Safety ConsiderationsReceiving and Installation IntroductionCheck Equipment Provide Unit Support48EZ-A24-36 Unit Dimensions 48EZ-A42-60 Unit Dimensions Roof Curb Dimensions NumberField Fabricate Ductwork Provide ClearancesRig and Place Unit InspectionInstall Flue Hood Install Gas PipingConnect Condensate Drain Rigging/Lifting of Unit See FigFire or Explosion Hazard Sediment TrapInstall Duct Connections Configuring Units for Downflow Vertical DischargePhysical Data Unit 48EZ-A Heating Inputs Physical Data Unit 48EZ-A Cont’dMaximum Gas Flow Capacity Install Electrical Connections Special Procedures for 208-V OperationHigh-Voltage Connections Unit Component Damage HazardBalance Point Setting-Thermidistat or Hybrid Thermostat PRE-START-UPControl Voltage Connections Transformer ProtectionStart-up Heating and Make Adjust- ments START-UPCheck for Refrigerant Leaks Unit Sequence of OperationUnit Damage Hazard Adjust Gas InputCheck Gas Input Start-up Cooling and Make Adjust- ments Checking and Adjusting Refrigerant Charge Indoor Airflow and Airflow AdjustmentsGas Heating Fan Speed Set-up Unit Operation HazardColor Coding for Indoor Fan Motor Leads Two Cooling Fan Speeds Set-up Dehumidification feature usedContinuous Fan Operation Range Speed Color Dry Coil Air Delivery* Horizontal Unit 48EZ-A24-60Unit Heating Rise Motor 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 Horizontal and Downflow Filter Pressure Drop Table IN. W.C Unit Standard CFM Scfm SizeDownflow Cooling Standard CFM Scfm Economizer + Tons Cooling Standard CFM Scfm48EZ 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 Maintenance Cleaning the Blower Motor and WheelAir Filter Indoor Blower and MotorLimit Switch Induced Draft combustion air Blower AssemblyBurner Ignition Main BurnersRefrigerant Circuit Electrical Controls and WiringOutdoor Fan Pressure Switches Loss of Charge SwitchGas Input Indoor AirflowExplosion Hazard High-Pressure SwitchCopeland Scroll Compressor Puron Refrigerant Compressor Oil Unit Operation and Safety HazardRefrigerant System Puronr R-410A Quick Reference Guide TroubleshootingSTART-UP Checklist Troubleshooting Guide Cooling or Heat Pump Heating Mode Symptom Cause RemedyLED OFF Troubleshooting Guide-HeatingTroubleshooting Guide-LED Error Codes Temperatures Remove and Store in Job FilesPreliminary Information Model no III. START-UP Electrical Supply Voltage Compressor Amps