This document is a service manual for GREE Electric Appliances, Inc. of Zhuhai, covering their GJC07AJ-D6DRNC2A and GJC09AJ-D6DRNC2A indoor unit models. The manual provides comprehensive information for technical understanding, installation, maintenance, and troubleshooting of these air conditioning units.
Function Description:
The GREE air conditioning units are designed for indoor climate control, offering various operation modes including cooling, drying, auto, and fan-only. They are equipped with a remote controller (YAW1F7(WiFi)) for convenient operation and can also be controlled via a control panel on the unit itself. Advanced control features include GREE+ App and Ewpe Smart App compatibility for remote and smart home integration. The units are designed to operate within a set temperature range, automatically adjusting fan speed and compressor operation based on ambient conditions and user preferences. Special functions like sleep mode, 8°C heating, health mode, and X-FAN function are also available, depending on the model. The units incorporate a filter button to remind users to clean the air filter after 250 hours of operation, ensuring efficient performance. Power-off memory is included, allowing the unit to resume its last operating status after a power recovery.
Important Technical Specifications:
The manual details specifications for two models: GJC07AJ-D6DRNC2A and GJC09AJ-D6DRNC2A.
- Rated Voltage: Both models operate at 230V.
- Rated Frequency: Both operate at 60Hz.
- Phases: Both are single-phase units.
- Cooling Capacity: GJC07AJ-D6DRNC2A has a cooling capacity of 2472(722-2722)W, while GJC09AJ-D6DRNC2A has 2889(800-1140)W.
- Cooling Power Input: GJC07AJ-D6DRNC2A consumes 725(220-900)W, and GJC09AJ-D6DRNC2A consumes 900(220-1100)W.
- Cooling Power Current: GJC07AJ-D6DRNC2A draws 3.4A, and GJC09AJ-D6DRNC2A draws 4.15A.
- Rated Input: GJC07AJ-D6DRNC2A has a rated input of 1000W, and GJC09AJ-D6DRNC2A has 1200W.
- Rated Current: GJC07AJ-D6DRNC2A has a rated current of 4.8A, and GJC09AJ-D6DRNC2A has 5.5A.
- Air Flow Volume (H/M/L): GJC07AJ-D6DRNC2A is 300/275/200 m³/h, and GJC09AJ-D6DRNC2A is 320/275/210 m³/h.
- Dehumidifying Volume: GJC07AJ-D6DRNC2A is 0.96 L/h, and GJC09AJ-D6DRNC2A is 1.21 L/h.
- EER/COP: GJC07AJ-D6DRNC2A has an EER of 3.4 and COP of 3.21. GJC09AJ-D6DRNC2A has an EER of 3.3 and COP of 3.21.
- SEER: GJC07AJ-D6DRNC2A has a SEER of 4.4, and GJC09AJ-D6DRNC2A has 4.3.
- Application Area: GJC07AJ-D6DRNC2A is suitable for 10-16 m², and GJC09AJ-D6DRNC2A for 12-18 m².
- Climate Type: Both are T1.
- Insulation: Both are IPX4.
- Permissible Excessive Operating Pressure for the Discharge Side/Suction Side: Both are 2.5 MPa.
- Dimension (WXHXD): Both models are 450X350X640 mm.
- Net Weight: GJC07AJ-D6DRNC2A is 28 kg, and GJC09AJ-D6DRNC2A is 28 kg.
- Gross Weight: GJC07AJ-D6DRNC2A is 30.5 kg, and GJC09AJ-D6DRNC2A is 30.5 kg.
- Refrigerant Type/Charge: Both use R32, with GJC07AJ-D6DRNC2A charged with 0.34 kg and GJC09AJ-D6DRNC2A with 0.32 kg.
- Compressor: Both models use ZHUHAI LANDA COMPRESSOR CO.,LTD, model QXF-A082zT190A, with ZE-GLES RB68GX or equivalent oil.
- Sound Pressure Level (H/M/L): GJC07AJ-D6DRNC2A is 59/46/42 dB(A) for indoor and 55/51/48 dB(A) for outdoor. GJC09AJ-D6DRNC2A is 61/50/43 dB(A) for indoor and 56/51/49 dB(A) for outdoor.
- Sound Power Level (H/M/L): GJC07AJ-D6DRNC2A is 65/61/58 dB(A) for outdoor. GJC09AJ-D6DRNC2A is 66/61/59 dB(A) for outdoor.
Usage Features:
- Remote Control: The YAW1F7(WiFi) remote controller allows users to turn the unit on/off, select operation modes (Auto, Cool, Dry, Fan Only, Heat), adjust fan speed (Low, Mid, High, Auto), set temperature, activate swing function, and set timers.
- Control Panel: In case the remote controller is lost, the unit can be operated manually via the control panel, offering basic functions like power on/off, swing, fan speed, mode selection, and timer/temperature adjustment.
- Smart App Control: Compatibility with GREE+ App and Ewpe Smart App enables long-distance control and LAN control, requiring iOS 7.0 or Android 4.4 and above.
- Temperature Settings: Temperature can be set in 1°F or 1°C increments, with quick adjustment by holding the +/- buttons. Timer settings can be adjusted in 0.5h or 1h increments.
- Filter Reminder: A "Filter" button and LED light remind users to clean the air filter after 250 hours of operation for optimal performance.
- Safety Precautions: The manual emphasizes strict adherence to safety precautions during installation and maintenance, including electrical safety, proper handling of refrigerant (R32), and ensuring adequate ventilation. It warns against improper installation, which can lead to fire, explosion, electric shock, or injury.
Maintenance Features:
- Malfunction Analysis: A detailed flowchart helps diagnose issues such as the unit not starting, breaker trips, remote controller malfunction, power voltage problems, poor cooling/heating operation, fan not running, compressor issues, water leakage, and abnormal sounds/shakes.
- Flashing LED Primary Judgement: The manual provides a table linking specific flashing patterns of yellow, red, and green indicator lights to potential malfunctions and their causes, such as high pressure protection, anti-freezing protection, system block, overcurrent, communication malfunction, and sensor errors.
- Removal Procedure: Step-by-step instructions with illustrations are provided for disassembling the unit, including removing the front case, cabinet, electric box assemblies, clapboard, air outlet frame, propellers, evaporator, condenser, lower volute, and water tray. This is crucial for accessing internal components for repair or replacement.
- Temperature Sensor Resistance Tables: Appendices include reference sheets for Celsius and Fahrenheit conversion and lists of resistance values for 15K, 20K, and 50K temperature sensors at various temperatures, which are essential for diagnosing sensor-related issues.
- Refrigerant Handling: Specific instructions are given for handling R32 refrigerant, including avoiding contact with fire, using specified refrigerant only, ensuring no leakage, and taking measures to minimize refrigerant density.
- Welding and Filling: Procedures for cutting, welding, and filling refrigerant are outlined, emphasizing the need for certified professionals and proper equipment.
- Storage and Transportation: Safety instructions for transporting and storing the unit, especially regarding flammable gas detection and avoiding fire sources, are provided.
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