Carrier 24ACB4 Series User Manual

24ACB4
Comfortt Series 14 Air Conditioner
with Puronr Refrigerant
1---1/2 to 5 Tons (Sizes 18 To 60)
Product Data
the environmentally sound refrigerant
Carrier Air C o n ditioners w ith Pu ro n r refrigerant provide a
collectio n o f features u nm atched by any o ther family o f
equipment. The 24ACB has been designed utilizing Carrier’s
Puron refrigerant. The environmentally sound refrigerant allows
you to make a responsible decision in the protection of the earth’s
ozone layer.
As an Energy Starr Partner, Carrier Corporation has determined
that this product meets the Energy Starr guidelines for energy
efficiency. Refer to the combination ratings in the Product Data
for system combinations that meet Energy Starr guidelines.
NOTE: Ratings contained in this document are subject to
change at any time. Always refer to the AHRI directory
(www.ahridirectory.org) for the most up -- to -- date ratings
information.
INDUSTRY LEADING
FEATURES / BENEFITS
Efficiency
S
14 SEER / 11.5 -- 12.0 EER
S Microtube Technologyt refrigeration system
S Indoor air quality accessories available
Sound
S
Sound level as low as 72 dBA
S Compressor sound blanket
Comfort
S
System supports Thermidistatt or standard thermostat
controls
Reliability
S
Puronr refrigerant -- environmentally sound, won’t
deplete the ozone layer and low lifetime service cost.
S Front--seating service valves
S Scroll compressor
S Internal pressure relief valve
S Internal thermal overload
S Low pressure switch
S High pressure switch
S Filter drier
S Balanced refrigeration system for maximum reliability
Durability
WeatherArmort protection package:
S Solid, Durable sheet metal construction
S Steel louver coil guard
S Baked -- on, complete outer coverage, powder paint
S Color matched ceramic coated screws
Applications
S
Long-- line -- up to 250 feet (76.2 m) total equivalent
length, up to 200 feet (60.96 m) condenser above
evaporator, or up to 80 ft. (24.38 m) evaporator above
condenser (See Longline Guide for more information.)
S Low ambient (down to --20 _F/-- 28.9_C) with accessory
kit

Carrier 24ACB4 Series Specifications

General

Refrigerant	R-410A
Stages	1
HSPF	Not Applicable
Voltage	208/230V
Phase	1
Type	Air Conditioner
Series	24ACB4
Compressor Type	Single Stage

Summary

Product Data

Industry Leading Features and Benefits

Key features and benefits of the Carrier 24ACB4 Comfort Series 14 Air Conditioner.

Model Number Nomenclature

Model Number Breakdown

Explains the structure and meaning of the model number for the 24ACB4 series.

Standard Features

Features by Unit Size

Lists standard features available across different unit sizes of the 24ACB4 series.

Physical Data

Unit Specifications and Dimensions

Details physical characteristics like weight, fan, coil, and refrigerant tube sizes.

Long Line Application Guidelines

Information on extended tubing lengths and their impact on cooling capacity.

Accessories and Thermostats

Accessory Order Numbers and Descriptions

Lists available accessories with their order numbers and applicability by unit size.

Thermostat and Subbase Packages

Details available thermostat models and their descriptions for the Comfort Series.

Accessory Usage Guidelines

Guidelines for Low-Ambient and Long-Line Applications

Specifies accessory requirements based on cooling and line set application conditions.

Accessory Descriptions and Usage

Detailed explanation of each accessory's function and recommended usage.

Accessory Details

Specific Accessory Functions and Usage

Details on Sound Hood, Support Feet, TXV, Time-Delay Relay, and Winter Start Control.

Electrical and Sound Data

Electrical Specifications and Requirements

Details unit voltage, circuit protection, wire sizing, and power requirements.

A-Weighted Sound Power Levels

Octave band sound power spectrum data for different unit sizes.

Charging Subcooling Data

Required subcooling values for TXV-type expansion devices by unit size.

English Dimensions and Weights

Unit Dimensions and Physical Characteristics

Provides detailed dimensions, weights, and clearance requirements for units.

SI Dimensions and Weights

Unit Dimensions and Physical Characteristics (Metric)

Provides metric dimensions, weights, and clearance requirements for units.

Installation Clearances

Recommended Unit Clearances for Airflow

Illustrates various installation scenarios with recommended clearances for optimal airflow.

Combination Ratings

Unit and Furnace Model Compatibility

Lists compatible indoor and furnace models with their cooling capacities and efficiency ratings.

Efficiency Ratings (EER & SEER)

Details the Energy Efficiency Ratio (EER) and Seasonal Energy Efficiency Ratio (SEER) for combinations.

Capacity and Phase Information

Provides cooling capacity (Btuh) and phase (1-phase) for various system configurations.

Detailed Cooling Capacities

Capacity by Evaporator/Condenser Conditions

Detailed cooling capacity data based on various evaporator and condenser air temperatures.

Capacity by Indoor Unit and Furnace Model

Cooling capacity data correlated with specific indoor unit and furnace models.

Power Consumption and Performance Factors

Details system power consumption (kW) and performance factors for various combinations.

Condenser Only Ratings

Ratings by Condenser Air Temperature

Condenser-only performance ratings based on varying outdoor air temperatures.

Ratings by System Configuration

Condenser-only ratings correlated with specific indoor and furnace model combinations.

Guide Specifications

General System Description and Quality

Overview of the air conditioner unit, its construction, and quality assurance standards.

Product Equipment and Components

Details of factory-assembled equipment, unit cabinet, fans, compressor, and refrigeration components.

Operating and Electrical Requirements

Specifications for unit operation, capacity, and electrical characteristics.