Ductless Master

Ductless Master — The Ultimate Field Guide for Midea Ductless Systems Ductless Master is the technical service companion built specifically for HVAC technicians working on Midea and Midea-manufactured ductless systems. Created by trade professionals at HVAC Pocket Pro, this app skips the dense engineering theory and delivers exactly what you need on the job: clear troubleshooting steps, how-to videos, wiring schematics, field-tested tips, and factory documentation — all designed to help you solve problems fast and get off the job site. Whether you're commissioning a multi-zone mini-split or diagnosing an inverter board error on a crossover system, Ductless Master puts better-than-factory-grade intel right at your fingertips. INTERACTIVE HYBRID & CROSSOVER CONFIGURATOR Take the guesswork out of hybrid and crossover condenser setups. Answer a simple series of yes/no prompts to instantly receive: • Exact low-voltage and high-voltage field wiring diagrams • Precise outdoor unit DIP switch configurations • Jumper configurations and thermostat interface settings COMPONENT-LEVEL TROUBLESHOOTING & VIDEO GUIDES Stop guessing which board or sensor failed: • HD, technician-focused video walkthroughs for every Midea electrical and mechanical component • Written, step-by-step diagnostic workflows paired with real field meter testing • Error code breakdowns with prioritized causes and component testing values EQUIPMENT COMPATIBILITY WIZARDS Quickly verify equipment matchups and accessory compatibility: • Fast multi-zone head sizing combination checks to confirm proper indoor-to-outdoor capacity ratios • Verified accessory and interface module compatibility • Model compatibility • Quick-reference port sizing, flare torque values, and factory pre-charge calculations FACTORY DOCUMENT LIBRARY & SMART SEARCH • Integrated smart search to instantly find answers by symptom, fault code, or part number • Always current with the latest manufacturer revisions BROAD BRAND & WHITE-LABEL COVERAGE Comprehensive technical coverage across the full family of Midea-manufactured equipment, including Carrier, Bryant, Payne, Comfortmaker, ICP family brands (Tempstar, Arcoaire, Heil, KeepRite), and other major Midea white-label mini-split and crossover systems. Built by technicians, for technicians. Keep Ductless Master in your tool bag to diagnose faster, wire accurately, and get the job done right the first time. SUBSCRIPTION Ductless Master Premium is available as a monthly or annual auto-renewing subscription. Payment is charged to your Apple Account at confirmation of purchase. Subscriptions renew automatically unless canceled at least 24 hours before the end of the current period. Manage or cancel anytime in your Apple Account settings. Terms of Use (EULA): https://www.hvacpocketpro.com/blank-8 Privacy Policy: https://www.hvacpocketpro.com/blank-1