Fujitsu AUU7RLF Service manual

AIR CONDITIONER
Multi: 5 rooms type
DESIGN & TECHNICAL MANUAL
INDOOR
AUU7RLF
AUU9RLF
AUU12RLF
AUU18RLF
ARU7RLF
ARU9RLF
ARU12RLF
ARU18RLF ARU24RLF
ASU7RLF1
ASU9RLF1
ASU12RLF1
ASU15RLF1
ASU18RLF
ASU24RLF
AGU9RLF
AGU12RLF
AGU15RLF
OUTDOOR
AOU45RLXFZ
DR_MU002EF_09
2018.06.14

Notices:
• Product specifications and design are subject to change without notice for future improvement.
• For further details, please check with our authorized dealer.
Copyright © 2016, 2018 Fujitsu General Limited. All rights reserved.

CONTENTS
Part 1. INDOOR UNIT...........................................................................1
1. Model lineup ..................................................................................................2
1-1. Indoor unit connection patterns........................................................................................3
2. Specifications................................................................................................6
2-1. Compact cassette type ....................................................................................................6
2-2. Slim duct type ..................................................................................................................7
2-3. Wall mounted type ...........................................................................................................9
2-4. Floor type.......................................................................................................................11
3. Dimensions..................................................................................................12
3-1. Compact cassette type ..................................................................................................12
3-2. Slim duct type ................................................................................................................15
3-3. Wall mounted type .........................................................................................................20
3-4. Floor type.......................................................................................................................24
4. Wiring diagrams ..........................................................................................25
4-1. Compact cassette type ..................................................................................................25
4-2. Slim duct type ................................................................................................................26
4-3. Wall mounted type .........................................................................................................27
4-4. Floor type.......................................................................................................................29
5. Air velocity and temperature distributions ...............................................30
5-1. Compact cassette type ..................................................................................................30
5-2. Slim duct type ................................................................................................................36
5-3. Wall mounted type .........................................................................................................46
5-4. Floor type.......................................................................................................................52
6. Fan performance .........................................................................................53
6-1. Slim duct type ................................................................................................................53
7. Airflow..........................................................................................................63
7-1. Compact cassette type ..................................................................................................63
7-2. Slim duct type ................................................................................................................64
7-3. Wall mounted type .........................................................................................................65
7-4. Floor type.......................................................................................................................66
8. Noise level curve.........................................................................................67
8-1. Compact cassette type ..................................................................................................67
8-2. Slim duct type ................................................................................................................69
8-3. Wall mounted type .........................................................................................................72
8-4. Floor type.......................................................................................................................75
8-5. Sound level check point .................................................................................................77
9. Electrical characteristics............................................................................79
10. Safety devices .............................................................................................80
11. External input and output...........................................................................81
11-1.External input................................................................................................................81

11-2.External output..............................................................................................................84
12. Group connection .......................................................................................91
12-1.Precautions on creating a group connection.................................................................92
12-2.Remote controller address setting procedure for wireless remote controllers...............94
13. Remote controller .......................................................................................95
13-1.Wireless remote controller (UTY-LNHUM) ....................................................................95
13-2.Wireless remote controller (AR-REG1U).......................................................................97
13-3.Wired remote controller (UTY-RNNUM)........................................................................99
13-4.Simple remote controller (UTY-RSNUM: Optional part)..............................................104
13-5.Central remote controller (UTY-DMMUM: Optional part) ............................................109
14. Function settings ......................................................................................113
14-1.Indoor unit (setting by jumper wire).............................................................................113
14-2.Indoor unit (setting by wireless remote controller).......................................................114
14-3.Indoor unit (setting by wired remote controller) ...........................................................127
14-4.Indoor unit (setting by simple remote controller) .........................................................130
14-5.Function details...........................................................................................................134
14-6.Wired remote controller...............................................................................................139
14-7.Simple remote controller .............................................................................................141
14-8.Central remote controller.............................................................................................142
15. Accessories...............................................................................................143
15-1.Compact cassette type ...............................................................................................143
15-2.Slim duct type .............................................................................................................143
15-3.Wall mounted type ......................................................................................................145
15-4.Floor type....................................................................................................................147
16. Optional parts............................................................................................148
16-1.Controllers ..................................................................................................................148
16-2.Cassette grille .............................................................................................................150
16-3.Others .........................................................................................................................151
17. Indoor unit installation precautions ........................................................153
17-1.Places where prohibited for use..................................................................................153
17-2.Points to remember when installing ............................................................................154
CONTENTS (continued)

Part 2. OUTDOOR UNIT...................................................................157
1. Specifications............................................................................................158
2. Dimensions................................................................................................159
2-1. Model: AOU45RLXFZ ..................................................................................................159
3. Installation space ......................................................................................160
3-1. Model: AOU45RLXFZ ..................................................................................................160
4. Refrigerant circuit .....................................................................................163
4-1. Model: AOU45RLXFZ ..................................................................................................163
5. Wiring diagram ..........................................................................................164
5-1. Model: AOU45RLXFZ ..................................................................................................164
6. Capacity table............................................................................................165
6-1. Combinations...............................................................................................................165
6-2. Cooling capacity...........................................................................................................171
6-3. Heating capacity ..........................................................................................................193
7. Capacity compensation rate for pipe length and height difference......211
7-1. Model: AOU45RLXFZ ..................................................................................................211
8. Additional charge calculation ..................................................................215
8-1. Model: AOU45RLXFZ ..................................................................................................215
9. Airflow........................................................................................................216
9-1. Model: AOU45RLXFZ ..................................................................................................216
10. Operation noise (sound pressure)...........................................................217
10-1.Noise level curve.........................................................................................................217
10-2.Sound level check point ..............................................................................................217
11. Electrical characteristics..........................................................................218
12. Safety devices ...........................................................................................219
13. Function settings ......................................................................................220
13-1.Setting methods..........................................................................................................220
13-2.Outdoor unit low noise operation function (option)......................................................223
14. Check and test...........................................................................................224
14-1.Check run ...................................................................................................................224
14-2.Test run.......................................................................................................................230
14-3.Error code ...................................................................................................................232
14-4.Pump down.................................................................................................................235
15. Accessories...............................................................................................237
16. Optional parts............................................................................................238
17. Outdoor unit installation precautions .....................................................239
17-1.Places where prohibited for use..................................................................................239
17-2.Points to remember when installing ............................................................................239
CONTENTS (continued)

Part 1. INDOOR UNIT
COMPACT CASSETTE TYPE:
AUU7/9/12/18RLF
SLIM DUCT TYPE:
ARU7/9/12/18/24RLF
WALL MOUNTED TYPE:
ASU7/9/12/15RLF1
ASU18/24RLF
FLOOR TYPE:
AGU9/12/15RLF

1. Model lineup
Indoor unit
AUU7RLF
AUU9RLF
AUU12RLF
AUU18RLF
ARU7RLF
ARU9RLF
ARU12RLF
ARU18RLF
ARU24RLF ASU7RLF1
ASU9RLF1
ASU12RLF1
ASU15RLF1
ASU18RLF
ASU24RLF
AGU9RLF
AGU12RLF
AGU15RLF
Outdoor unit
AOU45RLXFZ
- 2 - 1. Model lineup
MULTI TYPE 5 rooms type MULTI TYPE 5 rooms type

1-1. Indoor unit connection patterns
5 rooms
Outdoor unit: AOU45RLXFZ
No. room 1 room 2 room 3 room 4 room 5 total
1 12 24 — — — 36
2 15 24 — — — 39
3 18 18 — — — 36
4 18 24 — — — 42
5 24 24 — — — 48
6 7 7 24 — — 38
7 7 9 18 — — 34
8 7 9 24 — — 40
9 7 12 18 — — 37
10 7 12 24 — — 43
11 7 15 15 — — 37
12 7 15 18 — — 40
13 7 15 24 — — 46
14 7 18 18 — — 43
15 7 18 24 — — 49
16 9 9 18 — — 36
17 9 9 24 — — 42
18 9 12 15 — — 36
19 9 12 18 — — 39
20 9 12 24 — — 45
21 9 15 15 — — 39
22 9 15 18 — — 42
23 9 15 24 — — 48
24 9 18 18 — — 45
25 9 18 24 — — 51
26 12 12 12 — — 36
27 12 12 15 — — 39
28 12 12 18 — — 42
29 12 12 24 — — 48
30 12 15 15 — — 42
31 12 15 18 — — 45
32 12 15 24 — — 51
33 12 18 18 — — 48
34 12 18 24 — — 54
35 15 15 15 — — 45
36 15 15 18 — — 48
37 15 15 24 — — 54
38 15 18 18 — — 51
39 18 18 18 — — 54
40 7 7 7 15 — 36
41 7 7 7 18 — 39
42 7 7 7 24 — 45
43 7 7 9 12 — 35
44 7 7 9 15 — 38
45 7 7 9 18 — 41
46 7 7 9 24 — 47
47 7 7 12 12 — 38
48 7 7 12 15 — 41
49 7 7 12 18 — 44
50 7 7 12 24 — 50
- 3 -
1-1. Indoor unit connection patterns 1. Model lineup
MULTI TYPE 5 rooms type MULTI TYPE 5 rooms type

Outdoor unit: AOU45RLXFZ
No. room 1 room 2 room 3 room 4 room 5 total
51 7 7 15 15 — 44
52 7 7 15 18 — 47
53 7 7 15 24 — 53
54 7 7 18 18 — 50
55 7 9 9 9 — 34
56 7 9 9 12 — 37
57 7 9 9 15 — 40
58 7 9 9 18 — 43
59 7 9 9 24 — 49
60 7 9 12 12 — 40
61 7 9 12 15 — 43
62 7 9 12 18 — 46
63 7 9 12 24 — 52
64 7 9 15 15 — 46
65 7 9 15 18 — 49
66 7 9 18 18 — 52
67 7 12 12 12 — 43
68 7 12 12 15 — 46
69 7 12 12 18 — 49
70 7 12 15 15 — 49
71 7 12 15 18 — 52
72 7 15 15 15 — 52
73 9 9 9 9 — 36
74 9 9 9 12 — 39
75 9 9 9 15 — 42
76 9 9 9 18 — 45
77 9 9 9 24 — 51
78 9 9 12 12 — 42
79 9 9 12 15 — 45
80 9 9 12 18 — 48
81 9 9 12 24 — 54
82 9 9 15 15 — 48
83 9 9 15 18 — 51
84 9 9 18 18 — 54
85 9 12 12 12 — 45
86 9 12 12 15 — 48
87 9 12 12 18 — 51
88 9 12 15 15 — 51
89 9 12 15 18 — 54
90 12 12 12 12 — 48
91 12 12 12 15 — 51
92 12 12 12 18 — 54
93 12 12 12 18 — 54
94 12 12 15 15 — 54
95 7 7 7 7 7 35
96 7 7 7 7 9 37
97 7 7 7 7 12 40
98 7 7 7 7 15 43
99 7 7 7 7 18 46
100 7 7 7 7 24 52
101 7 7 7 9 9 39
102 7 7 7 9 12 42
103 7 7 7 9 15 45
104 7 7 7 9 18 48
105 7 7 7 9 24 54
- 4 -
1-1. Indoor unit connection patterns 1. Model lineup
MULTI TYPE 5 rooms type MULTI TYPE 5 rooms type

Outdoor unit: AOU45RLXFZ
No. room 1 room 2 room 3 room 4 room 5 total
106 7 7 7 12 12 45
107 7 7 7 12 15 48
108 7 7 7 12 18 51
109 7 7 7 15 15 51
110 7 7 7 15 18 54
111 7 7 9 9 9 41
112 7 7 9 9 12 44
113 7 7 9 9 15 47
114 7 7 9 9 18 50
115 7 7 9 12 12 47
116 7 7 9 12 15 50
117 7 7 9 12 18 53
118 7 7 9 15 15 53
119 7 7 12 12 12 50
120 7 7 12 12 15 53
121 7 9 9 9 9 43
122 7 9 9 9 12 46
123 7 9 9 9 15 49
124 7 9 9 9 18 52
125 7 9 9 12 12 49
126 7 9 9 12 15 52
127 7 9 12 12 12 52
128 9 9 9 9 9 45
129 9 9 9 9 12 48
130 9 9 9 9 15 51
131 9 9 9 9 18 54
132 9 9 9 12 12 51
133 9 9 9 12 15 54
134 9 9 12 12 12 54
7: 7,000Btu/h, 9: 9,000Btu/h, 12: 12,000Btu/h, 15: 14,000Btu/h, 18: 18,000Btu/h,
24: 24,000Btu/h
- 5 -
1-1. Indoor unit connection patterns 1. Model lineup
MULTI TYPE 5 rooms type MULTI TYPE 5 rooms type

2. Specifications
2-1. Compact cassette type
Model name AUU7RLF AUU9RLF AUU12RLF AUU18RLF
Power supply 208/230 V ~ 60 Hz
Available voltage range 187—264 V
Capacity Btu/h class 7,000 9,000 12,000 18,000
Input power W 18 18 23 39
Running current A 0.15 0.15 0.19 0.30
Fan
Airflow rate
Cooling
HIGH
CFM (m3/h)
318 (540) 318 (540) 359 (610) 441 (750)
MED 288 (490) 288 (490) 312 (530) 359 (610)
LOW 259 (440) 259 (440) 277 (470) 306(520)
QUIET 230 (390) 230 (390) 241 (410) 241 (410)
Heating
HIGH 318 (540) 318 (540) 359 (610) 471 (800)
MED 288 (490) 288 (490) 312 (530) 418 (710)
LOW 259 (440) 259 (440) 277 (470) 353 (600)
QUIET 230 (390) 230 (390) 241 (410) 265 (450)
Type × Q'ty Turbo fan × 1
Motor output W 54
Sound pressure level *
Cooling
HIGH
dB (A)
33 33 37 42
MED 31 31 33 37
LOW 29 29 31 33
QUIET 27 27 28 29
Heating
HIGH 34 34 37 44
MED 32 32 33 40
LOW 29 29 31 37
QUIET 27 27 28 30
Heat exchanger type
Dimensions (H × W × D) in (mm) 8-1/4 × 51-9/16 × 1/2 + 8-1/4 × 49-3/16 × 1/2 (210 × 1,310 × 13.3 + 210 × 1,250 × 13.3)
Fin pitch FPI 21
Rows × Stages 2 × 10
Pipe type Copper tube
Fin type Aluminum
Dimensions
(H × W × D)
Net in (mm) 9-5/8 × 22-7/16 × 22-7/16 (245 × 570 × 570)
Gross 10-7/16 × 28-3/4 × 24-5/8 (265 × 730 × 625)
Weight Net lb (kg) 33 (15)
Gross 40 (18)
Connection pipe Size Liquid in (mm) Ø1/4 (Ø6.35)
Gas Ø3/8 (Ø9.52) Ø1/2 (Ø12.70)
Method Flare
Operation range Cooling °F (°C) 64 to 90 (18 to 32)
%RH 80 or less
Heating °F (°C) 60 to 86 (16 to 30)
Drain hose Material Hard PVC
Size in (mm) Ø 3/4(I.D.), Ø 1-1/16(O.D.) [Ø 20.7 (I.D.), Ø 26.6 (O.D.)]
Cassette grille
(Standard type: Option)
Model name UTG-CCGF
Material PS
Color White
Approximate color of Munsell N 9.25/
Dimensions
(H × W × D)
Net in (mm) 1-15/16 × 27-9/16 × 27-9/16 (49 × 700 × 700)
Gross 4-3/4 × 30-1/8 × 29-3/4 (120 × 765 × 755)
Weight Net lb (kg) 5.7 (2.6)
Gross 10 (4.5)
Cassette grille
(Grid type: Option)
Model name UTG-CCGFG
Material PS
Color White
Approximate color of Munsell 9PB 9.1/0.2
Dimensions
(H × W × D)
Net in (mm) 1-15/16 × 24-7/16 × 24-7/16 (49 × 620 × 620)
Gross 4-3/4 × 30-1/8 × 29-3/4 (120 × 765 × 755)
Weight Net lb (kg) 5.1 (2.3)
Gross 10 (4.5)
Remote controller type Wired (Wireless [option])
NOTES:
• The protective function might work when using it outside the operation range.
• *: Sound pressure level:
– Measured values in manufacturer’s anechoic chamber.
– Because of the surrounding sound environment, the sound levels measured in actual installation conditions might be higher than the specified values here.
- 6 -
2-1. Compact cassette type 2. Specifications
MULTI TYPE 5 rooms type MULTI TYPE 5 rooms type

2-2. Slim duct type
Model name ARU7RLF ARU9RLF ARU12RLF
Power supply 208/230 V ~ 60 Hz
Available voltage range 187—264 V
Capacity Btu/h class 7,000 9,000 12,000
Input power W 33 49 58
Running current A 0.30 0.30 0.35
Fan
Airflow rate
Cooling
HIGH
CFM (m3/h)
324 (550) 353 (600) 383 (650)
MED 288 (490) 324 (550) 353 (600)
LOW 277 (470) 294 (500) 324 (550)
QUIET 259 (440) 265 (450) 283 (480)
Heating
HIGH 324 (550) 353 (600) 383 (650)
MED 288 (490) 324 (550) 353 (600)
LOW 277 (470) 294 (500) 324 (550)
QUIET 259 (440) 265 (450) 283 (480)
Type × Q'ty Sirocco fan × 2
Motor output W 80
Recommended static pressure inWG (Pa) 0 to 0.36 (0 to 90)
Sound pressure level *
Cooling
HIGH
dB (A)
28 28 29
MED 26 27 28
LOW 25 26 27
QUIET 24 25 26
Heating
HIGH 28 28 29
MED 26 26 28
LOW 25 25 27
QUIET 24 24 24
Heat exchanger type
Dimensions (H × W × D) in (mm) 11-9/16 × 19-11/16 × 1-1/16
(294 × 500 × 26.6)
11-9/16 × 19-11/16 × 1-9/16
(294 × 500 × 39.9)
Fin pitch FPI 20
Rows × Stages 2 × 14 3 × 14
Pipe type Copper tube
Fin type Aluminum
Enclosure Material Galvanized steel sheet
Color -
Dimensions
(H × W × D)
Net in (mm) 7-13/16 × 27-9/16 × 24-7/16 (198 × 700 × 620)
Gross 10-13/16 × 37-3/16 × 30-3/8 (274 × 945 × 772)
Weight Net lb (kg) 37 (17) 40 (18)
Gross 49 (22) 51 (23)
Connection pipe Size Liquid in (mm) Ø1/4 (Ø6.35)
Gas Ø3/8 (Ø9.52)
Method Flare
Drain hose Material Hard PVC
Size in (mm) Ø 3/4 (I.D.), Ø 1-1/16 (O.D.) [Ø 20.7 (I.D.), Ø 26.6 (O.D.)]
Operation range Cooling °F (°C) 64 to 90 (18 to 32)
%RH 80 or less
Heating °F (°C) 60 to 86 (16 to 30)
Remote controller type Wired (Wireless [option])
NOTES:
• Specifications are based on the following conditions.
– Standard static pressure: 0.10 inWG (25 Pa)
• *: Sound pressure level:
– Measured values in manufacturer’s anechoic chamber.
– Because of the surrounding sound environment, the sound levels measured in actual installation conditions might be higher than the specified values here.
- 7 -
2-2. Slim duct type 2. Specifications
MULTI TYPE 5 rooms type MULTI TYPE 5 rooms type

Model name ARU18RLF ARU24RLF
Power supply 208/230 V ~ 60 Hz
Available voltage range 187—264 V
Capacity Btu/h class 18,000 24,000
Input power W 73 111
Running current A 0.44 0.66
Fan
Airflow rate
Cooling
HIGH
CFM (m3/h)
554 (940) 783 (1,330)
MED 518 (880) 730 (1,240)
LOW 483 (820) 648 (1,100)
QUIET 441 (750) 607 (1,030)
Heating
HIGH 554 (940) 783 (1,330)
MED 518 (880) 730 (1,240)
LOW 483 (820) 648 (1,100)
QUIET 441 (750) 607 (1,030)
Type × Q'ty Sirocco × 3 Sirocco × 4
Motor output W 81
Recommended static pressure inWG (Pa) 0 to 0.36 (0 to 90) 0 to 0.20 (0 to 50)
Sound pressure level *2
Cooling
HIGH
dB (A)
32 33
MED 31 32
LOW 30 30
QUIET 29 29
Heating
HIGH 33 35
MED 32 34
LOW 31 32
QUIET 29 29
Heat exchanger type
Dimensions (H × W × D) in (mm) 11-9/16 × 27-9/16 × 1-9/16
(294 × 700 × 39.9)
11-9/16 × 35-7/16 × 1-9/16
(294 × 900 × 39.9)
Fin pitch FPI 20
Rows × Stages 3 × 14
Pipe type Copper tube
Fin type Aluminum
Enclosure Material Galvanized steel sheet
Color -
Dimensions
(H × W × D)
Net
in (mm)
7-13/16 x 35-7/16 x 24-7/16
(198 × 900 × 620)
7-13/16 x 43-5/16 x 24-7/16
(198 × 1,100 × 620)
Gross 10-13/16 x 45-1/16 x 30-3/8
(274 × 1,145 × 772)
10-13/16 x 52-15/16 x 30-3/8
(274 × 1,345 × 772)
Weight Net lb (kg) 49 (22) 55 (25)
Gross 60 (27) 68 (31)
Connection pipe Size Liquid mm (in) Ø1/4 (Ø6.35)
Gas Ø1/2 (Ø12.70) Ø5/8 (Ø15.88)
Method Flare
Drain hose Material Hard PVC
Size in (mm) Ø 3/4(I.D.), Ø 1-1/16(O.D.) [Ø 20.7 (I.D.), Ø 26.6 (O.D.)]
Operation range Cooling °F (°C) 64 to 90 (18 to 32)
%RH 80 or less
Heating °F (°C) 60 to 86 (16 to 30)
Remote controller type Wired (Wireless [option])
NOTES:
• Specifications are based on the following conditions.
– Standard static pressure: 0.10 inWG (25 Pa)
• *: Sound pressure level:
– Measured values in manufacturer’s anechoic chamber.
– Because of the surrounding sound environment, the sound levels measured in actual installation conditions might be higher than the specified values here.
- 8 -
2-2. Slim duct type 2. Specifications
MULTI TYPE 5 rooms type MULTI TYPE 5 rooms type

2-3. Wall mounted type
Model name ASU7RLF1 ASU9RLF1 ASU12RLF1 ASU15RLF1
Power supply 208/230 V ~ 60 Hz
Available voltage range 187—264 V
Capacity Btu/h class 7,000 9,000 12,000 14,000
Input power W 15 17 22 28
Running current A 0.13 0.15 0.19 0.25
Fan
Airflow rate
Cooling
HIGH
CFM (m3/h)
330 (560) 353 (600) 388 (660) 430 (730)
MED 294 (500) 306 (520) 330 (560) 353 (600)
LOW 253 (430) 253 (430) 265 (450) 312 (530)
QUIET 182 (310) 182 (310) 182 (310) 212 (360)
Heating
HIGH 330 (560) 353 (600) 388 (660) 430 (730)
MED 294 (500) 306 (520) 330 (560) 362 (615)
LOW 253 (430) 253 (430) 277 (470) 330 (560)
QUIET 194 (330) 194 (330) 194 (330) 221 (375)
Type × Q'ty Cross flow fan × 1
Motor output W 30
Sound pressure level *
Cooling
HIGH
dB (A)
36 37 40 42
MED 32 33 36 38
LOW 29 29 30 33
QUIET 21 21 21 25
Heating
HIGH 36 37 40 42
MED 32 33 36 38
LOW 29 29 31 35
QUIET 22 22 22 27
Heat exchanger type
Dimensions (H × W × D) in (mm) Main: 12-5/8 × 24-13/16 × 13/16 (320 × 630 × 20)
Sub: 3-5/16 × 24-13/16 × 1/2 (84 × 630 × 13.3)
Fin pitch FPI Main: 23, Sub: 18
Rows × Stages Main: 2 × 20, Sub: 1 × 4
Pipe type Copper tube
Fin type Aluminum
Enclosure
Material Polystyrene
Color White
(Approximate color of Munsell N 9.25/)
Dimensions
(H × W × D)
Net in (mm) 10-9/16 × 33-1/16 × 8 (268 × 840 × 203)
Gross 10-5/8 × 34-13/16 × 14-3/4 (270 × 884 × 336)
Weight Net lb (kg) 19 (8.5)
Gross 23 (10.5)
Connection pipe Size Liquid in (mm) Ø1/4 (Ø6.35)
Gas Ø3/8 (Ø9.52) Ø1/2 (Ø12.70)
Method Flare
Drain hose Material PP + LLDPE
Size in (mm) Ø 9/16(I.D.), Ø 5/8 to Ø 11/16(O.D.) [Ø 13.8(I.D.), Ø 15.8 to Ø 16.7(O.D.)]
Operation range Cooling °F (°C) 64 to 90 (18 to 32)
%RH 80 or less
Heating °F (°C) 60 to 86 (16 to 30)
Remote controller type Wireless (Wired [option])
NOTES:
• The protective function might work when using it outside the operation range.
• *Sound pressure level:
– Measured values in manufacturer’s anechoic chamber.
– Because of the surrounding sound environment, the sound levels measured in actual installation conditions might be higher than the specified values here.
- 9 -
2-3. Wall mounted type 2. Specifications
MULTI TYPE 5 rooms type MULTI TYPE 5 rooms type

Model name ASU18RLF ASU24RLF
Power supply 208/230 V ~ 60 Hz
Available voltage range 187—264 V
Capacity Btu/h class 18,000 24,000
Input power W 41 69
Running current A 0.32 0.53
Fan
Airflow rate
Cooling
HIGH
CFM (m3/h)
542 (920) 659 (1,120)
MED 436 (740) 530 (900)
LOW 365 (620) 436 (740)
QUIET 324 (550) 365 (620)
Heating
HIGH 542 (920) 647 (1,100)
MED 436 (740) 530 (900)
LOW 365 (620) 436 (740)
QUIET 324 (550) 365 (620)
Type × Q'ty Cross flow fan ×1
Motor output W 42
Sound pressure level *
Cooling
HIGH
dB (A)
43 49
MED 37 42
LOW 33 37
QUIET 31 33
Heating
HIGH 44 48
MED 37 42
LOW 33 37
QUIET 31 33
Heat exchanger type
Dimensions (H × W × D) in (mm) Main: 15-7/8 × 33-3/4 × 1-1/16 (378 × 832 × 26.6)
Sub: 3-5/16 × 33-3/4 × 1/2 (84 × 832 × 13.3)
Fin pitch FPI Main: 21, Sub: 18
Rows × Stages Main: 2 × 18, Sub: 1 × 4
Pipe type Copper tube
Fin type Aluminum
Enclosure
Material Polystyrene
Color White
(Approximate color of Munsell N 9.25/)
Dimensions
(H × W × D)
Net in (mm) 12-5/8 × 39-1/4 × 9 (320 × 998 × 228)
Gross 12-9/16 × 42-15/16 × 16-7/8 (319 × 1,090 × 429)
Weight Net lb (kg) 31 (14)
Gross 40 (18)
Connection pipe Size Liquid mm (in) Ø1/4 (Ø6.35)
Gas Ø1/2 (Ø12.70) Ø5/8 (Ø15.88)
Method Flare
Drain hose Material PVC
Size in (mm) Ø 1/2(I.D.), Ø 5/8(O.D.) [Ø 12(I.D.), Ø 16(O.D.)]
Operation range Cooling °F (°C) 64 to 90 (18 to 32)
%RH 80 or less
Heating °F (°C) 60 to 86 (16 to 30)
Remote controller type Wireless (Wired [option])
NOTES:
• The protective function might work when using it outside the operation range.
• *Sound pressure level:
– Measured values in manufacturer’s anechoic chamber.
– Because of the surrounding sound environment, the sound levels measured in actual installation conditions might be higher than the specified values here.
- 10 -
2-3. Wall mounted type 2. Specifications
MULTI TYPE 5 rooms type MULTI TYPE 5 rooms type

2-4. Floor type
Model name AGU9RLF AGU12RLF AGU15RLF
Power supply 208/230 V ~ 60 Hz
Available voltage range 187—264 V
Capacity Btu/h class 9,000 12,000 14,000
Input power W 16 20 23
Running current A 0.15 0.18 0.20
Fan
Airflow rate
Cooling
HIGH
CFM (m3/h)
312 (530) 353 (600) 383 (650)
MED 259 (440) 288 (490) 306 (520)
LOW 212 (360) 224 (380) 235 (400)
QUIET 159 (270) 159 (270) 159 (270)
Heating
HIGH 312 (530) 353 (600) 383 (650)
MED 270 (460) 300 (510) 318 (540)
LOW 224 (380) 241 (410) 253 (430)
QUIET 159 (270) 159 (270) 159 (270)
Type × Q'ty Cross flow fan × 2
Motor output W 16
Sound pressure level *
Cooling
HIGH
dB (A)
39 42 44
MED 34 36 38
LOW 28 30 31
QUIET 22 22 22
Heating
HIGH 39 42 44
MED 35 38 39
LOW 30 32 33
QUIET 22 22 22
Heat exchanger type
Dimensions (H × W × D) in (mm) 14-7/8 × 21-5/8 × 1-1/16 (378 × 550 × 26.6)
Fin pitch FPI 21
Rows × Stages 2 x 18
Pipe type Copper tube
Fin type Aluminium
Enclosure
Material Polystyrene
Color White
(Approximate color of Munsell N 9.25/)
Dimensions
(H × W × D)
Net in (mm) 23-5/8 × 29-1/8 × 7-7/8 (600 × 740 × 200)
Gross 27-9/16 × 32-5/16 × 12-3/16 (700 × 820 × 310)
Weight Net lb (kg) 31 (14)
Gross 37 (17)
Connection pipe Size Liquid in (mm) Ø1/4 (Ø 6.35)
Gas Ø3/8 (Ø 9.52) Ø1/2 (Ø 12.70)
Method Flare
Drain hose Material PVC
Size in (mm) Ø 9/16 (I.D.), Ø 11/16 (O.D.) [Ø 13.8 (I.D.), Ø 16.7 (O.D.)]
Operation range Cooling °F (°C) 64 to 90 (18 to 32)
%RH 80 or less
Heating °F (°C) 60 to 86 (16 to 30)
Remote controller type Wireless (Wired [option])
NOTES:
• The protective function might work when using it outside the operation range.
• *Sound pressure level:
– Measured values in manufacturer’s anechoic chamber.
– Because of the surrounding sound environment, the sound levels measured in actual installation conditions might be higher than the specified values here.
- 11 -
2-4. Floor type 2. Specifications
MULTI TYPE 5 rooms type MULTI TYPE 5 rooms type

3. Dimensions
3-1. Compact cassette type
¢Models: AUU7RLF, AUU9RLF, AUU12RLF, and AUU18RLF
20-7/8 (530): Hanging bolt position
4 (102)
5-5/16
(135) 9-13/16 (250)
2-15/16 (75)
1-3/16 (30)
1-3/16 (30)
10-5/16 (262)
21-1/4 (540): Hanging bolt position
22-7/16 (570): Indoor unit
a (Ceiling openings)
• Cassette grille mounting state
Top view
5-14/16 to 7-7/8 (150 to 200)
Min. 17-11/16 (450)
Min. 17-11/16 (450)
Maintenance space
Side view
8-7/16 (215)
4-13/16 (123)
2-5/16 (58)
4-1/2 (114)
5-3/4 (146)
4-1/4 (108)
4 (102)
9-5/8 (245)
1-3/16 (30)
1-9/16 (40) 3-7/8 (99)
Drain port
Control box
Ceiling
Drain port
Be sure to leave
maintenance space
for future service
at the designated
position.
Unit: in (mm)
a (Ceiling openings size):
Standard type grille
UTG-CCGF
Grid type grille
UTG-CCGFG
22-13/16 to 26
(580 to 660)
22-13/16 to 24
(580 to 610)
- 12 -
3-1. Compact cassette type 3. Dimensions
MULTI TYPE 5 rooms type MULTI TYPE 5 rooms type

• Standard type grille (UTG-CCGF)
27-9/16 (700)
27-9/16 (700)
Bottom view
1-3/16 (30) 1-15/16 (49)
Side view
• Grid type grille (UTG-CCGFG)
24-7/16 (620)
24-7/16 (620)
Bottom view
Side view
1-3/16 (30)
1-15/16 (49)
- 13 -
3-1. Compact cassette type 3. Dimensions
MULTI TYPE 5 rooms type MULTI TYPE 5 rooms type

Installation space
40 (1,000)
or more
40 (1,000)
or more
95 (2,400)
or more
11 (262)
or more
Strong and durable ceiling
Obstruction
Floor
Unit: in (mm)
Maximum height from floor to ceiling [Unit: in (mm)]
Model name AUU7RLF and AUU9RLF AUU12RLF and AUU18RLF
Standard mode 107
(2,700)
High ceiling mode — 119
(3,000)
•3-way direction setting
4 (100) or more*
Unit: in (mm)
NOTES:
• *: When installing the indoor unit, be careful about the maintenance space.
• To set “3-direction”, optional Air outlet shutter plate (UTR-YDZB) must be installed, and the “out-
let-direction” need to be switched to “3-way” by remote controller.
• The ceiling height cannot be set in the 3-way outlet mode. Therefore, ceiling height setting
change by function setting 20 is prohibited. For details, refer to "Contents of function setting" on
page 134.
- 14 -
3-1. Compact cassette type 3. Dimensions
MULTI TYPE 5 rooms type MULTI TYPE 5 rooms type