Fujitsu AUU42R User manual

R410A
4 . CASSETTE TYPE :
 AUU42RCLX
D2D_AU021E/02
2006.04.21

CASSETTE TYPE AUU42R
CASSETTE TYPE AUU42R
- (04 - 01) -
MODELS :
AUU42RCLX / AOU42RLX
4-1. FEATURE
FEATURES
Easy maintenance
Slim intake grille
One remote controller can control up to 16 air conditioners.
All of the air conditioners will be operated with the same settings.
Connectable quantity : Maximum 16 indoor units for 1 remote controller.
Group controller
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.
Long-life filter
Slim type intake grille can fit the ceiling after installation.
Unit: in.(mm)
25/32
(20)

CASSETTE TYPE AUU42R
CASSETTE TYPE AUU42R
- (04 - 02) -
Fresh air can be introduced through this opening.
Duct connection hole opening
Conditioned air can be distributed by means of a distribution duct.
Distribution
duct
Distribution
duct
Fresh air
One-way
Two-way

CASSETTE TYPE AUU42R
CASSETTE TYPE AUU42R
- (04 - 03) -
4-2. REMOTE CONTROLLER
4-2-1. WIRED REMOTE CONTROLLER
FEATURES
High performance and compact size
Built-in timers
Easy-to-understand operation Simple installation
Wired
remote
controller
Weekly
timer
Setback
timer
Three functions are combined in
one unit.
Components are compatible with standard
switch boxes. Flat back construction allows
equipment to be installed wherever it is
needed.
[ Variable timer control ]
The operation/display sections are zoned accord-
ing to time and operation, enabling variable pro-
gramming to match application.
European
switch box
JIS box
SU MO TU WE TH FR SA
7
3 12 6 9 15 18 21
F
AM
Equipped with weekly timer as standard function.
(2 times Start / Stop per day for a week)
When a failure occurs,the error code is displayed. (Maximum of 16)
Various timer setup (ON / OFF / WEEKLY) are possible.
Easy installation with a slim shape with no boldge in the back.
When setting up a timer, operation mode and a temperature
setup can be changed.
Error indication.(A maximum of 16 error histories are memorizable.)
Built in room temperature sensor.
0 3 6 9 12 15 18 21
75°F (24°C)
75°F (24°C)
0 3 6 9 12 15 18 21
82°F (28°C)
82°F (28°C)
Screen
after setup
Setup screen example
[Set from Sunday to Saturday: PM12:00 to PM3:00, 82°F(28 °C)]
Setback timerWeekly timer
At "Weekly timer" + "Set back timer" setup
Possible to set ON/OFF time to operate twice each day
of the week.
Possible to set temperature for two time spans and
for each day of the week.
0 3 6 9 12 15 18 21
75°F 82°F 75°F
(24°C 28°C 24°C)
SU MO TU WE TH FR SA
7
3 12 6 9 15 18 21
Easy-to-understand time bar display
PM
SU MO TU WE TH FR SA
7
3 12 6 9 15 18 21
AM F
SU MO TU WE TH FR SA
3 12 6 9 15 18 21
PM
F
Setup screen example
[Set to Wednesday: AM8:00 to PM8:00,75 °F(24 °C)]
12 3 6 9 12 3 6 9
AM PM
12 3 6 9 12 3 6 9
AM PM
12 3 6 9 12 3 6 9
AM PM
Timer
area
Operation
area
time O'clock time O'clock
time O'clock

CASSETTE TYPE AUU42R
CASSETTE TYPE AUU42R
- (04 - 04) -
Display panel
FUNCTIONS
SPECIFICATION
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) 5-21/32 (160)
CABLE LENGTH ft.( m )
POWER ( V )
33 (10)
12
Display
14
13
12
11
10
9
21
3
5
4
7
8
6
DAY OFF
DELETE SET
ENERGY
SAVE
SET BACK
DAY
CLOCK ADJUST
SU MO TU WE TH FR SA
369 12 15 18 21
THERMO
SENSOR
AM
PM
F
16
15 1718 19
202122 23
SU MO TU WE TH FR SA
369 12 15 18 21
AM
PM
F
Set Temperature button
6
1START/STOP button
Pressed to start and stop operation.
17
Operation mode display
13
Operation lamp
Lights during operation and when the timer is on.
5Energy save button
Turns the energy efficient mode on and off.
7
Day (DAY OFF) button
14
Timer and clock display
11
Set button
Sets the date, hour, minute and on-off time.
12
8
Set back button
Vertical air flow direction and swing button
Push for two seconds to change the swing mode
Central control display
9
Timer mode (CLOCK ADJUST) button
Set time button
Pessed to select the set back timer.
Master control button
Selects the operating mode(AUTO, HEAT, FAN, COOL, DRY).
4
3
Fan control button
Selects the fan speed (AUTO, LOW, MED, HIGH).
18
Temperature display
16
20
Fan speed display
15
Vertical swing display
21
22
Energy save display
19
Stand by display
Indicates during defrosting operation.
Temporarily cancels of one day timer.
2
10
Delete button
Selects the setting temperature.
Selects the timer mode (OFF TIMER, ON TIMER, WEEKLY TIMER)
pressed select the set back timer.
The schedule of a weekly timer is deleted.
Set the current time.
23
Thermo sensor button
Selects whether the room temperature is detected at the
indoor unit (remote sensor) or the remote controller.
Thermo sensor display

CASSETTE TYPE AUU42R
CASSETTE TYPE AUU42R
- (04 - 05) -
4-3. SPECIFICATIONS
AUU42RCLX
AOU42RLX
kW 12.5 / 13.1
BTU/h 42,700 / 45,000
kW 13.3 / 16.0
BTU/h 45,200 / 54,600
COOLING RATED/MAX 4.66 / 4.99
HEATING RATED/MAX 4.31 / 4.99
COOLING RATED/MAX 20.3 / 21.7
HEATING RATED/MAX 18.8 / 21.7
A 15
COOLING 15.0
HEATING 8.5
pints/h(l/h) 11.6 (5.5)
High 1000 (1700) / 1000 (1700)
Med 853 (1450) / 853 (1450)
Low 736 (1250) / 736 (1250)
Quiet
High 3884 (6600) / 3884 (6600)
Low -
High 650 / 650
Med 610 / 610
Low 530 / 530
Quiet
High UPPER FAN:850 LOWER FAN:750
Low
INDOOR
OUTDOOR
INDOOR
OUTDOOR
High 50.0 / 50.0
Med 48.0 / 48.0
Low 44.0 / 44.0
55.0 / 56.0
W
Fin Pitch FPI
Coil Dimensions in.(mm)
Fin Pitch FPI
Coil Dimensions in.(mm)
INDOOR
11 - 21/32 × 32 - 11/16 × 32 - 11/16 (296 × 830 × 830)
OUTDOOR
50 - 25/32 × 35 - 7/16 × 13 (1290 × 900 × 330)
INDOOR
17 - 29/32 × 41 - 23/32 × 40 - 11/32 (455 × 1060 × 1025)
OUTDOOR
56 - 5/16 × 41 - 11/32 × 17 - 17/32 (1430 × 1050 × 445)
INDOOR 88(40)
OUTDOOR 231(105)
INDOOR 121(55)
OUTDOOR 247(112)
LIQUID
3/8 (9.52)
GAS
5/8 (15.88)
ft. (m) 230(70) [chargeless:66 (20)]
ft. (m)
CHARGE lb. oz. (g)
COOLING
HEATING
Inner diameter 32.0 (1 - 1/4)
Specifications are based on the following conditions.
Power source of specifications : 230V
Cooling : Indoor temperature of 80.6°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.
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]
Rows x Stages
INDOOR
OUTDOOR
SEER
HSPF
OUTPUT
Rows x Stages
WIRED
ABS
Outer diameter 37.0 (1 - 15/32)
7lb. 7-15/16oz. (3400)
POE
0 to 115 (-18 to 46)
0 to 75 (-18 to 24)
R410A
Aluminium
2 × 60 (22 + 38)
20
49 - 19/32 × 35 - 7/16 × 1 - 7/16 (1260 × 900 × 36.38)
White (5Y9/0.5NN)
Beige (10YR7.5/1.0NN)
FLARE
98(30)
3 × 12
18
9 -29/32 × 38 - 3/16 × 1 - 9/16 (252 × 970 × 39.9) [× 2 pieces]
Copper tube
2500
Inverter
Copper tube
Aluminium
CASSETTE MODELS
INVERTER HEAT PUMP TYPE
208/230V 60Hz
187-253V 60Hz
GROSS
GROSS
-
-
-
TURBO × 1
PROPELLER × 2
100
100 × 2
DC SCROLL (INVERTER)
OPERATION(OUTDOOR)
°F(°C)
REMOTE CONTROLLER TYPE
MATERIAL
DRAIN PIPE
SIZE
mm
(Reference in.)
REFRIGERANT
TYPE
REFRIGERANT OIL
TYPE
CASING COLOR
DIMENSIONS
H × W × D
in.(mm)
PIPE
CONNECTION METHOD
SIZE
in.(mm)
MAX LENGTH
MAX HEIGHT
NET
COMPRESSOR
TYPE
STARTING METHOD
HEAT
EXCHANGER
TYPE
INDOOR
Coil
Fin
OUTDOOR
Coil
Fin
FAN TYPE x Q'ty
FAN MOTOR OUTPUT
W
NOISE LEVEL
(SOUND
PRESSURE)
COOL/HEAT
INDOOR
dB(A)
OUTDOOR
FAN SPEED
COOL/HEAT
INDOOR
r.p.m
OUTDOOR
CFM(m3/h)
OUTDOOR
INPUT POWER
kW
CURRENT
A
STARTING CURRENT
MOISTURE REMOVAL
AIR
CIRCULATION
COOL/HEAT
INDOOR
TYPE
MODEL NAME
INDOOR
OUTDOOR
WEIGHT
NET
lb. (kg)
POWER SOURCE
AVAILABLE VOLTAGE RANGE
CAPACITY
COOLING
RATED/MAX
HEATING
RATED/MAX
Note :

CASSETTE TYPE AUU42R
CASSETTE TYPE AUU42R
- (04 - 06) -
4-4. DIMENSIONS
4-4-1. OUTDOOR UNIT
MODEL : AOU42R
MOUNTING POSITION
Unit : in.(mm)
35-7/16 (900)
50-25/32 (1290)
3-1/32
(77)
1-7/32
(31)
15/32
(12)
13/16
(21)
11/32
(9)
14-7/8 (370)
15-3/4 (400)
25-19/32 (650)
5-15/16 (151)
6-11/16 (170)
3-29/32 (99)
7-23/32
(196)
4-Ø15/32 (12) hole
13 (330)
Air flow
Drain cap
mounting places
Drain cap
mounting place
Top view
Side view
Bottom view
Front view
When there are
obstacles at the
back or front side.
When there are obstacles
at the back and front sides.
When there are obstacles at
the back, side(s), and top.
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
9-27/32 (250)
or more
11-13/16
(300) or more
11-13/16 (300)
or more
23-5/8 to 39-3/8 (600 to 1000)
3-15/16 (100)
or more
3-15/16 to 11-13/16
(100 to 300)
3-15/16 (100)
or more
9-27/32(250) or more
(Service space)
*If the space is larger than that is stated, the
condition will be the same as that there are no
obstacles.

CASSETTE TYPE AUU42R
CASSETTE TYPE AUU42R
- (04 - 07) -
MODEL : AUU42R
4-4-2. INDOOR UNIT
29-17/32 (750)
32-11/16 (830)
29-17/32 (750)
32-11/16 (830)
Bottom view
Unit : in.(mm)
Side view (Slender setting)
Side view
11-21/32
(296)
37 (940)
1-3/16 (30)
2-3/8 (60)
11-7/32
(285)
4-23/32 (120)
5-29/32 (150)
(Small pipe)
(Drain pipe)
(Large pipe)
9-27/32
(250)
37 (940)
12-1/32
(305.5)
11-3/4 (298.5)
9-25/32
(248.5)
Drain Inside Dia. 32mm
Dia. 37mmOutside
Bottom view (Panel)
Side view (Standard setting)

CASSETTE TYPE AUU42R
CASSETTE TYPE AUU42R
- (04 - 08) -
MOUNTING POSITION
3-15/16 (100)
or more
3-15/16 (100)
or more
3-15/16 (100)
or more
3-15/16 (100) or more
(4 directions) (3 directions)
Piping position
(2 directions) (2 directions)
You can select 2-way setting
(A) Standard setting (B) Slender setting
39-3/8 (1,000)
or more
Strong and durable ceiling
47-1/4 (1,200)
or more
96 (2,400)
or more
Obstruction
11-13/16 (300)
or more
10-7/16 (265)
or more
Floor
Unit : in.(mm)

CASSETTE TYPE AUU42R
CASSETTE TYPE AUU42R
- (04 - 09) -
4-5. REFRIGERANT CIRCUIT
MODELS : AUU42R / AOU42R

CASSETTE TYPE AUU42R
CASSETTE TYPE AUU42R
- (04 - 10) -
4-6. WIRING DIAGRAMS
4-6-1. OUTDOOR UNIT
MODEL : AOU42R
TO INDOOR UNIT
G G
TEMP.
TEMP.
TEMP.
TEMP.
TEMP.
TO POWER SUPPLY

CASSETTE TYPE AUU42R
CASSETTE TYPE AUU42R
- (04 - 11) -
4-6-2. INDOOR UNIT
MODEL : AUU42R
G
(N)

CASSETTE TYPE AUU42R
CASSETTE TYPE AUU42R
- (04 - 12) -
4-7. CAPACITY TABLE
COOLING
MODELS : AUU42R / AOU42R
AFR 1000
(°FDB) TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI
038.85 26.16 2.21 43.82 26.32 2.24 46.29 28.84 2.26 49.59 30.17 2.29 52.91 31.16 2.31 54.56 34.54 2.33
14 38.32 25.77 2.34 43.22 25.93 2.38 45.66 28.41 2.40 48.92 29.72 2.43 52.19 30.70 2.45 53.82 34.02 2.47
32 36.52 24.64 2.67 41.19 24.79 2.71 43.51 27.16 2.73 46.62 28.41 2.77 49.74 29.35 2.80 51.29 32.52 2.81
41 34.15 23.43 2.86 38.51 23.57 2.91 40.68 25.83 2.94 43.59 27.02 2.97 46.50 27.91 3.00 47.95 30.93 3.02
50 33.43 22.83 3.25 37.71 22.97 3.31 39.84 25.16 3.34 42.68 26.33 3.37 45.53 27.19 3.41 46.95 30.14 3.43
59 40.95 26.97 4.26 46.19 27.13 4.34 48.80 29.73 4.37 52.28 31.10 4.42 55.78 32.12 4.47 57.52 35.60 4.50
67 42.53 28.19 3.89 47.97 28.36 3.96 50.67 31.07 3.99 54.29 32.51 4.04 57.92 33.58 4.08 59.73 37.21 4.10
77 39.64 26.27 4.25 44.71 26.43 4.33 47.23 28.96 4.36 50.60 30.29 4.41 53.98 31.29 4.46 55.67 34.68 4.49
87 36.92 24.84 4.62 41.65 25.00 4.70 43.99 27.39 4.74 47.13 28.65 4.80 50.29 29.59 4.85 51.86 32.80 4.88
95 35.25 23.75 4.81 39.76 23.90 4.89 42.00 26.18 4.93 45.00 27.39 4.99 48.01 28.29 5.05 49.51 31.36 5.07
104 31.20 21.97 4.81 35.19 22.11 4.89 37.17 24.22 4.93 39.83 25.34 4.99 42.49 26.17 5.05 43.82 29.01 5.07
115 19.61 16.63 2.91 22.12 16.73 2.96 23.36 18.33 2.99 25.03 19.18 3.02 26.70 19.81 3.06 27.54 21.96 3.07
67°FWB
SHC: Sensible Heat capacity (kBTU) PI : Power Input (kW)
Outdoor temperature
54°FWB
60°FWB
63°FWB
64°FDB
70°FDB
75°FDB
AFR: Air flow rate(CFM) TC : Total capacity (kBTU)
71°FWB
73°FWB
90°FDB
80°FDB
85°FDB
Indoor temperature
AFR 28.3
(°CDB) TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI
-17.78 11.38 7.66 2.21 12.83 7.71 2.24 13.56 8.45 2.26 14.53 8.84 2.29 15.50 9.13 2.31 15.98 10.12 2.33
-10.00 11.22 7.55 2.34 12.66 7.59 2.38 13.37 8.32 2.40 14.33 8.71 2.43 15.29 8.99 2.45 15.76 9.96 2.47
0.00 10.70 7.22 2.67 12.06 7.26 2.71 12.74 7.95 2.73 13.65 8.32 2.77 14.57 8.60 2.80 15.02 9.53 2.81
5.00 10.00 6.86 2.86 11.28 6.90 2.91 11.92 7.57 2.94 12.77 7.92 2.97 13.62 8.17 3.00 14.05 9.06 3.02
10.00 9.79 6.69 3.25 11.05 6.73 3.31 11.67 7.37 3.34 12.50 7.71 3.37 13.34 7.96 3.41 13.75 8.83 3.43
15.00 12.00 7.90 4.26 13.53 7.95 4.34 14.29 8.71 4.37 15.31 9.11 4.42 16.34 9.41 4.47 16.85 10.43 4.50
19.44 12.46 8.26 3.89 14.05 8.31 3.96 14.84 9.10 3.99 15.90 9.52 4.04 16.96 9.83 4.08 17.49 10.90 4.10
25.00 11.61 7.69 4.25 13.09 7.74 4.33 13.83 8.48 4.36 14.82 8.87 4.41 15.81 9.16 4.46 16.30 10.16 4.49
30.56 10.81 7.28 4.62 12.20 7.32 4.70 12.89 8.02 4.74 13.81 8.39 4.80 14.73 8.67 4.85 15.19 9.61 4.88
35.00 10.33 6.96 4.81 11.65 7.00 4.89 12.30 7.67 4.93 13.10 8.02 4.99 14.06 8.29 5.05 14.50 9.18 5.07
40.00 9.14 6.44 4.81 10.31 6.47 4.89 10.89 7.09 4.93 11.67 7.42 4.99 12.45 7.67 5.05 12.83 8.50 5.07
46.11 5.74 4.87 2.91 6.48 4.90 2.96 6.84 5.37 2.99 7.33 5.62 3.02 7.82 5.80 3.06 8.07 6.43 3.07
29.44°CDB
23.89°CDB
21.11°CDB
26.67°CDB
AFR: Air flow rate(m3/min) TC : Total capacity (kW) SHC: Sensible Heat capacity (kW) PI : Power Input (kW)
21.67°CWB
Outdoor temperature
15.56°CWB
17.72°CWB
19.44°CWB
Indoor temperature
17.78°CDB
12.22°CWB
32.22°CDB
22.78°CWB

CASSETTE TYPE AUU42R
CASSETTE TYPE AUU42R
- (04 - 13) -
HEATING
AFR 1000
(°FDB) (°FWB) TC PI TC PI TC PI TC PI TC PI
0 -1 36.33 4.71 35.15 4.85 33.97 4.99 32.79 5.13 32.08 5.21
14 12 42.97 4.71 41.58 4.85 40.19 4.99 38.79 5.13 37.95 5.21
23 19 48.12 4.71 46.56 4.85 45.00 4.99 43.44 5.13 42.50 5.21
32 28 52.72 4.71 51.01 4.85 49.30 4.99 47.59 5.13 46.56 5.21
41 37 54.98 4.71 53.20 4.85 51.42 4.99 49.63 5.13 48.56 5.21
47 43 58.39 4.71 56.50 4.85 54.60 4.99 52.70 5.13 51.56 5.21
50 47 60.13 4.71 58.19 4.85 56.23 4.99 54.28 5.13 53.10 5.21
59 50 63.64 4.71 61.58 4.85 59.51 4.99 57.44 5.13 56.20 5.21
68 59 62.76 4.71 60.73 4.85 58.69 4.99 56.65 5.13 55.43 5.21
75 65 65.24 4.71 63.13 4.85 61.01 4.99 58.89 5.13 57.62 5.21
Indoor temperature
PI : Power Input (kW)
75°FDB
65°FDB
70°FDB
Outdoor temperature
AFR: Air flow rate(CFM) TC : Total capacity (kBTU)
60°FDB
78°FDB
AFR 28.3
(°CDB) (°CWB) TC PI TC PI TC PI TC PI TC PI
-17.78 -18.33 10.64 4.71 10.30 4.85 9.95 4.99 9.60 5.13 9.40 5.21
-10.00 -11.11 12.59 4.71 12.18 4.85 11.77 4.99 11.36 5.13 11.12 5.21
-5.00 -7.22 14.09 4.71 13.64 4.85 13.18 4.99 12.72 5.13 12.45 5.21
0.00 -2.22 15.44 4.71 14.94 4.85 14.44 4.99 13.94 5.13 13.64 5.21
5.00 2.78 16.10 4.71 15.58 4.85 15.06 4.99 14.54 5.13 14.22 5.21
8.33 6.11 17.10 4.71 16.55 4.85 16.00 4.99 15.44 5.13 15.10 5.21
10.00 8.33 17.61 4.71 17.04 4.85 16.47 4.99 15.90 5.13 15.55 5.21
15.00 10.00 18.64 4.71 18.04 4.85 17.43 4.99 16.82 5.13 16.46 5.21
20.00 15.00 18.38 4.71 17.79 4.85 17.19 4.99 16.59 5.13 16.23 5.21
23.89 18.33 19.11 4.71 18.49 4.85 17.87 4.99 17.25 5.13 16.88 5.21
Indoor temperature
PI : Power Input (kW)
25.56°CDB
AFR: Air flow rate(m3/min) TC : Total capacity (kW)
15.56°CDB
18.33°CDB
21.11°CDB
23.89°CDB
Outdoor temperature

CASSETTE TYPE AUU42R
CASSETTE TYPE AUU42R
- (04 - 14) -
4-8. CAPACITY COMPENSATION FOR PIPE LENGTH
 AND HEIGHT DIFFERENCE
MODELS : AUU42R / AOU42R
5 m 7.5 m 10 m 20 m 30 m 40 m 50 m 60 m 70 m
16 ft. 25 ft. 33 ft. 66 ft. 98 ft. 131 ft. 164 ft. 197 ft. 230 ft.
30m 98 ft. - - - - 0.907 0.880 0.858 0.837 0.817
20m 66 ft. - - - 0.940 0.907 0.880 0.858 0.837 0.817
10m 33 ft. - - 0.985 0.940 0.907 0.880 0.858 0.837 0.817
7.5m 25 ft. - 1.000 0.985 0.940 0.907 0.880 0.858 0.837 0.817
5m 16 ft. 1.000 1.000 0.985 0.940 0.907 0.880 0.858 0.837 0.817
0m 0 ft. 1.000 1.000 0.985 0.940 0.907 0.880 0.858 0.837 0.817
-5m -16 ft. 0.992 0.992 0.977 0.932 0.900 0.873 0.851 0.830 0.811
-7.5m -25 ft. - 0.988 0.973 0.929 0.896 0.869 0.847 0.827 0.808
-10m -33 ft. - - 0.969 0.925 0.892 0.866 0.844 0.823 0.804
-20m -66 ft. - - - 0.910 0.878 0.852 0.830 0.810 0.791
-30m -98 ft. - - - - 0.863 0.838 0.817 0.797 0.778
COOLING
Outdoor unit
is up-side
PIPE LENGTH
HEIGHT DIFFERENCE
Outdoor unit
is bottom-side
5 m 7.5 m 10 m 20 m 30 m 40 m 50 m 60 m 70 m
16 ft. 25 ft. 33 ft. 66 ft. 98 ft. 131 ft. 164 ft. 197 ft. 230 ft.
30m 98 ft. - - - - 0.923 0.912 0.899 0.886 0.874
20m 66 ft. - - - 0.949 0.933 0.921 0.908 0.896 0.883
10m 33 ft. - - 0.980 0.958 0.942 0.931 0.917 0.905 0.892
7.5m 25 ft. 0.993 0.983 0.961 0.945 0.933 0.920 0.907 0.894
5m 16 ft. 0.995 0.995 0.985 0.963 0.947 0.936 0.922 0.909 0.896
0m 0 ft. 1.000 1.000 0.990 0.968 0.952 0.940 0.927 0.914 0.901
-5m -16 ft. 1.000 1.000 0.990 0.968 0.952 0.940 0.927 0.914 0.901
-7.5m -25 ft. - 1.000 0.990 0.968 0.952 0.940 0.927 0.914 0.901
-10m -33 ft. - - 0.990 0.968 0.952 0.940 0.927 0.914 0.901
-20m -66 ft. - - - 0.968 0.952 0.940 0.927 0.914 0.901
-30m -98 ft. - - - - 0.952 0.940 0.927 0.914 0.901
PIPE LENGTH
Outdoor unit is
bottom-side
Outdoor unit is
up-side
HEIGHT DIFFERENCE
HEATING

CASSETTE TYPE AUU42R
CASSETTE TYPE AUU42R
- (04 - 15) -
4-9. ADDITIONAL CHARGE CALCULATION
MODELS : AUU42R / AOU42R
REFRIGERANT CHARGE
ft.
66 98 131 164 197 230 (MAX)
m
20 30 40 50 60 70 (MAX)
lb. oz. 0 (Charge less) 14-1/8 oz. 1 lb.12-7/32 oz. 2 lb.10-11/32 oz. 3 lb.8-7/16 oz. 4 lb.6-9/16 oz.
g 0 (Charge less) 400 800 1200 1600 2000
ADDITIONAL CHARGE
PIPE LENGTH
1-13/32oz./ft.
40g/m
REFRIGERANT TYPE
REFRIGERANT AMOUNT lb. oz. (g)
R410A
7 lb. 7-15/16 oz. (3400)

CASSETTE TYPE AUU42R
CASSETTE TYPE AUU42R
- (04 - 16) -
4-10. OPERATION RANGE
Indoor unit Outdoor unit Indoor temperature Indoor humidity Outdoor temperature
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)
-
0 to 75 °F
(-18 to 24°C)
AUU42R
AOU42R
Model
Mode
Operation Range

CASSETTE TYPE AUU42R
CASSETTE TYPE AUU42R
- (04 - 17) -
4-11. FAN PERFORMANCE AND AIR FLOW
4-11-1. AIR VELOCITY DISTRIBUTION
MODEL : AUU42R
4-WAY AIR OUTLET
TOP VIEW
HORIZONTAL LOUVER
 : Upward
SIDE VIEW
HORIZONTAL LOUVER
 : Upward
SIDE VIEW
HORIZONTAL LOUVER
 : Downward
SIDE VIEW
HORIZONTAL LOUVER
 : Upward
TOP VIEW
HORIZONTAL LOUVER
 : Upward
Note :
Condition
Fan speed : High
Operation mode :FAN
(ft.)(m) UNIT : ft./s(m/s)
UNIT : ft./s(m/s)
UNIT : ft./s(m/s)
UNIT : ft./s(m/s)
UNIT : ft./s(m/s)
10 3
(ft.)(m)
7 2
3 1
0 0
(ft.)(m)
7 2
3 1
0 0
(ft.)(m)
7 2
3 1
0 0
(ft.)(m)
3 1
0 0
3 1
7 2
3 1
0 0
3 1
7 2
10 3
7
(2)
7
(2)
7
(2)
7
(2)
3
(1)
3
(1)
3
(1)
3
(1)
2
(0.5)
2
(0.5)
7(2)
7(2)
7(2)
7(2)
7(2)
7(2) 7(2)
7(2)
3(1)3(1)
3(1)
3(1)
3(1) 3(1)
3(1)
3(1)
2(0.5)2(0.5)
2(0.5)
2(0.5)
2(0.5) 2(0.5)
2(0.5)
2(0.5)
13/16(0.25)
2(0.5)
(m)
(ft.)
(m)
(ft.)
 2 1 0 1 2
 7 3 0 3 7
(m)
(ft.)
(m)
(ft.)
(m)
(ft.)
2-WAY AIR OUTLET
2(0.5)
13/16(0.25)
13/16(0.25)
13/16(0.25)
13/16(0.25) 13/16(0.25)
8 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7 8
  20  14  7  0  7  14  20 26
13/16(0.25) 13/16(0.25)
8 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7 8
  20  14  7  0  7  14  20 26
8 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7 8
  20  14  7  0  7  14  20 26
8 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7 8
  20  14  7  0  7  14  20 26
26
26
26
26
13/16(0.25)
13/16(0.25) 13/16(0.25)
13/16(0.25)

- (04 - 18) -
4-11-2. AIR FLOW
MODELS : AUU42R / AOU42R
CASSETTE TYPE AUU42R
CASSETTE TYPE AUU42R
m3/h 1700
l/s 472
CFM 1000
m3/h 1450
l/s 403
CFM 853
m3/h 1250
l/s 347
CFM 736
LOW
650
610
530
FAN SPEED
NUMBER OF
ROTATIONS
(r.p.m)
AIR FLOW
Outdoor unit
HIGH
CFM
Lower fan
Indoor unit
HIGH
MED
3884
Upper fan
850
m3/h
6600
l/s
1833
750

CASSETTE TYPE AUU42R
CASSETTE TYPE AUU42R
- (04 - 19) -
L
Duct
[(Inside Dia. 3-15/16" (100mm)]
0.4 98
0.2 49
0 0
0 0
(mmAq) in.Ag
(m
3
/min)
ft.
3
/min
 0 1 2 3 4 5
 0 35 70 105 140 175
in.WG (Pa)
0
2
4
6
8
10
0
3/32
5/32
1/4
5/16
13/32
0.4 98
0.2 49
(mmAq) in.Ag
(m
3
/min)
ft.
3
/min
 0 1 2 3 4 5
 0 35 70 105 140 175
in.WG (Pa)
0
2
4
6
8
10
0
3/32
5/32
1/4
5/16
13/32
0.24 58.8
0.16 39.2
0.08 19.6
 0 0
(mmAq) in.Ag
(m
3
/min)
ft.
3
/min
 0 0.1 0.2 0.3 0.4 0.5 0.6
 0 4 7 11 14 18 21
in.WG (Pa)
0
1
2
4
5
0
3/32
5/32
3
6 1/4
7
L
Duct
[(Inside Dia. 3-15/16" (100mm)]
Duct
[(Inside Dia. 2-3/4" (70mm)]
Static pressure required
to take in fresh air
Duct Fan
P
DUCT STATIC PRESSURE DUCT STATIC PRESSUREDUCT STATIC PRESSURE
OUTLET AIR
FRESH AIR
4-11-3. DUCT CONNECTION
MODEL : AUU42R
*(1)
*(2)
*(3)
*(1) L=16' 4-27/32" (5m)
*(2) L=9' 10-1/8" (3m)
*(3) L=3' 3-3/8" (1m)
*(1) *(2)
*(3)