Fujitsu AW?Z24LBC 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