Gree LSQWRF160M/NaD-M

Other manuals for Gree LSQWRF160M/NaD-M

Service Manual60 pages

Questions and Answers

M
Matthew PriceAug 7, 2025
What to do if my Gree Air Conditioner has overload protection?
- C
  Christina RodriguezAug 8, 2025
  If your Gree Air Conditioner is showing overload protection, you should: * Check that the voltage is within the rated value ±20V and the phase difference is within ±30%. * Check the discharge pressure. * Check the backwater temperature. * Check the electric current of the compressor. * Improve the ventilation. * Check the corresponding resistance of the motor and the terminal.
W
wtranAug 12, 2025
How to troubleshoot a Gree Air Conditioner that fails to start up?
- R
  Ryan SmithAug 12, 2025
  If your Gree Air Conditioner fails to start, you can try the following: * Replace the damaged element. * Check the wiring of the control system. * Check the power supply. * Replace the damaged element. * Rewire the power phase. * Check the water system. * Check the alarm type and take countermeasures. * Check and adjust the set point.
C
Christina ShortAug 17, 2025
What to do if Gree Air Conditioner has internal over-temperature protection?
- J
  Jennifer RossAug 18, 2025
  If your Gree Air Conditioner is showing an internal over-temperature protection, you should: * Check the voltage to ensure it is within the allowable range. * Check the discharge pressure. * Check the entering chilled water. * Take the leakage test.
A
Ashley SmithAug 23, 2025
How to fix too high discharge pressure in Gree Air Conditioner?
- K
  kaitlynnicholsAug 23, 2025
  To address too high discharge pressure in your Gree Air Conditioner, you can: * Expel incondensable air and vacuum the system if necessary. * Clean the fins. * Repair the fan of the condenser. * Let part of refrigerant out.
D
David CarterAug 28, 2025
How do I troubleshoot too low suction pressure in my Gree Air Conditioner?
- G
  gwatsonAug 28, 2025
  To troubleshoot too low suction pressure in your Gree Air Conditioner: * Replace the check valve or the drier-filter. * Regulate the expansion valve properly or take a leakage test to the expansion valve. * Take a leakage test and add refrigerant. * Check the installation. * Check the entering/leaving water pressure and regulate the water flowrate.
T
tdavisSep 1, 2025
What to do for too low discharge pressure in Gree Air Conditioner?
- R
  ronaldyoungSep 1, 2025
  To address too low discharge pressure in your Gree Air Conditioner, take a leakage test and add refrigerant.

Summary

Product Data and Operating Range

Operating Range Parameters

Details the product's operating ranges for water and air side parameters in cooling and heating modes.

Installation Instructions

General Installation Guidelines

Outlines essential steps and considerations for a proper and safe installation.

Installation Foundation Requirements

Specifies requirements for the foundation, spacing, and environmental considerations for installation.

Vibration Reduction and Water System Setup

Instructions for vibration isolation and setting up the water system, including pipe insulation and filtration.

Guidance to Controller Operation

Wired Controller Operation Instructions

Guides on operating the unit, including power control, mode settings, menu navigation, module view, temperature, state, error, defrost, and parameter configuration.