Carrier NP034-074 10.0 12.2 146.0 175 15.0 18.0 151.8 200 20.0 22.0 155.8, 15.0 17.0 133.8 175

Page 33

Table 7 Ð Electrical Data, 074 Units (cont)

575-3-60 (V-Ph-Hz)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BASE UNIT WITH

 

COMPR

COMPR

OFM

 

IFM

BASE UNIT

EXHAUST

ELECTRIC

EXHAUST FAN

VOLTAGE

NO. 1

NO. 2

 

ONLY

 

FAN

HEAT*

AND/OR

 

 

 

 

 

RANGE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ELECTRIC HEAT*

 

RLA

LRA

RLA

LRA

Total

Hp

 

FLA

MCA

MOCP

Total

 

Total

kW

FLA

MCA

MOCP

 

FLA

 

Hp

 

FLA

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10.0

 

12.2

Ð

Ð

146.0

175

 

 

 

 

 

 

 

 

 

 

 

15.0

 

18.0

Ð

Ð

151.8

200

 

 

 

 

 

 

 

 

 

 

 

20.0

 

22.0

Ð

Ð

155.8

200

 

 

 

 

 

 

 

 

 

 

 

Ð

 

Ð

36

36.0

133.8

175

 

 

 

 

 

 

 

 

 

 

 

Ð

 

Ð

72

72.0

133.8

175

 

 

 

 

 

 

 

 

 

 

 

Ð

 

Ð

108²

108.0

156.2

175

 

 

 

 

 

 

15.0

 

17.0

133.8

175

10.0

 

12.2

36

36.0

146.0

175

 

 

 

 

 

 

 

10.0

 

12.2

72

72.0

146.0

175

 

 

 

 

 

 

 

 

 

 

 

10.0

 

12.2

108²

108.0

156.2

175

 

 

 

 

 

 

 

 

 

 

 

15.0

 

18.0

36

36.0

151.8

200

 

 

 

 

 

 

 

 

 

 

 

15.0

 

18.0

72

72.0

151.8

200

 

 

 

 

 

 

 

 

 

 

 

15.0

 

18.0

108²

108.0

156.2

200

 

 

 

 

 

 

 

 

 

 

 

20.0

 

22.0

36

36.0

155.8

200

 

 

 

 

 

 

 

 

 

 

 

20.0

 

22.0

72

72.0

155.8

200

 

 

 

 

 

 

 

 

 

 

 

20.0

 

22.0

108²

108.0

156.2

200

 

 

 

 

 

 

 

 

 

 

 

10.0

 

12.2

Ð

Ð

151.0

200

 

 

 

 

 

 

 

 

 

 

 

15.0

 

18.0

Ð

Ð

156.8

200

 

 

 

 

 

 

 

 

 

 

 

20.0

 

22.0

Ð

Ð

160.8

200

 

 

 

 

 

 

 

 

 

 

 

Ð

 

Ð

36

36.0

138.8

175

 

 

 

 

 

 

 

 

 

 

 

Ð

 

Ð

72

72.0

138.8

175

 

 

 

 

 

 

 

 

 

 

 

Ð

 

Ð

108²

108.0

162.5

175

 

 

 

 

 

 

20.0

 

22.0

138.8

175

10.0

 

12.2

36

36.0

151.0

200

 

 

 

 

 

 

 

10.0

 

12.2

72

72.0

151.0

200

 

 

 

 

 

 

 

 

 

 

 

10.0

 

12.2

108²

108.0

162.5

200

 

 

 

 

 

 

 

 

 

 

 

15.0

 

18.0

36

36.0

156.8

200

 

 

 

 

 

 

 

 

 

 

 

15.0

 

18.0

72

72.0

156.8

200

 

 

 

 

 

 

 

 

 

 

 

15.0

 

18.0

108²

108.0

162.5

200

 

 

 

 

 

 

 

 

 

 

 

20.0

 

22.0

36

36.0

160.8

200

 

 

 

 

 

 

 

 

 

 

 

20.0

 

22.0

72

72.0

160.8

200

518-632

39.1

176.0

52.6

276.0

12.0

 

 

 

 

 

20.0

 

22.0

108²

108.0

162.5

200

 

 

 

 

 

10.0

 

12.2

Ð

Ð

156.0

200

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15.0

 

18.0

Ð

Ð

161.8

200

 

 

 

 

 

 

 

 

 

 

 

20.0

 

22.0

Ð

Ð

165.8

200

 

 

 

 

 

 

 

 

 

 

 

Ð

 

Ð

36

36.0

143.8

175

 

 

 

 

 

 

 

 

 

 

 

Ð

 

Ð

72

72.0

143.8

175

 

 

 

 

 

 

 

 

 

 

 

Ð

 

Ð

108²

108.0

168.7

200

 

 

 

 

 

 

25.0

 

27.0

143.8

175

10.0

 

12.2

36

36.0

156.0

200

 

 

 

 

 

 

 

10.0

 

12.2

72

72.0

156.0

200

 

 

 

 

 

 

 

 

 

 

 

10.0

 

12.2

108²

108.0

168.7

200

 

 

 

 

 

 

 

 

 

 

 

15.0

 

18.0

36

36.0

161.8

200

 

 

 

 

 

 

 

 

 

 

 

15.0

 

18.0

72

72.0

161.8

200

 

 

 

 

 

 

 

 

 

 

 

15.0

 

18.0

108²

108.0

168.7

200

 

 

 

 

 

 

 

 

 

 

 

20.0

 

22.0

36

36.0

165.8

200

 

 

 

 

 

 

 

 

 

 

 

20.0

 

22.0

72

72.0

165.8

200

 

 

 

 

 

 

 

 

 

 

 

20.0

 

22.0

108²

108.0

168.7

200

 

 

 

 

 

 

 

 

 

 

 

10.0

 

12.2

Ð

Ð

161.0

200

 

 

 

 

 

 

 

 

 

 

 

15.0

 

18.0

Ð

Ð

166.8

200

 

 

 

 

 

 

 

 

 

 

 

20.0

 

22.0

Ð

Ð

170.8

200

 

 

 

 

 

 

 

 

 

 

 

Ð

 

Ð

36

36.0

148.8

200

 

 

 

 

 

 

 

 

 

 

 

Ð

 

Ð

72

72.0

148.8

200

 

 

 

 

 

 

 

 

 

 

 

Ð

 

Ð

108²

108.0

175.0

225

 

 

 

 

 

 

30.0

 

32.0

148.8

200

10.0

 

12.2

36

36.0

161.0

200

 

 

 

 

 

 

 

10.0

 

12.2

72

72.0

161.0

200

 

 

 

 

 

 

 

 

 

 

 

10.0

 

12.2

108²

108.0

175.0

225

 

 

 

 

 

 

 

 

 

 

 

15.0

 

18.0

36

36.0

166.8

200

 

 

 

 

 

 

 

 

 

 

 

15.0

 

18.0

72

72.0

166.8

200

 

 

 

 

 

 

 

 

 

 

 

15.0

 

18.0

108²

108.0

175.0

225

 

 

 

 

 

 

 

 

 

 

 

20.0

 

22.0

36

36.0

170.8

200

 

 

 

 

 

 

 

 

 

 

 

20.0

 

22.0

72

72.0

170.8

200

 

 

 

 

 

 

 

 

 

 

 

20.0

 

22.0

108²

108.0

175.0

225

 

 

LEGEND

CV

Ð Constant Volume

ETL

Ð

ETL Testing Laboratory

FLA

Ð

Full Load Amps

Hp

Ð

Nominal Horsepower

IFM

Ð Indoor (Evaporator) Fan Motor

LRA

Ð

Locked Rotor Amps

MCA

Ð Minimum Circuit Amps (for wire sizing)

MOCP

Ð Maximum Overcurrent Protection

OFM

Ð Outdoor (Condenser) Fan Motor

RLA

Ð

Rated Load Amps

*Electric heat available on 50 Series vertical discharge units. ²108 kW available on CV applications only.

NOTES:

1.Electric resistance heaters are rated at 208/240 v, 480 v, or 575 v. To de- termine heater capacity (kW) at unit operating voltage, multiply 240 v, 480 v, or 575 v capacity by appropriate multiplier below.

MULTIPLICATION FACTORS

HEATER kW

VOLTAGE

MULTIPLICATION

DISTRIBUTION

RATING

FACTOR

V-3-60

 

 

 

200

0.694

240

208

0.751

230

0.918

 

 

240

1.000

480

440

0.840

460

0.918

 

480

1.000

575

550

0.915

575

1.000

 

600

1.089

Electric heaters are tested and ETL approved at maximum total external static pressure of 1.9 in. wg.

2.Boldface indicates 48 and 50 Series units. All other data is for 50 Series units only.

33

Image 33
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 UnitsInitial Check GeneralHEATING, Units Without Economizer Compressors ServiceLiquid Service VALVES, Filter DRIERS, and Sight Glasses Power Exhaust MOTORS, PULLEYS, and BeltsEVAPORATOR-FAN MOTORS, PULLEYS, and Belts Burner Section Detail 48 Series Units Only Lubrication Modulating Power Exhaust Damper MotorAdjustments Belt Installation and TensioningCondenser FAN Adjustment 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.