Carrier NP034-074 specifications Typical Wiring Schematic 48/50DJ,50DW Units 054-074 Shown

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Fig. 70 Ð Typical Wiring Schematic; 48/50DJ,50DW Units (054-074 Shown) (cont)

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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 OnlyUnit Sizes 034 Install Outdoor HoodsOutdoor-Air Inlet Adjustments Economizer SettingsUnit 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 10.0 14.0 84.2 110 90.8 110 10.0 15.2 96.4 125 15.0 22.0 103.211.0 81.2 100 93.8 110 10.0 15.2 99.4 125 15.0 22.0 106.267.8 73.6 10.0 12.2 78.0 100 15.0 18.0 83.865.8 75.6 10.0 12.2 80.0 100 15.0 18.0 85.8Electrical Data, 044 Units 10.0 14.0 99.9 125 106.5 125 10.0 15.2 112.1 15.0 22.0 118.9 15011.0 96.9 125 109.5 125 10.0 15.2 115.1 15.0 22.0 121.9 15010.0 11.0 78.3 100 84.1 110 10.0 12.2 88.5 15.0 18.0 94.376.3 100 86.1 110 10.0 12.2 90.5 15.0 18.0 96.3Electrical Data, 054 Units 20.0 27.0 135.6 175 10.0 15.2 144.8 175 15.0 22.0 151.6 200 20.0 28.0 157.615.0 21.0 129.6 175 10.0 15.2 150.8 200 15.0 22.0 157.6 20.0 28.0 163.620.0 22.0 109.3 125 10.0 12.2 116.5 150 15.0 18.0 122.3 20.0 22.0 126.315.0 17.0 104.3 125 10.0 12.2 121.5 150 15.0 18.0 127.3 20.0 22.0 131.3Electrical Data, 064 Units 20.0 27.0 151.6 200 10.0 15.2 160.8 200 15.0 22.0 167.6 20.0 28.0 173.615.0 21.0 145.6 175 10.0 15.2 166.8 200 15.0 22.0 173.6 20.0 28.0 179.6 22520.0 22.0 119.6 150 10.0 12.2 126.8 150 15.0 18.0 132.6 20.0 22.0 136.6 17515.0 17.0 114.6 150 10.0 12.2 131.8 150 15.0 18.0 137.6 175 20.0 22.0 141.6Electrical Data, 074 Units 20.0 27.0 172.8 225 10.0 15.2 182.0 225 15.0 22.0 188.8 250 20.0 28.0 194.815.0 21.0 166.8 225 10.0 15.2 188.0 250 15.0 22.0 194.8 20.0 28.0 200.820.0 22.0 138.8 175 10.0 12.2 146.0 175 15.0 18.0 151.8 200 20.0 22.0 155.815.0 17.0 133.8 175 10.0 12.2 151.0 200 15.0 18.0 156.8 20.0 22.0 160.8Field 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 DevicesEconomizer Control Board Checkout Test Electric Heat 50 Series Units OnlyGas Heat 48 Series Units Only Economizer Motor CheckoutDetailed 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 Supply Voltage L1-L2 OUTDOOR-AIR TemperatureRETURN-AIR Temperature Model no Serial no Date Technician

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.