Fujitsu Comprehensive Installation Manual for Multi-Zone Air Conditioners

Page 4

Multi-Zone Outdoor Units 18, 24 and 36,000 BTUs

AOU18RLXFZ, AOU24RLXFZ, AOU36RLXFZ

AOU36RLXFZ

AOU18, 24RLXFZ

Compact Size

The compact size of the outdoor units allows for many installation opportunities.

24” minimum clearance required

DC Twin Rotary

Compressor

A high perform- ance, low noise, large capacity DC twin rotary compressor is used.

 

AOU

AOU

AOU

AOU

 

18RLXFZ

24RLXFZ

36RLXFZ

36RLXFZ

 

Heat Pump

Heat Pump

Heat Pump

18+18 Combo1

 

ASU9+ASU9

ASU9+ASU7+ASU7

ASU9 x 4

ASU18+ASU18

Connectable Indoor Unit Number

2

2 to 3

3 to 4

21

Connectable Unit Capacity Class BTU/h

14 to 21,0002

14 to 27,0002

27 to 39,0002

36,0001

Rated Capacity Cooling/Heating BTU/h

18,000/22,000

22,000/24,000

35,200/36,400

31,600/35,800

Clg. Operating Range °F(°C)

14 to 115

14 to 115

32 to 115

50 to 115

(-10 to 46)

(-10 to 46)

(0 to 46)

(10 to 46)

 

Htg. Operating Range °F(°C)

5 to 75

5 to 75

14 to 75

14 to 75

(-15 to 24)

(-15 to 24)

(-10 to 24)

(-10 to 24)

 

Input Power: Clg/Htg Rated kW*

1.44/1.87

1.76/1.73

4.00/3.00

3.98/3.66

Voltage/Frequency/Phase

208-230/60/1

208-230/60/1

208-230/60/1

208-230/60/1

Current: Total Max. (A)

10.0

13.7

20.1

20.1

Minimum Circuit Ampacity (A)

13

17

25

25

Recommended Fuse Size (A)

25

25

30

30

Outdoor Fan Airflow CFM (Clg/Htg)

1,795/1,619

1,942/1,942

2,119/2,237

2,119/2,237

Fan: Type x Quantity

Propeller x 1

Propeller x 1

Propeller x 1

Propeller x 1

Sound Pressure Level Cooling dB(A)

49

51

53

53

Sound Pressure Level Heating dB(A)

49

52

55

55

Pre-Charge Length Total Ft (m)

98 (30)

98 (30)

164 (50)

66 (20)

Max. Length Total Ft (m)

164 (50)

164 (50)

230 (70)

131 (40)

Max. Length Each Ft (m)

82 (25)

82 (25)

82 (25)

82 (25)

Min. Length Total Ft (m)

49 (15)

49 (15)

66 (20)

49 (15)

Min. Length Each Ft (m)

16 (5)

16 (5)

16 (5)

25 (7.5)

Max. Pipe Height Difference Between

49 (15)

49 (15)

49 (15)

49 (15)

Outdoor Unit & Farthest Indoor Ft (m)

 

 

 

 

Max. Pipe Height Difference

33 (10)

33 (10)

33 (10)

33 (10)

Between Indoor Units Ft (m)

 

 

 

 

Connection Method

Flare

Flare

Flare

Flare

 

Liq. 1/4 x 2

Liq. 1/4 x 3

Liq. 1/4 x 4

Liq. 3/8 x 2

Conn. Pipe Diameter Inch

Suc. 1/2 x 1,

Suc. 1/2 x 1,

Suc. 3/8 x 2

Suc. 1/2 x 21

 

 

3/8 x 2

3/8 x 3

 

Net Weight lbs. (kg)

119 (54)

124 (56)

149 (68)

149 (68)

Dimensions: Height Inch

27-9/16

27-9/16

32-11/16

32-11/16

mm

700

700

830

830

Width Inch

35-7/16

35-7/16

35-7/16

35-7/16

mm

900

900

900

900

Depth Inch

13

13

13

13

mm

330

330

330

330

Refrigerant

R410A

R410A

R410A

R410A

118+18 is the only 2 indoor unit (ASU, ARU or AUU) combination and requires K9FZ1818. 2See Design & Technical Manual for allowed combinations within this connectable capacity range.

Nominal Capacities, SEER and HSPF Ratings

Data below is based on AHRI 210/240 non-ducted wall mounted models.

 

 

 

 

Cooling

 

 

Heating Capacity

 

 

 

 

Indoor Unit

Capacity

 

 

COP

 

Model

 

EER

SEER

 

Btu/h

HSPF

 

 

 

Btu/h

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Type

 

Combination

95F

 

 

47F

 

17F

47F

 

 

Non-Ducted

 

ASU9+ASU9

18,000

12.50

18.0

22,000

13,900

3.44

9.3

 

Ducted

-

18,000

12.10

16.0

22,000

13,900

3.52

9.0

AOU18RLXFZ

Mixed

-

18,000

12.30

17.0

22,000

13,900

3.48

9.2

 

Specific

 

ASU7+ASU12 and

18,000

12.50

18.0

22,000

 

13,900

3.67

9.0

 

 

ASU9+ASU12

 

 

 

 

 

 

 

 

 

 

 

 

 

Non-Ducted

 

ASU9+ASU7+ASU7

22,000

12.50

18.0

24,000

 

14,100

4.04

9.5

AOU24RLXFZ

Ducted

-

22,000

10.60

15.5

24,000

14,100

3.42

9.0

 

Mixed

-

22,000

11.55

16.8

24,000

14,100

3.74

9.3

 

Non-Ducted

-

35,200

8.80

16.0

36,400

22,000

3.56

9.4

AOU36RLXFZ

Ducted

-

33,800

8.10

14.5

36,400

21,200

3.08

8.7

 

Mixed

-

34,400

8.45

15.3

36,400

21,600

3.32

9.1

 

 

 

 

 

 

 

 

 

 

 

 

Yellow rows represent models that are ENERGY STAR® Qualified.

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Contents Hybrid Flex Inverter System Use mini-splits just about any place that requires comfortFeatures Hybrid Flex Inverter System Zoned Mix and Match FlexibilityRLS2 Designer Series Compatibility Wall Mounted ASU9RLS2, ASU12RLS2, ASU15RLS2Multi-Zone Outdoor Units 18, 24 and 36,000 BTUs AOU18RLXFZ, AOU24RLXFZ, AOU36RLXFZNominal Capacities, Seer and Hspf Ratings AOU 18RLXFZ 24RLXFZ 36RLXFZStandard Features Wall Mounted 7, 9, 12, 18 and 24,000 BTUsBuilt In Filtration ASU7, 9, 12RLF ASU18, 24RLF ASU9, 12, 15RLS2Compact Duct 9, 12, 18 and 24,000 BTUs ARU9RLF, ARU12RLF, ARU18RLF, ARU24RLFCompact Duct Return Air-intake ChoicesEasy Installation Compact Cassettes 9, 12, and 18,000 BTUsAUU9RLF, AUU12RLF, AUU18RLF Stage Turbo FanOptional Accessories

AOU36FLXFZ, AOU24RLXFZ, Hybrid Flex Inverter System, AOU18RLXFZ specifications

The Fujitsu AOU36FLXFZ, AOU24RLXFZ, and AOU18RLXFZ represent a significant advancement in cooling and heating technology through the Hybrid Flex Inverter System. These models utilize cutting-edge inverter technology, allowing for efficient and adaptable temperature control across a variety of settings.

One of the main features of these units is their ability to operate in both heating and cooling modes, making them suitable for year-round climate control. This dual functionality is particularly beneficial for users in regions with extreme temperature fluctuations. The system's inverter technology ensures that the compressors adjust their speed according to the cooling or heating demands, leading to substantial energy savings while providing consistent comfort.

The Hybrid Flex Inverter System is designed with a focus on performance and flexibility. The AOU36FLXFZ, with its higher capacity, is ideal for larger spaces, while the AOU24RLXFZ and AOU18RLXFZ cater to smaller areas. This scalability allows users to select a model that best fits their specific requirements. Additionally, these units can be paired with multiple indoor systems, accommodating diverse layouts and preferences.

Energy efficiency is a prominent characteristic of the Fujitsu AOU series, with SEER (Seasonal Energy Efficiency Ratio) ratings that often exceed industry standards. This aspect not only reduces energy consumption but also translates into lower utility bills. Furthermore, the models are equipped with advanced filtration systems, which assist in improving indoor air quality by reducing dust, allergens, and other airborne particles.

Fujitsu has incorporated several technological advancements in these models. The use of a high-performance scroll compressor enhances reliability and efficiency while minimizing operational noise. Additionally, the units feature a smart control system, allowing for easy adjustments via remote control or smart devices. This connectivity enhances user convenience and encourages better temperature management.

Durability is another key characteristic of the AOU series. Built with high-quality materials and designed to withstand varying environmental conditions, these units promise longevity and minimal maintenance.

In summary, the Fujitsu AOU36FLXFZ, AOU24RLXFZ, and AOU18RLXFZ Hybrid Flex Inverter System provide a powerful, energy-efficient, and adaptable solution for modern climate control needs. Their blend of advanced technology, flexibility, and durability makes them a valuable investment for both residential and commercial applications.