Fujitsu AWYZ14LBC Original operating manual

SPLIT TYPE
ROOM AIR CONDITIONER
CEILING WALL
type
Models Indoor unit Outdoor unit
AWYZ14LBC
AWYZ18LBC
AOYZ14LBC
AOYZ18LBC
INVERTER
SERVICE
INSTRUCTION
R410A

CONTENTS
1. SPECIFICATION
AWYZ14/18LBC, AOYZ14/18LBC...................................................................................
2. DIMENSIONS
AWYZ14/18LBC, AOYZ14/18LBC...................................................................................
3. REFRIGERANT SYSTEM DIAGRAM
AWYZ14/18LBC, AOYZ14/18LBC...................................................................................
4. CIRCUIT DIAGRAM
AWYZ14/18LBC, AOYZ14/18LBC...................................................................................
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. THERMISTOR RESISTANCE VALUES.....................................................................
4. CAPACITY/INPUT DATA...........................................................................................
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
08-08
08-09
09-01
09-14
07-10

1 . SPECIFICATIONS
R410A
CEILING WALL type
INVERTER

SPECIFICATIONS
TYPE (COOL&HEAT INVERTER) (COOL&HEAT INVERTER)
INDOOR UNIT AWYZ14LBC AWYZ18LBC
OUTDOOR UNIT AOYZ14LBC AOYZ18LBC
COOLING CAPACITY( ) : Range (kW) 4.2 (0.9~5.3) 5.2 (0.9~5.9)
HEATING CAPACITY( ) : Range (kW) 6.0 (0.9~9.1) 6.7 (0.9~9.7)
POWER SOURCE (V) 230
FREQUENCY (Hz) 50
RUNNING CURRENT (A) COOLING 4.5
5.9 7.2
1.63 (0.09~3.20)1.35 (0.09~2.95)
6.9
HEATING
INPUT WATTS (kW) COOLING 1.02 (0.09~1.75) 1.58 (0.09~2.00)
HEATING
EER (kW/kW) COOLING 4.12 3.29
4.44 4.11
2.8
HEATING
MOISTURE REMOVAL 2.1
AIR CIRCULATION-Hi (m3/hr) 850 850
ELECTRICAL DATA
COMPRESSOR
Note : Always use a vacuum pump to purge the air.
Refrigerant for purging the air is not charged in the outdoor unit at the factory.
DIMENSIONS
TYPE Hermetic type,4 pole, 3 phase , DC inverter motor, Rotary
DISCRIMINATION 808-907-80
REFRIGERANT R410A (g)
(r.p.m.)
(r.p.m.)
1,350 1,350
POWER SOURCE (V) 230
HI-SPEED
MED-SPEED
INDOOR UNIT
LO-SPEED
QUIET
C 1,300 H 1,390
C 1,120 H 1,200
C 950 H 1,000
C 700 H 760
C 1,300 H 1,390
C 1,120 H 1,200
C 950 H 1,000
C 700 H 760
OUTDOOR UNIT 800
INDOOR UNIT H x W x D (mm)
H x W x D (mm)
275 x 790 x 215
OUTDOOR UNIT 540 x 660 x 290
FAN MOTOR
(dB)
(dB)
HI-SPEED
MED-SPEED
INDOOR UNIT LO-SPEED
QUIET
C 46 H 46
OUTDOOR UNIT
NOISE LEVEL
20 m
15m chargeless, 20g/m (>15m)
WEIGHTS
INDOOR UNIT
OUTDOOR UNIT
808-907-80
( /hr)
C 46 H 46
C 43 H 39 C 43 H 39
C 35 H 34 C 35 H 34
C 29 H 29 C 29 H 29
S-QUIET C 24 H 24 C 24 H 24
C 46 H 47 C 47 H 48
Note : Noise was measured in accordance with JIS standards, Japan.
GROSS / NET (kg)
GROSS / NET (kg)
12 / 9
35 / 34 35 / 34
MAX PIPE LENGTH
ADDITIONAL REFRIGERANT
THICKNESSES OF ANNEALED COPPER PIPES
Nominal diameter
1/4
5/8
Outer diameter (mm)
6.35
12.7
R410A
0.80
0.80
[ref,] R22
0.80
0.80
Thickness (mm)
01-01

2 . DIMENSIONS
R410A
CEILING WALL type
INVERTER

DIMENSIONS
Models : AWYZ14LBC / AOYZ14LBC
AWYZ18LBC / AOYZ18LBC
02-01
(Unit : mm)
2,000
300
298
899
250
170
40
300
540 125
508
60
790
320
52
578
10
20

3 . REFRIGERANT SYSTEM DIAGRAM
R410A
CEILING WALL type
INVERTER

REFRIGERANT SYSTEM DIAGRAM
Models : AWYZ14LBC / AOYZ14LBC
AWYZ18LBC / AOYZ18LBC
03-01
Liquid pipe : 6.35 mm
Gas pipe : 12.7 mm
2-Way Valve
Strainer
Strainer
Muffler
Muffler
Receiver
Heat exchanger B
( INDOOR )
3-Way Valve
4-Way Valve
Pulse motor valve
Heat exchanger
( INDOOR )
Heat exchanger
( OUTDOOR )
Accumulator
Compressor
Cooling
Heating

4 . CIRCUIT DIAGRAM
R410A
CEILING WALL type
INVERTER