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Carrier Manuals & User Guides

Carrier is a global leader in high-technology heating, air-conditioning, and refrigeration solutions, providing sustainable climate control for residential, commercial, and transport applications.

Tip: include the full model number printed on your Carrier label for the best match.

About Carrier manuals on Manuals.plus

Built on Willis Carrier's invention of modern air conditioning in 1902, Carrier is a world leader in heating, air-conditioning, and refrigeration solutions. The company provides a wide range of HVAC systems designed to improve comfort and efficiency in homes and businesses worldwide.

From furnaces and air conditioners to advanced thermostats and improve indoor air quality products, Carrier focuses on sustainable solutions that reduce energy consumption while maximizing performance. With a legacy of innovation, Carrier continues to define the industry with high-quality, reliable products backed by extensive support and warranty services.

Carrier manuals

Latest manuals from manuals+ curated for this brand.

Carrier R-454B Packaged Air-Handling Unit Instructions

Carrier R-454B Packaged Air-Handling Unit Instructions

February 10, 2026
Carrier R-454B Packaged Air-Handling Unit Product Information Model: 40RLA/S/Q 07-12 Type: Packaged Air-Handling Units Refrigerant: Puron AdvanceTM (R-454B) Frequency: 60 Hz Country of Manufacture: U.S.A. Catalog No.: 04-53400104-01 Form No.:…
Carrier Opening Revit Blocks Guide User Guide

Carrier Opening Revit Blocks Guide User Guide

February 6, 2026
Carrier Opening Revit Blocks Specifications Product Name: Revit Block Category: Mechanical Equipment View Options: 2D, 3D Customization: Available Opening Revit Blocks guide Create a new project on Revit via File…
Carrier i-Vu Express v10.0 System User Manual

Carrier i-Vu Express v10.0 System User Manual

February 6, 2026
Carrier i-Vu Express v10.0 System Security best practices Carrier takes the security of our systems very seriously and you play the biggest part in this by installing and configuring systems…
Carrier SWRSC-HAP52 Heat Pump User Guide

Carrier SWRSC-HAP52 Heat Pump User Guide

January 30, 2026
Carrier SWRSC-HAP52 Heat Pump Update Description About HAP v5.2. HAP v5.2 supersedes v5.11, the legacy version of HAP using 2-D modeling. v5.2 contains the following changes: Project Management. Implemented a…
Carrier SWRSC-SDL52 System Design Load v5.2 User Guide

Carrier SWRSC-SDL52 System Design Load v5.2 User Guide

January 30, 2026
Carrier SWRSC-SDL52 System Design Load v5.2 Update Description About System Design Load (SDL) v5.2. SDL v5.2 supersedes v5.11, the legacy version of SDL using 2-D modeling. v5.2 contains the following…
Carrier TL007 2025 USB Detection Instructions

Carrier TL007 2025 USB Detection Instructions

January 26, 2026
Carrier TL007 2025 USB Detection Specifications Number: TL007 - 2025 Subject: USB Detection Released: November 5, 2025 Information Carrier has received reports of a “no USB” message being displayed primarily…
Carrier 42DT Ducted Fan Coil Units User Manual

Carrier 42DT Ducted Fan Coil Units User Manual

January 26, 2026
Carrier 42DT Ducted Fan Coil Units Specifications Product: Ducted Fan Coil Unit Application: Horizontal concealed ceiling Installation: Easy Maintenance: CE certified DUCTED FAN COIL UNITS 42DT The Carrier 42DT is…
Carrier 39MN,MW03-110 Ultraviolet Lamps Installation Instructions

Carrier 39MN,MW03-110 Ultraviolet Lamps Installation Instructions

Installation Instructions
Installation instructions for Carrier 39MN,MW03-110 Ultraviolet (UV-C) Lamps used in cooling coil sections. Includes safety, general information, installation, testing, maintenance, operation, and troubleshooting for part numbers 39MX40136001 through 39MX40136018 and…
Carrier Wall Mounted Air Conditioner Installation Manual

Carrier Wall Mounted Air Conditioner Installation Manual

Installation Manual
This official Carrier Installation Manual provides comprehensive, step-by-step instructions for the professional installation of Carrier Wall Mounted Air Conditioners. It is designed to ensure proper setup, optimal performance, and safety…
Carrier i-Vu® Express v10.0 Installation and Start-up Guide

Carrier i-Vu® Express v10.0 Installation and Start-up Guide

Installation Guide
Comprehensive guide for installing and starting up the Carrier i-Vu® Express v10.0 building automation system. Learn about remote access, control parameters, trending, alarms, and reporting for efficient building management. Includes…
D5MUWA Crossover Multi-Family Air Handler Owner's Manual

D5MUWA Crossover Multi-Family Air Handler Owner's Manual

manual
Owner's manual for the D5MUWA Crossover Multi-Family Air Handler (Sizes 18K - 36K), providing detailed information on installation, operation, controls, maintenance, troubleshooting, and safety precautions. Includes error codes and system…

Carrier manuals from online retailers

Carrier CDHC-200AYMAEYH 20L Dehumidifier User Manual

Carrier CDHC-200AYMAEYH 20L Dehumidifier User Manual

CDHC-200AYMAEYH • December 20, 2025
Comprehensive user manual for the Carrier CDHC-200AYMAEYH 20L Dehumidifier, covering setup, operation, maintenance, troubleshooting, and specifications for effective moisture removal and air purification.
Carrier 20L Dehumidifier CDHC-200ACLWOYH User Manual

Carrier 20L Dehumidifier CDHC-200ACLWOYH User Manual

CDHC-200ACLWOYH • November 30, 2025
Comprehensive user manual for the Carrier 20L Dehumidifier model CDHC-200ACLWOYH, covering setup, operation, maintenance, troubleshooting, and specifications for efficient moisture removal in home environments.
Carrier Chiller EXV Board Instruction Manual

Carrier Chiller EXV Board Instruction Manual

32GB500192EE / 32GB500422EE • October 25, 2025
Comprehensive instruction manual for the Carrier Chiller EXV Board models 32GB500192EE and 32GB500422EE, covering specifications, installation, operation, maintenance, and troubleshooting for HVAC professionals.
Carrier Electronic Expansion Valve Control Panel User Manual

Carrier Electronic Expansion Valve Control Panel User Manual

PD4-EXV 32GB500422EE • October 25, 2025
Comprehensive user manual for the Carrier PD4-EXV 32GB500422EE, 32GB500192EE, and CEPL130415-03 Electronic Expansion Valve Control panels, covering installation, operation, maintenance, and specifications.

Carrier video guides

Watch setup, installation, and troubleshooting videos for this brand.

Carrier support FAQ

Common questions about manuals, registration, and support for this brand.

  • How do I find the serial number on my Carrier unit?

    The serial number is typically found on the rating plate or data label located on the side or back of the unit's cabinet. You will need this number for warranty lookups and service requests.

  • How often should I change the air filter in my Carrier system?

    Air filters should generally be inspected every 3 to 4 weeks and replaced or cleaned when dirty. A clogged filter can restrict airflow and reduce system efficiency.

  • Why is my Carrier air conditioner leaking water?

    Water leakage often indicates a blocked condensate drain line, a dirty drain pan, or a unit that is not level. Refer to the troubleshooting section of your user manual for specific maintenance steps.

  • Where can I register my Carrier product for warranty?

    You can register your equipment online via the Carrier Product Registration page within 90 days of installation to ensure full warranty benefits.

  • Does Carrier offer technical support for thermostats?

    Yes, support for Carrier Infinity, COR, and other thermostats is available through the residential support page or by contacting your local authorized Carrier dealer.