RXQ6-48A(N)R Series Cooling Only 50/60 Hz - Service Manual

Oct 25, 2026

Upload by Jasmine

Service manual for the RXQ6-48A(N)R series, Cooling Only models operating at 50/60 Hz. Covers introduction and safety cautions for workers and users, including warnings and precautions. Includes icon usage and revision history, then provides general information such as model names, indoor/outdoor appearances, unit combinations, capacity range, connection ratios, and specifications. Details the refrigerant circuit with piping diagrams, functional parts layout, and refrigerant flow by operation mode, followed by remote controller identification, controls, addressing, centralized group settings, and service/maintenance menus.

LanguageEnglish

CategoryTechnology

FormatPDF

Pages297

Reading Time12 h 28 min

AccessFree to download

Introduction

Safety Cautions

Warnings and Cautions Regarding Safety of Workers

Warnings and Cautions Regarding Safety of Users

Icons Used

Revision History

Part 1 General Information

Model Names

Indoor Unit

Outdoor Unit

External Appearance

Indoor Unit

Outdoor Unit

Combination of Outdoor Units

Capacity Range

Connection Ratio

Outdoor Unit Combinations

Specifications

Part 2 Refrigerant Circuit

Refrigerant Circuit (Piping Diagrams)

Outdoor Unit

Indoor Unit

Functional Parts Layout

RXQ6/8AR

RXQ10/12/14/16AR

Refrigerant Flow for Each Operation Mode

RXQ6/8/10/12AR

RXQ14/16AR

Part 3 Remote Controller

Applicable Models

Names and Functions

BRC1E63

BRC1H81 Series

BRC4M Series

Main/Sub Setting

Wired Remote Controller (BRC1E63)

Wired Remote Controller (BRC1H81 Series)

When Wireless Remote Controller is Used Together

Address Setting for Wireless Remote Controller

Setting for Signal Receiver PCB

Setting for BRC4M Series

Multiple Settings A/b

Centralized Control Group No. Setting

BRC1E63

BRC1H81 Series

Group No. Setting Example

Service Settings Menu, Maintenance Menu

BRC1E63

BRC1H81 Series

Part 4 Functions and Control

Function Flowchart

Stop Control

Abnormal Shutdown

Slave Unit Stops during Master Unit Operation

Standby Control

Restart Standby

Startup Control

Cooling Start

Service Manual RXQ6-48A(N)R Series Cooling Only 50/60 Hz Introduction .................................................................................... 1 1. Safety Cautions.......................................................................................2 1.1 Warnings and Cautions Regarding Safety of Workers.............................2 1.2 Warnings and Cautions Regarding Safety of Users.................................4 2. Icons Used ..............................................................................................6 3. Revision History ......................................................................................7 Part 1 General Information ............................................................ 8 1. Model Names ..........................................................................................9 1.1 Indoor Unit................................................................................................9 1.2 Outdoor Unit .............................................................................................9 2. External Appearance............................................................................. 10 2.1 Indoor Unit.............................................................................................. 10 2.2 Outdoor Unit ........................................................................................... 11 3. Combination of Outdoor Units............................................................... 12 4. Capacity Range..................................................................................... 13 4.1 Connection Ratio.................................................................................... 13 4.2 Outdoor Unit Combinations .................................................................... 14 5. Specifications ........................................................................................ 15 Part 2 Refrigerant Circuit............................................................. 18 1. Refrigerant Circuit (Piping Diagrams) ...................................................19 1.1 Outdoor Unit ........................................................................................... 19 1.2 Indoor Unit..............................................................................................23 2. Functional Parts Layout ........................................................................25 2.1 RXQ6/8AR..............................................................................................25 2.2 RXQ10/12/14/16AR................................................................................26 3. Refrigerant Flow for Each Operation Mode...........................................27 3.1 RXQ6/8/10/12AR....................................................................................27 3.2 RXQ14/16AR..........................................................................................29 Part 3 Remote Controller ............................................................. 31 1. Applicable Models .................................................................................32 2. Names and Functions ...........................................................................34 2.1 BRC1E63 ...............................................................................................34 2.2 BRC1H81 Series ....................................................................................36 2.3 BRC4M Series........................................................................................38 3. Main/Sub Setting...................................................................................41 3.1 Wired Remote Controller (BRC1E63) ....................................................41 3.2 Wired Remote Controller (BRC1H81 Series) .........................................42 3.3 When Wireless Remote Controller is Used Together.............

FAQs

What safety topics are covered in the manual for this series?

The manual includes warnings and safety precautions for both workers and users, organized under Safety Cautions.

What information is provided in Part 2 about the refrigerant circuit?

Part 2 provides refrigerant circuit piping diagrams, functional parts layouts, and refrigerant flow details by operation mode for the listed RXQ model groups.

How does the manual address remote controller configuration?

It covers applicable models, names and functions, main/sub settings, wireless remote controller address setting, centralized control group number setting, and the service/maintenance menu for supported controller series.

Oct 25, 2026

Upload by Jasmine