Carrier 48SS - Manual
This technical manual provides detailed specifications for Carrier’s 48SS series of single-package gas heating/electric cooling rooftop units, emphasizing efficiency, durability, and installation requirements. The document covers key functional areas such as performance metrics–including SEER (Seasonal Energy Efficiency Ratio) and AFUE (Annual Fuel Utilization Efficiency)–alongside physical dimensions, electrical specifications, and operational limits for various models. It also addresses installation configurations, including ductwork compatibility, wiring diagrams, and optional accessories like base rails and low-ambient kits. Additionally, it includes performance data tables for cooling and heating capacities under different conditions, ensuring users can select units based on climate demands while adhering to safety and efficiency standards.
Table of Contents:
- Page 1 – Product Features and Energy Efficiency of Gas Heating/Cooling Units
- Page 2 – Specifications of 48SS Series Gas Furnace Components
- Page 3 – Model Nomenclature Structure and Performance Data
- Page 4 – Cooling Capacity and Sound Ratings for UNIT 48SS Models
- Page 5 – Heating Capacity and Efficiency Tables
- Page 6 – Physical Specifications for Air Conditioning Units
- Page 7 – Factory Options and Field Accessories
- Page 8 – Base Unit Dimensions and Physical Characteristics (48SS018-042)
- Page 9 – Installation Clearances and Dimensional Drawings (48SS018-042)
- Page 10 – Dimensional Specifications for Base Unit (48SS048,060)
- Page 11 – Installation Specifications for Base Unit (48SS048,060)
- Page 12 – Roof Curb Accessory Dimensions and Installation
- Page 13 – HVAC Unit Selection Procedure and Component Diagrams
- Page 14 – Cooling Performance Data Under Varying Conditions
- Page 15 – Cooling Capacity Based on Air Conditions
- Page 16 – Dry Coil Air Delivery Performance
- Page 17 – Vertical Discharge Air Delivery Performance Chart
- Page 18 – Pressure Drop Specifications
- Page 19 – Piping and Wiring Configuration Illustrations
- Page 20 – Application Data for Cooling Systems
- Page 21 – Control Wiring Schematic for Model 48SS018-060
- Page 22 – Control Wiring Schematic for Model 48SS030-060
- Page 23 – Control Wiring Schematic for Multiple Models
- Page 24 – Electrical Specifications and Voltage Imbalance Calculation
- Page 25 – Sequence of Operation Controls
- Page 26 – Packaged Heating/Cooling Unit Technical Specifications
- Page 27 – HVAC Unit Technical Specifications and Optional Components
Single-Package Rooftop Products
with Energy-Saving Features
• direct spark ignition
• low sound levels
• 81% AFUE on most units
• 10 SEER
Features/Benefits
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
configuration
Unit is designed for easy use in either
downflow or horizontal applications.
Efficient operation
High-efficiency design
with SEERs
(Seasonal Energy Efficiency Ratios)
of 10.0 and AFUE (Annual Fuel Utili-
zation Efficiency) ratings as high as
81.0%. All units have a minimum
CSE (California Seasonal Efficiency)
rating of 76.5%.
Product
Data
48SS
Single-Package
Gas Heating/Electric Cooling
Units
1
1
⁄
2
to 5 Nominal Tons
Copyright 1998 Carrier Corporation
Form 48SS-4PD
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About this manual
- Brand
- Carrier
- Model
- 48SS
- Document type
- Manual
- Language(s)
- English
- Pages
- 28
- File size
- 830.2 KB
- Format
Other Manuals for Carrier 48SS
Summary
Features of Carrier 48SS Single-Package Gas Heating/Electric Cooling Units, including energy-saving attributes like direct spark ignition, low sound levels, 81% AFUE, and 10 SEER. The unit is a factory-assembled, lightweight package designed for easy installation.
Features and specifications of the 48SS series gas furnace units, covering components such as energy-saving ignition, direct-drive blowers, refrigerant systems, heat exchangers, compressors, and control systems.
Table of contents detailing features, model nomenclature structure, performance data, installation guides, and how cooling capacity, heat level, options, and series are encoded in the model designation.
