Gree LSQWRF60VM/NhA-M User Manual

Service Manual
Change for life
A series modular air-cooled chiller (heat pump)
T1/ R410A /50Hz
T1/ R32 /50Hz

Gree LSQWRF60VM/NhA-M Specifications

General

Cooling Capacity	60 kW
Power Supply	380-415V/3Ph/50Hz
Refrigerant	R410A
Compressor Type	Scroll
Water Flow Rate	10.3 m³/h
Condenser Type	Air Cooled
Weight	850 kg
Noise Level	65 dB(A)

Summary

Product Information

1.1 Introduction

Overview of the chiller's purpose, features, and models.

1.2 Performance Correction Curves

Graphs showing how performance varies with operating conditions.

1.3 Working Principle

Explanation of the chiller's operational mechanism and refrigerant flow.

1.4 Technical Parameters

Detailed specifications for electrical, performance, and supply aspects.

Unit Control

2.1 Schematic Diagram

Diagram illustrating the unit's control system components and connections.

2.2 Operation Flowchart

Step-by-step visual guide for cooling and heating operational sequences.

2.3 Key Control Logics

Core logic and principles governing unit operation, including protections.

2.5 Smart Management System

Features and setup for remote monitoring and BMS integration.

Unit Installation

3.1 Installation Flowchart

Step-by-step process for unit installation from site preparation to commissioning.

3.2 Preparations Before Installation

Essential safety precautions and checks before starting installation.

3.3 Installation Instructions

Detailed guidelines for unit placement, dimensions, and mounting.

3.5 Electrical Connection

Procedures for wiring power supply, control signals, and interconnections.

Test Operation, Troubleshooting and Maintenance

4.1 Commissioning

Steps and safety measures for initial unit startup and performance checks.

4.2 Troubleshooting

Diagnostic information and flowcharts for resolving unit faults.

4.4 Replacement of Main Parts

Instructions for replacing key components like compressors and valves.

4.5 Routine Maintenance

Procedures for leak detection, refrigerant recharge, and air removal.

4.6 Exploded Views and Part Lists

Detailed diagrams and lists of unit components for identification.

4.7 Maintenance

Requirements for periodic checks, water quality, and cleaning procedures.