Fujitsu Airstage VR-II AOUA120TLBV User Manual

SERVICE MANUAL
208/230V 60Hz

Fujitsu Airstage VR-II AOUA120TLBV Specifications

General

Brand	Fujitsu
Model	Airstage VR-II AOUA120TLBV
Category	Air Conditioner
Language	English

Summary

1. TEST RUN

1-1 EXECUTION PROCEDURE AND EXECUTION PRECAUTIONS

Details execution procedures and precautions for installation and setup.

1-2 CHECK ITEMS BEFORE POWER ON

Lists essential checks for outdoor and indoor units before initial power activation.

1-3 CHECK ITEMS AFTER POWER ON

Outlines critical checks and inspections to perform after the system is powered on.

2. OUTDOOR UNIT OPERATION CONTROL

2-3 HEAT RECOVERY OPERATION CONTROLLING

2-4 COMPRESSOR OPERATION

Details compressor operation modes, conditions, speed, and sequence control.

2-5 HEAT EXCHANGER CAPACITY CONTROL

2-6 FAN CONTROL

2-8 SPECIAL OPERATION

2-9 PROTECTIVE FUNCTION

Lists various protective functions and their operating conditions.

3. INDOOR UNIT OPERATION

3-1 FAN CONTROL

3-2 MASTER CONTROL

3-6 FUNCTION

4. TROUBLE SHOOTING

4-2 ABNORMAL OPERATION

Covers error code display, indoor/outdoor unit displays, and remote controller error indications.

4-2-7 TROUBLE LEVEL OF SYSTEM

4-2-8 ERROR HISTORY MODE

4-2-9 TROUBLE SHOOTING WITH ERROR CODE

Provides detailed troubleshooting steps for specific error codes.

4-2-10 TROUBLE SHOOTING NO ERROR CODE

Offers troubleshooting guidance for issues without specific error codes.