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Carrier| Commercial Systems North America
48PG CENTURION?

48PG CENTURION?

Product catalog summary

Features and Benefits:
The Carrier Centurion 48PG Series offers high efficiency with SEER ratings up to 14.8 and EER up to 12.5, using eco-friendly Puron (R-410A) refrigerant. Designed for easy installation and maintenance, these units feature convertible duct airflow, hinged access doors, and slide-out components.

Specifications:
The units exceed ASHRAE 90.1 and ENERGY STAR standards, ensuring low operating costs and eligibility for utility rebates. Available in sizes from 2 to 12.5 nominal tons, they use only two roof curb sizes for all models.

Installation and Maintenance:
Field-convertible units allow for vertical or horizontal airflow configurations. They feature large component areas for easy access, with hinged panels and slide-out components.

Optional Systems:
The Humidi-MiZer adaptive dehumidification system and EnergyX energy recovery system enhance operational flexibility and efficiency.

Construction and Reliability:
Units are made with weather-resistant galvanized steel and fully insulated cabinets. They are factory run-tested and manufactured in an ISO 9001:2000 registered facility.

Sound and Control:
Operating at sound levels as low as 72 dB, the units offer quiet operation. Integrated controls provide flexibility and diagnostics, with options for ComfortLink controls and economizers.

Integrated Gas Control (IGC) Features:
The IGC enhances troubleshooting with visual fault notifications and system status confirmations, including anti-cycle protection for gas heat.

Efficient Operation:
The unit features tubular, dimpled gas heat exchangers for optimized heat transfer and efficiency, with an Alumagardt coating for corrosion resistance.

Safety Features:
Units include a flame rectification sensor for quick flame detection and shutdown in case of failure, with safety controls to prevent excessive temperatures.

ComfortLink Control Option:
Offers easy-to-use features for temperature and humidity control, reliability, and diagnostics, supporting CO2 sensors and smoke detectors.

3V Control System:
Compatible with the 3V zoning system, optimizing equipment control through airside linkage.

Model Number Nomenclature:
Details on model numbers, including product series type, nominal capacity, control options, and more.

AHRI Capacity Ratings:
Lists capacity ratings for various models, including net cooling capacity, power, SEER, EER, sound rating, and IEER.

Heating Capacities and Efficiencies:
Details on heating input, capacity, temperature rise, and thermal efficiency for vertical and horizontal supply units.

Specifications and Components:
Outlines components and specifications for HVAC units, including motorized and manual dampers, economizer sensors, and electrical controls.

Weight Adders:
Weight specifications for various options and accessories for different unit models.

Selection Procedure:
Involves determining cooling and heating requirements, selecting units based on cooling capacity, and calculating fan speed and power requirements.

Controls and Operating Sequence:
Describes the operating sequence for heating and cooling, including the use of economizers and CO2 sensors.

IGC LED Indications:
Error codes and LED indications for the IGC provide diagnostic information.

Cooling and Thermostat Control:
Outlines the cooling process using thermostat control, with details on compressor-staging algorithms.

Humidi-MiZer Dehumidification System:
Offers improved dehumidification through multiple modes, including Normal Cooling and Reheat modes.

Application Data:
Guidelines for installation and operation of Centurion PG rooftop units, emphasizing outdoor use and service connections.

Heating and Airflow Considerations:
Details on heating-to-cooling changeover, airflow requirements, and motor limits.

Environmental Considerations:
Discusses condenser coil protection options for various environmental conditions.

Unit Sizing and Outdoor Air Strategies:
Advises against oversizing air conditioners and recommends right-sizing for better humidity control and efficiency.

Energy Recovery Devices:
Energy recovery devices like the EnergyX offer significant energy savings and enhance RTU performance.

Guide Specifications:
Details on unit specifications, quality assurance, and delivery, storage, and handling recommendations.

Special Features:
Includes features like full perimeter roof curbs, integrated economizers, and CO2 sensors.

Cooling Capacities:
Provides cooling capacities for various temperatures and airflows, with details on total capacity and power input.

Fan Performance Specifications:
Provides detailed fan performance data for various units, including airflow and static pressure specifications.

Accessory Pressure Drop:
Includes tables for accessory pressure drop for economizers and Humidi-Mizer systems.

Power Exhaust and Damper Performance:
Provides performance data for power exhaust and barometric relief flow capacity.

Altitude Compensation:
Tables for altitude compensation for natural gas and LP orifice sizes.

Evaporator Fan Motor Specifications:
Specifications for evaporator fan motors, including drive voltage/phase and efficiency.

Electrical Specifications:
Details electrical specifications for units with optional powered convenience outlets.

Procedures:
Outlines the procedure for calculating voltage imbalance in a three-phase supply.

Standards and Recommendations:
Emphasizes compliance with the National Electrical Code (NEC) for multimotor and combination load equipment.

Wiring Schematics:
Provides typical wiring schematics for control and power systems.

Catalog excerpts

Ultra High Efficiency Single Package Gas Heating/Electric Cooling Commercial Rooftop Units with PURON® (R-410A) Refrigerant | Product Data DEALER DESIGN Editors Choke the environmentally sound refrigerant Copyright 2010 Carrier Corp. • 7310 W. Morris St. • Indianapolis, IN 46231 Printed in U.S.A. Edition Date: 09/10 Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.

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Easy Installation PAGE FEATURES/BENEFITS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 MODEL NUMBER NOMENCLATURE . . . . . . . . . . . . . . . . . 6 AHRI CAPACITY RATINGS . . . . . . . . . . . . . . . . . . . . . . . . . . 7 PHYSICAL DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 OPTIONS AND ACCESSORIES . . . . . . . . . . . . . . . . . . . . . . 15 BASE UNIT DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . . . . . 17 ACCESSORY DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . . . . 20 SELECTION PROCEDURE . . . . . . . . . . . . . . ....

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These controls provide temperature, pressure readings and all diagnostics electronically on the unit by utilizing a large visual display on the Scrolling Marquee. All messages are largely displayed in full text so no decoding is required. All sensor information can be accessed at the Scrolling Marquee, so no gages are needed. If remote capabilities are necessary, ComfortLink provides network capabilities as well. Optional Humidi-MiZert Adaptive Dehumidification System Carrier’s Humidi-MiZer adaptive dehumidification system is an all-inclusive factory-installed option that can be ordered with...

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Durable, Dependable Construction Weather-resistant cabinets are constructed of galvanized steel and all exterior panels are coated with a prepainted baked enamel finish. The paint finish is a non-chalking type that provides years of maximum aesthetic protection. Fully-insulated cabinets include non-fibrous, foil-faced cleanable insulation that is mechanically secured and encapsulated in unit design. Totally enclosed condenser-fan, gas heat vent motor, and evaporator fan motor use permanently lubricated bearings to provide additional unit dependability. The shaft-down design of the condenser fan...

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The ComfortLink control is your link to a world of simple and easy to use rooftop units that offer outstanding performance and value. When used with a space temperature sensor, the ComfortLink controls’ intelligence maintains control over the economizer and condenser fans and optimizes the performance of the refrigeration circuits as conditions change resulting in the following features: S better control of temperature and humidity S superior reliability S automatic redundancy S low ambient cooling operation to 0_F S more accurate diagnostics, at unit or remote The ComfortLink Scrolling Marquee...

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MODEL NUMBER NOMENCLATURE 48PG Product Series Type 48PG --- Single Packaged Rooftop Unit with PURONR Refrigerant Gas Heat Electric Cooling, Constant Volume Gas Heat Options D --- Low Heat Standard Heat Exchanger E --- Medium Heat Standard Heat Exchanger F --- High Heat Standard Heat Exchanger L* --- Low Heat Stainless Steel Heat Exchanger M* --- Medium Heat Stainless Steel Heat Exchanger N* --- High Heat Stainless Steel Heat Exchanger Factory--- Installed Options** Base Unit Control Type C --- ComfortLinkt DDC Controls M --- Electro--- Mechanical Controls EnergyXt Options*** --- --- Standard,...

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AHRI* CAPACITY RATINGS NOMINAL CAPACITY (Tons) NET COOLING CAPACITY (Btuh) LEGEND dB EER IEER SEER Decibel Energy Efficiency Ratio Integrated Energy Efficiency Ratio Seasonal Energy Efficiency Ratio *Air Conditioning, Heating and Refrigeration Institute. {AHRI does not require EER ratings for units with capacity below 65,000 Btuh. NOTES: 1. Tested in accordance with ARI Standards 210 ---94 (03 ---12 sizes), and 360 ---95 (14 sizes). 2. Ratings are net values, reflecting the effects of circulating fan heat. 3. Ratings are based on: Cooling Standard: 80 F db, 67 F wb indoor entering---air temperature...

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Heating Capacities and Efficiencies - 48PG03-14 Vertical and Horizontal Supply Units with Natural Gas (Single Phase) UNIT 48PG Standard Stainless Steel HEATING INPUT (Btuh) HEATING CAPACITY[ (Btuh) THERMAL EFFICIENCY (%) THERMAL EFFICIENCY (%) Vertical and Horizontal Supply Units with Natural Gas (Three Phase) UNIT 48PG Stainless Steel HEATING INPUT Stage 2 (Btuh) HEATING INPUT Stage 1 (Btuh) OUTPUT CAPACITY Stage 2 (Btuh) THERMAL EFFICIENCY (%) Vertical and Horizontal Supply Units with Propane Gas (Single Phase) Standard F03 D04 E04 F04 D05 E05 F05 D06 E06 F06 LEGEND AFUE ASHRAE Engineers LP...

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AHRI* CAPACITY RATINGS (CONT) Heating Capacities and Efficiencies - 48PG03- (Cont) -14 Vertical and Horizontal Supply Units With Propane Gas (Three Phase) Stainless Steel HEATING INPUT Stage 2 (Btuh) HEATING INPUT Stage 1 (Btuh) OUTPUT CAPACITY Stage 2 (Btuh) LEGEND AFUE ASHRAE LP Annual Fuel Utilization Efficiency American Society of heating, Refrigeration and Air Conditioning Engineers Liquid Propane * These models are certified for NOx emissions less than 40 hg/J. Fully compliant with California SCAQMD Rule 1111. { Annual Fuel Utilization Efficiency (AFUE) and Heating Capacity of single---...

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OPERATION AIR QUANTITY LIMITS 48PG03- Vertical and Horizontal Units -14 COOLING (cfm) 03 04 (Low Heat) 04 (Med Heat) 04 (High Heat) 05 (Low Heat) 05 (Med Heat) 05 (High Heat) 06 (Low Heat) 06 (Med Heat) 06 (High Heat) 07 (Low Heat) 07 (Med Heat) 07 (High Heat) 08 (Low Heat) 08 (Med Heat) 08 (High Heat) 09 (Low Heat) 09 (Med Heat) 09 (High Heat) 12 (Low Heat) 12 (Med Heat) 12 (High Heat) 14 (Low Heat) 14 (Med Heat) 14 (High Heat) *Consult tables on pages 8 and 9 if using a stainless steel heat exchanger. Outdoor Sound Power (Total Unit) UNIT 48PG LEGEND dB --- Decibel * Sound Rating AHRI or tone...

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PHYSICAL DATA Physical Data - 48PG03-07 Type Drive Nominal Cfm Maximum Continuous Bhp Motor Nominal Rpm Motor Frame Size Fan Rpm Range Motor Bearing Type Maximum Fan Rpm Motor Pulley Pitch Diameter Range (in.) Fan Pulley Pitch Diameter (in.) Nominal Motor Shaft Diameter (in.) Belt...Pitch Length (in.) Belt…Type Pulley Center Line Distance Min. (in.) Pulley Center Line Distance Max. (in.) Speed Change per Full Turn of Movable Pulley Flange (rpm) Movable Pulley Maximum Full Turns from Closed Position Factory Pulley Setting (rpm) Fan Shaft Diameter at Pulley (in.) Low High Low High Low High Low...

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48PG CENTURION?

48PG CENTURION?

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