🏷️ Basic Information Identification Make: Haier Model: HD306 Product Type: Air Conditioner Part Number: AC-8888-190 📋 Manual Details Description Manual Type: Service Manual Manual Purpose: DIY Repair and Troubleshooting Target Audience: End-users and Technicians Format Format: PDF Download Content Content Detail: Simple and Detailed Repair Instructions 🛡️ Safety Features Precautions Electrical Safety: Disconnect power before servicing Handling Refrigerant: Requires professional handling 🔧 Maintenance Cleaning Filter Cleaning Frequency: Monthly (recommended) Coil Cleaning: Annual (or as needed) Troubleshooting Common Issues Covered: Cooling performance, fan operation, electrical faults 📄 Technical Specifications Cooling Cooling Capacity: 3060 BTU/hr Power Power Supply: 110-120V, 60Hz Refrigerant Refrigerant Type: R134a Dimensions Unit Dimensions: Refer to manual for specific measurements Weight Unit Weight: Refer to manual for specific weight 📄 Parts Replacement Guidance Part Identification: Detailed diagrams provided Step By Step Instructions: Included for major components 📄 Diagnostics Fault Codes Diagnostic Codes: Refer to manual for error code interpretation 📄 Installation Guidelines Installation Checklist: Provided in manual 📄 Operation Controls Control Panel Functions: Explained in detail