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Need help?Do you have a question about the Gree GMV-PD140W/NAB-K and is the answer not in the manual?
Read manual carefully, follow instructions, and note warning symbols for safe operation.
Check power supply, connections, grounding, and avoid improper operations like stopping unit too soon.
Firm support, close to indoor unit, avoid noise entry, ensure ventilation, avoid dust/fog/pollution.
Unit is Class 1 electrical appliance; use dedicated grounding wire, do not connect to pipes.
Ensure proper airflow, avoid recirculation, secure mounting, protect during lift, avoid corrosion/snow.
Details setting indoor unit address and capacity using DIP switches on main board and wired controller.
Steps for filling refrigerant, including checking valves, vacuuming, and charging R410A.
Explains how to calculate additional refrigerant needed based on pipe length and diameter.
Lists inspection points and potential problems from improper installation.
Procedures for professional test running, including powering units and checking for abnormal noise.
Stop unit and shut off power before cleaning; avoid electric shock and damage.
Lists error codes on wired controller and indicator lights on outdoor unit for troubleshooting.
General