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Grunaire GSU241HX - User Manual

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1 GRUNAIRE HX SERIES SERVICE MANUAL
SERVICE MANUAL
DC Inverter Multi-Split Air-Condition Unit
Indoor Unit
Outdoor Unit
GSU091HX
GSU091HX
GSU121HX
GSU121HX
GSU181HX
GSU181HX
GSU241HX
GSU241HX
REFRIGERENT
HEAT PUMP
R410A

Table of Contents

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Summary

INTRODUCTION

General Overview

General description of the DC inverter multi-split air conditioning unit.

Key Features and Specifications

Details main features like DC Inverter, R410a, operating temperatures, and EEV.

Installation and Documentation Notes

Information on tubing connections and provided documentation for indoor units.

PRODUCT DATA SHEET

Outdoor Unit Specifications

Detailed technical data for various DC Inverter 1:1 and 1:2 outdoor units.

Indoor Unit Specifications

Detailed technical data for various indoor units (HXS and HX series).

RATING CONDITIONS

Standard Conditions Defined

Specifies standard conditions for cooling and heating according to industry standards.

Operating Limits and Voltage

Outlines the operational temperature limits and voltage requirements.

OUTLINE DIMENSIONS

Outdoor Unit Dimensional Drawings

Provides dimensional drawings for GSU and HX series outdoor units.

PERFORMANCE DATA

Indoor Unit Capacity Data

Presents cooling and heating capacity data for various indoor unit capacities.

Capacity Correction Factors

Details correction factors due to tubing length for cooling and heating.

Pressure Curve

Model Identification for Pressure Curves

Lists models corresponding to the pressure curve data presented.

Suction and Discharge Pressure Curves

Graphs showing suction and discharge pressures versus outdoor temperature during cooling.

ELECTRICAL DATA

Outdoor Unit Electrical Specifications

Electrical data for GSU and HX series outdoor units, including voltage, current, and wiring.

WIRING DIAGRAMS

Outdoor Unit Wiring Diagrams

Electrical wiring diagrams for GSU and HX outdoor units.

Indoor-Outdoor Connection Diagrams

Diagrams illustrating wiring connections between indoor and outdoor units.

REFRIGERATION DIAGRAMS

Refrigeration Circuit Diagrams

Diagrams illustrating the refrigeration circuits for different outdoor units.

TUBING CONNECTIONS

Installation and Torque Specifications

Details tubing connection steps, bending, and tightening torque for unions and valves.

CONTROL SYSTEM

Inverter Indoor Unit Control Overview

Summary of control system, parameters, and major functions.

Operating Modes and Fan Speed Control

Explains cooling, dehumidify, heating modes, and fan speed adjustments.

Protections and Fault Displays

Details system protections, airflow control, turbo function, and fault indications.

Test Model Procedures

Procedures for testing cooling and heating modes using specific settings.

System Operation and Protection

Covers system frame, performance, controller I/O, and operation modes.

TROUBLESHOOTING

Air Conditioner Failures and Corrective Actions

Lists common failures (F1-F8, P2-P8) and their corrective actions.

EXPLODED VIEWS AND SPARE PARTS LISTS

Outdoor Unit Exploded Views and Parts Lists

Shows exploded views and lists spare parts for various outdoor unit models.

APPENDIX A

Foreword and Important Information

Introduces the manual and provides critical safety warnings.

Outdoor Unit Location Guidelines

Guidelines for selecting the optimal location for the outdoor unit.

Electrical Connection Procedures

Instructions for connecting outdoor and indoor units electrically.

Installation and Service Tools

Lists specialized tools required for R410A refrigerant systems.

Refrigerant Tubing Installation

Details refrigerant tubing connection, bending, and evacuation procedures.

Final Tasks and Customer Handoff

Covers post-installation checks, initial operation, and customer explanation.

Grunaire GSU241HX Specifications

General IconGeneral
BrandGrunaire
ModelGSU241HX
CategoryAir Conditioner
LanguageEnglish

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