Fujitsu Inverter Halcyon ASU24CL1 Service manual

AIR CONDITIONER
Wall Mounted type
INDOOR
OUTDOOR
ASU24CL1
AOU24CL1
DESIGN & TECHNICAL MANUAL

1. INDOOR UNIT
WALL MOUNTED TYPE :
ASU24CL1
DTR_AS046E_02
2010.12.02

WALL MOUNTED TYPE ASU2 4CL1 WALL MOUNTED TYPE ASU2 4CL1
CONTENTS
1. INDOOR UNIT
1. FEATURE.................................................................................................................. 01 - 01
2. WIRELESS REMOTE CONTROLLER............................................... 01 - 03
3. SPECIFICATIONS.............................................................................................. 01 - 05
4. DIMENSIONS ........................................................................................................ 01 - 06
5. WIRING DIAGRAMS........................................................................................ 01 - 07
6. CAPACITY TABLE ............................................................................................ 01 - 08
6-1. COOLING CAPACITY...................................................................................... 01 - 08
7. FAN PERFORMANCE.................................................................................... 01 - 09
7-1. AIR VELOCITY DISTRIBUTION..................................................................... 01 - 09
7-2. AIR FLOW.......................................................................................................... 01 - 10
8. OPERATION NOISE..........................................................................................01 - 11
8-1. NOISE LEVEL CURVE .....................................................................................01 - 11
8-2. SOUND LEVEL CHECK POINT..................................................................... 01 - 12
9. ELECTRIC CHARACTERISTICS........................................................... 01 - 13
10. SAFETY DEVICES ............................................................................................ 01 - 14
11. EXTERNAL INPUT & OUTPUT............................................................... 01 - 15
11-1. EXTERNAL INPUT ........................................................................................... 01 - 15
11-2. EXTERNAL OUTPUT....................................................................................... 01 - 16
12. FUNCTION SETTING...................................................................................... 01 - 17
12-1. INDOOR UNIT .................................................................................................. 01 - 17
13. OPTIONAL PARTS ........................................................................................... 01 - 19

- (01 - 01) -
WALL MOUNTED TYPE ASU2 4CL1 WALL MOUNTED TYPE ASU2 4CL1
FEATURE1.
MODEL

ASU24CL1 / AOU24CL1
FEATURES

ALL DC
z
b
c
a
Front view
Large air flow and quiet
operation by new air
flow path
High efficiency
layout
More compact compared with conventional model
PAM technology makes a compressor more powerful.
PAM control
b
DC compressor
c
aDC fan motor
DC fan motor
Super quiet
z
Air ow mode can be set in 4 steps and more detailed air ow setting is possible.
Easy maintenance
z
Easy maintenance and always clean. Troublesome maintenance has been made easy.
Since the front panel is easy to remove, maintenance is also easy.

- (01 - 02) -
WALL MOUNTED TYPE ASU2 4CL1 WALL MOUNTED TYPE ASU2 4CL1
Power diffuser
z
“Healthy horizontal air ow” does not blow
cool air directly at the occupants in the room.
Power diffuser
Outside air conditions: 95
o
F 40%
( F)
Operation contents: Cooling,
Set temperature (Min set temp)
65oF, Air flow Hi,
o
6559 61 63
7
3
0
10 20 30 40 (ft.)
(ft.)
Vertical flap : Upward
Horizontal flap : Center
Low outdoor air temperature cooling correspondence
z
Corresponds to cooling operation at 14°F (-10°C) outdoor air temperature
Corresponds to maximum 98 feet (30m) long piping
z
Air conditioner lter features
z
Organic coating fin used
heat exchanger
Pre Filter
Antibacterial deodorizing
pre-filter with special
ceramic powder
Ion Deodorization Filter Apple-catechin Filter
Apple-
catechin Filter
Long-life Ion
Deodorization Filter
Blue n heat exchanger
z
Corrosion-resistance of the heat exchanger even in coastal areas has been improved by blue n
treatment of the outdoor unit heat exchanger.
Blue fin heat exchanger
Cobalt Blue protection
Standard chromate protection
Aluminium base material
Hydrophilic coating

- (01 - 03) -
WALL MOUNTED TYPE ASU2 4CL1 WALL MOUNTED TYPE ASU2 4CL1
WIRELESS REMOTE CONTROLLER2.
FEATURES

Four kinds of timer setup
¾
(On / Off / Program / Sleep) are possible.
Four kinds of timers. Easy operation.
¾
Easy to change transmission code (4 patterns) by button operation.
¾
Built-in timers
z
Select from four different timer programs (On / Off / Program / Sleep).
Program timer
z
The program timer operates the on and off timer once within a 24 hour period.
Sleep timer
z
The sleep timer function automatically corrects the temperature thermostat setting according to
the timer setting to prevent excessive cooling while sleeping.
60min.
2°F (1°C) 4°F (2°C)
Timer setting
Cooling operation/dry operation
When the sleep timer is set, the set temperature
automatically rises 2°F (1°C) every hour. The set
temperature can rise up to a maximum of 4°F (2°C).
Switching remote controller signal code
z
A B C D
A B CD
Mixed-up
I.U. I.U. I.U. I.U. I.U. I.U. I.U. I.U.
After code change
Code selector switch eliminates unit

•
being wrongly switched.
(Up to 4 codes can be set.)
*I.U.=Indoor unit

- (01 - 04) -
WALL MOUNTED TYPE ASU2 4CL1 WALL MOUNTED TYPE ASU2 4CL1
Display panel
16
17
18 20
22
21
23
19
15
To facilitate explanation, the accompanying
illustration has been drawn to show all possible
indicators; in actual operation, however,
the display will only show those indicators
appropriate to the current operation.
SPECIFICATION

2
8
1
14
4
9
12
10
11
13
7
6
5
3
SIZE [ H x W x D ] in. (mm) 6-11/16 x 2-7/32 x 3/4 (170 x 56 x 19)
WEIGHT [ w/o batteries ] oz. (g) 3 (85)
ACCESSORY Holder
1SLEEP button
2MASTER CONTROL button
3SET TEMP. button ( / )
4Signal transmitter
5TIMER MODE button
6TIMER SET (
+
/
-
) button
7FAN CONTROL button
8START/STOP button
9SET button (Vertical)
10 SET button (Horizontal)
11 SWING button
12 RESET button
13 TEST RUN button
• This button is used when installing the air conditioner, and
should not be used under normal conditions, as it will cause the
indoor unit’s thermostat function to operate incorrectly.
• If this button is pressed during normal operation, the indoor
unit will switch to test operation mode, and the Indoor Unit’s
OPERATION Indicator Lamp and TIMER Indicator Lamp will
begin to ash simultaneously.
• To stop the test operation mode, press the START/STOP button
to stop the air conditioner.
14 CLOCK ADJUST button
15 Remote controller display
16 Transmit indicator
17 Clock display
18 Operating mode display
19 Timer mode display
20 Fan speed display
21 Temperature set display
22 Sleep display
23 Swing display
Functions will be different due to type of indoor unit.
For details, please see operation manual.
FUNCTIONS


- (01 - 05) -
WALL MOUNTED TYPE ASU2 4CL1 WALL MOUNTED TYPE ASU2 4CL1
SPECIFICATIONS3.
Note :
Specications are based on the following conditions.
Cooling : Indoor temperature of 80 °F (26.7°C)DB/67 °F (19.4°C)WB and outdoor temperature of 95 °F (35°C)DB/75 °F (23.9°C)WB.
Pipe length : 25ft. (7.5 m), Height difference : 0 m.(Outdoor unit - Indoor unit)
* The maximum current is the total current of indoor unit and outdoor unit.
Type WALL MOUNTED
COOLING ONLY INVERTER
Model name ASU24CL1
Power source 202/230V ~ 60Hz
Available voltage range 187-253V ~ 60Hz
Capacity Cooling
Rated kW (W) 7.03
BTU/h 24,000
Min.-Max. kW 0.9 - 7.3
BTU/h 3,100 - 25,000
Input power Cooling Rated kW 2.40
Min.-Max. 0.11 - 2.50
Current Cooling Rated A10.5
Max.* 11.5
EER Cooling W / W
(BTU / hW) 2.93 (10.0)
SEER Cooling (BTU / hW) 17.5
SENSIBLE CAPACITY Cooling kW 5.33
POWER FACTOR Cooling %99
Moisture removal pints/h (l/h) 6.3 (3.0)
Fan
Airow
rate Cooling
High
CFM
(m3/h)
659 (1120)
Med 530 (900)
Low 436 (740)
Quiet 365 (620)
Type × Q'ty Cross ow fan × 1
Motor output W 40
Sound pressure level Cooling
High
dB(A)
48
Med 42
Low 37
Quiet 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 × 17/32 (84 × 832 × 13.3)
Fin pitch FPI Main: 21, Sub: 18
Rows × Stages Main: 2 × 18, Sub1: 1 × 4, Sub2: 1 × 4
Pipe type Copper
Fin type Aluminium
Enclosure
Material Polystyrene
Color WHITE
Approximate color of MUNSELL N 9.25/
Dimensions
( H×W ×D )
Net mm 320 × 998 × 228
inch 12-5/8 × 39-1/4 × 9
Gross mm 319 × 1090 × 429
inch 12-3/5 × 42-15/16 × 16-7/8
Weight Net lb.(kg) 31 (14)
Gross 40 (18)
Connection pipe Size Liquid inch
(mm)
Ø1/4 (Ø6.35)
Gas Ø5/8 (Ø15.88)
Method Flare
Operation range Cooling °F (°C) 60 to 90 (18 to 32)
%RH 80 or less
Remote controller type Wireless
Drain pipe
Material PVC
Size mm
(in)
Outer diameter: 28 (1-3/32)
Inner diameter: 16 (5/8)

- (01 - 06) -
WALL MOUNTED TYPE ASU2 4CL1 WALL MOUNTED TYPE ASU2 4CL1
DIMENSIONS4.
MODEL
 : ASU2 4CL1
Unit : in. (mm)
INSTALLATION PLACE

Unit : in. (mm)
2-15/32 (63) or more
3-5/32 (80) or more
2-3/32 (53) or more
2-1/16 (52) or more
3-5/32 (80) or more
Outline of unit
4-23/32 (120) or more
59-1/16 (1,500) or more
70-7/8 (1,800) or more
39-9/32 (998)
8-31/32
(228)
12-19/32 (320)

- (01 - 07) -
WALL MOUNTED TYPE ASU2 4CL1 WALL MOUNTED TYPE ASU2 4CL1
WIRING DIAGRAMS5.
MODEL
 : ASU2 4CL1
TO OUTDOOR UNIT
CONTROOL BOARD
TEST
CN13
CN14
2
1
CN16
EX.OUT
(OPTION)
EX.IN
(OPTION) 1
2
3
BLACK
WHITE
RED
REMOTE CONTROL UNIT (OPTION)
3
2
1

- (01 - 08) -
WALL MOUNTED TYPE ASU2 4CL1 WALL MOUNTED TYPE ASU2 4CL1
CAPACITY TABLE6.
COOLING CAPACITY6-1.
MODEL
 : ASU24CL1
AFR: Air ow rate (CFM)
TC: Total capacity (kBTU)
SHC: Sensible heat capacity (kBTU)
PI: Power input (kW))
AFR : Air ow rate (m3/min)
TC : Total capacity (kW)
SHC : Sensible heat capacity (kW)
PI : Power input (kW)
AFR 659
Indoor temperature
°FDB 64 70 75 80 85 90
°FWB 54 60 63 67 71 73
Outdoor temperature
°FDB TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI
15.0 19.7 15.7 1.04 21.9 15.8 1.05 22.7 17.1 1.05 24.9 18.6 1.07 26.4 18.5 1.07 27.9 19.7 1.08
67 19.7 15.3 1.20 21.1 15.4 1.22 21.8 16.7 1.23 24.0 18.1 1.25 25.4 18.1 1.26 26.9 19.3 1.27
77 21.0 17.9 1.88 23.4 18.0 1.91 24.2 19.6 1.92 26.5 21.2 1.95 28.1 21.2 1.97 29.7 22.5 1.99
87 20.0 16.7 2.10 22.3 16.8 2.13 23.0 18.2 2.14 25.3 19.8 2.17 26.8 19.7 2.20 28.3 21.0 2.22
95 19.0 15.3 2.32 21.1 15.4 2.35 21.8 16.8 2.36 24.0 18.2 2.40 25.4 18.1 2.43 26.9 19.3 2.45
104 17.0 12.8 2.50 19.0 12.8 2.54 19.6 14.0 2.55 21.6 15.1 2.59 22.9 15.1 2.62 24.2 16.1 2.64
115 16.0 11.3 2.53 17.8 11.4 2.57 18.5 12.4 2.58 20.3 13.5 2.62 21.5 13.4 2.64 22.7 14.3 2.67
AFR 18.7
Indoor temperature
°CDB 17.8 21.1 23.9 26.7 29.4 32.2
°CWB 12.2 15.6 17.7 19.4 21.7 22.8
Outdoor temperature
°CDB TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI
15.0 5.77 4.59 1.04 6.42 4.62 1.05 6.65 5.02 1.05 7.31 5.44 1.07 7.74 5.41 1.07 8.18 5.77 1.08
19.4 5.55 4.48 1.20 6.18 4.51 1.22 6.39 4.90 1.23 7.02 5.31 1.25 7.44 5.30 1.26 7.87 5.64 1.27
25.0 6.14 5.24 1.88 6.84 5.27 1.91 7.08 5.74 1.92 7.78 6.22 1.95 8.24 6.20 1.97 8.71 6.61 1.99
30.6 5.85 4.88 2.10 6.52 4.91 2.13 6.74 5.35 2.14 7.41 5.79 2.17 7.85 5.78 2.20 8.30 6.15 2.22
35.0 5.55 4.49 2.32 6.19 4.52 2.35 6.40 4.92 2.36 7.03 5.33 2.40 7.45 5.31 2.43 7.87 5.66 2.45
40.0 4.99 3.74 2.50 5.56 3.77 2.54 5.75 4.10 2.55 6.32 4.44 2.59 6.70 4.43 2.62 7.08 4.72 2.64
46.1 4.69 3.32 2.53 5.23 3.34 2.57 5.41 3.64 2.58 5.94 3.94 2.62 6.30 3.93 2.64 6.65 4.19 2.67

- (01 - 09) -
WALL MOUNTED TYPE ASU2 4CL1 WALL MOUNTED TYPE ASU2 4CL1
FAN PERFORMANCE7.
AIR VELOCITY DISTRIBUTION7-1.
MODEL
 : ASU2 4CL1
Note:
Fan speed : HIGH
Operation mode : FAN
7(2) 3(1)
2(0.5)
2
1
0
1
2
(m)
(m)
TOP VIEW
Vertical ap : Up
Horizontal ap : Center
Unit : ft/s (m/s)
012345678
(ft)
714 20 27
7
3
0
3
7
(ft)
7(2)
3(1)
2(0.5)
3
2
1
0
(m)
(m)
SIDE VIEW
Vertical ap : Up
Horizontal ap : Center
Unit : ft/s (m/s)
012345678
(ft)
714 20 27
10
7
3
0
(ft)
2(0.5)
2(0.5)
3(1)
3(1)
7(2)
7(2)
3
2
1
0
1
2
3
(m)
(m)
TOP VIEW
Vertical ap : Up
Horizontal ap : Right & Left
Unit : ft/s (m/s)
012345678
(ft)
714 20 27
10
7
3
0
3
7
10
(ft)
7(2)
3(1)
2(0.5)
3
2
1
0
(m)
(m)
SIDE VIEW
Vertical ap : Down
Horizontal ap : Center
Unit : ft/s (m/s)
012345678
(ft)
714 20 27
10
7
3
0
(ft)

- (01 - 10) -
WALL MOUNTED TYPE ASU2 4CL1 WALL MOUNTED TYPE ASU2 4CL1
AIR FLOW7-2.
MODEL
 : ASU2 4CL1
Cooling
z
Fan speed
Number of
rotations
(r.p.m.)
Air ow
HIGH 1480
1120 m3/h
311 l/s
659 CFM
MED 1220
900 m3/h
250 l/s
530 CFM
LOW 1020
740 m3/h
206 l/s
436 CFM
QUIET 900
620 m3/h
172 l/s
365 CFM

- (01 - 11) -
WALL MOUNTED TYPE ASU2 4CL1 WALL MOUNTED TYPE ASU2 4CL1
OPERATION NOISE8.
NOISE LEVEL CURVE8-1.
MODEL
 : ASU2 4CL1
NC-65
NC-60
NC-55
NC-50
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15
High
Quiet
Cooling
z
Octave band sound pressure level, dB:(0dB=0.0002µbar)
Octave band center frequency,Hz
80
70
60
50
40
30
20
10
0
63 125 250 500 1,000 2,000 4,000 8,000

- (01 - 12) -
WALL MOUNTED TYPE ASU2 4CL1 WALL MOUNTED TYPE ASU2 4CL1
SOUND LEVEL CHECK POINT8-2.
39-3/8 in. (1m)
31-1/2 in. (0.8 m)

- (01 - 13) -
WALL MOUNTED TYPE ASU2 4CL1 WALL MOUNTED TYPE ASU2 4CL1
ELECTRIC CHARACTERISTICS9.
Model name ASU24CL1
Power supply
Voltage V208/230~
Frequency Hz 60
Max. operating current A 0.3
*)Wiring Spec.
Connection cable AWG 14
Limited wiring length ft. 102
*) Wiring Spec.
Selected Sample
(Selected based on Japan Electrotechnical Standard and Codes Committee E0005)

- (01 - 14) -
WALL MOUNTED TYPE ASU2 4CL1 WALL MOUNTED TYPE ASU2 4CL1
SAFETY DEVICES10.
Protection form
Model
ASU24CL1
Circuit protection Current fuse (PCB) 3.15A 250V
Terminal protection Current (thermal) fuse 3A 250V 215°F (102°C)
Fan motor protection Thermal protector program 212+27 -18°F (100+15 -10°C) OFF
203+9 -18°F (95+5 -10°C) ON

- (01 - 15) -
WALL MOUNTED TYPE ASU2 4CL1 WALL MOUNTED TYPE ASU2 4CL1
EXTERNAL INPUT & OUTPUT11.
Connector INPUT OUTPUT REMARKS
CN14 Control input
(Operation / stop) -See external
input/output settings
for details.
CN16 -Operation status output
EXTERNAL INPUT11-1.
CONTROL INPUT (Operation/Stop)

The air conditioner can be remotely operated by means of the following on-site work.
Operation is started at the following contents by adding the contact input of a commercial ON/OFF switch to a
connector on the external control PC board and turning it ON.
Initial starting after power turned on Starting other than at the left
Operation mode Auto changeover Mode at previous operation
Set temperature 75°F (24°C) Temperature at previous operation
Air ow mode AUTO Mode at previous operation
Up-down air direction (swing) Standard air direction (swing OFF) Air direction at previous operation
Left-right air direction (swing) Standard air direction (swing OFF) Air direction at previous operation
Circuit diagram example
z
Indoor
control PC board Connected unit
Ex.) Switch
Connector
1
3
Signal
Field supply
* Make the distance from the PC board to the connected unit within 33 ft. (10m).
Contact capacity : 5VDC or more, 20mA or more.
Please use the non-polar relays and switches.
*33 ft. (10 m)
Operation
Stop
ON
OFF
Input signal
Indoor unit
Parts (Optional)
z
Parts name Model name
External connect kit UT Y-XWZX
Wire (External input)

- (01 - 16) -
WALL MOUNTED TYPE ASU2 4CL1 WALL MOUNTED TYPE ASU2 4CL1
EXTERNAL OUTPUT11-2.
OPERATION STATUS OUTPUT

An air conditioner operation status signal can be output.
Circuit diagram example
z
Field supply
Ex.)Display
Indoor
control PC board Connected unit
Ex.)Relay unit
1
2
Signal
Relay
power
supply
V
Connector
* Make the distance from the PC board to the connected unit within 33ft. (10m).
Relay spec. : Max.24VDC, 10mA to less than 500mA.
*33 ft.
(10 m)
24V DC
ON
OFF
Operation
Stop
Indoor unit
Output signal
Parts (Optional)
z
Parts name Model name
External connect kit UT Y-XWZX
Wire (External output)

- (01 - 17) -
WALL MOUNTED TYPE ASU2 4CL1 WALL MOUNTED TYPE ASU2 4CL1
FUNCTION SETTING12.
INDOOR UNIT12-1.
SWITCH POSITION

MAIN PCB
JM5
JM6
JM7
JM8
JM10
JM5
JM6
JM7
JM8
JM10
INDOOR UNIT
Jumper Wire
JM 5 Auto restart
JM 6 Room temperature correction
JM 7
JM 8 Remote controller signal code
JM 10