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Roomtop® 50AH036-072

Roomtop® 50AH036-072
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Product Data Roomtop® 50AH036-072 Standard Efficiency Horizontal Indoor Single-Package Cooling Units with Puron® Refrigerant (R-410A) 3 to 6 Nominal Tons The 50AH single-package cooling units feature: • ASHRAE 90.1 certification • scroll compressor technology • compact and flexible design • Puron refrigerant (R-410A) • easy maintenance • high quality and reliability • quiet and efficient scroll compressor technology • air-cooled unit • belt-drive motors Features/Benefits All in one package — cooling efficiency, installation convenience and ease of accessibility allow for timesaving maintenance. Space and cost saving design The Roomtop 50AH unit is specifically designed to provide building owners with a versatile horizontal air conditioning system that can be adapted to many cooling applications. The flexible design and low silhouette enable it to fit easily and securely within the ceiling above the conditioned space. Singlepackage construction makes it easy to install with minimal time and cost.

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Features/Benefits (cont) Application flexibility Carrier quality and reliability If desired for particular applications, the unit can also be installed as a package or split system with the condenser section mounted horizontally. Centrifugal fans permit ducting of both evaporator and condenser air. The Roomtop® 50AH units have much to offer the commercial owner. Every unit is thoroughly run tested at the factory and equipped with safety controls designed to monitor and protect over the life of the unit. Quiet operation Scroll compressor technology Commercial end users appreciate the extra...

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Model number nomenclature 50AH AC 036 5 XX Factory Installed Options 50AH – Horizontal, Indoor Packaged Cooling Unit Compressor Options AC – Air Cooled Nominal Capacity 036 – 3 Tons 048 – 4 Tons 072 – 6 Tons* Voltage Description 1 – 575-3-60† 5 – 208/230-3-60 6 – 460-3-60 Evaporator Configuration - – Standard Motor, Standard Drive A – Standard Motor, Alternate 1 RPM Drive B – Standard Motor, Alternate 2 RPM Drive C – Upgrade 1 Motor, Standard RPM Drive D – Upgrade 1 Motor, Alternate 1 RPM Drive E – Upgrade 1 Motor, Alternate 2 RPM Drive F – Upgrade 2 Motor, Alternate 1 RPM Drive G – Upgrade...

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AHRI* capacity ratings EER — Energy Efficiency Ratio SEER — Seasonal Energy Efficiency Ratio *Air-Conditioning, Heating, and Refrigeration Institute. 1. Ratings are at zero condenser air static and rated in accordance with AHRI Standard 210/240 (size 036,048 units) or 340/360 (size 072 TOTAL WATTS l Certification applies only wtian the complete system J I Is listed with AHRI. I \ Certificatioii applies only when the complete system J I is listed with AHRI. I

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Physical data UNIT 50AH OPERATING WEIGHT (lb) Base Unit Evaporator/Condenser Sections SHIPPING WEIGHT (lb)* REFRIGERANT TYPE Operating Charge (lb-oz)† COMPRESSOR — TYPE Quantity...Model Oil (oz) HPS Setting (psig) Cutout Reset LPS Setting (psig) Cutout Reset CONDENSATE DRAIN CONNECTION Size (in.)...Type CONDENSER COIL Size (L x H) (in.) Number of Rows...Fins/in. CONDENSER FAN Nominal Cfm Blower Size (in.) Motor Hp Motor Rpm EVAPORATOR COIL Size (L x H) (in.) Number of Rows...Fins/in. EVAPORATOR AIR FAN Nominal Cfm Blower Size (in.) Motor Hp (Rpm) INDOOR-AIR FILTERS Number...Size (in.)...

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Options and accessories ITEM Hot Gas Bypass Hot Gas Reheat Air-Side Economizer (ships separate to be field-installed) Freezestat High-Static Motor Upgrade Low Ambient Flooded Condenser Electric Duct Heaters Thermostats Disconnect Externally Mounted Condensate Pump Factory-installed options Hot gas bypass — Hot gas bypass is available for extended capacity operation and to prevent coil freezing at low load conditions. Hot gas reheat — When indoor air quality is a concern, a hot gas reheat coil can be ordered to help control humidity levels. Normally, bringing humidity levels down to...

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Dimensions — 50AH036,048 STANDARD UNIT OPERATING WEIGHT DISTRIBUTION UNIT 50AH 036 048 COND SECTION EVAP SECTION CLEARANCE HOLE FOR 3/8" HANGING ROD TYP 8 PLS COIL ACCESS MOTOR ACCESS MOTOR ACCESS BLOWER ACCESS FILTER ACCESS QUICK CONNECT ACCESS COMPRESSOR ACCESS EVAP SECTION COND SECTION 26 IN. SERVICE CLEARANCE 36 IN. SERVICE CLEARANCE NOTE: Dimensions are in inches. ISOMETRIC VIEW

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UNIT WITH FACTORY-INSTALLED AIR-SIDE ECONOMIZER OUTSIDE CLEARANCE REQUIRED CONDENSATE DRAIN NOTE: Dimensions are in inches.

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Dimensions — 50AH072 STANDARD UNIT 3 7/8 OPERATING WEIGHT DISTRIBUTION UNIT 50AH 072 COND SECTION EVAP SECTION CLEARANCE HOLE FOR 3/8" HANGING ROD TYP 8 PLS 2 1/4 FILTER ACCESS COMPRESSOR ACCESS COIL ACCESS MOTOR ACCESS QUICK CONNECT ACCESS BLOWER ACCESS EVAP SECTION COND SECTION LEFT REAR NOTE: Dimensions are in inches.

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UNIT WITH FACTORY-INSTALLED AIR-SIDE ECONOMIZER CLEARANCE REQUIRED CONDENSATE DRAIN NOTE: Dimensions are in inches.

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Performance data GROSS COOLING CAPACITIES 50AH036 Temp Air Ent Condenser (F) 85 Entering Wet-Bulb Compressor Motor Power Input (kilowatts) Gross Sensible Heat Capacity (1000 Btuh) Gross Total Cooling Capacity (1000 Btuh)

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Performance data (cont) EVAPORATOR FAN PERFORMANCE UNIT SIZE 50AH 036 CONDENSER FAN PERFORMANCE UNIT SIZE 50AH LEGEND Bhp — Brake Horsepower

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Controls Operating sequence Cooling — When the thermostat calls for cooling, the indoor (evaporator) fan relay is energized and starts the evaporator fan. Compressor contactor is energized to start compressor and condenser fan (up to a 5-minute delay on single-phase units). When room thermostat is satisfied, the evaporator fan, compressor, and condenser fan shut off. Continuous fan operation — The thermostat can be set for continuous operation by setting the fan switch to ON. Air-side economizer — The optional air-side economizer utilizes outside air as much as possible for temperature and...

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