Page 1
R410A
3 . FLOOR / CEILING TYPE :
AB 18-24FBBJ, AB 18-24UBBJ
D2D_AB002E/02
2006.03.15
Page 2
3-1. FEATURE
MODELS :
AB 18FBBJ / AO 18FNBK
AO 18FNBN
AB 18UBBJ / AO 18UNBKL
AO 18UNBNL
AB 24FBBJ / AO 24FNBK
AO 24FNBN
AB 24UBBJ / AO 24UNBKL
AO 24UNBNL
FEATURES
FLOOR / CEILING TYPE
AB18-24
Compact design
Symmetrical thin and compact design
Flat and round form
Flexible installation
FLOOR / CEILING TYPE
AB18-24
FLOOR
Double auto swing
Combination of up/down and right/left air
direction swing allows three-dimensional air
direction control.
Since up/down air direction flaps operate
automatically, according to the operating
mode of the unit, it is possible to set the air
direction based on the operating mode.
Super vane
The double-flap "Super Vane" with newly
developed special configuration boosts
the air flow, sending cool air quickly to
every corner of the room.
Others
Auto Restart
CEILING
RIGHT and LEFT
swing
Swing
5 steps selectable
New model Old model
Non-operation mode Operation mode
Steps
UP and DOWN
swing
7 steps selectable
Detachable and Washable Open Panel
Auto Shut Flaps
- (03 - 01) -
Page 3
3-2. REMOTE CONTROLLER
3-2-1.
FEATURES
FLOOR / CEILING TYPE
AB18-24
WIRELESS REMOTE CONTROLLER
Four kinds of timer setup (ON / OFF / PROGRAM / SLEEP) are possible.
Four kinds of timers. Easy operation.
Easy to change transmission code (4 patterns) by button operation.
Built-in timers
Select from four different timer programs (On/Off/Program/Sleep).
Program timer
The program timer operates the ON and OFF timer once within a 24 hour period.
FLOOR / CEILING TYPE
AB18-24
Sleep timer
The sleep timer function automatically corrects the temperature thermostat setting according to
the time setting to prevent excessive cooling and heating while sleeping.
Cooling operation/dry operation
When the sleep timer is set, the set temperature
automatically rises 1 °C every hour. The set
temperature can rise up to a maximum of 2 °C.
Timer setting
60min.
1 °C
2 °C
Heating operation
When the sleep timer is set, the set temperature
automatically drops 1 °C every 30 minutes. The
set temperature can drop to a maximum of 4 °C.
1 °C
2 °C
3 °C
4 °C
30min.
60min.
90min.
Timer setting
Easy operation
After code change
Mixed-up
• Code selector switch eliminates unit
being wrongly switched.
(Up to 4 codes can be set.)
A B C D
A B
C
D
•Wide and precise
transmitting range.
1. Press the MASTER CONTROL
button for more than five seconds
to start the code change.
2. Press the (+) or (-) button to
select the desired code.
A B C D
3. Press the MASTER CONTROL
button again to end the code
change.
- (03 - 02) -
Page 4
FUNCTIONS
5
1
START/STOP button
Pressed to start and stop operation
6 4
Display
2
Set temp./Set time buttons/Set remote controller
custom code buttons
Sets the indoor temp./Sets the current time and on-off time
/Set R.C. custom code
3
Master control button/
3
2
9
10
13
FLOOR / CEILING TYPE
AB18-24
1
7
11
12
14
8
Selects the operating mode (AUTO, HEAT, FAN, COOL, DRY).
Start/end R.C. custom code change. (Max. 4 types)
4
Sleep timer button
Pressed to select sleep timer.
5
Signal transmitter
6
Timer button
Code change
FLOOR / CEILING TYPE
AB18-24
Pressed to select the timer mode. (OFF TIMER, ON TIMER,
PROGRAM TIMER, TIMER RESET)
7
Fan control button
Selects the fan speed (AUTO, LOW, MED, HIGH).
8
Battery compartment lid
9
Air flow direction vertical set button
TEST
RUN
15
10
Air flow direction vertical swing button
Display panel
16
17
18
19
20
21
22
23
11
Air flow direction horizontal swing button
12
Air flow direction horizontal set button
13
Time adjust button
Sets the current time.
14
ACL button
Used when replacing batteries or change the code.
15
Test run button
Used when testing the air conditioner after installation.
16
Transmit indicator
17
Clock display
18
Master control display
19
Timer mode display
20
Fan speed display
21
Set temperature display
22
Timer set indicator
23
Temperature set indicator
SPECIFICATION
SIZE (H x W x D mm) 160 x 56 x 20
WEIGHT ( g ) 120
ACCESSORY Holder
- (03 - 03) -
Page 5
3-3. SPECIFICATIONS
AIR
CIRCULATION
COOL/HEAT
FAN SPEED
COOL/HEAT
INDOOR
NOISE LEVEL
(SOUND
PRESSURE)
COOL/HEAT
DIMENSIONS
H × W × D
NETmmGROSS
Permanent Starting Condenser
Outer diameter 26.0 / Inner diameter 21.5
COOLING RATED 1.92 1.90
HEATING RATED - 1.85
COOLING RATED 8.5 8.6
HEATING RATED - 8.3
COOLING 2.81 2.84
HEATING - 3.24
FLOOR / CEILING TYPE
AB18-24
High 780/- 780/780
Med 650/- 650/650
Low 550/- 550/550
Quiet - -
High 3200/- 3200/3200
Low - 1640/1640
High 1030/- 1030/1030
Med 890/- 890/890
Low 770/- 770/770
Quiet - -
High 780/- 780/780
Low - 400/400
INDOOR Sirocco × 2 Sirocco × 2
OUTDOOR Propeller × 1 Propeller × 1
INDOOR 30 30
OUTDOOR 65 65
High 47(Floor console) , 46(Under ceiling) 47/47(Floor console) , 46/46(Under ceiling)
Med 42.5(Floor console) , 41.5(Under ceiling) 42.5/42.5(Floor console) , 41.5/41.5(Under ceiling)
Low 38(Floor console) , 37(Under ceiling) 38/38.5(Floor console) , 37/37.5(Under ceiling)
COOLING TYPE HEAT PUMP TYPE
COOLING C C
kW 5.40 5.40
BTU/h 18400 18400
kW - 6.00
BTU/h - 20500
A 39 39
l/h (pints/h) 2.0(4.2) 2.0(4.2)
52/- 52/53
FLOOR / CEILING TYPE
AB18-24
W
2 × 12 3 × 12
Coil Dimensions
Coil Dimensions
INDOOR
OUTDOOR
INDOOR
OUTDOOR
INDOOR 28/37 (62/82) 28/37 (62/82)
OUTDOOR 47/51 (104/112) 52/56 (115/123)
LIQUID
GAS
m
m
CHARGE g 900 1550
COOLING 21 to 43 0 to 43
HEATING - -6 to 24
252 × 800 × 26.6 252 × 800 × 39.9
1 × 30 2 × 30
630 × 905 × 18.19 630 × 901 × 36.38
Wireless Wireless
Note: Specifications are based on the following conditions.
Cooling: Indoor temperature of 27 °CDB / 19 °CWB,and outdoor temperature of 35 °CDB/24 °CWB.
Heating: Indoor temperature of 20 °CDB / 15 °CWB,and outdoor temperature of 7 °CDB/6 °CWB.
Pipe length : 7.5 m, Height difference : 0 m.(Outdoor unit - Indoor unit)
mm
- (03 - 04) -
Page 6
COOLINGTYPE H EAT PUMP TYPE
Outer diameter 26.0 / Inner diameter 21.5
NOISE LEVEL
(SOUND
PRESSURE)
COOL/HEAT
FAN SPEED
COOL/HEAT
INDOOR
AIR
CIRCULATION
COOL/HEAT
Permanent Starting Condenser
COOLING D D
kW 6.50 6.50
BTU/h 22200 22200
kW
COOLING RATED 2.45 2.42
HEATING RATED - 2.3
COOLING RATED 11.0 10.8
HEATING RATED - 10.3
COOLING 2.65 2.69
HEATING - 3.22
FLOOR / CEILING TYPE
AB18-24
High 880/- 880/880
Med 740/- 740/740
Low 630/- 630/630
Quiet - -
High 3200/- 3200/3200
Low - 1640/1640
High 1180/- 1180/1180
Med 1040/- 1040/1040
Low 900/- 900/900
Quiet - -
High 780/- 780/780
Low - 400/400
INDOOR
OUTDOOR
INDOOR
OUTDOOR
High 50(Floor console) , 49(Under ceiling) 50/49(Floor console) , 49/47(Under ceiling)
Med 46(Floor console) , 45(Under ceiling) 46/45(Floor console) , 45/43.5(Under ceiling)
Low 42(Floor console) , 41(Under ceiling) 42/41.5(Floor console) , 41/39.5(Under ceiling)
BTU/h - 25300
A 60 60
l/h (pints/h) 2.5(5.3) 2.5(5.3)
-
53/- 53/54
7.4
FLOOR / CEILING TYPE
AB18-24
W
Coil Dimensions
Coil Dimensions
INDOOR
OUTDOOR
INDOOR
OUTDOOR
INDOOR 28/37(62/82) 28/37(62/82)
OUTDOOR 58/62(128/137) 59/63(131/139)
LIQUID
GAS
CHARGE g 1550 1700
COOLING 21 to 43 0 to 43
HEATING - -6 to 24
m
m
Wireless Wireless
Note: Specifications are based on the following conditions.
Cooling: Indoor temperature of 27 °CDB / 19 °CWB,and outdoor temperature of 35 °CDB/24 °CWB.
Heating: Indoor temperature of 20 °CDB / 15 °CWB,and outdoor temperature of 7 °CDB/6 °CWB.
Pipe length : 7.5 m, Height difference : 0 m.(Outdoor unit - Indoor unit)
mm
- (03 - 05) -
Page 7
3-4. DIMENSIONS
3-4-1. OUTDOOR UNIT
MODELS : AO 18F, AO 18U, AO 24F, AO 24U
Top view
(Unit : mm)
FLOOR / CEILING TYPE
AB18-24
650
12
830
Front view
Bottom
Air flow
343
350
320
Side view
FLOOR / CEILING TYPE
AB18-24
154
101
58
90
MOUNTING POSITION
When there are obstacles at the
back or front sides.
100 mm
or more
600 mm
or more
Bottom view
100 mm
or more
603
When there are obstacles at the
back, side(s), and top.
600 mm or more
300 mm
250 mm
(
Ser
v
or
i
c
mor
e
s
pac
e)
or more
e
When there are obstacles at the
back, side with the installation of
more than one unit.
250 mm
or more
250 mm
or more
300 mm
or more
- (03 - 06) -
Page 8
3-4-2. INDOOR UNIT
MODELS : AB 18F, AB 18U, AB 24F, AB 24U
6
FLOOR / CEILING TYPE
AB18-24
1 2
Side view
1
2
Rear view
(Unit : mm)
4 5
FLOOR / CEILING TYPE
AB18-24
3
1
Refrigerant piping flare connection (Gas)
2
Refrigerant piping flare connection (Liquid)
3
Drain piping connection (Drain pipe : I.D. 25 O.D. 29 L 700)
4
Knock out hole for drain piping
5
Knock out hole for refrigerant piping
6
Hole for lifting bolt (Use M10 screw bolt)
990
500 245
65
655
530
45
125
100 hole
50 hole
100 hole
Wall bracket
Side of set
65
Bottom view
3
- (03 - 07) -
Page 9
MOUNTING POSITION
(Unit : mm)
Left Right
FLOOR / CEILING TYPE
AB18-24
300 or more 300 or more
Ceiling
FLOOR / CEILING TYPE
AB18-24
Left
150 or more 300 or more
Indoor unit
Ceiling
2300 or more
20 or more
1000 or more
Obstruction
Right
- (03 - 08) -
Page 10
3-5. REFRIGERANT CIRCUIT
MODELS : AB 18F / AO 18F
FLOOR / CEILING TYPE
AB18-24
FLOOR / CEILING TYPE
AB18-24
MODELS : AB 18U / AO 18U
- (03 - 09) -
Page 11
MODELS : AB 24F / AO 24F
FLOOR / CEILING TYPE
AB18-24
FLOOR / CEILING TYPE
AB18-24
MODELS : AB 24U / AO 24U
- (03 - 10) -
Page 12
3-6. WIRING DIAGRAMS
3-6-1. OUTDOOR UNIT
MODELS : AO 18F, AO 24F
FLOOR / CEILING TYPE
AB18-24
FLOOR / CEILING TYPE
AB18-24
MODELS : AO 18U, AO 24U
- (03 - 11) -
Page 13
3-6-2. INDOOR UNIT
MODELS : AB 18F, AB 24F
TO OUTDOOR UNIT TO OUTDOOR UNIT
FLOOR / CEILING TYPE
AB18-24
FLOOR / CEILING TYPE
AB18-24
MODELS : AB 18U, AB 24U
- (03 - 12) -
Page 14
3-7. CAPACITY TABLE
MODELS : AB 18F / AO 18F
COOLING
AFR
TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI
21 5.42 3.55 1.64 5.92 4.15 1.45 6.05 4.41 1.46 6.27 4.65 1.48 6.36 4.64 1.50 6.53 4.60 1.52 6.61 4.58 1.53 6.69 4.79 1.55
25 5.66 3.68 1.54 5.76 3.89 1.57 5.89 4.15 1.58 6.11 4.38 1.61 6.20 4.36 1.62 6.37 4.32 1.64 6.45 4.29 1.65 6.52 4.50 1.66
30 5.31 3.52 1.68 5.41 3.73 1.72 5.54 3.99 1.73 5.74 4.22 1.75 5.84 4.21 1.77 6.01 4.17 1.79 6.09 4.15 1.80 6.17 4.36 1.81
35 4.89 3.33 1.84 4.99 3.54 1.86 5.12 3.81 1.88 5.31 4.03 1.91 5.40 4.02 1.92 5.57 4.00 1.95 5.66 3.98 1.96 5.74 4.21 1.97
40 4.42 3.13 1.99 4.52 3.34 2.02 4.63 3.59 2.03 4.82 3.83 2.06 4.91 3.82 2.08 5.07 3.81 2.11 5.16 3.80 2.12 5.24 4.02 2.13
43 4.11 3.00 2.08 4.21 3.21 2.11 4.31 3.46 2.12 4.50 3.70 2.15 4.59 3.70 2.17 4.76 3.69 2.20 4.85 3.68 2.21 4.94 3.92 2.23
AFR: Air flow rate (m3/min)
TC : Total capacity (kW)
FLOOR / CEILING TYPE
SHC: Sensible Heat capacity (kW)
AB18-24
PI : Power Input (kW)
FLOOR / CEILING TYPE
AB18-24
- (03 - 13) -
Page 15
MODELS : AB 18U / AO 18U
COOLING
AFR
TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI T C SHC PI
0 6.52 4.13 1.10 6.62 4.34 1.13 6.74 4.58 1.14 6.94 4.78 1.16 7.02 4.74 1.17 7.17 4.66 1.18 7.24 4.61 1.19 7.30 4.80 1.19
5 6.30 3.98 1.24 6.40 4.19 1.26 6.56 4.46 1.28 6.79 4.69 1.30 6.88 4.66 1.31 7.05 4.60 1.33 7.13 4.56 1.34 7.20 4.76 1.34
10 6.04 3.84 1.36 6.14 4.05 1.40 6.29 4.32 1.41 6.54 4.57 1.44 6.65 4.55 1.45 6.82 4.49 1.47 6.90 4.46 1.48 6.98 4.67 1.49
15 5.75 3.69 1.50 5.85 3.90 1.53 6.00 4.17 1.55 6.24 4.42 1.58 6.33 4.41 1.59 6.51 4.37 1.62 6.60 4.34 1.63 6.67 4.55 1.64
20 5.42 3.55 1.64 5.52 3.76 1.67 5.66 4.03 1.69 5.87 4.27 1.72 5.97 4.25 1.74 6.14 4.22 1.76 6.22 4.19 1.78 6.30 4.41 1.79
25 5.66 3.68 1.54 5.76 3.89 1.55 5.89 4.15 1.57 6.11 4.38 1.59 6.20 4.36 1.60 6.37 4.32 1.62 6.45 4.29 1.63 6.52 4.50 1.64
30 5.31 3.52 1.68 5.41 3.73 1.70 5.54 3.99 1.71 5.74 4.22 1.74 5.84 4.21 1.75 6.01 4.17 1.77 6.09 4.15 1.78 6.17 4.36 1.79
35 4.89 3.33 1.84 4.99 3.54 1.84 5.12 3.81 1.86 5.31 4.03 1.89 5.40 4.02 1.90 5.57 4.00 1.93 5.66 3.98 1.94 5.74 4.21 1.95
FLOOR / CEILING TYPE
AB18-24
40 4.42 3.13 1.99 4.52 3.34 2.00 4.63 3.59 2.01 4.82 3.83 2.04 4.91 3.82 2.05 5.07 3.81 2.09 5.16 3.80 2.10 5.24 4.02 2.13
43 4.11 3.00 2.08 4.21 3.21 2.09 4.31 3.46 2.10 4.50 3.70 2.13 4.59 3.70 2.15 4.76 3.69 2.18 4.85 3.68 2.19 4.94 3.92 2.21
HEATING
AFR 13.0
FLOOR / CEILING TYPE
AB18-24
(°CDB)
-6 -8 3.90 1.17 3.84 1.20 3.72 1.24 3.60 1.28 3.54 1.30 3.42 1.33 3.30 1.35
-4 -6 4.26 1.26 4.20 1.30 4.08 1.33 3.96 1.37 3.90 1.39 3.78 1.42 3.66 1.44
1 -1 4.80 1.42 4.74 1.46 4.62 1.50 4.50 1.54 4.44 1.55 4.32 1.59 4.20 1.61
5 3 5.88 1.72 5.82 1.76 5.70 1.79 5.58 1.83 5.52 1.85 5.40 1.89 5.28 1.91
7 6 6.18 1.78 6.12 1.81 6.00 1.85 5.88 1.89 5.82 1.91 5.70 1.94 5.58 1.96
12 10 6.60 1.91 6.54 1.94 6.42 1.98 6.30 2.02 6.24 2.04 6.12 2.07 6.00 2.09
15 13 6.66 1.98 6.60 2.02 6.48 2.05 6.36 2.09 6.30 2.11 6.18 2.15 6.06 2.16
20 15 6.18 1.78 6.12 1.81 6.00 1.85 5.88 1.89 5.82 1.91 5.70 1.94 5.58 1.96
24 17 5.82 1.67 5.76 1.70 5.64 1.74 5.52 1.78 5.46 1.79 5.34 1.83 5.22 1.85
AFR: Air flow rate (m3/min)
TC : Total capacity (kW)
SHC: Sensible Heat capacity (kW)
PI : Power Input (kW)
TC PI TC PI TC PI TC PI TC PI TC PI TC PI
- (03 - 14) -
Page 16
MODELS : AB 24F / AO 24F
COOLING
AFR
(°CDB) TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI T C SHC PI
21 6.55 4.26 2.09 7.12 4.92 1.85 7.28 5.24 1.87 7.54 5.52 1.89 7.65 5.51 1.91 7.86 5.46 1.94 7.96 5.44 1.96 8.05 5.69 1.98
25 6.83 4.41 1.96 6.93 4.62 2.00 7.09 4.93 2.02 7.35 5.20 2.05 7.47 5.18 2.06 7.67 5.13 2.09 7.76 5.10 2.10 7.85 5.34 2.11
30 6.41 4.22 2.15 6.51 4.43 2.19 6.66 4.74 2.21 6.91 5.01 2.24 7.03 5.00 2.25 7.23 4.95 2.29 7.33 4.93 2.30 7.42 5.18 2.31
35 5.90 3.99 2.34 6.00 4.20 2.38 6.16 4.52 2.40 6.39 4.79 2.43 6.50 4.78 2.45 6.71 4.75 2.48 6.81 4.73 2.50 6.91 5.00 2.51
40 5.34 3.76 2.54 5.44 3.97 2.58 5.57 4.27 2.59 5.80 4.55 2.63 5.91 4.54 2.65 6.11 4.52 2.69 6.21 4.51 2.71 6.31 4.78 2.72
43 4.97 3.60 2.65 5.07 3.81 2.69 5.19 4.11 2.71 5.41 4.39 2.75 5.52 4.39 2.77 5.72 4.38 2.81 5.84 4.38 2.83 5.94 4.65 2.84
AFR: Air flow rate (m3/min)
TC : Total capacity (kW)
FLOOR / CEILING TYPE
SHC: Sensible Heat capacity (kW)
AB18-24
PI : Power Input (kW)
FLOOR / CEILING TYPE
AB18-24
- (03 - 15) -
Page 17
MODELS : AB 24U / AO 24U
COOLING
AFR
TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI T C SHC PI
0 7.86 4.95 1.40 7.96 5.16 1.44 8.12 5.45 1.45 8.35 5.67 1.47 8.45 5.63 1.48 8.63 5.53 1.50 8.71 5.48 1.51 8.79 5.71 1.52
5 7.61 4.77 1.58 7.71 4.98 1.61 7.89 5.30 1.63 8.17 5.57 1.65 8.29 5.54 1.67 8.49 5.46 1.69 8.58 5.42 1.70 8.67 5.65 1.71
10 7.29 4.60 1.74 7.39 4.81 1.78 7.57 5.13 1.80 7.88 5.42 1.83 8.00 5.40 1.85 8.21 5.34 1.88 8.31 5.30 1.89 8.40 5.54 1.90
15 6.94 4.42 1.91 7.04 4.63 1.95 7.22 4.96 1.97 7.51 5.25 2.01 7.62 5.24 2.03 7.84 5.19 2.06 7.94 5.16 2.08 8.03 5.40 2.09
20 6.55 4.26 2.09 6.65 4.47 2.12 6.81 4.78 2.15 7.07 5.07 2.19 7.18 5.05 2.21 7.39 5.01 2.25 7.49 4.98 2.27 7.58 5.23 2.28
25 6.83 4.41 1.96 6.93 4.62 1.98 7.09 4.93 1.99 7.35 5.20 2.02 7.47 5.18 2.04 7.67 5.13 2.06 7.76 5.10 2.08 7.85 5.34 2.09
30 6.41 4.22 2.15 6.51 4.43 2.16 6.66 4.74 2.18 6.91 5.01 2.21 7.03 5.00 2.23 7.23 4.95 2.26 7.33 4.93 2.27 7.42 5.18 2.28
35 5.90 3.99 2.34 6.00 4.20 2.35 6.16 4.52 2.37 6.39 4.79 2.40 6.50 4.78 2.42 6.71 4.75 2.45 6.81 4.73 2.47 6.91 5.00 2.48
FLOOR / CEILING TYPE
AB18-24
40 5.34 3.76 2.54 5.44 3.97 2.54 5.57 4.27 2.56 5.80 4.55 2.60 5.91 4.54 2.62 6.11 4.52 2.66 6.21 4.51 2.67 6.31 4.78 2.71
43 4.97 3.60 2.65 5.07 3.81 2.66 5.19 4.11 2.68 5.41 4.39 2.71 5.52 4.39 2.73 5.72 4.38 2.78 5.84 4.38 2.79 5.94 4.65 2.81
HEATING
AFR 14.7
FLOOR / CEILING TYPE
AB18-24
(°CDB)
-6 -8 4.81 1.45 4.74 1.50 4.59 1.54 4.44 1.59 4.37 1.61 4.22 1.66 4.07 1.68
-4 -6 5.25 1.56 5.18 1.61 5.03 1.66 4.88 1.70 4.81 1.73 4.66 1.77 4.51 1.79
1 -1 5.92 1.77 5.85 1.82 5.70 1.86 5.55 1.91 5.48 1.93 5.33 1.98 5.18 2.00
5 3 7.25 2.14 7.18 2.19 7.03 2.23 6.88 2.28 6.81 2.30 6.66 2.35 6.51 2.37
7 6 7.62 2.21 7.55 2.25 7.40 2.30 7.25 2.35 7.18 2.37 7.03 2.42 6.88 2.44
12 10 8.14 2.37 8.07 2.42 7.92 2.46 7.77 2.51 7.70 2.53 7.55 2.58 7.40 2.60
15 13 8.21 2.46 8.14 2.51 7.99 2.55 7.84 2.60 7.77 2.62 7.62 2.67 7.47 2.69
20 15 7.62 2.21 7.55 2.25 7.40 2.30 7.25 2.35 7.18 2.37 7.03 2.42 6.88 2.44
24 17 7.18 2.07 7.10 2.12 6.96 2.16 6.81 2.21 6.73 2.23 6.59 2.28 6.44 2.30
AFR: Air flow rate (m3/min)
TC : Total capacity (kW)
SHC: Sensible Heat capacity (kW)
PI : Power Input (kW)
TC PI TC PI TC PI TC PI TC PI TC PI TC PI
- (03 - 16) -
Page 18
3-8. CAPACITY COMPENSATION FOR PIPE LENGTH
7.5 10 15 20
- - - -
- - - -
- - - -
8 1.000 0.990 0.970 0.950
5 1.000 0.990 0.970 0.950
0 1.000 0.990 0.970 0.950
-5 0.992 0.982 0.962 0.942
-8 0.988 0.978 0.958 0.939
- - - -
- - - -
- - - -
Outdoor unit
is bottom-side
7.5 10 15 20
- - - -
- - - -
- - - -
8 0.993 0.988 0.983 0.978
5 0.995 0.990 0.985 0.980
0 1.000 0.995 0.990 0.985
-5 1.000 0.995 0.990 0.985
-8 1.000 0.995 0.990 0.985
- - - -
- - - -
- - - -
Outdoor unit
is bottom-side
AND HEIGHT DIFFERENCE
MODELS : AB 18F / AO 18F, AB 18U / AO 18U
AB 24F / AO 24F, AB 24U / AO 24U
COEFFICIENT OF COMPENSATION FOR HEIGHT DIFFERENCE
FLOOR / CEILING TYPE
AB18-24
FLOOR / CEILING TYPE
AB18-24
- (03 - 17) -
Page 19
3-9. ADDITIONAL CHARGE CALCULATION
REFRIGERANT TYPE
REFRIGERANT AMOUNT g
REFRIGERANT TYPE
REFRIGERANT AMOUNT g
REFRIGERANT TYPE
REFRIGERANT AMOUNT g
REFRIGERANT TYPE
REFRIGERANT AMOUNT g
MODELS : AB 18F / AO 18F
REFRIGERANT CHARGE
MODELS : AB 18U / AO 18U
FLOOR / CEILING TYPE
AB18-24
REFRIGERANT CHARGE
FLOOR / CEILING TYPE
AB18-24
MODELS : AB 24F / AO 24F
REFRIGERANT CHARGE
MODELS : AB 24U / AO 24U
REFRIGERANT CHARGE
- (03 - 18) -
Page 20
3-10. OPERATION RANGE
Indoor unit Outdoor unit Indoor temperature Indoor humidity Outdoor temperature
18 to 32 °C About 80% or less 21 to 43 °C
Indoor unit Outdoor unit Indoor temperature Indoor humidity Outdoor temperature
18 to 32 °C About 80% or less 0 to 43 °C
Heating 16 to 30 °C - -6 to 24 °C
FLOOR / CEILING TYPE
AB18-24
FLOOR / CEILING TYPE
AB18-24
- (03 - 19) -
Page 21
3-11. FAN PERFORMANCE AND AIR FLOW
3-11-1. AIR VELOCITY DISTRIBUTION
MODELS : AB 18F, AB 18U (FLOOR CONSOLE)
(m)
2
1
0
2.0
1.0
0.5
1
2
0123456 789
FLOOR / CEILING TYPE
AB18-24
(m)
3
2
1
2.0
0
1
1.0
1.0
2
0.5
0.5
3
0123456789
Unit : m/s
0.25
Unit : m/s
0.25
HORIZONTAL: Right
HORIZONTAL: Left
0.25
TOP VIEW
VERTICAL : Forward
HORIZONTAL : Center
(m)
TOP VIEW
VERTICAL : Forward
HORIZONTAL : Right & Left
(m)
Note :
Condition
Fan speed : High
Operation mode :FAN
FLOOR / CEILING TYPE
AB18-24
(m)
Unit : m/s
3
2
1
2.0
1.0
0.5
0.25
012 3 456 78 9
(m)
0.5
3
1.0
Unit : m/s
0.25
2
2.0
1
0123456
SIDE VIEW
VERTICAL : Center
HORIZONTAL : Center
(m)
SIDE VIEW
VERTICAL : Forward
HORIZONTAL : Center
(m)
(m)
3
2
2.0
1
0123456
1.0
0.5
Unit : m/s
0.25
SIDE VIEW
VERTICAL : Up
HORIZONTAL : Center
(m)
- (03 - 20) -
Page 22
MODELS : AB 18F, AB 18U (UNDER CEILING)
(m)
2
1
0
2.0
1.0
0.5
1
2
0123456 789
FLOOR / CEILING TYPE
AB18-24
(m)
3
2
1
0
2.0
1.0
0.5
1
1.0
Unit : m/s
0.25
Unit : m/s
0.25
HORIZONTAL: Right
HORIZONTAL: Left
TOP VIEW
VERTICAL : Up
HORIZONTAL : Center
(m)
Note :
Condition
Fan speed : High
Operation mode :FAN
FLOOR / CEILING TYPE
AB18-24
2
3
0.5
0.25
0123456789
TOP VIEW
VERTICAL : Up
HORIZONTAL : Right & Left
(m)
(m)
Unit : m/s
3
2
2.0
1
1.0
0.5
0.25
012 3 456 78 9
(m)
Unit : m/s
3
2
1
0123456
2.0
SIDE VIEW
1.0
0.5
0.25
VERTICAL : Center
HORIZONTAL : Center
(m)
SIDE VIEW
VERTICAL : Forward
HORIZONTAL : Center
(m)
(m)
3
2
2.0
1
0123456
1.0
0.5
Unit : m/s
0.25
SIDE VIEW
VERTICAL : Down
HORIZONTAL : Center
(m)
- (03 - 21) -
Page 23
MODELS : AB 24F, AB 24U (FLOOR CONSOLE)
(m)
2
1
0
2.0
1.0
1
2
0123456 789
FLOOR / CEILING TYPE
AB18-24
(m)
3
2
1.0
0.5
1
0
2.0
1
2
1.0
0.5
3
0123456789
Unit : m/s
0.5
0.25
Unit : m/s
0.25
HORIZONTAL: Right
HORIZONTAL: Left
0.25
TOP VIEW
VERTICAL : Forward
HORIZONTAL : Center
(m)
TOP VIEW
VERTICAL : Forward
HORIZONTAL : Right & Left
(m)
Note :
Condition
Fan speed : High
Operation mode :FAN
FLOOR / CEILING TYPE
AB18-24
(m)
Unit : m/s
3
2
1
2.0
1.0
0.5
0.25
012 3 456 78 9
0.5
Unit : m/s
0.25
SIDE VIEW
VERTICAL : Center
HORIZONTAL : Center
(m)
(m)
3
2
1
0123456
1.0
2.0
SIDE VIEW
VERTICAL : Forward
HORIZONTAL : Center
(m)
(m)
3
2
1
0123456
Unit : m/s
0.5
0.25
1.0
2.0
SIDE VIEW
VERTICAL : Up
HORIZONTAL : Center
(m)
- (03 - 22) -
Page 24
MODELS : AB 24F, AB 24U (UNDER CEILING)
(m)
2
1
0
2.0
1.0
1
2
0123456 789
FLOOR / CEILING TYPE
AB18-24
(m)
3
2
1.0
1
2.0
0
1
2
3
1.0
0.5
0123456789
Unit : m/s
0.5
Unit : m/s
0.25
0.5
HORIZONTAL: Right
HORIZONTAL: Left
0.25
0.25
TOP VIEW
VERTICAL : Up
HORIZONTAL : Center
(m)
TOP VIEW
VERTICAL : Up
HORIZONTAL : Right & Left
(m)
Note :
Condition
Fan speed : High
Operation mode :FAN
FLOOR / CEILING TYPE
AB18-24
(m)
Unit : m/s
3
2
1
2.0
1.0
0.5
0.25
012 3 456 78 9
(m)
Unit : m/s
3
2
1
0123456
2.0
1.0
0.5
0.25
SIDE VIEW
VERTICAL : Center
HORIZONTAL : Center
(m)
SIDE VIEW
VERTICAL : Up
HORIZONTAL : Center
(m)
(m)
3
2
2.0
1
0123456
1.0
0.5
Unit : m/s
0.25
SIDE VIEW
VERTICAL : Down
HORIZONTAL : Center
(m)
- (03 - 23) -
Page 25
3-11-2. AIR FLOW
NUMBER OF
ROTATIONS
(r.p.m)
NUMBER OF
ROTATIONS
(r.p.m)
MODELS : AB 18F / AO 18F
FLOOR / CEILING TYPE
AB18-24
l/s 217
CFM 459
l/s 181
CFM 383
l/s 153
CFM 324
l/s 889
FLOOR / CEILING TYPE
AB18-24
MODELS : AB 18U / AO 18U
CFM 1883
l/s 217
CFM 459
l/s 181
CFM 383
l/s 153
CFM 324
l/s 889
CFM 1883
l/s 456
CFM 965
- (03 - 24) -
Page 26
MODELS : AB 24F / AO 24F
NUMBER OF
ROTATIONS
(r.p.m)
NUMBER OF
ROTATIONS
(r.p.m)
l/s 244
CFM 518
l/s 206
FLOOR / CEILING TYPE
AB18-24
CFM 435
l/s 175
CFM 371
l/s 889
CFM 1883
FLOOR / CEILING TYPE
AB18-24
MODELS : AB 24U / AO 24U
l/s 244
CFM 518
l/s 206
CFM 435
l/s 175
CFM 371
l/s 889
CFM 1883
l/s 456
CFM 965
- (03 - 25) -
Page 27
3-12. NOISE LEVEL CURVE
3-12-1. OUTDOOR UNIT
COOLING
MODEL : AO 18F
80
70
60
50
FLOOR / CEILING TYPE
AB18-24
40
30
20
Octave band sound pressure level, dB:(0dB=0.0002µbar)
10
0
63 125 250 500 1,000 2,000 4,000 8,000
Octave band center frequency,Hz
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
MODEL : AO 18U
80
70
60
50
40
30
20
Octave band sound pressure level, dB:(0dB=0.0002µbar)
10
0
63 125 250 500 1,000 2,000 4,000 8,000
Octave band center frequency,Hz
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
FLOOR / CEILING TYPE
AB18-24
HEATING
MODEL : AO 18U
80
70
60
50
40
30
20
Octave band sound pressure level, dB:(0dB=0.0002µbar)
10
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
0
63 125 250 500 1,000 2,000 4,000 8,000
Octave band center frequency,Hz
- (03 - 26) -
Page 28
COOLING
MODEL : AO 24F
80
70
60
50
FLOOR / CEILING TYPE
AB18-24
40
30
20
Octave band sound pressure level, dB:(0dB=0.0002µbar)
10
0
63 125 250 500 1,000 2,000 4,000 8,000
Octave band center frequency,Hz
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
MODEL : AO 24U
80
70
60
50
40
30
20
Octave band sound pressure level, dB:(0dB=0.0002µbar)
10
0
63 125 250 500 1,000 2,000 4,000 8,000
Octave band center frequency,Hz
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
FLOOR / CEILING TYPE
AB18-24
HEATING
MODEL : AO 24U
80
70
60
50
40
30
20
Octave band sound pressure level, dB:(0dB=0.0002µbar)
10
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
0
63 125 250 500 1,000 2,000 4,000 8,000
Octave band center frequency,Hz
- (03 - 27) -
Page 29
SOUND LEVEL CHECK POINT
FLOOR / CEILING TYPE
AB18-24
FLOOR / CEILING TYPE
AB18-24
- (03 - 28) -
Page 30
3-12-2. INDOOR UNIT (UNDER CEILING INSTLLATION)
COOLING
MODEL : AB 18F
80
70
60
50
FLOOR / CEILING TYPE
AB18-24
40
30
20
Octave band sound pressure level, dB:(0dB=0.0002µbar)
10
0
63 125 250 500 1,000 2,000 4,000 8,000
Octave band center frequency,Hz
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
MODEL : AB 18U
80
70
60
50
40
30
20
Octave band sound pressure level, dB:(0dB=0.0002µbar)
10
0
63 125 250 500 1,000 2,000 4,000 8,000
Octave band center frequency,Hz
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
FLOOR / CEILING TYPE
AB18-24
HEATING
MODEL : AB 18U
80
70
60
50
40
30
20
Octave band sound pressure level, dB:(0dB=0.0002µbar)
10
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
0
63 125 250 500 1,000 2,000 4,000 8,000
Octave band center frequency,Hz
- (03 - 29) -
Page 31
COOLING
MODEL : AB 24F
80
70
60
50
FLOOR / CEILING TYPE
AB18-24
40
30
20
Octave band sound pressure level, dB:(0dB=0.0002µbar)
10
0
63 125 250 500 1,000 2,000 4,000 8,000
Octave band center frequency,Hz
HIGH
LOW
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
MODEL : AB 24U
80
70
60
50
40
HIGH
30
LOW
20
Octave band sound pressure level, dB:(0dB=0.0002µbar)
10
0
63 125 250 500 1,000 2,000 4,000 8,000
Octave band center frequency,Hz
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
FLOOR / CEILING TYPE
AB18-24
HEATING
MODEL : AB 24U
80
70
60
50
40
30
20
Octave band sound pressure level, dB:(0dB=0.0002µbar)
10
NC-70
NC-60
NC-50
HIGH
NC-40
LOW
NC-30
NC-20
0
63 125 250 500 1,000 2,000 4,000 8,000
Octave band center frequency,Hz
- (03 - 30) -
Page 32
SOUND LEVEL CHECK POINT
UNDER CEILING
1m
1
MIC
FLOOR / CEILING TYPE
AB18-24
1 0.8m (For AB12 AB24)
1m (For AB30 AB54)
FLOOR / CEILING TYPE
AB18-24
- (03 - 31) -
Page 33
3-13. ELECTRIC CHARACTERISTICS
Main Fuse (Circuit breaker)
Current
MODELS : AB 18F / AO 18F, AB 18U / AO 18U
AB 24F / AO 24F, AB 24U / AO 24U
Indoor unit
Outdoor unit
Voltage V
Frequency Hz
Cooling Heating Cooling Heating Cooling Heating Cooling Heating
Current A 8.5 - 8.6 8.3 11.0 - 10.8 10.3
Input kW 1.92 - 1.90 1.85 2.45 - 2.42 2.30
Max Operating Current A 9.0 - 9.0 9.0 11.5 - 11.5 11.5
Starting Current A 39 - 39 39 60 - 60 60
A
FLOOR / CEILING TYPE
AB18-24
Power Cable
*2)Limited wiring length m
Input kW
Full Load Amp. A
Input kW
Full Load Amp. A
FLOOR / CEILING TYPE
AB18-24
*1) Wiring Spec : Selected Sample
*2) Limited Wiring length : This is the wiring length in case voltage descent is less than 2%.
(Selected based on Japan Electrotechnical Standard and Codes Committee E0005)
When the wiring length becomes long, please select the wiring of a more larger
diameter.
- (03 - 32) -
Page 34
3-14. SAFETY DEVICE
AB 18F / AB 18U AB 24F / AB 24U
PROTECTION FORM
AO 18F / AO 18U AO 24F / AO 24U
FUSE
(SIDE OF POWER SUPPLY TERMINAL)
-
FAN MOTOR PROTECTOR THERMAL PROTECTOR
COMPRESSOR THERMAL PROTECTOR
OUTDOOR UNIT
INDOOR UNIT
FLOOR / CEILING TYPE
AB18-24
PCB FUSE - 3.15A 250V 3.15A 250V
FAN MOTOR PROTECTOR THERMAL PROTECTOR 140±5°C OFF 140±5°C OFF
MODEL NAME PROTECTION FORM
FLOOR / CEILING TYPE
AB18-24
- (03 - 33) -
Page 35
3-15. FUNCTION SETTING
Auto restart validity/invalidity
Room temperature correct coefficient
Room temperature correct coefficient
Remote control unit signal code
3-15-1. INDOOR UNIT
FLOOR / CEILING TYPE
SWITCH POSITION
AB18-24
FLOOR / CEILING TYPE
AB18-24
Indoor unit control circuit board
ON OFF
3
2
1
JM1
JM2
JM3
- (03 - 34) -
Page 36
3-15-2. SWITCH FUNCTION (INDOOR UNIT)
Remote control unit
signal code
DIP SWITCH SETTING
SW1-1. Auto restart setting
Auto restart function can be selected by turning this switch ON/OFF.
AUTO RESTART SETTING
( Factory setting)
FLOOR / CEILING TYPE
SW1-2, 1-3. Room temperature correct coefficient of heating.
AB18-24
Decide the heating temperature correct coefficient vale of heating.
TEMPERATURE CORRECTION
( Factory setting)
FLOOR / CEILING TYPE
AB18-24
JUMPER WIRE SETTING
JM 1, 2, 3 setting forbidden
( Factory setting)
- (03 - 35) -