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Fujitsu AOU48RLAVM - User Manual

Fujitsu AOU48RLAVM
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001 March 2016
© 2016 Fujitsu General America, Inc.
1
LonWorks Airstage Communication Cable Changes
To help eliminate Airstage communication wiring installation issues, Fujitsu is standardizing on a specific
model of LonWorks cable that can be used on all Airstage VRF installations. Fujitsu will be providing the
cable as an Airstage Part. Currently, the cable is available in 250 Ft and 500 Ft spool/reel sizes. This
LonWorks cable shall be the ONLY APPROVED LONWORKS CABLE to be used on any Airstage
system installation. The approval of the Extended Warranty shall be contingent on the use of this cable.
The Airstage Parts for the Fujitsu LonWorks cables are the following:
Cable Type Pairs Details Catalog Number
Level 4 NEMA
22AWG
1
250ft LonWorks Shielded cable
K00250LW
1
500ft LonWorks Shielded cable
K00500LW
This addendum information shall supersede any LonWorks cable requirements listed in any of the
Airstage Design & Technical Manuals or Installation Manuals.
Design & Technical Manual for Airstage V-II 208/230V, 60Hz
Design & Technical Manual for Airstage V-II 460V, 60Hz
Design & Technical Manual for Airstage VR-II 208/230V, 60Hz
Design & Technical Manual for Airstage VR-II 460V, 60Hz
Design & Technical Manual for Airstage J-II 208/230V, 60Hz
Design & Technical Manual for Outdoor Air Unit 208/230V, 60Hz
Fujitsu Airstage VRF system wiring detail:
LonWorks
Transmission line
LonWorks
Transmission line
Remote
controller wire
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Fujitsu AOU48RLAVM Specifications

General IconGeneral
BrandFujitsu
ModelAOU48RLAVM
CategoryAir Conditioner
LanguageEnglish

Summary

LonWorks Airstage Communication Cable Changes

Fujitsu LonWorks Cable Parts

Details the approved LonWorks cables, their pairs, and catalog numbers for Fujitsu Airstage VRF systems.

Safety Precautions

Important: Please Read Before Starting

Essential safety warnings and requirements before installation begins to ensure safe and efficient operation.

Hazard Alerting Symbols

Explanation of warning symbols (WARNING, CAUTION) and safety alert notifications in the manual.

About This Product

R410 A Refrigerant Handling

Precautions for R410A refrigerant, special tools required, and handling considerations.

Installation Work

Selecting an Installation Location

Guidelines for choosing a suitable installation site, considering weight, ventilation, and neighbor impact.

Installing the Unit

Procedures for physically installing the outdoor unit, including foundation and anchoring.

System Configuration

Pipe Installation

Brazing Techniques

Procedures and precautions for brazing pipe connections, emphasizing nitrogen gas use.

Pipe Connection

Flare Nut Tightening

Procedures for connecting pipes using flare nuts, emphasizing proper tightening with a torque wrench.

Electrical Wiring

Electrical Wiring Precautions

General warnings and guidelines for electrical wiring, emphasizing qualified personnel and power supply.

Selecting Power Supply Cable and Breaker

Transmission Wiring Specifications

Wiring Method

External Input Terminal

External Output Terminal

Field Setting

Indoor Unit Address Setting

Pipe Installation II

Sealing Test - Pressure (leak) Testing

Procedure for performing a pressure test using nitrogen gas to check for refrigerant leaks.

Vacuum Process

Steps for evacuating the refrigerant system using a vacuum pump to remove moisture and air.

Additional Charging

Procedure for Charging the System with Refrigerant

Detailed steps for adding refrigerant, including calculation and connection methods.

Test Run

Indoor Unit Connection Check

Procedure to verify the connection status between indoor and outdoor units before starting operation.

Test Run Method

Test Run Procedure

Steps for performing cooling or heating test operations after confirming all checks.

LED Status

Error Codes

List of error codes for communication, indoor unit, and sensor errors with their descriptions.

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