MrCool Manuals & User Guides

User manuals, setup guides, troubleshooting help, and repair information for MrCool products.

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

MrCool manuals

Latest posts, featured manuals, and retailer-linked manuals for this brand tag.

MRCOOL 762917596655 Mini Split Remote Control Owner’s Manual

January 16, 2026

MRCOOL® Mini-Split Remote Control Owner's Manual MODELS: DIY® Wall-Mounted Air Handlers Easy Pro® Series Advantage Series Olympus Wall-Mounted Air Handlers Olympus Ceiling-Recessed Ducted Air Handlers Read this manual carefully before installation and keep it where the operator can easily find…

Brand: MrCOOL

MRCOOL MCAESAS4T Split System Air Conditioner Owner’s Manual

December 5, 2025

MRCOOL MCAESAS4T Split System Air Conditioner Specifications Product: Air Conditioner Model: MCAESAS4T*21AA Refrigerant: R-454B Product Usage Instructions Safety Precautions: Read the safety precautions carefully before using the product to avoid any damage or injury. Unit Overview: Understand the components and…

Brand: MrCOOL

MRCOOL MCAESAS4T21AA Signature Series Split System Heat Pump Installation Guide

December 5, 2025

MRCOOL MCAESAS4T21AA Signature Series Split System Heat Pump Specifications Product: MCAESAS4T*21AA Refrigerant: R-454B PRODUCT USING INSTRUCTIONS Product Information: This product is an air conditioning unit designed for cooling indoor spaces efficiently. It utilizes R-454B refrigerant for optimal cooling performance. Please…

Brand: MrCOOL

MRCOOL MCAEHFDX1AA Multi Position AHU Electric Heat Kit Installation Guide

November 26, 2025

MRCOOL® Signature Series Multi-Position AHU Electric Heat Kit Installation & Owner’s Manual MODELS: MCAEHFD*X1AA MCAEHFDX1AA Multi Position AHU Electric Heat Kit Read this manual carefully before installation and keep it where the operator can easily find it for future reference.…

Brand: MrCOOL

MRCOOL DIY 5th Single Zone Mini Split Heat Pump A-C User Guide

October 30, 2025

MRCOOL DIY 5th Single Zone Mini Split Heat Pump A-C INDOOR INSTALLATION STEP 1 Mounting Plate Installation Remove the metal mounting plate from the back of the indoor unit. Use the cardboard template to mark drill holes on wall studs.…

Brand: MrCOOL

MRCOOL DIYCASSETTE*HP-230D25-O Outtasight One Way Ceiling Cassette Air Handler Instruction Manual

September 11, 2025

DIYCASSETTE*HP-230D25-O Outtasight One Way Ceiling Cassette Air Handler Specifications: Product: DIYCASSETTE*HP-230D25-O Refrigerant: R-454B Version Date: July 24, 2025 Website: www.mrcool.com/documentation Product Usage Instructions: 1. Safety Precautions: Read and follow all safety precautions outlined in the manual to prevent damage, injury,…

Brand: MrCOOL

MRCOOL Outtasight Mini Split Remote Control Owner’s Manual

August 6, 2025

MRCOOL Outtasight Mini Split Remote Control Specifications & Compatibility Rated Voltage: 3.0V (Dry Batteries R03/LR03x2) Signal Receiving Range: 26 ft (8m) Environment: Compatible Models: Olympus DIYCASSETTE06HP-230D25 DIYCASSETTE09HP-230D25 DIYCASSETTE12HP-230D25 DIYCASSETTE18HP-230D25 CASSETTE09HP-230C-O CASSETTE12HP-230C-O CASSETTE18HP-230C-O CASSETTE24HP-230C-O Handling Inserting & Replacing Batteries Slide the…

Brand: MrCOOL

MRCOOL DIY E Star Series Ductless Mini Split Air Conditioner Heat Pump Installation Guide

July 5, 2025

MRCOOL DIY E Star Series Ductless Mini Split Air Conditioner Heat Pump Specifications Maximum Line Set Length: 12K System: 82 ft (25 m) 18K System: 98 ft (30 m) 24K System: 98 ft (30 m) 36K System: 98 ft (30…

Brand: MrCOOL

MRCOOL MVPHK Hyper Heat Heat Kit Owner’s Manual

June 25, 2025

MRCOOL MVPHK Hyper Heat Heat Kit Specifications Product: MVPHK** Refrigerant: R-454B Safety Precautions Read Before Using Incorrect usage may cause serious damage or injury. The symbols below are used throughout this manual to indicate instructions that should be followed closely…

Brand: MrCOOL

MRCOOL Easy Pro Series Mini Split Remote Control Owner’s Manual

June 6, 2025

Easy Pro Series Mini Split Remote Control Specifications & Compatibility Rated Voltage: 3.0V (Dry Batteries R03/LR03x2) Signal Receiving Range: 26 ft (8m) Environment: DIY-09-HP-WMAH-115D25-O DIY-12-HP-WMAH-115D25-O Compatible Models: Olympus: EZPRO-09-HP-WMAH-115D-O Advantage: A-09-HP-WMAH-115D-O Product Usage Instructions Handling 3.1 Inserting & Replacing…

Brand: MrCOOL

MRCOOL DIY Series Single-Zone Mini-Split System Installation & Owner's Manual

Installation and Owner's Manual • January 15, 2026

Comprehensive installation and owner's manual for the MRCOOL DIY Series Single-Zone Mini-Split System. Covers safety, unit overview, installation, operation, maintenance, and troubleshooting for your ductless mini-split air conditioner and heat pump. Includes model numbers DIY-*-HP-WMAH-115D25-O, DIY-*-HP-WMAH-230D25-O, DIY-*-HP-C-115D25-O, DIY-*-HP-C-230D25-O.

Brand: MRCOOL

MRCOOL Mini-Split Remote Control Owner's Manual - User Guide

Owner's Manual • January 14, 2026

Comprehensive owner's manual for the MRCOOL® Mini-Split Remote Control. Covers specifications, quick start guide, handling, button functions, screen indicators, basic and advanced operations, and compatibility for DIY®, Easy Pro®, Advantage, and Olympus series air handlers.

Brand: MRCOOL

MRCOOL DIY® Series Single-Zone Mini-Split System Service Manual

Service Manual • January 14, 2026

Comprehensive service manual for MRCOOL DIY® Series Single-Zone Mini-Split Systems, covering installation, maintenance, troubleshooting, and technical specifications for HVAC professionals.

Brand: MRCOOL

MRCOOL® DIY® Series Hybrid Air Handler Installation & Owner's Manual

Installation & Owner's Manual • January 14, 2026

Comprehensive installation and owner's manual for the MRCOOL® DIY® Series Hybrid Air Handler (Model: DIY-*-HP-MUAH-230D25-O). Includes safety precautions, installation guides, operating conditions, troubleshooting, and maintenance information.

Brand: MRCOOL

MRCOOL 5th Gen DIY Quick Start Guide: Single-Zone Mini-Split Heat Pump A/C Installation

Quick Start Guide • January 14, 2026

A simplified overview for installing the MRCOOL 5th Gen DIY Single-Zone Mini-Split Heat Pump A/C, covering indoor and outdoor unit setup, refrigerant lines, wiring, and testing. Includes step-by-step instructions and links to further resources.

Brand: MRCOOL

MRCOOL DIY® Series Single-Zone Mini-Split System: Installation & Owner's Manual

Installation and Owner's Manual • January 14, 2026

Comprehensive installation and owner's manual for the MRCOOL DIY® Series Single-Zone Mini-Split System. Covers safety, unit overview, installation, electrical connections, troubleshooting, and maintenance for models DIY-*-HP-WMAH-115D25-O, DIY-*-HP-WMAH-230D25-O, DIY-*-HP-C-115D25-O, and DIY-*-HP-C-230D25-O.

Brand: MRCOOL

MRCOOL MST05 Smart Wi-Fi Mini-Stat: Features, Installation, and App Guide

Product Overview • January 8, 2026

Explore the MRCOOL MST05 Smart Wi-Fi Mini-Stat, a smart thermostat designed for efficient home climate control. Learn about its advanced features, Comfy Max AI, DIY installation, the SmartHVAC app, and compatibility with MRCOOL LINK.

Brand: MRCOOL

MRCOOL 18 SEER R410A Series Unitary Ducted Split AC Thermostat Owner's Manual and Installation Guide

Owner's Manual • January 8, 2026

This comprehensive manual provides detailed information for the MRCOOL 18 SEER R410A Series Unitary Ducted Split AC. It covers thermostat operation, installation procedures, safety precautions, technical specifications, wiring diagrams, troubleshooting, and maintenance for commercial and residential applications.

Brand: MRCOOL

MRCOOL Wireless UVC Button Pairing Guide: Step-by-Step Instructions

Instruction Guide • January 8, 2026

Detailed instructions for pairing the MRCOOL Wireless UVC Button with a UVC lamp system. Covers wiring connections, memory priming, and the final pairing steps.

Brand: MRCOOL

MRCOOL DIY Series Outtasight One-Way Cassette: Installation and Owner's Manual

Installation and Owner's Manual • January 3, 2026

Comprehensive installation and owner's manual for the MRCOOL DIY Series Outtasight One-Way Cassette air conditioner. Covers safety precautions, unit overview, installation steps for indoor and outdoor units, refrigerant piping, electrical connections, post-installation checks, and troubleshooting.

Brand: MRCOOL

MRCOOL DIY Hyper Heat Series Mini-Split System: Installation & Owner's Manual

installation manual, owner's manual • December 30, 2025

Comprehensive installation and owner's manual for the MRCOOL DIY Hyper Heat Series Single-Zone Mini-Split System. Covers safety, unit overview, installation, connections, post-installation checks, and troubleshooting.

Brand: MRCOOL

MRCOOL PRODIRECT™ Series Installation & User Manual

Installation & User Manual • December 26, 2025

Comprehensive installation and user manual for the MRCOOL PRODIRECT™ Series Split System Heat Pump & Air Conditioner (HHP150* & HAC150*). Covers installation, operation, safety, troubleshooting, and maintenance for optimal performance. Includes detailed diagrams and specifications.

Brand: MRCOOL