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4-3. Models: AOU42RGLX and AOU48RGLX

SUB

ACM

FAN

4WV

CMP

OUTER

HEX

INNER

HEX

FAN

STRAINER

3WV

STRAINER

MUFFULER

EEV

SERVICE

PORT

PRESSURE

SENSOR

FUSIBLE

PLUG

STRAINER

: Thermistor (Compressor temperature)

: Thermistor (Discharge temperature)

: Thermistor (Outdoor temperature)

: Thermistor (Heat exchanger Med temperature)

: Thermistor (Room temperature)

: Thermistor (Heat exchanger temperature)

: Thermistor (Heat exchanger Out temperature)

- 115 -

4-3. Models: AOU42RGLX and AOU48RGLX 4. Refrigerant circuit

OUTDOOR UNIT

AOU12-48R

OUTDOOR UNIT

AOU12-48R

Table of Contents3
Part 1. INDOOR UNIT7
Specifications8
Dimensions14
Model: ARU12RGLX14
Models: ARU18RGLX, ARU24RGLX, and ARU30RGLX15
Models: ARU36RGLX, ARU42RGLX, and ARU48RGLX16
Installation Space Requirement17
Maintenance Space Requirement18
Wiring Diagrams19
Models: ARU12RGLX, ARU18RGLX, and ARU24RGLX19
Models: ARU30RGLX, ARU36RGLX, ARU42RGLX, and ARU48RGLX20
Capacity Table21
Cooling Capacity21
Heating Capacity28
Fan Performance32
Fan Performance Curve32
Airflow46
Operation Noise (Sound Pressure)53
Noise Level Curve53
Sound Level Check Point56
Safety Devices57
External Input and Output58
External Input58
External Output60
Combination of External Input and Output61
Details of Function64
Function Settings89
Function Settings on Indoor Unit89
Function Settings by Using Remote Controller91
Accessories99
Optional Parts100
11-1.Controllers100
11-2.Others101
Part 2. OUTDOOR UNIT103
Specifications104
Dimensions107
Model: AOU12RLFC107
Models: AOU18RGLX, AOU24RGLX, AOU30RGLX, and AOU36RGLX108
Models: AOU42RGLX and AOU48RGLX109
Installation Space110
Model: AOU12RLFC110
Models: AOU18RGLX, AOU24RGLX, AOU30RGLX, and AOU36RGLX113
Models: AOU42RGLX and AOU48RGLX116
Refrigerant Circuit119
Model: AOU12RLFC119
Models: AOU18RGLX, AOU24RGLX, AOU30RGLX, and AOU36RGLX120
Models: AOU42RGLX and AOU48RGLX121
Wiring Diagrams122
Model: AOU12RLFC122
Model: AOU18RGLX123
Models: AOU24RGLX, AOU30RGLX, and AOU36RGLX124
Models: AOU42RGLX and AOU48RGLX125
Capacity Compensation Rate for Pipe Length and Height Difference126
Model: AOU12RLFC126
Models: AOU18RGLX, AOU24RGLX, AOU30RGLX, and AOU36RGLX127
Models: AOU42RGLX and AOU48RGLX128
Additional Charge Calculation129
Model: AOU12RLFC129
Model: AOU18RGLX129
Models: AOU24RGLX, AOU30RGLX, and AOU36RGLX129
Models: AOU42RGLX and AOU48RGLX130
Airflow131
Model: AOU12RLFC131
Model: AOU18RGLX131
Model: AOU24RGLX131
Model: AOU30RGLX132
Model: AOU36RGLX132
Model: AOU42RGLX132
Model: AOU48RGLX133
Operation Noise (Sound Pressure)134
Noise Level Curve134
Sound Level Check Point137
Electrical Characteristics138
Safety Devices139
External Input and Output (for AOU42RGLX and AOU48RGLX)141
12-1.External Input141
12-2.External Output143
Function Settings (for AOU42RGLX and AOU48RGLX)145
13-1.Local Setting Switch Buttons145
13-2.Local Setting Procedure147
Accessories150
14-1.Model: AOU12RLFC150
14-2.Models: AOU18RGLX, AOU24RGLX, AOU30RGLX, and AOU36RGLX150
14-3.Models: AOU42RGLX and AOU48RGLX150
Optional Parts151

Brand	Fujitsu
Model	AOU24RGLX
Category	Air Conditioner
Language	English

Fujitsu AOU24RGLX Design & Technical Manual

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