Fujitsu AR*G12LLTB Service manual

DESIGN & TECHNICAL MANUAL
INDOOR
OUTDOOR
AOG12LALL
AOG14LALL
AOG18LALL
ARG12LLTB
ARG14LLTB
ARG18LLTB
AIR CONDITIONER
Duct type

1. INDOOR UNIT
DUCT TYPE :
ARG12LLTB
ARG14LLTB
ARG18LLTB
DTR_AR054E_02
2013.02.28

DUCT TYPE ARG12-18LLTB DUCT TYPE ARG12-18LLTB
CONTENTS
1. INDOOR UNIT
1. FEATURES.............................................................................................................. 01 - 01
2. WIRED REMOTE CONTROLLER......................................................... 01 - 02
3. SPECIFICATIONS.............................................................................................. 01 - 04
4. DIMENSIONS ........................................................................................................ 01 - 06
5. WIRING DIAGRAMS........................................................................................ 01 - 10
6. CAPACITY TABLE .............................................................................................01 - 11
6-1. COOLING CAPACITY ........................................................................................01 - 11
6-2. HEATING CAPACITY ........................................................................................ 01 - 12
7. FAN PERFORMANCE.................................................................................... 01 - 13
7-1. AIR VELOCITY DISTRIBUTIONS ................................................................... 01 - 13
7-2. FAN PERFORMANCE CURVE........................................................................ 01 - 19
7-3. AIRFLOW ............................................................................................................ 01 - 25
8. OPERATION NOISE (SOUND PRESSURE)................................. 01 - 28
8-1. NOISE LEVEL CURVE...................................................................................... 01 - 28
8-2. SOUND LEVEL CHECK POINT ...................................................................... 01 - 30
9. ELECTRIC CHARACTERISTICS........................................................... 01 - 31
10. SAFETY DEVICES ............................................................................................ 01 - 32
11. EXTERNAL INPUT & OUTPUT............................................................... 01 - 33
11-1. EXTERNAL INPUT............................................................................................. 01 - 33
11-2. EXTERNAL OUTPUT ........................................................................................ 01 - 34
12. FUNCTION SETTINGS .................................................................................. 01 - 37
12-1. INDOOR UNIT..................................................................................................... 01 - 37
12-2. INDOOR UNIT (Setting by remote controller) ............................................ 01 - 39
12-3. WIRED REMOTE CONTROLLER ................................................................... 01 - 44
13. OPTIONAL PARTS ........................................................................................... 01 - 45
13-1. CONTROLLER ................................................................................................... 01 - 45
13-2. OTHERS .............................................................................................................. 01 - 45

- (01 - 01) -
DUCT TYPE ARG12-18LLTB DUCT TYPE ARG12-18LLTB
FEATURES1.
MODELS

ARG12LLTB / AOG12LALL
ARG14LLTB / AOG14LALL
ARG18LLTB / AOG18LALL
FEATURES

Energy efciency class
z
MODEL
ARG12LLTB ARG14LLTB ARG18 LLTB
Cooling A+ A+ A++
Heating A+ AA+
Slim design
z
The slim design allows installations
where ceilings are narrow.
Height
Drain pump built-in
198mm
Drain port
Drain pump
Compact design
z
Condensate lift-up to 850mm.
Max.
850mm
Drain hose is standard accessory
Selectable wide range of
z
static pressure
By using DC fan motor, it is possible to
change static pressure range from 0 to 90Pa.
The change of static pressure range is
possible by remote controller.
0
[P a]
Air flow rate
Static pressure range
[m
3
/h]
90
Air - intake
z
Air intake direction can be selected to
match the installation site.
Bottom side Back side
Flexible installation
z
Ceiling concealed
Wall concealed
Filter (Accessory)
z
Filter : 2pcs.
ARG12LLTB
ARG14LLTB
ARG18LLTB

- (01 - 02) -
DUCT TYPE ARG12-18LLTB DUCT TYPE ARG12-18LLTB
WIRED REMOTE CONTROLLER2.
FEATURES

Various timer setup available (ON / OFF / WEEKLY).

Equipped with weekly timer as standard function.

(2 sets of start/stop per day for a week.)
When setting up the timer, operation mode and temperature setup

can be changed.
When a failure occurs, the error code is displayed.

Error history. (Last 16 error codes can be accessed.)

Up to 16 indoor units can be simultaneously controlled.

The room temperature is detected and controlled accurately by the

built-in thermo sensor.
High performance and compact size
z
Simple function setting
z
Setting of the air conditioner selection function is performed by remote controller.
Accurate and comfortable
z
Indoor temperature can be detected accurately by the inclusion of
a thermo sensor in the body of the wired controller.
Our system can correspond to various scenes.
This wired remote controller and the optional remote sensor allows
exibility in sensor location, and suitable for all requirements.
Built-in timers
z
Weekly timer Setback timer
At "Weekly timer" + "Set back timer" setup
SU MO TU WE TH FR SA
7
3 12 6 9 15 18 21
SU MO TU WE TH FR SA
7
3 12 6 9 15 18 21
SU MO TU WE TH FR SA
3 12 6 9 15 18 21
Possible to set ON/OFF time to operate twice each day
of the week.
Setup screen example
(Set to Wednesday: 8:00 to 20:00.)
Screen
after setup
Setup screen example
(Set from Sunday to Saturday: 12:00 to 15:00, 28 °C.)
Possible to set temperature for two time spans and
for each day of the week.
Easy-to-understand time bar display
24°C
036912 15 18 21 Time
28°C
036912 15 18 21 Time
28°C
24°C
036912 15 18 21 Time
24°C 28°C 24°C
Easy-to-understand operation
z
Timer
area
Operation
area
[Variable timer control]
The operation/display sections are zoned
according to time and operation, enabling
variable programming to match application.
Simple installation
z
Components are compatible with standard
switch boxes. Flat back construction allows
equipment to be installed wherever it is
needed.
European
switch box
JIS box
Sensor part
Thermo sensor
display
Control part for
changing the
thermo sensor

- (01 - 03) -
DUCT TYPE ARG12-18LLTB DUCT TYPE ARG12-18LLTB
FUNCTIONS

Display panel
DIMENSION

SPECIFICATION

15
11
10
9
8
21
3
5
14
4
12
13
6
7
17
16 18
19 20
21
120
120
120
18
Side ViewFront View
SIZE (H × W × D mm) 120 × 120 × 18
WEIGHT (g) 160
CABLE LENGTH (m) 10
POWER (V) 12
1 START/STOP button
Pressed to start and stop operation.
2 SET TEMP. button
Selects the setting temperature.
3 MODE button
Selects the operating mode (AUTO, HEAT, FAN, COOL, DRY).
4 FAN button
Selects the fan speed (AUTO, QUIET, LOW, MED, HIGH).
5 ECONOMY (THERMO SENSOR) button
Turns the economy efcient mode on and off.
6 TIMER MODE (CLOCK ADJUST) button
Selects the timer mode (OFF TIMER, ON TIMER, WEEKLY
TIMER). Sets the current time.
7 DAY (DAY OFF) button
Temporarily cancels one day timer.
8 SET BACK button
Pressed to select the set back timer.
9 Set time button
Pressed to set time.
10 TIMER DELETE button
Deletes the weekly timer schedule.
11 TIMER SET button
Sets the date, hour, minute and on-off time.
12 Vertical airow direction and swing button
Push for two seconds to change the swing mode.
13 Horizontal airow direction and swing button
Push for two seconds to change the swing mode.
14 FILTER RESET button
15 Operation lamp
Lights during operation and when the timer is on.
16 Timer and clock display
17 Operation mode display
18 Fan speed display
19 Operation lock display
20 Temperature display
21 Function display
Defrost display
Thermo sensor display
Economy display
Vertical swing display
Horizontal swing display
Filter display
Functions will be different due to type of indoor unit.
For details, please see operation manual.
WIRING SPECIFICATIONS

Use Cable size Wire type Remarks
Remote controller cable 0.33 mm2
(22 AWG) Polar 3 core Use sheathed PVC cable
[ Unit : mm ]

- (01 - 04) -
DUCT TYPE ARG12-18LLTB DUCT TYPE ARG12-18LLTB
SPECIFICATIONS3.
Note :
Specications 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.
Standard static pressure : 25Pa
Pipe length : 5 m, Height difference : 0 m.(Outdoor unit - Indoor unit)
Sound pressure level : Install a 2m duct to the outlet port and a 1m duct to the suction poit and measure.
The maximum current is the maximum value when operated within the operation range.
The protective function might work when using it outside the operation range.
Typ e DUCTED MODEL
INVERTER HEATPUMP
Model name ARG12LLTB ARG14L LTB ARG18 LLTB
Power source 230V ~ 50Hz
Available voltage range 198 - 264V ~ 50Hz
Capacity
Cooling
Rated kW 3.50 4.30 5.20
Btu/h 119 50 14650 17700
Min - Max kW 0.90 - 4.40 0.90 - 5.40 0.90 - 5.90
Btu/h 3100 - 15000 3100 - 18400 3100 - 20100
Heating
Rated kW 4.10 5.00 6.00
Btu/h 14000 17050 20500
Min - Max kW 0.90 - 5.70 0.90 - 6.50 0.90 - 7.50
Btu/h 3100 - 19400 3100 - 22100 3100 - 25600
Input power
Cooling Rated
kW
1.05 1.33 1.62
Max 1.70 2.04 2.04
Heating Rated 1.11 1.34 1.66
Max 2.26 2.83 2.83
Current Cooling Rated A4.8 6.1 7.2
Heating 5 .1 6.1 7.4
EER Cooling kW / kW 3.33 3.21 3.21
COP Heating 3.69 3.71 3.61
Moisture removal l/h (pints/h) 1.3 (2.3) 1.5 (2.6) 2.0 (3.5)
Maximum operating current * Cooling A7. 5 9.0 9.0
Heating 10.0 12.5 12.5
Fan
Airow
rate
Cooling
High
m3/h
650 800 940
Med 600 700 880
Low 550 600 820
Quiet 480 480 750
Heating
High 650 800 940
Med 600 700 880
Low 550 600 820
Quiet 480 480 750
Type × Q'ty Sirocco × 2 Sirocco × 3
Motor output W 81 96
Recommended static pressure Pa 0 to 90
Sound pressure level
Cooling
High
dB (A)
29 32 32
Med 28 30 30
Low 26 28 29
Quiet 25 26 27
Heating
High 29 32 32
Med 28 30 30
Low 26 28 29
Quiet 24 25 27
Heat exchanger type
Dimensions
(H × W × D) mm 294 × 500 × 39.9 294 × 700 × 39.9
Fin pitch 1.3
Rows × Stages 3 × 14
Pipe type Copper tube
Fin type Aluminium
Enclosure Material GALVANIZED STEEL SHEET
Colour —
Dimensions
(H × W × D)
Net mm 198 × 700 × 620 198 × 900 × 620
Gross 276 × 968 × 772 276 × 1168 × 772
Weight Net kg 19 23
Gross 23 27
Connection pipe Size Liquid mm Ø6.35 (Ø1/4 in.)
Gas Ø9.52 (Ø3/8 in.) Ø12.7 (Ø1/2 in.)
Method Flare
Operation range Cooling °C 18 to 32
%RH 80 or less
Heating °C 16 to 30
Remote controller type Wired [Wireless (option)]
Drain hose Material HARD PVC
Size mm Ø25(I.D.), Ø32(O.D.)

- (01 - 05) -
DUCT TYPE ARG12-18LLTB DUCT TYPE ARG12-18LLTB
Model name ARG12LLTB ARG14LLTB ARG18 LLTB
Energy efciency class Cooling A+ A+ A++
Heating (Average) A+ AA+
Pdesign Cooling kW 3.5(35°C) 4.3(35°C) 5.2(35°C)
Heating (Average) 4.2(-10°C) 4.5(-10°C) 5.2(-10°C)
SEER Cooling kWh/kWh 5.90 5.80 6.20
SCOP Heating (Average) 4.00 3.90 4.10
Annual energy consumption QCE kWh/a 207 259 293
QHE (Average) 1467 1614 1774
Sound power level Cooling High dB (A) 58 60 58
Heating 58 60 58

- (01 - 06) -
DUCT TYPE ARG12-18LLTB DUCT TYPE ARG12-18LLTB
DIMENSIONS4.
MODELS: AR
 G12LLTB, ARG14LLTB
(Unit : mm)
Rear view
View A
Top view Side view
Front view
Bottom view
(Drain hose)
Drain port
51
574
174
71
152
100 x 6 = 600
82
48
650
734
30
377
163
119
89
78
55
47
10
620
367
264
144
69
650
664
700
43
31
198 168 151
78 55
ARG12LL ARG14LL
Refrigerant pipe are
connection
Liquid ø 6.35 mm (ø 1/4 in.)
Gas ø 9.52 mm (ø 3/8 in.) ø 12.70 mm (ø 1/2 in.)
Drain hose connection Drain hose I.D. 25mm, O.D. 32mm (VP25)

- (01 - 07) -
DUCT TYPE ARG12-18LLTB DUCT TYPE ARG12-18LLTB
MODEL : AR
 G18LLTB
Rear view
View A
Top view
Side view
Front view
Bottom view
(Drain hose)
Drain port
51
774
174
71
152
87
56
850
934
100 x 8 = 800
30
377
163
119
89
78
55
47
10
620
367
264
144
69
850
864
900
43
31
198
168
151
78 55
ARG18LL
Refrigerant pipe are
connection
Liquid ø 6.35 mm (ø 1/4 in.)
Gas ø 12.70 mm (ø 1/2 in.)
Drain hose connection Drain hose I.D. 25mm, O.D. 32mm (VP25)
Unit : mm