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Grunaire GSU121HX - 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 to Gruniare Service Manual

General Information

Overview of the Gruniare HX series minisplit outdoor unit and its capabilities.

Main Features of Gruniare Units

Details key features like DC Inverter, R410a refrigerant, and operating temperature ranges.

Tubing Connections Guidance

Information on flare type interconnecting tubing and appendix references.

Inbox Documentation

Notes that each indoor unit comes with its own installation and operation manuals.

Product Data Sheets

Outdoor Unit Data for DC Inverter 1:1 Models

Detailed specifications for DC Inverter 1:1 outdoor units including capacity, SEER, and dimensions.

Outdoor Unit Data for DC Inverter 1:2 Models

Technical specifications for DC Inverter 1:2 outdoor units, covering various operational parameters.

Indoor Units Data

HXS-25 V9 A-A21 A Indoor Unit Specifications

Detailed specifications for the HXS-25V9A-A21A indoor unit, including fan and evaporator data.

HXS-32 V9 A-A21 A Indoor Unit Specifications

Detailed specifications for the HXS-32V9A-A21A indoor unit, covering fan and evaporator components.

HXS-25 V9 A-A27 A Indoor Unit Specifications

Specifications for the HXS-25V9A-A27A indoor unit, detailing fan motor and evaporator characteristics.

HXS-32 V9 A-A27 A Indoor Unit Specifications

Specifications for the HXS-32V9A-A27A indoor unit, including fan motor and evaporator details.

HXS-25 V9 A-A48 A Indoor Unit Specifications

Specifications for the HXS-25V9A-A48A indoor unit, covering fan motor and evaporator data.

HXS-32 V9 A-A48 A Indoor Unit Specifications

Specifications for the HXS-32V9A-A48A indoor unit, detailing fan motor and evaporator components.

HX-V25 G9 A;A30 Indoor Unit Specifications

Specifications for the HX-V25G9A/A30 indoor unit, including fan motor and evaporator data.

HX-V32 G9 A;H30 Indoor Unit Specifications

Specifications for the HX-V32G9A/H30 indoor unit, detailing fan motor and evaporator characteristics.

HX-V25 G9 A;A46 Indoor Unit Specifications

Specifications for the HX-V25G9A/A46 indoor unit, covering fan motor and evaporator details.

HX-V32 G9 A;H46 Indoor Unit Specifications

Specifications for the HX-V32G9A/H46 indoor unit, detailing fan motor and evaporator components.

HX-V25 G9 A;A77 Indoor Unit Specifications

Specifications for the HX-V25G9A/A77 indoor unit, including fan motor and evaporator data.

HX-V32 G9 A;H77 Indoor Unit Specifications

Specifications for the HX-V32G9A/H77 indoor unit, detailing fan motor and evaporator characteristics.

HX-V25 G9 A;A79 Indoor Unit Specifications

Specifications for the HX-V25G9A/A79 indoor unit, covering fan motor and evaporator details.

HX-V32 G9 A;H79 Indoor Unit Specifications

Specifications for the HX-V32G9A/H79 indoor unit, detailing fan motor and evaporator components.

Rating Conditions

Operating Limits for Cooling and Heating

Defines the upper and lower operating limits for cooling and heating modes, and voltage requirements.

Outline Dimensions

Outdoor Unit GSU091 HX Dimensions

Provides dimensional drawings for the GSU091HX outdoor unit.

Outdoor Unit GSU121 HX Dimensions

Provides dimensional drawings for the GSU121HX outdoor unit.

Outdoor Unit GSU181 HX Dimensions

Provides dimensional drawings for the GSU181HX outdoor unit.

Outdoor Unit GSU241 HX Dimensions

Provides dimensional drawings for the GSU241HX outdoor unit.

Outdoor Unit HX-50 V9 A-S Dimensions

Provides dimensional drawings for the HX-50V9A-S outdoor unit.

Outdoor Unit HX-V64 T9 AD Dimensions

Provides dimensional drawings for the HX-V64T9AD outdoor unit.

Outdoor Unit HX-V64 WC9 A Dimensions

Provides dimensional drawings for the HX-V64WC9A outdoor unit.

Performance Data

Indoor Units Capacity for 9000 BTU

Presents cooling and heating capacity data for 9000BTU indoor units across various conditions.

Cooling Capacity Correction Factors for 9000 BTU

Graphical representation of cooling capacity correction factors based on outdoor temperature.

Indoor Units Capacity for 12000 BTU

Presents cooling and heating capacity data for 12000BTU indoor units under different conditions.

Indoor Units Capacity for 18000 BTU

Presents cooling and heating capacity data for 18000BTU indoor units across various conditions.

Indoor Units Capacity for 24000 BTU

Presents cooling and heating capacity data for 24000BTU indoor units under different conditions.

Capacity Correction Factor Due to Tubing Length

Shows how tubing length affects cooling and heating capacity ratios.

Pressure Curve

Suction Pressure Curve vs. Outdoor Temperature

Illustrates suction pressure variations with outdoor temperature for cooling mode.

Discharge Pressure Curve vs. Outdoor Temperature

Illustrates discharge pressure variations with outdoor temperature for cooling mode.

Electrical Data

Electrical Specifications for GSU Series Outdoor Units

Details power supply, current ratings, circuit breaker, and wiring for GSU outdoor units.

Electrical Specifications for HX Series Outdoor Units

Details power supply, current ratings, circuit breaker, and wiring for HX outdoor units.

Wiring Diagrams

GSU091 HX and GSU121 HX Wiring Diagrams

Wiring diagrams for GSU091HX and GSU121HX outdoor units.

GSU181 HX and GSU241 HX Wiring Diagrams

Wiring diagrams for GSU181HX and GSU241HX outdoor units.

HX-50 V9 A-S Wiring Diagram

Wiring diagram for the HX-50V9A-S outdoor unit.

HX-V64 WC9 A and HX-V64 T9 AD Wiring Diagrams

Wiring diagrams for HX-V64WC9A and HX-V64T9AD outdoor units.

Indoor-Outdoor Wiring Diagrams for GSI Series

Wiring diagrams showing connections between GSI series indoor and outdoor units.

Indoor-Outdoor Wiring Diagrams for GSU Series

Wiring diagrams showing connections between GSU series indoor and outdoor units.

Refrigeration Diagrams

GSU091 HX Refrigeration Diagram

Refrigeration circuit diagram for the GSU091HX model.

GSU121 HX Refrigeration Diagram

Refrigeration circuit diagram for the GSU121HX model.

GSU181 HX and GSU241 HX Refrigeration Diagrams

Refrigeration circuit diagrams for GSU181HX and GSU241HX models.

HX-50 V9 A-S Refrigeration Diagram

Refrigeration circuit diagram for the HX-50V9A-S model.

HX-V64 WC9 A and HX-V64 T9 AD Refrigeration Diagrams

Refrigeration circuit diagrams for HX-V64WC9A and HX-V64T9AD models.

Tubing Connections

Tubing Connections and Torque Specifications

Details on connecting refrigerant tubing and required tightening torques for various sizes.

Control System

System Overview and Main PCB Board

Introduction to the control system and details on the main PCB board functions.

Operating Modes

Describes cooling, dehumidify, heating, auto, and ventilation modes for indoor units.

Timer and Sleep Functions

Details on setting timers for operation and sleep mode functions.

Air Flow and Turbo Control

Explains air flow control via flap adjustment and turbo function operation.

System Protection Features

Covers various protection mechanisms like frost prevention, overheat, and faults.

Other System Functions

Includes other functions like sound indication and emergency key operation.

Fault Display Information

Details on how indoor and outdoor unit faults are displayed.

Test Model

Cooling Test Model Configurations

Describes test model conditions for cooling mode, specifying compressor settings.

Heating Test Model Configurations

Describes test model conditions for heating mode, specifying compressor settings.

Function of Dual DC Inverter Type

System Frame Drawing

Diagram illustrating the overall system frame and component connections.

Major Performance Index

Key performance indicators including voltage, power, frequency conversion, and environment.

Outdoor Controller Inputs & Outputs

Details on signals and communication handled by the outdoor unit controller.

Cooling Mode Operations

Control logic for expansion valve, compressor frequency, and fan motor in cooling mode.

Dehumidify and Heating Mode Operations

Operational logic for dehumidify and heating modes, including fan motor and reverse valve control.

Defrost Process Control

Details on defrost start/end conditions, interval timing, and process sequence.

Oil Return and Mode Control

Explains oil return cycle and outdoor unit operation mode control based on indoor unit requests.

Compressor and System Protections

Covers various protection mechanisms for compressor and system components.

Troubleshooting

Air Conditioner Failures and Corrective Actions

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

Exploded Views and Spare Parts Lists

Outdoor Unit GSU091 HX Exploded View

Exploded view and parts list for the GSU091HX outdoor unit.

Outdoor Unit GSU121 HX Exploded View

Exploded view and parts list for the GSU121HX outdoor unit.

Outdoor Unit GSU181 HX Exploded View

Exploded view and parts list for the GSU181HX outdoor unit.

Outdoor Unit GSU241 HX Exploded View

Exploded view and parts list for the GSU241HX outdoor unit.

Outdoor Unit HX-50 V9 A-S Exploded View

Exploded view and parts list for the HX-50V9A-S outdoor unit.

Outdoor Unit HX-V64 T9 AD Exploded View

Exploded view and parts list for the HX-V64T9AD outdoor unit.

Foreword

1 LOCATION OF OUTDOOR UNIT

2 ELECTRICAL CONNECTION BETWEEN OUTDOOR AND INDOOR UNIT

3 INSTALLATION;SERVICE TOOLS (ONLY FOR R410 A PRODUCT)

4 REFRIGERANT TUBING

5 FINAL TASKS

Grunaire GSU121HX Specifications

General IconGeneral
RefrigerantR410A
Net Weight (Outdoor)30 kg
CategorySplit System Air Conditioner
Cooling Capacity12000 BTU/h
Power Supply220-240V, 50Hz
Operating Temperature (Cooling)18°C to 43°C

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