Carrier NP034-074 specifications Ð Physical Data 054-074 Units

Page 5

Table 1B Ð Physical Data; 054-074 Units

BASE UNIT*

054

 

 

064

 

 

074

NOMINAL CAPACITY (tons)

 

50

 

 

 

60

 

 

 

75

OPERATING WEIGHT (lb)

 

 

 

 

 

 

 

 

 

 

 

 

 

Base Unit

 

 

 

 

 

 

 

 

 

 

 

 

 

48 Series, Low Heat

8700

 

 

9000

 

 

9420

48 Series, High Heat

8820

 

 

9120

 

 

9550

50 Series, Horizontal Discharge

8250

 

 

8550

 

 

8970

50 Series, Vertical Discharge

7700

 

 

8000

 

 

8430

With Economizer

 

 

 

 

 

 

 

 

 

 

 

 

 

48 Series, Low Heat

9230

 

 

9530

 

 

9950

48 Series, High Heat

9350

 

 

9650

 

 

10,080

50 Series, Horizontal Discharge

8780

 

 

9080

 

 

9500

50 Series, Vertical Discharge

8230

 

 

8530

 

 

8960

COMPRESSORS

 

 

 

 

 

Semi-Hermetic

 

 

 

 

Quantity...Type

2...06E

 

 

2...06E

 

 

2...06E

Capacity Steps (%)

20, 40, 60, 80, 100

 

 

17, 33, 50, 66, 83, 100

 

14, 28, 43, 71, 85, 100

Number of Refrigerant Circuits

 

2

 

 

 

2

 

 

 

2

REFRIGERANT

 

 

 

 

 

 

 

 

 

 

 

 

 

Operating Charge (lb), Sys 1/Sys 2

 

 

 

 

 

 

 

 

 

 

 

 

 

Without Hot Gas Bypass

59.0/44.5

 

 

61.0/61.0

 

 

70.5/64.5

With Hot Gas Bypass

62.0/44.5

 

 

64.0/61.0

 

 

73.5/64.5

CONDENSER COILS

 

 

 

 

 

3¤8-in. Tube Diameter

 

 

 

 

Quantity

 

4

 

 

 

4

 

 

 

4

Rows...Fins/in.

 

 

 

 

 

 

 

 

 

 

 

 

 

Aluminum

2...17.0, 3...17.0

 

 

3...17.0

 

 

3...17.0

Copper (Optional)

2...15.7, 3...15.7

 

 

3...15.7

 

 

3...15.7

Total Face Area (sq ft)

72.4

 

 

72.4

 

 

108.4

EVAPORATOR COILS

 

 

 

 

 

1¤2-in. Tube Diameter

 

 

 

 

Quantity

 

2

 

 

 

2

 

 

 

2

Rows...Fins/in.

3...17.0

 

 

4...17.0

 

 

4...17.0

Total Face Area (sq ft)

61.5

 

 

61.5

 

 

61.5

Refrigerant Feed Device...

TXV...2

 

 

TXV...2

 

 

TXV..2

No. per Circuit

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HEATING SECTION (48 Series Units Only)

Low Heat

 

High Heat

 

Low Heat

 

High Heat

 

Low Heat

 

High Heat

Number of Heat Exchangers

12

 

18

 

 

12

 

18

 

 

12

 

18

Input (MBtuh)

540

 

810

 

 

540

 

810

 

 

540

 

810

Output (MBtuh)

432

 

648

 

 

432

 

648

 

 

432

 

648

Temperature Rise Range (F)

5-35

 

15-45

 

5-35

 

15-45

 

 

5-35

 

15-45

Efficiency (%)

80

 

80

 

 

80

 

80

 

 

80

 

80

Burner Ori®ce Diameter

 

 

 

 

 

 

 

 

 

 

 

 

 

Quantity (in. ...drill no.)

12 (.1285...30)

 

18 (.1285...30)

 

12 (.1285...30)

 

18 (.1285...30)

 

12 (.1285...30)

 

18 (.1285...30)

Pilot Ori®ce Diameter

 

 

 

 

 

 

 

 

 

 

 

 

 

Quantity (in. ...drill no.)

2 (.076...48)

 

3 (.076...48)

 

2 (.076...48)

 

3 (.076...48)

 

2 (.076...48)

 

3 (.076...48)

Firing Stages

2

 

2

 

 

2

 

2

 

 

2

 

2

Number of Gas Valves

2

 

3

 

 

2

 

3

 

 

2

 

3

CONDENSER FANS

 

 

 

 

 

Propeller Type

 

 

 

 

Quantity...Diameter (in.)

 

4...30

 

 

4...30

 

 

5...30

Nominal Cfm

 

40,000

 

 

40,000

 

 

50,000

Motor Hp...Rpm

1.0...1140

 

 

1.0...1140

 

 

1.0...1140

EVAPORATOR FAN

 

 

 

 

 

Centrifugal 30 x 27 in.

 

 

 

 

Nominal Cfm

 

17,500

 

 

21,000

 

 

24,500

Maximum Allowable Cfm

 

25,000

 

 

30,000

 

 

30,000

Maximum Allowable Rpm

 

750

 

 

750

 

 

750

Shaft Diameter at Pulley (in.)

 

111¤16

 

 

111¤16

 

 

111¤16

EVAPORATOR-FAN MOTOR AND DRIVE

 

 

 

 

 

(Any motor available on any unit)

 

 

 

 

Motor Hp

15.0

 

 

20.0

 

25.0

 

 

30.0

Motor Frame Size

254T

 

 

256T

 

284T

 

 

286T

Efficiency at Full Load (%)

 

 

 

 

 

 

 

 

 

 

 

 

 

Standard Efficiency

84.5

 

 

87.5

 

87.1

 

 

88.3

High Efficiency²

90.0

 

 

91.0

 

91.7

 

 

92.4

Fan Pulley Pitch Diameter (in.)

13.7

 

 

13.7

 

13.7

 

 

15.5

Motor Pulley Pitch Diameter (in.)

4.5

 

 

 

5.1

 

5.5

 

 

 

5.9

Resulting Fan Rpm

555

 

 

625

 

660

 

 

700

Belts Quantity...Model No.

 

 

 

 

 

 

 

 

 

 

 

 

 

48 Series and 50 Series, Horizontal Discharge

2...5VX1120

 

 

2...5VX1150

 

2...5VX1150

 

 

2...5VX1180

50 Series, Vertical Discharge

2...5VX1230

 

 

2...5VX1230

 

2...5VX1230

 

 

2...5VX1230

Center Distance Range (in.)

 

 

 

 

 

 

 

 

 

 

 

 

 

48 Series and 50 Series, Horizontal Discharge

48.25...44.00

 

 

48.25...44.00

 

48.50...44.25

 

 

48.50...44.25

50 Series, Vertical Discharge

44.25...39.75

 

 

44.25...39.75

 

44.00...40.00

 

 

44.00...40.00

OPTIONAL POWER EXHAUST

 

 

Centrifugal, 18 x 15 in. (Any motor available on any unit)

 

 

Quantity...Motor Hp

2...5.0

 

 

2...7.5

 

 

2...10.0

Motor Frame Size

184T

 

 

213T

 

 

215T

Efficiency at Full Load (%)

84.0

 

 

82.9

 

 

85.6

Fan Pulley Pitch Diameter (in.)

10.6

 

 

10.6

 

 

10.6

Motor Pulley Pitch Diameter (in.)

 

4.5

 

 

 

5.0

 

 

 

5.6

Shaft Diameter at Pulley (in.)

17¤16

 

 

17¤16

 

 

17¤16

Resulting Fan Rpm

740

 

 

820

 

 

920

Maximum Allowable Rpm

925

 

 

925

 

 

925

FILTERS

 

 

 

 

 

 

 

 

 

 

 

 

 

Standard Efficiency

 

 

 

 

 

 

 

 

 

 

 

 

 

Throwaway (Standard)

15...20 x 25 x 2

 

 

15...20 x 25 x 2

 

 

15...20 x 25 x 2

Quantity...Size (in.)

5...16 x 20 x 2

 

 

5...16 x 20 x 2

 

 

5...16 x 20 x 2

Medium Ef®ciency (30%) Pleated (Optional)

15...20 x 25 x 2

 

 

15...20 x 25 x 2

 

 

15...20 x 25 x 2

Quantity...Size (in.)

5...16 x 20 x 2

 

 

5...16 x 20 x 2

 

 

5...16 x 20 x 2

High Efficiency (90%) Bag Filters

 

 

 

 

 

 

 

 

 

 

 

 

 

with Pre®lters (Optional)

6...20 x 24 x 22

 

 

6...20 x 24 x 22

 

 

6...20 x 24 x 22

Quantity...Size (in.)

6...24 x 24 x 22

 

 

6...24 x 24 x 22

 

 

6...24 x 24 x 22

TXV Ð Thermostatic Expansion Valve

*Data is for all 48 and 50 Series units of the size listed unless otherwise speci®ed. ²Not available on 575-v units.

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Contents Installation, Start-Up Service Instructions General ContentsRigging Label Ð Physical Data 034, 044 Units Ð Physical Data 054-074 Units Weight Distribution and Center of Gravity Operating Weights of Options and AccessoriesFt-in Ð Roof Curb 034, 044 UnitsDeg Ð Roof Curb 054-074 Units054,064 270 105¤8 074 255 101¤16 Ð Condenser Section Roof Curb 054-074 Units OnlyOutdoor-Air Inlet Adjustments Install Outdoor HoodsEconomizer Settings Unit Sizes 034Unit Size Weight Ð Base Unit Dimensional Drawing 50DJ,DK,NP034,044 Units 8700 3946 5969 19-7 6717 Weight Ft-in Ð Base Unit Dimensional Drawing 50DJ,DK,NP054-074 UnitsDrain Location Selection AT 50% RH Approx DegField Electrical Connections Field Wire RoutingField Power Wiring Connections Electrical Data, 034 Units 11.0 81.2 100 90.8 110 10.0 15.2 96.4 125 15.0 22.0 103.293.8 110 10.0 15.2 99.4 125 15.0 22.0 106.2 10.0 14.0 84.2 11065.8 73.6 10.0 12.2 78.0 100 15.0 18.0 83.875.6 10.0 12.2 80.0 100 15.0 18.0 85.8 67.8Electrical Data, 044 Units 11.0 96.9 125 106.5 125 10.0 15.2 112.1 15.0 22.0 118.9 150109.5 125 10.0 15.2 115.1 15.0 22.0 121.9 150 10.0 14.0 99.9 12576.3 100 84.1 110 10.0 12.2 88.5 15.0 18.0 94.386.1 110 10.0 12.2 90.5 15.0 18.0 96.3 10.0 11.0 78.3 100Electrical Data, 054 Units 15.0 21.0 129.6 175 10.0 15.2 144.8 175 15.0 22.0 151.6 200 20.0 28.0 157.610.0 15.2 150.8 200 15.0 22.0 157.6 20.0 28.0 163.6 20.0 27.0 135.6 17515.0 17.0 104.3 125 10.0 12.2 116.5 150 15.0 18.0 122.3 20.0 22.0 126.310.0 12.2 121.5 150 15.0 18.0 127.3 20.0 22.0 131.3 20.0 22.0 109.3 125Electrical Data, 064 Units 15.0 21.0 145.6 175 10.0 15.2 160.8 200 15.0 22.0 167.6 20.0 28.0 173.610.0 15.2 166.8 200 15.0 22.0 173.6 20.0 28.0 179.6 225 20.0 27.0 151.6 20015.0 17.0 114.6 150 10.0 12.2 126.8 150 15.0 18.0 132.6 20.0 22.0 136.6 17510.0 12.2 131.8 150 15.0 18.0 137.6 175 20.0 22.0 141.6 20.0 22.0 119.6 150Electrical Data, 074 Units 15.0 21.0 166.8 225 10.0 15.2 182.0 225 15.0 22.0 188.8 250 20.0 28.0 194.810.0 15.2 188.0 250 15.0 22.0 194.8 20.0 28.0 200.8 20.0 27.0 172.8 22515.0 17.0 133.8 175 10.0 12.2 146.0 175 15.0 18.0 151.8 200 20.0 22.0 155.810.0 12.2 151.0 200 15.0 18.0 156.8 20.0 22.0 160.8 20.0 22.0 138.8 175Field Control Thermostat Wiring Field Wiring for Building Pressurization and Smoke Purge Gas Piping Details Installing Flue/Inlet Hoods 48 Series Units OnlyFlue Hood PRE-START-UP Ð Field-Supplied Evaporator-Fan Pulley Data, 034,044 Units Gas Manifold Pressure 48 Series Units OnlyAir Quantity Limits cfm Ð Field-Supplied Evaporator-Fan Pulley Data, 054-074 UnitsHEATING, Units Without Economizer Initial CheckGeneral Compressors ServiceEVAPORATOR-FAN MOTORS, PULLEYS, and Belts Liquid Service VALVES, Filter DRIERS, and Sight GlassesPower Exhaust MOTORS, PULLEYS, and Belts Burner Section Detail 48 Series Units Only Lubrication Modulating Power Exhaust Damper MotorCondenser FAN Adjustment AdjustmentsBelt Installation and Tensioning Pulley Alignment Charging Chart, 044 Units System One Condenser Fan Running Charging Chart, 064 Units System All Condenser Fans Running Main Burner Removal 48 Series Units Only Auxiliary Switch Stroke AdjustmentCompressor Protection Protective DevicesGas Heat 48 Series Units Only Electric Heat 50 Series Units OnlyEconomizer Motor Checkout Economizer Control Board Checkout TestDetailed Check Control Board Component Arrangement Page Compressor Lockout Connections ACC Gas Heat Sections 48DJ,NP034,044 Units Gas Heat Sections 48DJ,NP054-074 Units Gas Heat DK034,044 Units Gas Heat DK054-074 Units Typical Wiring Schematic 48/50DJ,50DW Units 054-074 Shown Typical Wiring Schematic 48/50DJ,50DW Units 054-074 Shown Typical Wiring Schematic 48/50DK,50DY Units 054-074 Shown Typical Wiring Schematic 48/50DK,50DY Units 054-074 Shown Page Page Page Page Packaged Service Training Page RETURN-AIR Temperature OUTDOOR-AIR TemperatureModel no Serial no Date Technician Supply Voltage L1-L2

NP034-074 specifications

The Carrier NP034-074 is an advanced rooftop unit designed for commercial heating, ventilation, and air conditioning (HVAC) applications. This unit is part of Carrier’s extensive range of rooftop units that are known for their energy efficiency, reliability, and innovative features. The NP034-074 series is particularly recognized for its robust performance in diverse environmental conditions, making it ideal for a variety of commercial building types.

One of the standout features of the NP034-074 is its high-efficiency compressor. Equipped with a scroll compressor, the unit offers enhanced performance and quieter operation compared to traditional reciprocating compressors. This design not only improves energy efficiency but also reduces operating costs over time. The unit is designed to meet or exceed the latest efficiency standards, ensuring that businesses can enjoy optimal indoor comfort while keeping energy consumption low.

The NP034-074 also integrates advanced control technologies that provide users with greater flexibility and ease of operation. The intuitive control system allows for precise temperature management and can be easily integrated with building automation systems. This enables users to monitor and adjust settings remotely, ensuring consistent and efficient climate control throughout the facility.

Another key characteristic of the NP034-074 is its robust construction. Built to withstand various weather conditions, the unit features a galvanized steel cabinet with a powder-coated finish for corrosion resistance. Its design also facilitates easy access for maintenance and service, which minimizes downtime and operational interruptions.

In terms of air distribution, the NP034-074 incorporates a powerful blower system that ensures even and effective airflow throughout the space. This design improves indoor air quality by enhancing ventilation while maintaining comfort levels. Additionally, the unit can be customized with options such as economizers and variable speed fans to optimize performance based on specific building needs.

The NP034-074 is a versatile and reliable choice for businesses looking to enhance their HVAC systems. With its combination of energy efficiency, advanced technology, and robust construction, this rooftop unit stands out as a top choice for commercial climate control solutions.
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