Fujitsu AW Z24LBC Series Original operating manual

SPLIT TYPE
ROOM AIR CONDITIONER
CEILING WALL
type
Models Indoor unit Outdoor unit
AW Z24LBC AO Z24LBT
INVERTER
SERVICE
INSTRUCTION
R410A

CONTENTS
1. SPECIFICATION
AW *Z24LBC, AO*Z24LBT.............................................................................................
2. DIMENSIONS
AW *Z24LBC, AO*Z24LBT.............................................................................................
3. REFRIGERANT SYSTEM DIAGRAM
AW *Z24LBC, AO*Z24LBT.............................................................................................
4. CIRCUIT DIAGRAM
AW *Z24LBC, AO*Z24LBT.............................................................................................
5. DESCRIPTION OF EACH CONTROL OPERATION
1. COOLING OPERATION..............................................................................................
3. DRY OPERATION......................................................................................................
2. HEATING OPERATION..............................................................................................
5. INDOOR FAN CONTROL...........................................................................................
4. AUTO CHANGEOVER OPERATION.........................................................................
7. LOUVER CONTROL...................................................................................................
6. OUTDOOR FAN CONTROL.......................................................................................
9. TIMER OPERATION CONTROL................................................................................
8. COMPRESSOR CONTROL........................................................................................
11. TEST OPERATION CONTROL..................................................................................
10. ELECTRONIC EXPANSION VALVE CONTROL........................................................
13. FOUR-WAY VALVE EXTENSION SELECT...............................................................
12. PREVENT TO RESTART FOR 3 MINUTES ( 3 MINUTES ST )................................
15. MANUAL AUTO OPERATION ( Indoor unit body operation ).....................................
14. AUTO RESTART........................................................................................................
16. FORCED COOLING OPERATION.............................................................................
18. COIL DRY OPERATION CONTROL..........................................................................
17. COMPRESSOR PREHEATING..................................................................................
20. DEFROST OPERATION CONTROL..........................................................................
22. VARIOUS PROTECTIONS.........................................................................................
21. OFF DEFROST OPERATION CONTROL..................................................................
01-01
02-01
03-01
04-01
05-01
05-02
05-03
05-04
05-05
05-07
05-08
05-09
05-10
05-12
05-12
05-12
05-12
05-13
05-13
05-13
05-13
19. UV FILTER CLEANING CONTROL............................................................................ 05-14
05-16
05-18
05-19
05-12

6. REFRIGERANT CAUTION -R410A-
1. R410A TOOLS............................................................................................................
3. PRECAUTION FOR SERVICING...............................................................................
2. PRECAUTION FOR INSTALLATION.........................................................................
5. DEFFERENCE FROM CONVENTIONAL MODEL(R22) AND PRECAUTIONS........
4. NEW REFRIGERANT R410A.....................................................................................
7. TROUBLE SHOOTING
1. WHEN THE UNIT DOES NOT OPERATE AT ALL....................................................
3. TROUBLE SHOOTING METHOD
2. SELF DIAGNOSIS FUNCTION..................................................................................
1. EXPLODED VIEW......................................................................................................
2. INVERTER ASSEMBLY SPECIFICATION.................................................................
8. APPENDING DATA
1. JUMPER SETTING OF INDOOR UNIT AND OUTDOOR UNIT................................
3. CAPACITY/INPUT DATA............................................................................................
4. THERMISTOR RESISTANCE VALUES............................................... .....................
2. OUTDOOR UNIT PRESSURE VALUE AND TOTAL ELECTRIC
CURRENT CURVE...................................................................................................
9. REPLACEMENT PARTS
10. INSTALLATION MANUAL
4. SELF-DIAGNOSIS FUNCTION AND CHECKING POINTS.......................................
5. SERIAL SIGNAL DIAGNOSIS....................................................................................
6. IPM PROTECTION.....................................................................................................
8. TROUBLE SHOOTING OF REFRIGERANT CYCLE.................................................
06-01
06-02
06-04
06-05
06-08
07-01
07-02
07-03
07-07
07-08
7. ACTIVE FILTER FAILURE..........................................................................................07-09
08-01
08-02
08-04
08-06
09-01
09-18
07-10

1 . SPECIFICATIONS
R410A
CEILING WALL type
INVERTER

HEATING CAPACITY
POWER SUPPLY
RUNNING
CURRENT
COOLING
HEATING 10.3 A
INPUT WATTS COOLING
HEATING 2.35 kW
E.E.R. COOLING
HEATING
COOLING
HEATING
3.62 kW/kW
MOISTURE REMOVAL
AIR CIRCULATION
HIGH
Cooling and heating inverter
AW *Z24LBC
AO*Z24LBT
7.1 kW
8.5 kW
TYPE
INDOOR UNIT
OUTDOOR UNIT
COOLING CAPACITY
230 V 50 Hz
9.7 A
2.21 kW
3.0 L/hr
3.21 kW/kW
ELECTRICAL DATA
POWER SOURCE 230 V
HIGH SPEED 1,500 r.p.m. / 1,700 r.p.m.
HIGH2 1,700 r.p.m. / 1,850 r.p.m.
INDOOR UNIT
( cool / heat )
MED SPEED 1,370 r.p.m. / 1,540 r.p.m.
SUPER QUIET 1,030 r.p.m. / 1,120 r.p.m.
QUIET 1,130 r.p.m. / 1,260 r.p.m.
LOW SPEED 1,250 r.p.m. / 1,390 r.p.m.
OUTDOOR UNIT ( cool / heat ) 850 r.p.m. / 900 r.p.m.
FAN MOTOR
DIMENSIONS and WEIGHT
INDOOR UNIT H x W x D
OUTDOOR UNIT 830 x 900 x 330 mm
250 x 899 x 298 mm
INDOOR UNIT Gross / Net
H x W x D
Gross / NetOUTDOOR UNIT 70 kg / 62 kg
17.5 kg / 14 kg
REFRIGERANT CHARGE (R410A)
FULL CHARGE 2,100 g
15 m
20 m
25 m
30 m
Pipe Length
2,200 g
1,900 g
2,000 g
ADDITIONAL CHARGE 20 g/m
MAX PIPE LENGTH 30 m
COMPRESSOR
TYPE
DISCRIMINATION
REFRIGERANT R410A 1,900 g
5KD240XAD21
Hermetic type, DC Inverter,
Twin rotary
SPECIFICATIONS
HIGH SPEED
HIGH SPEED
880 m3/hr
980 m3/hr
47 dB / 47 dB
43 dB / 43 dB
40 dB / 40 dB
36 dB / 36 dB
32 dB / 32 dB
53 dB / 54 dB
HIGH2 49 dB / 49 dB
HIGH2 53 dB / 54 dB
INDOOR UNIT
( cool / heat )
MED SPEED
LOW SPEED
SUPER QUIET
QUIET
OUTDOOR UNIT
( cool / heat )
NOISE LEVEL
Note :
Noise was measured in accordance with JIS standards, Japan.
"HIGH2" means when ability measurement.
01-01

2 . DIMENSIONS
R410A
CEILING WALL type
INVERTER

(Unit : mm)
DIMENSIONS
INDOOR UNIT
02-01
Models : AW * Z24LBC
300
298
899
250
170
40

OUTDOOR UNIT
(unit : mm)
77900
830
21
9
400
33031 12
196
147
170
99
370
650
Air Flow
02-02
Models : AO * Z24LBT

3 . REFRIGERANT SYSTEM DIAGRAM
R410A
CEILING WALL type
INVERTER

REFRIGERANT SYSTEM DIAGRAM
2-Way valve
(Small)
3-Way valve
(Large)
Strainer
Strainer
Muffler
Pressure
switch
4-Way valve
Expansion valve
Heat exchanger
( INDOOR )
Heat exchanger
( OUTDOOR )
Sub-accumulator
Compressor
Refrigerant pipe diameter
Liquid : 1/4" (6.35 mm)
Gas : 5/8" (15.88 mm)
Cooling
Heating
03-01
Models : AW * Z24LBC / AO * Z24LBT