Page 1
R410A
2 . CASSETTE TYPE :
AUU18RCLX
AUU24RCLX
D2D_AU019E/03
2007.06.11
Page 2
2-1. FEATURE
MODELS :
AUU18RCLX / AOU18RLX
AUU24RCLX / AOU24RLX
CASSETTE TYPE
AUU18-24R
FEATURES
Easy maintenance
The control box is easily accessible for maintenance work
Wide opening for easy access.
Detachable,washable filter and intake grille.
Wide opening and long-life filter.
Long-life filter
High efficiency, long-life filter extends the cleaning cycle.
CASSETTE TYPE
AUU18-24R
Slim intake grille
Slim type intake grille can fit the ceiling after installation.
25/32
(20)
unit: in.(mm)
Group controller
One remote controller can control up to 16 air conditioners.
All of the air conditioners will be operated with the same settings.
Long-life filter
Connectable quantity : Maximum 16 indoor units for 1 remote controller.
- (02 - 01) -
Page 3
Duct connection hole opening
Fresh air can be introduced through this opening.
Distribution
duct
CASSETTE TYPE
AUU18-24R
Fresh air
CASSETTE TYPE
AUU18-24R
Distribution
duct
Conditioned air can be distributed by means of a distribution duct.
Two-way
One-way
- (02 - 02) -
Page 4
2-2. REMOTE CONTROLLER
2-2-1. WIRED REMOTE CONTROLLER
FEATURES
Various timer setup (ON / OFF / WEEKLY) are possible.
SUMOTUWETH FR SA
AM
7
3126 9
F
15 18 21
Equipped with weekly timer as standard function.
(2 times Start / Stop per day for a week)
CASSETTE TYPE
AUU18-24R
When setting up a timer, operation mode and a temperature
CASSETTE TYPE
AUU18-24R
setup can be changed.
When a failure occurs,the error code is displayed. (Maximum of 16)
Error indication.(A maximum of 16 error histories are memorizable.)
Easy installation with a slim shape with no boldge in the back.
Built in room temperature sensor.
High performance and compact size
Three functions are combined in
one unit.
Wired
remote
controller
Weekly
timer
Setback
timer
Built-in timers
Setback timerWeekly timer
Possible to set ON/OFF time to operate twice each day
of the week.
SUMOTUWETH FR SA
7
PM
3126 9
15 18 21
Setup screen example
[Set to Wednesday: AM8:00 to PM8:00,75 °F(24 °C)]
Easy-to-understand time bar display
SUMOTUWETH FR SA
AM
7
3126 9
15 18 21
F
Screen
after setup
75°F (24°C)
Possible to set temperature for two time spans and
for each day of the week.
SUMOTUWETH FR SA
PM
3126 9
15 18 21
Setup screen example
[Set from Sunday to Saturday: PM12:00 to PM3:00, 82°F(28 °C)]
82°F (28°C)
F
0 3 6 9 12 15 18 21
time O'clock time O'clock
12 3 6 9 12 3 6 9
AM PM
At "Weekly timer" + "Set back timer" setup
75°F 82°F 75°F
(24°C 28°C 24°C)
0 3 6 9 12 15 18 21
time O'clock
12 3 6 9 12 3 6 9
0 3 6 9 12 15 18 21
12 3 6 9 12 3 6 9
AM PM
75°F (24°C)
82°F (28°C)
AM PM
Easy-to-understand operation Simple installation
Components are compatible with standard
switch boxes. Flat back construction allows
equipment to be installed wherever it is
needed.
Timer
area
[
Variable timer control
]
The operation/display sections are zoned according to time and operation, enabling variable programming to match application.
Operation
area
European
switch box
JIS box
- (02 - 03) -
Page 5
FUNCTIONS
1
START/STOP button
Pressed to start and stop operation.
2
Display
SUMOTUWETH FR
SA
AM
PM
369
12 15 18 21
CASSETTE TYPE
AUU18-24R
10
11
12
2
7
8
9
CLOCK ADJUST
SET BACK
DELETE SET
DAY OFF
F
14
DAY
ENERGY
THERMO
SAVE
SENSOR
1
3
4
6
5
13
Display panel
15
SUMOTUWETH FR
AM
PM
369
12 15 18 21
SA
F
16
1718 19
202122 23
Set Temperature button
Selects the setting temperature.
3
Master control button
Selects the operating mode(AUTO, HEAT, FAN, COOL, DRY).
4
Fan control button
Selects the fan speed (AUTO, LOW, MED, HIGH).
5
Energy save button
Turns the energy efficient mode on and off.
6
Thermo sensor button
Selects whether the room temperature is detected at the
indoor unit (remote sensor) or the remote controller.
7
Timer mode (CLOCK ADJUST) button
Selects the timer mode (OFF TIMER, ON TIMER, WEEKLY TIMER)
Set the current time.
8
Day (DAY OFF) button
Temporarily cancels of one day timer.
9
Set back button
pressed select the set back timer.
10
Set time button
Pessed to select the set back timer.
Delete button
11
The schedule of a weekly timer is deleted.
CASSETTE TYPE
AUU18-24R
SPECIFICATION
12
Set button
Sets the date, hour, minute and on-off time.
13
Vertical air flow direction and swing button
Push for two seconds to change the swing mode
14
Operation lamp
Lights during operation and when the timer is on.
15
Timer and clock display
16
Operation mode display
17
Fan speed display
Central control display
18
19
Temperature display
20
Stand by display
Indicates during defrosting operation.
21
Vertical swing display
22
Energy save display
23
Thermo sensor display
SIZE [H x W x D in. (mm)] 4-23/32 x 4-23/32 x 43/64 (120 x 120 x 17)
WEIGHT oz. (g) 5-21/35 (160)
CABLE LENGTH ft.( m )
POWER ( V )
33 (10)
12
- (02 - 04) -
Page 6
2-3. SPECIFICATIONS
AUU24RCLX
AOU24RLX
Rows x Stages
Fin Pitch
FPI
Rows x Stages
Fin Pitch
FPI
1/4 (6.35) 3/8 (9.52)
1/2 (12.70) 5/8 (15.88)
lb. (Kg)
GROSS
154 (70)
DRAIN PIPE
SIZE
Inner diameter 32.0 (1 - 1/4)
REFRIGERANT
TYPE
REFRIGERANT OIL
TYPE
POWER SOURCE
AVAILABLE VOLTAGE RANGE
CAPACITY
COOLING
RATED/MAX
HEATING
RATED/MAX
TYPE
MODEL NAME
INDOOR
OUTDOOR
INPUT POWER
kW
CURRENT
A
STARTING CURRENT
MOISTURE REMOVAL
AIR
CIRCULATION
COOL/HEAT
INDOOR
CFM(m3/h)
OUTDOOR
FAN SPEED
COOL/HEAT
INDOOR
r.p.m
OUTDOOR
FAN TYPE x Q'ty
FAN MOTOR OUTPUT
W
NOISE LEVEL
(SOUND
PRESSURE)
COOL/HEAT
INDOOR
dB(A)
OUTDOOR
COMPRESSOR
TYPE
STARTING METHOD
HEAT
EXCHANGER
TYPE
INDOOR
Coil
Fin
OUTDOOR
Coil
Fin
CASING COLOR
DIMENSIONS
H × W × D
in. (mm)
PIPE
CONNECTION METHOD
SIZE
in. (mm)
MAX LENGTH
MAX HEIGHT
NET
OPERATION(OUTDOOR)
°F (°C)
REMOTE CONTROLLER TYPE
MATERIAL
GROSS
WEIGHT
NET
CASSETTE MODELS
INVERTER HEAT PUMP
208/230V 60Hz
187-253V 60Hz
TURBO × 1
PROPELLER × 1
42
100
DC TWIN ROTARY (INVERTER)
1300
Inverter
Copper tube
Aluminium
2 × 10
20
8 - 9/32 × 38 - 3/16 × 1-1/16 (210 × 970 × 26.6) [× 2 pieces]
Copper tube
Aluminium
2 × 38
20
31 - 13/32 × 35 - 7/16 × 1 - 7/16 (798 × 900 × 36.38)
White (5Y9/0.5NN)
Beige (10YR7.5/1.0NN)
9 - 11/16 × 32 - 11/16 × 32 - 11/16 (246 × 830 × 830)
32 - 11/16 × 35 - 7/16 × 13 (830 × 900 × 330)
13 - 31/32 × 41 - 23/32 × 40 - 11/32 (355 × 1060 × 1025)
38 - 3/16 × 41 - 11/32 × 17 - 17/32 (970 × 1050 × 445)
75 (34)
141 (64)
97 (44)
FLARE
164 (50) [chargeless:49 (15)]
66 (20)
R410A
WIRED
ABS
Outer diameter 37.0 (1 - 15/32)
4lb. 3oz. (1900)
POE
0 to 115 (-18 to 46)
14 to 75 (-10 to 24)
CASSETTE TYPE
AUU18-24R
SEER COOLING 16.0 15.0
HSPF HEATING 8.5 8.5
COOLING RATED/MAX 1.61 / 2.88 2.10 / 2.88
HEATING RATED/MAX 2.05 / 2.88 2.37 / 2.88
COOLING RATED/MAX 7.0 / 12.5 9.2 / 12.5
HEATING RATED/MAX 8.9 / 12.5 10.4 / 12.5
High 559 / 495 (950 / 840) 618 / 548 (1050 / 930)
Med 477 / 424 (810 / 720) 536 / 465 (910 / 790)
Low 394 / 365 (670 / 620) 435 / 395 (740 / 670)
Quiet - -
High 1942 / 1942 (3300 / 3300) 2119 / 2237 (3600 / 3800)
Low - -
High 450 / 400 490 / 440
Med 390 / 350 430 / 380
Low 330 / 310 360 / 330
Quiet - -
High 780 / 780 850 / 900
Low - -
INDOOR
OUTDOOR
INDOOR
OUTDOOR
High 42.0 / 40.0 45.0 / 43.0
Med 39.0 / 38.0 43.0 / 39.0
Low 36.0 / 36.0 38.0 / 35.0
AUU18RCLX
AOU18RLX
kW 5.20 / 6.30 6.50 / 8.00
BTU/h 17,800 / 21,500 22,200 / 27,300
kW 6.15 / 7.50 7.10 / 8.50
BTU/h 21,000 / 25,600 24,200 / 29,000
A 8.4 9.5
pints/h( l/h ) 5.3 (2.5) 6.4 (3.0)
51.0 / 53.0 53.0 / 55.0
CASSETTE TYPE
AUU18-24R
OUTPUT W
Coil Dimensions
Coil Dimensions
INDOOR
OUTDOOR
INDOOR
OUTDOOR
INDOOR
OUTDOOR
INDOOR
OUTDOOR
INDOOR
OUTDOOR
LIQUID
GAS
CHARGE lb. oz. (g)
COOLING
HEATING
in. (mm)
in. (mm)
ft. (m)
ft. (m)
Note:
Specifications are based on the following conditions.
Power source of specifications : 230V
Cooling:Indoor temperature of 80.6 °
Heating:Indoor temperature of 68.0 °F(20°C)DB / 59.0 °F(15°C)WB,and outdoor temperature of 44.6 °F(7°C)DB/42.8 °F(6°C)WB.
Pipe length : 24ft. 7in.(7.5m),Height difference : 0 ft.(0m) [Outdoor unit - Indoor unit]
mm
(Reference in.)
F
(27°C)DB / 66.2 °F(19°C)WB,and outdoor temperature of 95.0 °F(35°C)DB/75.2 °F(24°C)WB.
- (02 - 05) -
Page 7
2-4. DIMENSIONS
2-4-1. OUTDOOR UNIT
MODELS : AOU18R, AOU24R
CASSETTE TYPE
AUU18-24R
Unit : in.(mm)
CASSETTE TYPE
AUU18-24R
Top view
35-7/16 (900)
32-11/16 (830)
13/16 (21)
(9)
11/32
Front view
3-1/32 (77)
1-7/32
(31)
13 (330)
15-3/4 (400)
15/32
(12)
Side view
25-19/32 (650)
Air flow
14-7/8 (370)
MOUNTING POSITION
When there are obstacles at the
back or front sides.
3-15/16 (100)
or more
23-5/8 (600)
or more
Bottom view
When there are obstacles at the
back, side(s), and top.
3-15/16 (100)
or more
(
9-27/
Ser
32 (
v
i
250)
c
e
s
pac
or
e)
mor
e
11-13/16 (300)
or more
3-29/32 (99)
(196)
7-23/32
5-25/32 (147)
6-11/16
(170)
When there are obstacles at the
back, side with the installation of
more than one unit.
23-5/8 (600)
or more
9-27/32 (250)
or more
11-13/16 (300)
9-27/32 (250)
or more
or more
- (02 - 06) -
Page 8
2-4-2. INDOOR UNIT
MODELS : AUU18R, AUU24R
1-3/16
(30)
CASSETTE TYPE
AUU18-24R
Side view
Unit : in.(mm)
9-11/16
(246)
CASSETTE TYPE
AUU18-24R
37 (940)
29-17/32 (750)
32-11/16 (830)
37 (940)
Bottom view (Panel)
29-17/32 (750)
32-11/16 (830)
Bottom view
Drain inside Dia. 32mm
outside Dia. 37mm
11-3/4
(298.5)
(Drain pipe)
12 (305.5)
2-3/8 (60)
7-7/8
9-1/4
(235)
(200)
9-25/32
(248.5)
Side view (Standard setting) Side view (Slender setting)
3-15/16 (100)
2-3/4 (70)
(Small pipe)
(Large pipe)
- (02 - 07) -
Page 9
MOUNTING POSITION
Floor
Unit : in.(mm)
Strong and durable ceiling
CASSETTE TYPE
AUU18-24R
39-3/8
96 (2,400)
or more
47-1/4 (1,200)
or more
(1,000)
or more
Obstruction
CASSETTE TYPE
AUU18-24R
You can select 2-way setting
(A) Standard setting (B) Slender setting
or more
9-27/32 (250)
3-15/16 (100)
or more
(4 directions) (3 directions)
Piping position
8-15/32 (215)
3-15/16 (100)
or more
(2 directions) (2 directions)
3-15/16 (100)
or more
3-15/16 (100) or more
or more
- (02 - 08) -
Page 10
2-5. REFRIGERANT CIRCUIT
MODELS : AUU18R / AOU18R
OUTDOOR UNIT
Pressure
Check Valve
High Pressure
Strainer
Switch
Muffler
4-way
Valve
Compressor
Expansion
Valve
Accumulator
c
Strainer
CASSETTE TYPE
AUU18-24R
Condenser
Refrigerant Pipe
1/2 (12.70mm )
Charging
Valve
Refrigerant Pipe
1/4 (6.35mm )
Charging Valve
INDOOR UNIT
Evaporator
CASSETTE TYPE
AUU18-24R
: COOL
: HEAT
MODELS : AUU24R / AOU24R
OUTDOOR UNIT
Pressure
Check Valve
High Pressure
Switch
4-way
Muffler
Valve
Condenser
c
Compressor
Expansion
Valve
Strainer
Strainer
INDOOR UNIT
Refrigerant Pipe
5/8 (15.88mm )
Charging
Valve
Evaporator
Accumulator
Refrigerant Pipe
3/8 (9.52mm )
Charging Valve
: COOL
: HEAT
c
(COMPRESSOR TEMP.)
- (02 - 09) -
Page 11
2-6. WIRING DIAGRAMS
2-6-1. OUTDOOR UNIT
MODELS : AOU18R, AOU24R
TEMP.
TEMP.
CASSETTE TYPE
AUU18-24R
TEMP.
TEMP.
TEMP.
CASSETTE TYPE
AUU18-24R
- (02 - 10) -
G
TO INDOOR UNIT
G
TO POWER SUPPLY
Page 12
2-6-2. INDOOR UNIT
MODELS : AUU18R, AUU24R
CASSETTE TYPE
AUU18-24R
CASSETTE TYPE
AUU18-24R
G
(N)
- (02 - 11) -
Page 13
2-7. CAPACITY TABLE
80°FDB
85°FDB
71°FWB
73°FWB
90°FDB
Outdoor temperature
54°FWB
60°FWB
63°FWB
64°FDB
70°FDB
75°FDB
Indoor temperature
67°FWB
Outdoor temperature
15.56°CWB
17.72°CWB
19.44°CWB
21.67°CWB
23.89°CDB
12.22°CWB
32.22°CDB
22.78°CWB
21.11°CDB
26.67°CDB
29.44°CDB
Indoor temperature
17.78°CDB
MODELS : AUU18R / AOU18R
COOLING
AFR 559
CASSETTE TYPE
AUU18-24R
(°FDB)
104
115
TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI
0
16.98 12.17 0.73 19.16 12.24 0.75 20.24 13.41 0.75
14
16.26 11.52 0.98 18.34 11.59 1.00 19.38 12.69 1.01
32
14.71 10.81 1.27 16.59 10.87 1.29 17.53 11.91 1.31
41
14.26 10.78 1.38 16.08 10.84 1.40 16.99 11.88 1.41
50
16.13 11.49 2.04 18.19 11.56 2.08 19.22 12.66 2.10
59
17.84 12.32 1.83 20.12 12.39 1.86 21.26 13.58 1.88
67
17.44 12.29 2.00 19.67 12.36 2.03 20.78 13.54 2.05
77
19.02 12.94 2.38 21.45 13.02 2.42 22.66 14.26 2.44
87
17.63 12.23 2.58 19.88 12.30 2.63 21.00 13.48 2.65
95
16.84 11.37 2.78 19.00 11.44 2.82 20.07 12.53 2.85
14.39 11.63 2.39 16.23 11.71 2.43 17.15 12.82 2.45
11.85 10.12 1.97 13.36 10.19 2.00 14.12 11.16 2.02
CASSETTE TYPE
AUU18-24R
14.03 0.76 23.13 14.49 0.77 23.85 16.06 0.77
21.68
13.28 1.02 22.15 13.72 1.03 22.84 15.20 1.04
20.76
12.46 1.32 20.03 12.87 1.33 20.66 14.27 1.34
18.78
12.43 1.43 19.42 12.84 1.45 20.02 14.23 1.45
18.20
13.25 2.12 21.96 13.68 2.14 22.65 15.16 2.16
20.59
14.20 1.90 24.30 14.67 1.92 25.05 16.26 1.93
22.77
14.17 2.07 23.75 14.63 2.09 24.49 16.22 2.10
22.26
14.92 2.47 25.90 15.41 2.50 26.71 17.08 2.51
24.27
14.10 2.68 24.00 14.56 2.71 24.75 16.14 2.72
22.50
13.11 2.88 22.94 13.54 2.91 23.65 15.01 2.93
21.50
13.42 2.48 19.60 13.86 2.51 20.21 15.36 2.52
18.37
11.68 2.04 16.14 12.06 2.06 16.64 13.37 2.07
15.12
SHC: Sensible Heat capacity (kBTU) PI : Power Input (kW )AFR: Air flow rate(CFM) TC : Total capacity (kBTU)
AFR 15.8
(°CDB)
-17.78
-10.00
0.00
5.00
10.00
15.00
19.44
25.00
30.56
35.00
40.00
46.11
AFR: Air flow rate(m3/min)
TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI
4.97 3.56 0.73 5.61 3.59 0.75 5.93 3.93 0.75 6.35 4.11 0.76 6.77 4.24 0.77 6.99 4.70 0.77
4.76 3.37 0.98 5.37 3.39 1.00 5.68 3.72 1.01 6.08 3.89 1.02 6.49 4.02 1.03 6.69 4.45 1.04
4.31 3.16 1.27 4.86 3.18 1.29 5.13 3.49 1.31 5.50 3.65 1.32 5.87 3.77 1.33 6.05 4.18 1.34
4.18 3.16 1.38 4.71 3.18 1.40 4.98 3.48 1.41 5.33 3.64 1.43 5.69 3.76 1.45 5.86 4.17 1.45
4.72 3.36 2.04 5.33 3.38 2.08 5.63 3.71 2.10 6.03 3.88 2.12 6.43 4.01 2.14 6.63 4.44 2.16
5.23 3.61 1.83 5.89 3.63 1.86 6.23 3.98 1.88 6.67 4.16 1.90 7.12 4.30 1.92 7.34 4.76 1.93
5.11 3.60 2.00 5.76 3.62 2.03 6.09 3.97 2.05 6.52 4.15 2.07 6.96 4.29 2.09 7.17 4.75 2.10
5.57 3.79 2.38 6.28 3.81 2.42 6.64 4.18 2.44 7.11 4.37 2.47 7.59 4.51 2.50 7.82 5.00 2.51
5.16 3.58 2.58 5.82 3.60 2.63 6.15 3.95 2.65 6.59 4.13 2.68 7.03 4.27 2.71 7.25 4.73 2.72
4.93 3.33 2.78 5.56 3.35 2.82 5.88 3.67 2.85 6.30 3.84 2.88 6.72 3.97 2.91 6.93 4.40 2.93
4.21 3.41 2.39 4.75 3.43 2.43 5.02 3.76 2.45 5.38 3.93 2.48 5.74 4.06 2.51 5.92 4.50 2.52
3.47 2.97 1.97 3.91 2.98 2.00 4.13 3.27 2.02 4.43 3.42 2.04 4.73 3.53 2.06 4.87 3.91 2.07
TC : Total capacity (kW)
SHC: Sensible Heat capacity (kW) PI : Power Input (kW)
- (02 - 12) -
Page 14
HEATING
60°FDB
Outdoor temperature
78°FDB
Indoor temperature
65°FDB
70°FDB
75°FDB
Indoor temperature
Outdoor temperature
25.56°CDB
15.56°CDB
18.33°CDB
21.11°CDB
23.89°CDB
AFR 494
(°FDB) (°FWB)
CASSETTE TYPE
AUU18-24R
AFR 14.0
14 12 20.59 2.72 19.93 2.80 19.26 2.88 18.59 2.96 18.18 3.01
23 19 22.78 2.72 22.04 2.80 21.30 2.88 20.56 2.96 20.12 3.01
32 28 24.83 2.72 24.02 2.80 23.22 2.88 22.41 2.96 21.93 3.01
41 37 25.78 2.72 24.94 2.80 24.10 2.88 23.27 2.96 22.76 3.01
47 43 27.37 2.72 26.49 2.80 25.60 2.88 24.71 2.96 24.17 3.01
50 47 28.08 2.72 27.17 2.80 26.26 2.88 25.34 2.96 24.79 3.01
59 50 29.17 2.72 28.23 2.80 27.28 2.88 26.33 2.96 25.76 3.01
68 59 26.03 2.29 25.19 2.35 24.34 2.42 23.50 2.49 22.99 2.53
75 65 26.87 2.31 26.00 2.38 25.13 2.45 24.26 2.52 23.73 2.56
AFR: Air flow rate(CFM) TC : Total capacity (kBTU)
(°CDB) (°CWB)
-10.00 -11.11 6.03 2.72 5.84 2.80 5.64 2.88 5.44 2.96 5.33 3.01
-5.00 -7.22 6.67 2.72 6.46 2.80 6.24 2.88 6.02 2.96 5.89 3.01
0.00 -2.22 7.27 2.72 7.04 2.80 6.80 2.88 6.56 2.96 6.42 3.01
5.00 2.78 7.55 2.72 7.31 2.80 7.06 2.88 6.81 2.96 6.67 3.01
8.33 6.11 8.02 2.72 7.76 2.80 7.50 2.88 7.24 2.96 7.08 3.01
10.00 8.33 8.22 2.72 7.96 2.80 7.69 2.88 7.42 2.96 7.26 3.01
15.00 10.00 8.54 2.72 8.27 2.80 7.99 2.88 7.71 2.96 7.55 3.01
20.00 15.00 7.62 2.29 7.38 2.35 7.13 2.42 6.88 2.49 6.73 2.53
23.89 18.33 7.87 2.31 7.62 2.38 7.36 2.45 7.10 2.52 6.95 2.56
AFR: Air flow rate(m3/min)
TC PI TC PI TC PI TC PI TC PI
PI : Power Input (kW)
TC PI TC PI TC PI TC PI TC PI
TC : Total capacity (kW) PI : Power Input (kW)
CASSETTE TYPE
AUU18-24R
- (02 - 13) -
Page 15
MODELS : AUU24R / AOU24R
Outdoor temperature
54°FWB
60°FWB
63°FWB
64°FDB
70°FDB
75°FDB
Indoor temperature
67°FWB
71°FWB
73°FWB
90°FDB
80°FDB
85°FDB
32.22°CDB
22.78°CWB
21.11°CDB
26.67°CDB
29.44°CDB
Indoor temperature
17.78°CDB
21.67°CWB
23.89°CDB
Outdoor temperature
15.56°CWB
17.72°CWB
19.44°CWB
12.22°CWB
COOLING
AFR 618
CASSETTE TYPE
AUU18-24R
(°FDB)
104
115
AFR: Air flow rate(CFM) TC : Total capacity (kBTU)
TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI
0
20.25 15.51 0.66 22.84 15.61 0.67 24.12 17.10 0.67
14
19.47 14.45 0.95 21.96 14.54 0.97 23.20 15.92 0.98
32
17.81 13.47 1.27 20.09 13.55 1.29 21.22 14.85 1.31
41
18.03 14.15 1.38 20.33 14.24 1.40 21.48 15.60 1.41
50
19.90 14.71 2.00 22.44 14.80 2.04 23.71 16.22 2.06
59
22.12 15.51 1.84 24.95 15.61 1.87 26.35 17.10 1.89
67
20.54 15.01 1.96 23.17 15.10 1.99 24.47 16.54 2.01
77
22.95 15.72 2.39 25.88 15.82 2.43 27.34 17.33 2.45
87
22.44 15.69 2.59 25.31 15.79 2.64 26.74 17.30 2.66
95
21.38 15.19 2.78 24.12 15.28 2.82 25.48 16.74 2.85
17.57 13.38 2.44 19.82 13.46 2.48 20.94 14.75 2.50
12.92 11.31 1.99 14.57 11.38 2.02 15.39 12.47 2.04
17.89 0.68 27.57 18.48 0.69 28.44 20.48 0.69
25.85
16.66 0.99 26.52 17.21 1.00 27.35 19.07 1.01
24.86
15.53 1.32 24.26 16.04 1.33 25.02 17.78 1.34
22.74
16.32 1.43 24.55 16.86 1.45 25.32 18.68 1.45
23.01
16.97 2.08 27.10 17.53 2.10 27.95 19.42 2.11
25.40
17.89 1.91 30.12 18.48 1.93 31.06 20.48 1.94
28.24
17.31 2.03 27.98 17.88 2.05 28.85 19.81 2.06
26.22
18.13 2.48 31.25 18.72 2.51 32.23 20.75 2.52
29.29
18.10 2.69 30.56 18.69 2.72 31.52 20.71 2.73
28.65
17.51 2.88 29.12 18.09 2.91 30.03 20.05 2.93
27.30
15.43 2.53 23.93 15.94 2.56 24.68 17.67 2.57
22.43
13.04 2.06 17.59 13.47 2.08 18.14 14.93 2.09
16.49
SHC: Sensible Heat capacity (kBTU) PI : Power Input (kW )
CASSETTE TYPE
AUU18-24R
AFR 17.5
(°CDB)
-17.78
-10.00
0.00
5.00
10.00
15.00
19.44
25.00
30.56
35.00
40.00
46.11
AFR: Air flow rate(m3/min)
TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI
5.93 4.54 0.66 6.69 4.57 0.67 7.07 5.01 0.67 7.57 5.24 0.68 8.08 5.41 0.69 8.33 6.00 0.69
5.70 4.23 0.95 6.43 4.26 0.97 6.80 4.66 0.98 7.28 4.88 0.99 7.77 5.04 1.00 8.01 5.59 1.01
5.22 3.95 1.27 5.88 3.97 1.29 6.22 4.35 1.31 6.66 4.55 1.32 7.11 4.70 1.33 7.33 5.21 1.34
5.28 4.14 1.38 5.96 4.17 1.40 6.29 4.57 1.41 6.74 4.78 1.43 7.19 4.94 1.45 7.42 5.47 1.45
5.83 4.31 2.00 6.57 4.34 2.04 6.94 4.75 2.06 7.44 4.97 2.08 7.94 5.13 2.10 8.19 5.69 2.11
6.48 4.54 1.84 7.31 4.57 1.87 7.72 5.01 1.89 8.27 5.24 1.91 8.82 5.41 1.93 9.10 6.00 1.94
6.02 4.40 1.96 6.79 4.42 1.99 7.17 4.85 2.01 7.68 5.07 2.03 8.19 5.24 2.05 8.45 5.80 2.06
6.72 4.60 2.39 7.58 4.63 2.43 8.01 5.08 2.45 8.58 5.31 2.48 9.15 5.48 2.51 9.44 6.08 2.52
6.57 4.60 2.59 7.41 4.62 2.64 7.83 5.07 2.66 8.39 5.30 2.69 8.95 5.47 2.72 9.23 6.07 2.73
6.26 4.45 2.78 7.06 4.48 2.82 7.46 4.90 2.85 8.00 5.13 2.88 8.53 5.30 2.91 8.80 5.87 2.93
5.15 3.92 2.44 5.81 3.94 2.48 6.13 4.32 2.50 6.57 4.52 2.53 7.01 4.67 2.56 7.23 5.17 2.57
3.78 3.31 1.99 4.27 3.33 2.02 4.51 3.65 2.04 4.83 3.82 2.06 5.15 3.95 2.08 5.31 4.37 2.09
TC : Total capacity (kW) SHC: Sensible Heat capacity (kW) PI : Power Input (kW)
- (02 - 14) -
Page 16
HEATING
65°FDB
70°FDB
75°FDB
78°FDB
60°FDB
Outdoor temperature
Indoor temperature
25.56°CDB
15.56 °CDB
18.33°CDB
21.11°CDB
23.89°CDB
Outdoor temperature
Indoor temperature
AFR 547
(°FDB) (°FW B)
CASSETTE TYPE
AUU18-24R
AFR 15.5
14 12 23.91 2.72 23.14 2.80 22.36 2.88 21.59 2.96 21.12 3.01
23 19 26.29 2.72 25.44 2.80 24.58 2.88 23.73 2.96 23.21 3.01
32 28 28.55 2.72 27.63 2.80 26.70 2.88 25.77 2.96 25.21 3.01
41 37 29.35 2.72 28.40 2.80 27.45 2.88 26.50 2.96 25.92 3.01
47 43 31.02 2.72 30.01 2.80 29.00 2.88 28.00 2.96 27.39 3.01
50 47 31.80 2.72 30.77 2.80 29.74 2.88 28.70 2.96 28.08 3.01
59 50 32.75 2.72 31.69 2.80 30.63 2.88 29.56 2.96 28.92 3.01
68 59 29.24 2.20 28.30 2.27 27.35 2.33 26.40 2.39 25.83 2.43
75 65 30.38 2.22 29.39 2.28 28.41 2.35 27.42 2.42 26.83 2.45
(°CDB) (°CWB)
-11.11 7.00 2.72 6.78 2.80 6.55 2.88 6.32 2.96 6.19 3.01
-10.00
-7.22 7.70 2.72 7.45 2.80 7.20 2.88 6.95 2.96 6.80 3.01
-5.00
0.00
-2.22 8.36 2.72 8.09 2.80 7.82 2.88 7.55 2.96 7.39 3.01
5.00
8.33
10.00
15.00
20.00
23.89
AFR: Air flow rate(m3/min)
2.78 8.60 2.72 8.32 2.80 8.04 2.88 7.76 2.96 7.59 3.01
6.11 9.08 2.72 8.79 2.80 8.50 2.88 8.20 2.96 8.02 3.01
8.33 9.31 2.72 9.01 2.80 8.71 2.88 8.41 2.96 8.23 3.01
10.00 9.59 2.72 9.28 2.80 8.97 2.88 8.66 2.96 8.47 3.01
15.00 8.57 2.20 8.29 2.27 8.01 2.33 7.73 2.39 7.56 2.43
18.33 8.90 2.22 8.61 2.28 8.32 2.35 8.03 2.42 7.86 2.45
TC PI TC PI TC PI TC PI TC PI
PI : Power Input (kW)AFR: Air flow rate(CFM) TC : Total capacity (kBTU)
TC PI TC PI TC PI TC PI TC PI
TC : Total capacity (kW) PI : Power Input (kW)
CASSETTE TYPE
AUU18-24R
- (02 - 15) -
Page 17
2-8. CAPACITY COMPENSATION FOR PIPE LENGTH
HEIGHT DIFFERENCE
Outdoor unit
is up-side
PIPE LENGTH
Outdoor unit
is bottom-side
COOLING
HEIGHT DIFFERENCE
HEATING
PIPE LENGTH
Outdoor unit
is bottom-side
Outdoor unit
is up-side
AND HEIGHT DIFFERENCE
MODELS : AUU18R / AOU18R
5 m 7.5 m 15 m 20 m 30 m 40 m 50 m
16 ft. 25 ft. 49 ft. 66 ft. 98 ft. 131 ft. 164 ft.
CASSETTE TYPE
AUU18-24R
20m 66ft. - - - 0.919 0.883 0.851 0.825
10m 33ft. - - 0.944 0.919 0.883 0.851 0.825
7.5m 25ft. - 1.000 0.944 0.919 0.883 0.851 0.825
5m 16ft. 1.031 1.000 0.944 0.919 0.883 0.851 0.825
0m 0ft. 1.031 1.000 0.944 0.919 0.883 0.851 0.825
-5m -16ft. 1.022 0.992 0.936 0.911 0.876 0.844 0.818
-7.5m -25ft. - 0.988 0.932 0.908 0.872 0.841 0.815
-10m -33ft. - - 0.929 0.904 0.869 0.837 0.811
-20m -66ft. - - - 0.889 0.855 0.824 0.798
5 m 7.5 m 15 m 20 m 30 m 40 m 50 m
16 ft. 25 ft. 49 ft. 66 ft. 98 ft. 131 ft. 164 ft.
20m 66ft. - - - 0.963 0.950 0.926 0.905
10m 33ft. - - 0.982 0.973 0.959 0.936 0.914
7.5m 25ft. - 0.993 0.985 0.976 0.962 0.938 0.916
5m 16ft. 0.995 0.995 0.987 0.978 0.964 0.940 0.918
CASSETTE TYPE
AUU18-24R
0m 0ft. 1.000 1.000 0.992 0.983 0.969 0.945 0.923
-5m -16ft. 1.000 1.000 0.992 0.983 0.969 0.945 0.923
-7.5m -25ft. - 1.000 0.992 0.983 0.969 0.945 0.923
-10m -33ft. - - 0.992 0.983 0.969 0.945 0.923
-20m -66ft. - - - 0.983 0.969 0.945 0.923
- (02 - 16) -
Page 18
MODELS : AUU24R / AOU24R
COOLING
PIPE LENGTH
Outdoor unit
is up-side
HEIGHT DIFFERENCE
Outdoor unit
is bottom-side
PIPE LENGTH
HEIGHT DIFFERENCE
HEATING
Outdoor unit
is bottom-side
Outdoor unit
is up-side
5 m 7.5 m 15 m 20 m 30 m 40 m 50 m
16 ft. 25 ft. 49 ft. 66 ft. 98 ft. 131 ft. 164 ft.
20m 66ft. - - - 0.938 0.931 0.916 0.905
CASSETTE TYPE
AUU18-24R
10m 33ft. - - 0.943 0.938 0.931 0.916 0.905
CASSETTE TYPE
AUU18-24R
7.5m 25ft. - 1.000 0.943 0.938 0.931 0.916 0.905
5m 16ft. 1.018 1.000 0.943 0.938 0.931 0.916 0.905
0m 0ft. 1.018 1.000 0.943 0.938 0.931 0.916 0.905
-5m -16ft. 1.009 0.992 0.935 0.931 0.924 0.909 0.898
-7.5m -25ft. - 0.988 0.931 0.927 0.920 0.905 0.894
-10m -33ft. - - 0.928 0.923 0.916 0.901 0.891
-20m -66ft. - - - 0.908 0.901 0.887 0.876
5 m 7.5 m 15 m 20 m 30 m 40 m 50 m
16 ft. 25 ft. 49 ft. 66 ft. 98 ft. 131 ft. 164 ft.
20m 66ft. - - - 0.963 0.950 0.926 0.905
10m 33ft. - - 0.982 0.973 0.959 0.936 0.914
7.5m 25ft. - 0.993 0.985 0.976 0.962 0.938 0.916
5m 16ft. 0.995 0.995 0.987 0.978 0.964 0.940 0.918
0m 0ft. 1.000 1.000 0.992 0.983 0.969 0.945 0.923
-5m -16ft. 1.000 1.000 0.992 0.983 0.969 0.945 0.923
-7.5m -25ft. - 1.000 0.992 0.983 0.969 0.945 0.923
-10m -33ft. - - 0.992 0.983 0.969 0.945 0.923
-20m -66ft. - - - 0.983 0.969 0.945 0.923
- (02 - 17) -
Page 19
2-9. ADDITIONAL CHARGE CALCULATION
R410A
4 lb. 3 oz. (1900)
REFRIGERANT TYPE
49 66 98 131 164(MAX)
15 20 30 40 50(MAX)
0 (Chargeless)
0 (Chargeless)
PIPE LENGTH
ADDITIONAL CHARGE
0.22 oz./ft.
(20g/m)
4 lb. 3 oz. (1900)
REFRIGERANT TYPE
R410A
49 66 98 131 164(MAX)
15 20 30 40 50(MAX)
0 (Chargeless)
0 (Chargeless)
0.43 oz./ft.
(40g/m)
PIPE LENGTH
ADDITIONAL CHARGE
MODELS : AUU18R / AOU18R
REFRIGERANT AMOUNT lb. oz. (g)
CASSETTE TYPE
AUU18-24R
REFRIGERANT CHARGE
ft.
m
lb. oz.
g
3.7 oz. 10.8 oz. 1 lb. 2.1 oz. 1 lb. 9.3 oz.
100 300 500 700
CASSETTE TYPE
AUU18-24R
MODELS : AUU24R / AOU24R
REFRIGERANT AMOUNT lb. oz. (g)
REFRIGERANT CHARGE
ft.
m
lb. oz.
g
7.3 oz. 1 lb. 5.1 oz. 2 lb. 3.3 oz. 3 lb. 1.5 oz.
200 600 1000 1400
- (02 - 18) -
Page 20
2-10. OPERATION RANGE
Cooling
Dry
64 to 88°F
(18 to 31°C)
About 80% or less
0 to 115°F
(-18 to 46°C)
Heating
60 to 88°F
(16 to 31°C)
-
14 to 75°F
(-10 to 24°C)
Model
Operation Range
AUU18R
AUU24R
AOU18R
AOU24R
Mode
Indoor unit Outdoor unit Indoor temperature Indoor humidity Outdoor temperature
CASSETTE TYPE
AUU18-24R
CASSETTE TYPE
AUU18-24R
- (02 - 19) -
Page 21
2-11. FAN PERFORMANCE AND AIR FLOW
2(0.5)
2-11-1. AIR VELOCITY DISTRIBUTION
MODEL : AUU18R
4-WAY AIR OUTLET
(ft.)(m)
14
3
CASSETTE TYPE
AUU18-24R
2
7
2(0.5)
1
13/16(0.25)
3(1)
UNIT : ft./s(m/s)
Note :
Condition
Fan speed : High
Operation mode :FAN
CASSETTE TYPE
AUU18-24R
3(1)
0
0
13/16(0.25)
2(0.5)
7(2)
1
2
7
3
14
9 8 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7 8 9
26
20 14
13/16(0.25)
7 0
7(2)
7(2)
3(1)
2(0.5)
2(0.5)
3(1)
7 14 20 26
(ft.)(m)
3
3
10
2
2
7
7
1
1
3
3
0
0
0
0
13/16(0.25)
2(0.5)
7(2)
3(1)
7(2)
3(1)
13/16(0.25)
UNIT : ft./s(m/s)
2(0.5)
13/16(0.25)
7 6 5 4 3 2 1 0 1 2 3 4 5 6 7
20
(ft.)(m)
3
27
1
7(2)
3(1)
2(0.5)
13/16(0.25)
UNIT : ft./s(m/s)
3 2 1 0 1 2 3
7
3
0
7
7(2)
3(1)
2(0.5)
13/16(0.25)
0
SIDE VIEW
HORIZONTAL LOUVER
: Downward
(m)
3
7
(ft.)
7
TOP VIEW
HORIZONTAL LOUVER
: Upward
(m)
(ft.)
SIDE VIEW
HORIZONTAL LOUVER
: Upward
(m)
2014 14
(ft.)
2-WAY AIR OUTLET
(ft.)(m)
13/16(0.25)
1
3
0
0
1
3
2(0.5)
3(1)
7(2) 3(1)
7(2)
9 8 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7 8 9
14 14
2(0.5)
3(1)
7
7(2)
0
7
7(2)
(ft.)(m)
7
3
26
20 20
2
1
13/16(0.25)
9 8 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7 8 9
26
20 14 7
0 7
- (02 - 20) -
UNIT : ft./s(m/s)
2(0.5)
3(1)
14
13/16(0.25)
26
UNIT : ft./s(m/s)
20
TOP VIEW
HORIZONTAL LOUVER
: Upward
(m)
(ft.)
13/16(0.25)
26
SIDE VIEW
HORIZONTAL LOUVER
: Downward
(m)
(ft.)
Page 22
MODEL : AUU24R
13/16(0.25)
3(1)
3(1)
3(1)
3(1)
4-WAY AIR OUTLET
(ft.)(m)
14
3
CASSETTE TYPE
AUU18-24R
2
7
2(0.5)
13/16(0.25)
UNIT : ft./s(m/s)
Note :
Condition
Fan speed : High
Operation mode :FAN
CASSETTE TYPE
AUU18-24R
7(2)
7(2)
7(2)
3(1)
2(0.5)
7(2)
2(0.5)
13/16(0.25)
7 14 20 26
UNIT : ft./s(m/s)
7(2)
2(0.5)
1
0
0
2(0.5)
1
2
7
3
14
9 8 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7 8 9
20 14
2(0.5)
(ft.)(m)
10
7
7
3
3
0
0
26
3
3
2
2
1
1
13/16(0.25)
0
0
13/16(0.25)
7 0
7(2)
3(1)
7 6 5 4 3 2 1 0 1 2 3 4 5 6 7
20
(ft.)(m)
3
27
1
7(2)
3(1)
2(0.5)
13/16(0.25)
UNIT : ft./s(m/s)
3 2 1 0 1 2 3
7
3
0
7
7(2)
3(1)
2(0.5)
13/16(0.25)
0
SIDE VIEW
HORIZONTAL LOUVER
: Downward
(m)
3
7
(ft.)
7
13/16(0.25)
2014 14
TOP VIEW
HORIZONTAL LOUVER
: Upward
(m)
(ft.)
SIDE VIEW
HORIZONTAL LOUVER
: Upward
(m)
(ft.)
2-WAY AIR OUTLET
(ft.)(m)
13/16(0.25)
1
3
0
0
1
3
2(.0.5)
3(1)
7(2) 3(1)
7(2)
9 8 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7 8 9
14 14
2(0.5)
3(1)
7
7(2)
0
7
7(2)
(ft.)(m)
7
3
26
20 20
2
13/16(0.25)
1
9 8 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7 8 9
26
20 14 7
0 7
- (02 - 21) -
UNIT : ft./s(m/s)
2(0.5)
3(1)
14
13/16(0.25)
26
UNIT : ft./s(m/s)
2(0.5)
20
TOP VIEW
HORIZONTAL LOUVER
: Upward
(m)
(ft.)
13/16(0.25)
SIDE VIEW
HORIZONTAL LOUVER
: Upward
(m)
26
(ft.)
Page 23
2-11-2. AIR FLOW
Indoor unit
Outdoor unit
HIGH
450
MED
390
LOW
330
HIGH
780
FAN SPEED
NUMBER OF
ROTATIONS
(r.p.m)
AIR FLOW
490
430
360
850
Indoor unit
Outdoor unit
HIGH
MED
LOW
HIGH
FAN SPEED
NUMBER OF
ROTATIONS
(r.p.m)
AIR FLOW
MODELS : AUU18R / AOU18R
CASSETTE TYPE
AUU18-24R
m3/h
l/s 264
CFM 559
950
CASSETTE TYPE
AUU18-24R
MODELS : AUU24R / AOU24R
m3/h
l/s 225
CFM 477
m3/h
l/s 186
CFM 394
m3/h
l/s 917
CFM 1942
m3/h
810
670
3300
1050
l/s 292
CFM 618
m3/h
l/s 253
CFM 536
m3/h
l/s 206
CFM 435
m3/h
l/s 1000
CFM 2119
910
740
3600
- (02 - 22) -
Page 24
2-11-3. DUCT CONNECTION
MODELS : AUU18R, AUU24R
OUTLET AIR
in.WG (Pa)
Duct
[(Inside Dia. 3-15/16"(100mm)]
CASSETTE TYPE
AUU18-24R
L
0.4 98
0.2 49
0 0
0 1 2 3 4 5
0 35 70 105 140 175
*(1)
*(2)
*(3)
(mmAq) in.Ag
10
13/32
8
5/16
6
1/4
4
5/32
2
3/32
0
0
3
(m
/min)
3
ft.
/min
CASSETTE TYPE
AUU18-24R
Duct
[(Inside Dia. 3-15/16"(100mm)]
L
FRESH AIR
Duct
[(Inside Dia. 2-3/4"(70mm)]
in.WG (Pa)
0.4 98
0.2 49
DUCT STATIC PRESSURE DUCT STATIC PRESSUREDUCT STATIC PRESSURE
0 0
in.WG (Pa)
0.24 58.8
(mmAq) in.Ag
*(1)
*(2)
*(3)
0 1 2 3 4 5
0 35 70 105 140 175
*(1) L=16' 4-27/32" (5m)
*(2) L=9' 10-1/8" (3m)
*(3) L=3' 3-3/8" (1m)
(mmAq) in.Ag
7
6
1/4
5
10
13/32
8
5/16
6
4
5/32
2
3/32
0
(m3/min)
ft.
1/4
0
3
/min
P
Static pressure required
to take in fresh air
Duct Fan
0.16 39.2
0.08 19.6
0 0
0 0.1 0.2 0.3 0.4 0.5 0.6
0 4 7 11 14 18 21
- (02 - 23) -
4
5/32
3
2
3/32
1
0
(m3/min)
ft.
0
3
/min
Page 25
2-12. NOISE LEVEL CURVE
2-12-1. OUTDOOR UNIT
COOLING
MODEL : AOU18R
80
70
CASSETTE TYPE
AUU18-24R
60
50
40
30
20
Octave band sound pressure level, dB:(0dB=0.0002µbar)
10
0
63 1 25 250 500 1,000 2,000 4,000 8,000
Octave band center frequency,Hz
NC-65
NC-60
NC-55
NC-50
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15
MODEL : AOU24R
80
70
60
50
40
30
20
Octave band sound pressure level, dB:(0dB=0.0002µbar)
10
0
63 1 25 250 500 1,000 2,000 4,000 8,000
Octave band center frequency,Hz
NC-65
NC-60
NC-55
NC-50
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15
CASSETTE TYPE
AUU18-24R
HEATING
MODEL : AOU18R MODEL : AOU24R
80
70
NC-65
60
50
40
30
20
Octave band sound pressure level, dB:(0dB=0.0002µbar)
10
NC-60
NC-55
NC-50
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15
80
70
60
50
40
30
20
Octave band sound pressure level, dB:(0dB=0.0002µbar)
10
NC-65
NC-60
NC-55
NC-50
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15
0
63 1 25 250 500 1,000 2,000 4,000 8,000 63 1 25 250 500 1,000 2,000 4,000 8,000
Octave band center frequency,Hz Octave band center frequency,Hz
0
- (02 - 24) -
Page 26
SOUND LEVEL CHECK POINT
CASSETTE TYPE
AUU18-24R
3ft. 3-3/8in. (1m)
CASSETTE TYPE
AUU18-24R
- (02 - 25) -
Page 27
2-12-2. INDOOR UNIT
HIGH
LOW
HIGH
LOW
HIGH
LOW
HIGH
LOW
COOLING
MODEL : AUU18R
80
70
CASSETTE TYPE
AUU18-24R
60
50
40
30
20
Octave band sound pressure level, dB:(0dB=0.0002µbar)
10
0
63 1 25 250 500 1,000 2,000 4,000 8,000
Octave band center frequency,Hz
NC-65
NC-60
NC-55
NC-50
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15
MODEL : AUU24R
80
70
60
50
40
30
20
Octave band sound pressure level, dB:(0dB=0.0002µbar)
10
0
63 1 25 250 500 1,000 2,000 4,000 8,000
Octave band center frequency,Hz
NC-65
NC-60
NC-55
NC-50
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15
CASSETTE TYPE
AUU18-24R
HEATING
MODEL : AUU18R MODEL : AUU24R
80
70
NC-65
60
50
40
30
20
Octave band sound pressure level, dB:(0dB=0.0002µbar)
10
NC-60
NC-55
NC-50
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15
80
70
60
50
40
30
20
Octave band sound pressure level, dB:(0dB=0.0002µbar)
10
NC-65
NC-60
NC-55
NC-50
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15
0
63 1 25 250 500 1,000 2,000 4,000 8,000 63 1 25 250 500 1,000 2,000 4,000 8,000
0
Octave band center frequency,Hz Octave band center frequency,Hz
- (02 - 26) -
Page 28
SOUND LEVEL CHECK POINT
MIC
CASSETTE TYPE
AUU18-24R
CENTER
// //
4ft. 11-1/16in.(1.5m)
MIC
CASSETTE TYPE
AUU18-24R
// //
CENTER
- (02 - 27) -
Page 29
2-13. ELECTRIC CHARACTERISTICS
Main Fuse (Circuit breaker)
Current
Model Name
Outdoor Fan Motor
0.085
0.13
65
20
Rated Value
230
0.38
0.59
Indoor Fan Motor
0.1
0.14
0.45
0.63
12
12
60
Mode
*1) Wiring Spec.
20
65
8.4
9.5
AUU18R
AUU24R
AOU18R
AOU24R
Power Supply
MODELS : AUU18R / AOU18R, AUU24R / AOU24R
Indoor unit
Outdoor unit
Voltage V
CASSETTE TYPE
AUU18-24R
Frequency Hz
CASSETTE TYPE
AUU18-24R
Cooling Heating Cooling Heating
Current A 7.0 8.9 9.2 10.4
Input kW 1.61 2.05 2.10 2.37
Max Operating Current A 12.5 12.5 12.5 12.5
Starting Current A
A
Power Cable
AWG
*2)Limited wiring length ft.
Input kW
Full Load Amp. A
Input kW
Full Load Amp. A
*1) Wiring Spec. :
Selected Sample (Selected based on Japan Electrotechnical Standard and Codes Committee E0005)
*2) Limited Wiring length :
This is the wiring length in case voltage descent is less than 2%.
When the wiring length becomes long, please select the wiring of a more larger diameter.
- (02 - 28) -
Page 30
2-14. SAFETY DEVICE
212
+27
-18
°F 100
+15
-10
°C
OFF 257°F
ON 176°F
OFF 125°C
ON 80°C
OFF:609±15 PSI
ON:464±22 PSI
OFF:4.2±0.1MPa
ON:3.2±0.15MPa
AOU18R , AOU24R
5A 250V
FUSE ON MAIN PCB
CURRENT FUSE
3.15A 250V
AUU18R , AUU24R
3.15A 250V
OUTDOOR UNIT
CASSETTE TYPE
AUU18-24R
FAN MOTOR PROTECTION THERMAL PROTECTOR
COMPRESSOR PROTECTION THERMAL PROTECTOR
HIGH PRESSURE PROTECTION PRESSURE SWITCH
INDOOR UNIT
PCB FUSE CURRENT FUSE
PROTECTION FORM
PROTECTION FORM
CASSETTE TYPE
AUU18-24R
FAN MOTOR PROTECTION THERMAL PROTECTOR 302±9°F OFF 105±5°C OFF
- (02 - 29) -
Page 31
2-15. FUNCTION SETTING
Auto restart validity/invalidity
Room temperature correct coefficient
Room temperature correct coefficient
Forbidden
Indoor unit number setting
Forbidden
Forbidden
Forbidden
Ceiling height setting
INDOOR UNIT
DIP SW
3
1
JM3
Jumper Wire
2
3
JM1
JM2
Rotary SW
SW 2
SW 1
SW 4
1
2
2-15-1. INDOOR UNIT
CASSETTE TYPE
AUU18-24R
SWITCH POSITION
CASSETTE TYPE
AUU18-24R
Indoor unit control circuit board
- (02 - 30) -
Page 32
2-15-2. SWITCH FUNCTION (INDOOR UNIT)
SW 1-1
SW state
OFF
Invalidity
ON
Validity
SW 4-1
OFF
3
OFF
-
ON
Normal
High ceiling 1
High ceiling 2
Low ceiling
-ONON
-
OFF-ON
OFF
OFF
Ceiling height ft. (m)
DIP - SW4
1
2
0 degF
0 degF
0 degF
cooling
-3.6degF
SW 1-2
SW 1-3
0 degF
heating
dry
-3.6degF
-3.6degF
ONONON
OFF
OFF
+3.6degF
-3.6degF
OFF
SW state
-3.6degF
OFF
ON
0 degF
+7.2degF
DIP SWITCH SETTING
SW1-1. Auto restart setting
Auto restart function can be selected by turning this switch ON/OFF.
AUTO RESTART SETTING
CASSETTE TYPE
AUU18-24R
SW1-2, 1-3. Room temperature correct coefficient of heating.
Decide the heating temperature correct coefficient value of heating.
TEMPERATURE CORRECTION
( Factory setting)
( Factory setting)
CASSETTE TYPE
AUU18-24R
SW4-1. Dip SW 4-1setting forbidden
( Factory setting)
SW4-2, 4-3. Ceiling height setting
8ft. 2-7/16in. to 9ft. 10-1/8in. (2.5 to 3.0)
9ft. 10-1/8in. to 11ft. 5-25/32in. (3.0 to 3.5)
More than 11ft. 5-25/32in. (3.5)
Less than 8ft. 2-7/16in. (2.5)
If the setting for a low ceiling is selected, the capacity of the air
conditioner decreases slightly.
( Factory setting)
- (02 - 31) -
Page 33
ROTARY SWITCH SETTING (SW2)
0
Single
1 - 15
Indoor unit address
SW 2
SW state
SW state
JM 1, 2, 3
Connect
Disconnect
Forbidden
This switch can be used when group control system.
Set the indoor unit address in the 0,1,-,15 order.
( Factory setting)
CASSETTE TYPE
AUU18-24R
CASSETTE TYPE
AUU18-24R
JUMPER WIRE SETTING
JM 1, 2, 3 setting forbidden
( Factory setting)
- (02 - 32) -
Page 34
2-15-3. WIRED REMOTE CONTROLLER CIRCUIT BOARD
Wired remote controller
1
Dual remote controller setting
2
Group control setting
CASSETTE TYPE
AUU18-24R
DIP SW
SWITCH POSITION
Wired remote controller
Front case (back side)
3
4
Model setting
Auto changeover setting
5
6
Memory backup setting
CASSETTE TYPE
AUU18-24R
DIP Switch
OFF
ON
1
2
3
4
5
6
ON
- (02 - 33) -
Page 35
2-15-4. WIRED REMOTE CONTROLLER
DIP SWITCH SETTING
1. SW setting
1-1 Dual remote controller setting
Set the remote controller DIP switch No.1 and 2 according to the following table.
CASSETTE TYPE
AUU18-24R
Number of
remote
controller
1 (Normal)
2 (Dual)
Master unit Slave unit
DIP-SW
No.1
ON
OFF
1-2 Group control setting
Number of indoor unit connection (One/Multiple)
This is switched according to the number of connected indoor units.
( Factory setting)
DIP-SW
No.3
OFF
Number of indoor unit
One unit connection
( Factory setting)
DIP-SW
No.2
OFF
OFF
DIP-SW
No.1
ON ON
DIP-SW
No.2
CASSETTE TYPE
AUU18-24R
ON Multiple unit connection
1-3 Model setting
The system type of the outdoor unit can be selected by setting up DIP switch No.4 as follows.
( Factory setting)
DIP-SW
No.4
OFF
ON Cooling only model
Heat Pump model
Model
1-4 Auto changeover setting
Selecting auto changeover validity / invalidity.
( Factory setting)
DIP-SW
No.5
OFF
ON Validity
Auto changeover
Invalidity
1-5 Memory backup setting
Set to ON to use batteries for the memory backup.If batteries are not used,
all of the settings stored in memory will be deleted if there is a power failure.
This function is wired remotecontroll only.
( Factory setting)
DIP-SW
No.6
OFF
ON Validity
Memory backup
Invalidity
- (02 - 34) -
Page 36
2-16. OPTIONAL PARTS
ADDITIONAL GRILLE
UTG-AGEA-W
The additional grille hides the gap between the ceiling hole
and the outlet grille.
Additional grille (optional parts)
CASSETTE TYPE
AUU18-24R
Additonal grille
The ceiling hole
CASSETTE TYPE
AUU18-24R
Indoor Unit(grille)
- (02 - 35) -
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