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Fujitsu AOU36RLAVM4 User Manual

Fujitsu AOU36RLAVM4
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PART No. 9380545361-03
INSTALLATION MANUAL
MANUEL D’INSTALLATION
MANUAL DE INSTALACN
VRF SYSTEM OUTDOOR UNIT
UNITÉ EXTÉRIEURE À SYSTÈME VRF
UNIDAD EXTERIOR DEL SISTEMA VRF
For authorized service personnel only.
Pour le personnel agréé uniquement
Solo para personal de servicio autorizado
AOU36RLAVM4
AOU48RLAVM4
AOU60RLAVM4
9380545361-02_3L.indb cover19380545361-02_3L.indb cover1 2022/10/26 14:59:362022/10/26 14:59:36
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Fujitsu AOU36RLAVM4 Specifications

General IconGeneral
RefrigerantR410A
Compressor TypeInverter
Cooling Capacity36000 BTU
HSPF Rating9
Voltage208/230V

Summary

1. Safety Precautions

General Safety Information

Essential reading, hazard symbols, seeking help, and installation disclaimers.

Special Safety Precautions

Critical safety advice for wiring, unit transport, and installation environments.

2. About This Product

R410A Refrigerant Safety

Specific safety precautions and guidelines for using R410A refrigerant.

Product Specifications and Components

Details on R410A tools, accessories, combinations, optional parts, and measurement units.

3. Installation Work

3.1. Selecting an Installation Location

Guidelines for choosing a suitable and safe installation site.

3.2. Space Requirement

Specifies required clearances for ventilation and maintenance around the unit.

3.2.1 Single and Multiple Unit Space Requirements

Space requirements for single, multiple, and multi-row outdoor unit installations.

3.3. Transporting and 3.4. Installing the Unit

Procedures for safely transporting and securely installing the outdoor unit.

4. System Configuration

4.1. System Configuration Overview

Details on system layout, refrigerant limits, and maximum piping lengths.

4.2. Pipe Selection Criteria

Guidance on selecting appropriate piping materials and diameters for R410A systems.

4.3. Pipe Protection

Methods to protect refrigerant pipes from moisture and damage.

5. Pipe Installation

5.1. Brazing Procedures and Precautions

Brazing techniques and essential precautions using nitrogen gas.

5.2. Indoor Unit Pipe Connections

Connecting refrigerant pipes to separation tubes and headers.

5.3. Opening Knockout Holes

Instructions for creating openings in the unit for piping and wiring installations.

5.4. Refrigerant Pipe Connection

Procedures for connecting refrigerant pipes, including flaring, bending, and valve handling.

6. Electrical Wiring

6.1. Electrical Wiring Safety Precautions

Critical safety instructions and warnings for performing electrical wiring.

6.2. Knockout Hole Preparation and 6.3. Cable/Breaker Selection

Preparing wire entry points and selecting appropriate power cables and circuit breakers.

6.4. Transmission Line Wiring

Specifications, rules, and diagrams for communication transmission line wiring.

6.5. Wiring Method and Diagrams

General wiring methods and connection diagrams for power, transmission, and control.

6.5.2 Wiring Procedures and 6.6. External I/O

Step-by-step wiring procedures and details on external input/output terminals.

6.6. External Input/Output Terminals

Functions of external input and output terminals for unit control and status.

7. Field Setting

7.1. Field Setting Switches and 7.2. DIP Switch Settings

Accessing and configuring field settings using switches and DIP switches.

7.2.2 Terminating Resistor and 7.3. Rotary Switch Settings

Setting network termination resistors and refrigerant system addresses.

7.4. Push Button Settings

Configuring operational parameters using push buttons on the PC board.

Operational Mode and Temperature Settings

Setting temperature boundaries, operational modes, and capacity priorities.

Address Settings and Cable Resistance

Setting addresses for signal amplifiers/indoor units and checking transmission cable resistance.

8. Pipe Installation II

8.1. Sealing Test and 8.2. Vacuum Process

Procedures for leak testing refrigerant pipes and evacuating the system.

8.3. Additional Refrigerant Charging

Steps for calculating and adding refrigerant to the system.

8.4. Insulation and 8.5. Putty Sealing

Insulating refrigerant pipes and sealing openings with putty.

9. Test Run

9.1. Indoor Unit Connection Check

Verifying correct indoor unit connections and performing the check procedure.

Test Run Preparation and Execution

Pre-checks, understanding error displays, and performing test runs.

10. LED Status

Operation and Error Code Indicators

Explanations of LED status codes for normal operation and system errors.

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