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Gree LSQWRF60VM/NaA-M - User Manual

Gree LSQWRF60VM/NaA-M
139 pages
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A Series Modular-type Air-cooled (Heat Pump) Chiller

Table of Contents

Other manuals for Gree LSQWRF60VM/NaA-M

Preview: Installation, Start-Up And Maintenance Manual
Installation, Start-Up And Maintenance Manual39 pages

Questions and Answers

  • J
    James LewisAug 15, 2025
    What to do if Gree Heat Pump compressor fails to start?
    • R
      Rebecca GrayAug 15, 2025
      If the Gree Heat Pump compressor fails to start, check the power supply and wiring of the control system. Also, examine the overcurrent relay and fuse, replacing them if necessary. Ensure the water system is functioning correctly and there are no low/high pressure protections activated. If a wireless controller is in use, verify its settings and alarm signals. Finally, check if the sensed temperature exceeded the rated, and reset it.
  • K
    Kelly TaylorAug 18, 2025
    Why does my Gree Heat Pump shut down due to high pressure?
    • P
      Pamela WongAug 18, 2025
      If your Gree Heat Pump shuts down due to high pressure protection of the compressor, it might be caused by uncomplete vacuuming, high environment temperature, dirty condenser fins, inadequate condensing airflow, a failed high-pressure cutoff, or overcharged refrigerant. To resolve this, revacuum the system and recharge refrigerant, improve ventilation, clean condenser fins, repair the condenser fan, check the high-pressure switch, and check/discharge some refrigerant.
  • M
    mdeanAug 21, 2025
    What to do if Gree Heat Pump shuts down due to compressor motor overload?
    • A
      andersonloriAug 21, 2025
      If your Gree Heat Pump shuts down due to overloading of the compressor motor, it could be due to voltage issues (too high or too low), high or low discharge pressure, high return water temperature, a faulty overloaded element, high environment temperature, phase loss for the compressor, or a short-circuited compressor motor. Address this by checking the voltage (ensuring it's no less than 80% with a phase difference not exceeding ±30%), checking discharge pressure, checking return water temperature, checking the compressor current, improving ventilation, and checking the three-phase resistances.
  • B
    bparkerAug 25, 2025
    Why does my Gree Heat Pump shut down with low pressure protection?
    • M
      Michael HinesAug 25, 2025
      If your Gree Heat Pump shuts down due to low pressure protection, the cause may be a faulty electrostatic expansion valve or low-pressure cutoff, insufficient refrigerant, entering chilled water temperature being too low, or chilled water flow being too low. Solutions include replacing the coils or valve body, checking the low-pressure cutoff, checking and charging refrigerant, checking the chilled water temperature, and adjusting the chilled water flow.
  • M
    Michelle HaasAug 27, 2025
    What causes flow switch protection in Gree Heat Pump?
    • D
      dawn23Aug 27, 2025
      If your Gree Heat Pump shows a flow switch protection error, it could be due to the water pump not starting, low water flow, a damaged water flow switch, or air inside the water system. To fix this, start the water pump, adjust the water flow, and dispel any air inside the water system.
  • O
    ocopelandAug 30, 2025
    How to fix temperature sensor protection on Gree Heat Pump?
    • K
      Katherine JarvisAug 31, 2025
      If your Gree Heat Pump displays a temperature sensor protection error, it may be due to incorrectly connected bulb plugs, a damaged temperature bulb, or a damaged main board. Check if the bulb plug is connected to the correct main board plug and replace the bulb or main board as needed.
  • M
    mckinneymichaelSep 2, 2025
    What does pressure transducer error mean on Gree Heat Pump?
    • A
      Angela CrawfordSep 2, 2025
      If your Gree Heat Pump shows an error related to the pressure transducer, it could be due to an open-circuited or short-circuited pressure sensor, or a damaged pressure sensor. To resolve this, check the circuit of the pressure sensor and replace it if necessary.
  • U
    ufranklinSep 5, 2025
    Why is my Gree Heat Pump showing protection against a failed 4-way valve?
    • M
      Michael BrownSep 5, 2025
      If your Gree Heat Pump is showing protection against the failed 4-way valve, it might be caused by the entering and leaving water temperature sensors falling off or being installed incorrectly, or the 4-way valve itself being damaged. Ensure the water temperature sensors are correctly installed with proper heat conduction, and replace the 4-way valve if necessary.
  • S
    Shannon GarciaSep 8, 2025
    What causes protection against failed compressor IPM module in Gree Heat Pump?
    • J
      Jason ChavezSep 8, 2025
      If your Gree Heat Pump is showing protection against a failed compressor IPM module, it could be due to a sudden voltage drop or a damaged compressor drive board. Check if a voltage drop occurred before the protection and replace the compressor drive board if necessary.
  • R
    Rita BrownSep 12, 2025
    What to do if Gree Heat Pump discharge temperature sensor failed?
    • C
      Chris ClarkSep 12, 2025
      If your Gree Heat Pump shows a failed discharge temperature sensor, it may be due to low water temperature or the discharge temperature sensor falling off. Decrease the load to improve the water temperature and check if the discharge temperature sensor is installed correctly.

Summary

Safety and Product Information

Safety Notice

Safety warnings and symbols used in the manual.

Product Introduction

General introduction, lineup, and model nomenclature.

Product Specifications and Performance

Model Features and Conditions

Key features, nominal operating conditions, and operation range.

Performance Data

Working principle diagrams, performance curves, and technical parameters.

Unit Control System

Schematics and Flowcharts

System diagrams, cooling/heating flowcharts, and control logic overview.

Key Control Logics and Protection

Details on cooling/heating control, anti-freezing, and protection mechanisms.

Operation Interface

Guide to using the control panel, including homepage, menus, functions, parameters.

Smart Management System

Overview of remote monitoring, BMS interface, network, and hardware selection.

Unit Installation

Installation Preparations and Materials

Precautions, importance, materials, tools, pipelines, valves, and filters.

Installation Instructions and Environment

Guidelines for unit placement, foundation, handling, service space, and environment.

Piping and Insulation Details

Requirements for piping, insulation, expansion tanks, and condensate pipes.

Electric Wiring and Connections

Safety, power cord specs, wiring diagrams, networking, and jumper settings.

Commissioning and Initial Run

Commissioning Procedures

Safety, preparation, checks, initial run, communication, and unit checks.

Repair, Troubleshooting, and Maintenance

Error Identification and Troubleshooting

Error lists, protection logic, power distribution, and troubleshooting flowcharts.

Component Replacement

Instructions for replacing main parts like compressors, valves, and refrigerant systems.

Maintenance and Protection

Routine/periodic items, water quality, cleaning, and freeze protection guidelines.

Gree LSQWRF60VM/NaA-M Specifications

General IconGeneral
ModelLSQWRF60VM/NaA-M
CategoryChiller
TypeAir Cooled Scroll Chiller
Compressor TypeScroll
RefrigerantR410A
Power Supply380-415V/3Ph/50Hz
EER3.2
IP RatingIP54

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