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Carrier
48SS manual
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Contents
Main
Features/Benets
Easy installation
Convertible duct conguration
Product Data
1
Single-Package Gas Heating/Electric Cooling Units
to 5 Nominal Tons
Durable, dependable components
Table of contents
Model number nomenclature
ARI* capacities
COOLING CAPACITIES AND EFFICIENCIES
OUTDOOR SOUND: ONE-THIRD OCTAVEBAND DATA DECIBELS
HEATING CAPACITIESAND EFFICIENCIES
Physical data
Options and accessories
Field-installed accessories
Base unit dimensions
LEGEND CG Center of Gravity COND Condenser LV Low Voltage
48SS018-042 WITHOUT OPTIONAL BASE RAIL
48SS018-042 WITH OPTIONAL BASE RAIL
Base unit dimensions (cont)
48SS048,060 WITHOUT OPTIONAL BASE RAIL
48SS048,060 WITH OPTIONAL BASE RAIL
Accessory dimensions
ROOF CURB DIMENSIONS
Selection procedure (with example)
Performance data
COOLING CAPACITIES
Above 80 F edb, add (corr factor x cfm) to SHC.
COOLING CAPACITIES (cont)
Above 80 F edb, add (corr factor x cfm) to SHC.
Performance data (cont)
DRY COIL AIR DELIVERY* HORIZONTALDISCHARGE (Deduct 10% for 208 v)
DRY COIL AIR DELIVERY* VERTICAL DISCHARGE (Deduct 10% for 208 v)
Performance data (cont)
WET COIL PRESSURE DROP
FILTER PRESSURE DROP (in. wg)
Typical piping and wiring
HORIZONTAL DISCHARGE
DOWNFLOW DISCHARGE
Application data
48SS018-060; 208/230-1-60
48SS030-060; 208/230-3-60
48SS036-060; 460-3-60
Electrical data
Never operate a motor where a phase imbalance in supply voltage is greater than 2%.
Controls
Sequence of operation
Guide specications
Packaged Heating/Cooling Units Constant Volume Application
HVAC Guide Specications