Product Data ROOMTOP® 50AH024-096 Horizontal Indoor Single-Package Cooling Units with PURON® Refrigerant (R-410A) 2 to 8 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 • water or air-cooled units availability • belt-drive motors Features/Benefits All in one package — high cooling efficiency, installation convenience, 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. Copyright 2009 Carrier Corporation Form 50AH-8PD

Features/Benefits (cont) Application flexibility 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. Quiet operation Commercial end users appreciate the extra comfort of quiet operation. Carrier engineers met the challenge by specifying heavy insulation, vibrationresistant construction and operating components that function at low noise levels, all of which keep system sound at a minimum level. Easy maintenance When it comes to...

Model number nomenclature 50AH AC 048 5 – – – – 2 1 XX FIOP* 50AH – Horizontal, Indoor Single-Package Cooling Unit Packaging 1 – Domestic 2 – Export, Crated 3 – Export, Non-Crated Compressor Options AC – Air Cooled WC – Water Cooled Design Changes 2 – R-410A Original Design 3 – R-410A Special Unit Size - Nominal Tons 024 – 2 060 – 5 036 – 3 072 – 6 048 – 4 096 – 8 Economizer and Hot Gas Options – – None A – Hot Gas Bypass† B – Hot Gas Reheat† C – Air-Side Economizer with Controls D – Hot Gas Bypass and Hot Gas Reheat† E – Hot Gas Bypass and Air-Side Economizer† F – Hot Gas Bypass, Air-Side Economizer,...

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.) INTERCONNECTING...

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.) INTERCONNECTING TUBING...

Options and accessories ITEM Hot Gas Bypass Hot Gas Reheat Air Side Economizer Freezestat High-Static Motor Upgrade 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 acceptable levels requires cooling the air to relatively low...

AIR OUT 16 1/8 B 111 111 116 117 CLEARANCE HOLE FOR 3/8" HANGING ROD TYP 8 PLS REAR 64 1/2 DETAIL A A 87 87 91 91 NOTE: Dimensions are in inches. 6 1/8 18 3/4 1 3/4 024 036 048 060 UNIT 50AH 2 28 3 13/16 1 1/2 H G AIR IN 33 COMPRESSOR ACCESS 48 DETAIL "A" COND SECTION 44 1/8 WEIGHT OF CORNER (lb) C D E F 88 113 143 136 89 114 144 138 92 118 152 145 93 119 153 146 LEFT TOP F A E B 42 D C 24 60 FRONT RETURN AIR 34 3/4 36 IN. SERVICE CLEARANCE 1 3/8 3 3/4 3 1/2 62 1 15/16 CONDENSATE DRAIN 7/8" OD COIL ACCESS FILTER ACCESS EVAP SECTION 38 1/8 H 100 101 106 107 QUICK CONNECT ACCESS G 105 106 111 112...

REAR 75 ELECTRICAL CONNECTIONS TYP MOTOR ACC B 128 129 COMPRESSOR ACCESS 2 29 6 H G DETAIL "A" AIR IN 53 65 COND SECTION 61 1/8 LEFT TOP F A E B 3 7/8 WEIGHT OF CORNER (lb) C D E F 149 152 126 128 149 153 139 142 1 1/2 NOTE: Dimensions are in inches. ELECT BOX ACCESS A 125 126 CLEARANCE HOLE FOR 3/8" HANGING ROD TYP 8 PLS DETAIL A 072 096 UNIT 50AH OPERATING WEIGHT DISTRIBUTION FILTER ACCESS C D H 192 212 CONDENSATE DRAIN 7/8" OD COIL ACCESS 47 EVAP SECTION 43 1/8 G 188 208 4 11/16 25 1 1/4 3 1/2 72 1/2 1 15/16 RETURN AIR 39 FRONT 70 1/2 36 IN. SERVICE CLEARANCE STANDARD UNIT SUPPLY AIR 16 1/16...

Selection procedure (with example) I Determine cooling requirements at design conditions. Given: Gross Cooling Capacity Required (TC) . . . . . . . . . . . . . . . . . .36,000 Btuh Sensible Heat Capacity (SHC) . . . . . .27,000 Btuh Temperature of Air Entering Condenser . . . . .95 F Temperature of Air Entering Evaporator . . . . . . . . . . . . . 80 F edb/67 F ewb Evaporator Air Quantity. . . . . . . . . . . . 1,200 cfm External Static Pressure: Condenser . . . . . . . . . . . . . . . . . . .0.50 in. wg Evaporator (includes static pressure drop of factory-supplied filter of 0.06 in. wg) . ....