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Gree LSQWRF80M/NaD-M - User Manual

Gree LSQWRF80M/NaD-M
48 pages
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D Series Modular Air-cooled Scroll Chillers
Owner's Manual
Original Instructions
Commercial Air Conditioners
Thank you for choosing commercial air conditioners. Please read
t
his Owner s Manual carefully before operation and retain it for
f
uture reference.
If
you have lost the Owner's Manual,please contact the local agent
or
visit www.gree.com or send an email to global@gree.com.cn for
t
he electronic version.
GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI
Applicable Models :
LSQWRF65M/D-M LSQWRF80M/D-M
LSQWRF65M/NaD-M LSQWRF80M/NaD-M
LSQWRF130M/D-M LSQWRF130M/NaD-M
LSQWRF160M/D-M LSQWRF160M/NaD-M

Other manuals for Gree LSQWRF80M/NaD-M

Questions and Answers

  • C
    Carrie BellAug 7, 2025
    What to do if my Gree Air Conditioner has overload protection?
    • A
      aaronwestAug 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.
  • D
    daviskathleenAug 13, 2025
    How to troubleshoot a Gree Air Conditioner that fails to start up?
    • M
      Morgan JordanAug 13, 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.
  • L
    Linda MitchellAug 17, 2025
    What to do if Gree Air Conditioner has internal over-temperature protection?
    • D
      Dr. Krystal Vance DVMAug 17, 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.
  • J
    John ParksAug 23, 2025
    How to fix too high discharge pressure in Gree Air Conditioner?
    • L
      Lisa WilsonAug 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.
  • S
    Shawn BurtonAug 27, 2025
    How do I troubleshoot too low suction pressure in my Gree Air Conditioner?
    • A
      anita50Aug 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.
  • G
    greenmelissaSep 2, 2025
    What to do for too low discharge pressure in Gree Air Conditioner?
    • F
      Frank RiosSep 2, 2025
      To address too low discharge pressure in your Gree Air Conditioner, take a leakage test and add refrigerant.

Summary

2 Product Data and Operating Range

3 Outline Dimension

4 Installation Instructions

General Installation Guidelines

General guidelines and important notes for chiller installation.

Water System Connection

Considerations and requirements for connecting the water system.

5 Guidance to Controller Operation

Turning On;Off the Unit via Wired Controller

How to start and stop the chiller using the wired controller.

Error View

Viewing and diagnosing system error codes and faults.

6 Electric Control Cabinet

Wiring for Output Control Lines

Details on wiring output control lines for auxiliary components.

Electric Control Cabinet Wiring

Wiring diagrams and instructions for the main electric control cabinet.

Field Wiring Guidelines

Field wiring guidelines and safety codes for installation.

Wiring Between Chilled Modules

How to connect and wire multiple chiller modules together.

7 Commissioning and Maintenance

Pre-Startup Checks

Pre-startup checks to ensure proper system operation.

Water System and Quality Requirements

Guidelines for water system setup and water quality standards.

Trial Run Procedure

Procedure for performing an initial trial run of the chiller.

Refrigerant Charging Procedures

Procedures for charging refrigerant into the system.

Freeze Protection Measures

Measures to prevent freezing damage to the heat exchanger.

8 Troubleshooting

Error Lists and Troubleshooting Measures

Common errors and their corresponding solutions.

Gree LSQWRF80M/NaD-M Specifications

General IconGeneral
Cooling Capacity80 kW
Compressor TypeScroll
RefrigerantR410A
Operating Temperature Range-15°C to 48°C
Power Supply380V/3Ph/50Hz

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