Carrier 48SS manual Features/Benets, Easy installation, Convertible duct conguration

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Product Data

48SS Single-Package Gas Heating/Electric Cooling Units

11¤2 to 5 Nominal Tons

Single-Package Rooftop Products with Energy-Saving Features

·direct spark ignition

·low sound levels

·81% AFUE on most units

·10 SEER

Features/Bene®ts

One-piece heating and cooling units with low installation costs, depend- able performance, and easy maintenance

Easy installation

Factory-assembled package is a compact, fully self-contained, combina- tion gas heating/electric cooling unit that is prewired, prepiped, and precharged for minimum installation expense.

These 48SS units are available in a variety of standard and optional heating/cooling size combinations with voltage options to meet residen- tial and light commercial require- ments. Units are lightweight and install easily on a rooftop or a ground-level pad.

Convertible duct con®guration

Unit is designed for easy use in either down¯ow or horizontal applications.

Ef®cient operation

High-ef®ciency design with SEERs (Seasonal Energy Ef®ciency Ratios) of 10.0 and AFUE (Annual Fuel Utili- zation Ef®ciency) ratings as high as 81.0%. All units have a minimum CSE (California Seasonal Ef®ciency) rating of 76.5%.

Copyright 1998 Carrier Corporation

Form 48SS-4PD

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Contents Easy installation Features/BenetsConvertible duct conguration Efcient operationDurable, dependable components Model number nomenclature Table of contentsCooling Capacities and Efficiencies ARI* capacitiesOutdoor Sound ONE-THIRD Octave Band Data Ð Decibels Seer ÐHeating Capacities and Efficiencies Unit 48SS Heating Input Output Capacity TemperatureRise Range F AfuePhysical data Field-installed accessories Options and accessoriesUnit with Optional Base Rail 48SS018-042 Without Optional Base Rail Base unit dimensions48SS018-042 with Optional Base Rail Electrical Unit Weight Corner Weight Unit HeightUnit Characteristics Electrical Unit Weight Corner Weight48SS048,060 Without Optional Base Rail 48SS048,060 with Optional Base Rail Unit Electrical Unit WeightRoof Curb Dimensions Accessory dimensionsPart Number Accessory Part Number Selection procedure with exampleManual Outdoor AIR Damper Filter Racks and Filters FilterCooling Capacities Performance dataCooling Capacities Unit Motor 460 Volt Horizontal Discharge Size DRY Coil AIR DELIVERY* Ð Horizontal DischargeSpeed Unit DRY Coil AIR DELIVERY* Ð Vertical Discharge460 Volt Vertical Discharge Size Unit Size Airflow Pressure Drop WET Coil Pressure DropUnit Size Filter Horizontal Discharge Typical piping and wiringDownflow Discharge Application data Typical control wiring schematic 48SS030-060 208/230-3-60 Tran 48SS036-060Electrical data Sequence of operation ControlsHvac Guide Specications Guide specicationsPage Carrier Corporation · Syracuse, New York