Gree U-Match IV Series Service Manual – PDF DOWNLOAD

Description

Gree U-Match IV Series Service Manual – Repair, Maintenance & Error Codes PDF DOWNLOAD 

Description

Product Overview Master the service and repair of Gree’s versatile commercial air conditioning line with the Gree U-Match IV Series Service Manual. This comprehensive 170-page technical reference is designed for professional HVAC engineers and installation technicians. It covers the full range of DC Inverter systems, including Duct Type, Cassette Type, and Floor Ceiling Type indoor units matched with universal outdoor units.

Whether you are diagnosing a communication failure, performing a Gree cassette unit disassembly, or setting up the central controller, this manual provides the factory specifications and step-by-step procedures required. It features extensive sections on troubleshooting Gree E1 high pressure protection, sensor resistance values, and logic for the inverter drive modules.

Key Features:

• Deep Diagnostics: Complete Gree U-Match IV error codes list with detailed logic trees for resolving faults like Compressor Overload (H3), Communication Error (E6), and DC Fan Motor errors (H6).

• Control Logic: In-depth explanation of the operation flowchart for Cooling, Heating, and Dry modes, plus “Smart Zone Controller” and “Door Control” functions.

• Installation Guide: Precise data for piping length, refrigerant charge, and wiring for both single-phase and three-phase units.

• Repair Procedures: Illustrated disassembly guides for removing the water tray, fan motor, evaporator, and compressor replacement.

• Schematics: Full wiring diagrams for indoor and outdoor units, including PCB interface definitions.

Table of Contents & Categorized Index:

• 1. Product Information

  • Models List:

    • Outdoor Units: GUHD09NK3FO to GUHD60NM3FO

    • Indoor Units:

      • Duct Type: GFH09K3FI to GFH60K3FI

      • Cassette Type: GKH12K3FI to GKH60K3FI

      • Floor-Ceiling Type: GTH09K3FI to GTH60K3FI

  • Product Data: Nominal Capacity, Power Input, Noise Levels

  • Operation Range: Cooling (-15°C to 48°C), Heating (-10°C to 24°C)

  • Electrical Data: Fuse capacity, Power cord specs

• 2. Control Systems

  • Operation Flowcharts: Cooling/Dry/Heating logic

  • Remote Controllers: Wireless & Wired Controller (Installation & Settings)

  • Special Functions:

    • Filter Clean Reminder

    • Low Temperature Drying

    • Door Control & Human Sensitive Function

    • Centralized Controller (Smart Zone)

• 3. Installation

  • Indoor Unit Installation:

    • Duct Type (Clearance, Ductwork)

    • Floor Ceiling Type (Hanger location, Leveling)

    • Cassette Type (Panel installation, Drainage)

  • Outdoor Unit Installation: Clearance data, Vacuum procedures

  • Piping & Wiring: Connection precautions, Diagram for single/three-phase

• 4. Maintenance & Troubleshooting

  • Trouble Table:

    • Main Control Malfunction: E1, E2, E3, E4, E6, E9, F0-F5

    • Drive Malfunction: H3, H5, H6, P5, P7, P8, Lc, Ld

  • Flow Charts: Step-by-step fault isolation

  • Testing Methods: IPM Module and PFC testing

  • Disassembly Procedures:

    • Outdoor: Compressor, Motor, 4-Way Valve

    • Indoor: Fan Motor, Water Tray, Evaporator, Control Box

• 5. Exploded Views & Spare Parts

  • Detailed exploded diagrams with part names and codes for all models.

File Details

• Manual Name: Gree U-Match IV Series DC Inverter Air Conditioners Service Manual

• Models Covered:

  • Outdoor: GUHD09 – GUHD60 Series

  • Indoor: GFH (Duct), GKH (Cassette), GTH (Floor-Ceiling) Series

• Year: 2015 (Code GC201501-1)

• File Quality: High-Quality PDF (Text Searchable, Clear Vector Schematics, Exploded Views)

• No. of Pages: 183 Pages