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Fujitsu Airstage V series Manuals
Manuals and User Guides for Fujitsu Airstage V series. We have
1
Fujitsu Airstage V series manual available for free PDF download: Service Manual
Fujitsu Airstage V series Service Manual (323 pages)
Multi Air Conditioning System for Buildings
Brand:
Fujitsu
| Category:
Air Conditioner
| Size: 65.04 MB
Table of Contents
1
Service Manual
2
Table of Contents
6
1 Test Run
7
Checking Items before Test Run
9
Test Run Method
9
Procedure
9
Turn Power on
9
Operation Check
10
Test Run from Outdoor PC Board
10
Test Run from Remote Controller
10
Standard Wired Remote Controller
10
Standard Wireless Remote Controller
11
Simple Remote Controller
11
Central Remote Controller
12
Test Run Control
12
When the Test Run Signal Is Transmitted from Standard Wired, Wireless Remote Controller, Simple Remote Controller and Central Remote Controller
12
When the Test Run Signal Is Transmitted from the Outdoor Unit
13
2 Function of Printed Circuit Board
14
PCB Layouts
14
Indoor Unit Control Circuit Board
14
Switch Position
15
Compact Wall Mounted Type
16
Outdoor Unit Control Circuit Board
17
Wired, Simple Remote Controller Circuit Board
18
Central Remote Controller Circuit Board
19
Network Convertor Circuit Board
20
Network Convertor (UTR-YLLA)
21
Signal Amplifier Circuit Board
22
Group Remote Controller Circuit Board
23
External Switch Controller Circuit Board
24
Microprocessor Function List
24
Indoor Unit
27
Outdoor Unit
28
Function and Setting of each Switch - Indoor Unit
28
SW1 Setting
28
SW2 Setting
28
Auto Restart Validity / Invalidity
29
SW3 Setting
30
SW4 Setting
30
SW5 Setting
30
Connected Outdoor Unit Series
30
Draft Prevention Setting Switch (Only for Cassette Type)
31
Rotary Switch Setting
31
SW6,7 Setting
31
SW8,9 Setting
31
External Input and Output
32
Function and Setting of each Switch - Indoor Unit (Compact Wall Mounted Type)
33
Wireless Remote Controller Custom Code Switch
33
Refrigerant Type
33
Indoor Unit Address Switch
34
Rotary Switch Settings
34
SW6 Setting - Indoor Unit Address Switch
34
SW7 Setting - Refrigerant Circuit Address Switch
34
SW9 Setting - Remote Controller Address Switch
35
Function and Setting of each Switch - Outdoor Unit
35
DIP Switch Setting
36
DIP SW Setting
36
Silent Operation Mode (Cooling Mode Only) (Setting for Master and Slave Unit)
36
Sequential Start Shift
37
Outdoor Unit Capacity Switch (Setting for each Unit. Never Change at the Site)
37
Number of Slave Unit
37
Error Reset (Setting for Master and Slave Unit)
38
Cooling Capacity Shift SW
38
Pipe Length Setting SW
38
System Type of the Outdoor Unit (Setting for Master and Slave Unit)
38
Indoor Unit Small Capacity Setting (Only for Master Unit)
39
Rotary Switch Setting (Setting for each Unit)
39
Set the Refrigerant Circuit Address
39
External Input and Output (Only for Master Unit)
40
Wired, Simple Remote Controller
40
Dual Remote Controller Setting
40
Group Control Setting
40
Model Setting
41
External Input Validity / Invalidity
41
External Input Select Edge / Pulse
41
Filter Sign Indication on / off
41
Central Remote Controller
42
Memory Backup Setting
42
SW42 Initial Setting Button
43
Network Convertor
44
DIP- SW103 (5, 6, 7, 8) Setting the Number of Connected Indoor Units
44
DIP-SW 107 Setting
44
DIP-SW 108 Setting
44
DIP-SW109 Setting
45
Signal Amplifier
45
Group Remote Controller
45
Set SW1 to on to Enable the Memory Backup
46
External Switch Controller
46
Delay-Time Setting
46
External Switch Controller and Remote Controller, or Dual External Switch Controllers Setting
47
Operation Mode Setting
47
Contact Input
47
Operation Conditions
48
DIP SW5-6 Setting Forbidden
49
External Input and Output - Indoor Unit
49
Control Input (Operation/Stop)
50
Output
51
External Input and Output - Indoor Unit (Compact Wall Mounted)
53
External Input and Output - Outdoor Unit
54
External Input and Output - Central Remote Controller/Pc Controller
54
Central Remote Controller / PC Controller
56
External Input and Output - Network Convertor
58
3 Inverter Control
59
DC Inverter Control Method
59
Inverter Block of Outdoor Unit
59
Voltage Conversion Chart
60
Basic Circuit of 3 Phase Inverter
60
PWM Control (General Consideration)
60
Rectangularwave Inverter
60
Sinewave Inverter (for V Series)
61
Circuit Description
61
Filter PCB
61
Current Transformer
61
IGBT (Insulated Gate Bipolar Transistor)
61
Power Relay & Resistor
61
Coil (Reactor)
62
Outdoor Unit Operation Control
63
4 Outdoor Unit Operation Control
63
Input / Output List
64
Compressor Operation
64
Operation / Stop Condition
64
Capacity Control
64
Target Low-Pressure and High-Pressure Control
65
Frequency Range of Start,Stop,And Operation (for DC Inverter Scroll Compressor)
65
Oil Return Control
66
Compressor Sequence Operation
67
Fan Control
67
Cooling Operation
67
Heating Operation
68
Expansion Valve Control
68
Special Operation
68
Snow Falling Protection Fan Mode
68
Oil Recovery Operation
69
Oil Balance Operation
70
Pre-Heat Operation
71
Defrost Operation Control
72
Protective Function List
74
5 Indoor Unit Operation
75
"AUTO" Position
75
Dry Operation
75
Fan Control Info
75
Fan Speed Setting
76
Master Control
76
Operation Mode Control
76
Auto Changeover
77
"COOL" Position
77
"Heat" Position
77
"FAN" Position
78
Louver Control
78
Vertical Air Direction Adjustment
79
Horizontal Air Direction Adjustment
79
Swing Operation
80
About Horizontal Airflow Swing Operation
80
About Vertical Airflow SWING Operation
80
To Select Horizontal Airflow SWING Operation
80
To Stop Horizontal Airflow SWING Operation
81
Drain Pump Operation
81
Electronic Expansion Valve Control
82
Function
82
Auto Restart
82
Icing Protection Control
82
Oil Recovery Operation
83
Timer Control
83
Wireless Remote Controller
83
Program Timer
83
Sleep Timer
85
Group Remote Controller Info
85
Weekly Timer
87
Wired Remote Controller
88
To Start/Cancel the WEEKLY Timer Operation
88
To Set the DAY off (for a Holiday)
89
To Set the Temperature SET BACK Timer
89
To Start/ Cancel the Temperature SET BACK Timer Operation
90
6 Trouble Shooting
91
Indoor Unit Display Troubleshooting
91
Normal Operation Troubleshooting
92
Outdoor Unit Display Troubleshooting
93
Operation Not Trouble
94
Abnormal Operation Troubleshooting
94
Error Indication Flashing Pattern
94
Indoor Unit Display
95
Remote Controller Troubleshooting
96
Outdoor Unit Display
97
System Condition When Outdoor Unit Error Is Occurred
97
Trouble Level of System
98
How to Trouble Shoot from the Symptom
99
Trouble Shooting with Error Code (INDOOR UNIT)
99
Troubleshooting 1 - Indoor Unit Error Method: Model Information Error
100
Troubleshooting 2 - Indoor Unit Error Method: Power Frequency Abnormal
101
Troubleshooting 3 - Indoor Unit Error Method: EEPROM Access Abnormal
102
Troubleshooting 4 - Indoor Unit Error Method: Indoor Temperature Sensor Error
103
Troubleshooting 5 - Indoor Unit Error Method: Heat Exchanger Inlet Sensor Error
104
Troubleshooting 6 - Indoor Unit Error Method: Heat Exchanger Middle Sensor Error
105
Troubleshooting 7 - Indoor Unit Error Method: Water Drain Abnormal
106
Troubleshooting 8 - Indoor Unit Error Method: Indoor Unit Fan Motor Abnormal
107
Troubleshooting 10 - Indoor Unit Error Method: Standard Wired Token Error
107
Troubleshooting 9 - Indoor Unit Error Method: Standard Wired Remote Error
108
Troubleshooting 11 - Indoor Unit Error Method: Communication Error between Controller PCB and Transmission PCB
109
Troubleshooting 12 - Indoor Unit Error Method: Network Communication Error
110
Troubleshooting 12-A - Indoor Unit Error Method: Indoor Unit Number Shortage Error
111
Trouble Shooting with Error Code (OUTDOOR UNIT)
111
Troubleshooting 13 - OUTDOOR UNIT Error Method: Compressor 1 Abnormal (Inverter Compressor)
112
Troubleshooting 13 - OUTDOOR UNIT Error Method: Compressor 1 Abnormal (Constant Speed)
114
Troubleshooting 14 - OUTDOOR UNIT Error Method: Compressor 2 Abnormal (Constant Speed)
116
Troubleshooting 15 - OUTDOOR UNIT Error Method: Compressor 3 Abnormal (Constant Speed)
118
Troubleshooting 16 - OUTDOOR UNIT Error Method: Discharge Temperature 1 Error
119
Troubleshooting 17 - OUTDOOR UNIT Error Method: Discharge Temperature 2 Error
120
Troubleshooting 18 - OUTDOOR UNIT Error Method: Discharge Temperature 3 Error
121
Troubleshooting 19 - OUTDOOR UNIT Error Method: High Pressure Error
122
Troubleshooting 20 - OUTDOOR UNIT Error Method: Low Pressure Error
123
Troubleshooting 21 - OUTDOOR UNIT Error Method: Pump down Error
124
Troubleshooting 22 - OUTDOOR UNIT Error Method: Discharge Temp. Sensor 1 Error
125
Troubleshooting 23 - OUTDOOR UNIT Error Method: Discharge Temp. Sensor 2 Error
126
Troubleshooting 24 - OUTDOOR UNIT Error Method: Discharge Temp. Sensor 3 Error
127
Troubleshooting 25 - OUTDOOR UNIT Error Method: Heat Ex. Liquid Temp. Sensor Error
128
Troubleshooting 26 - OUTDOOR UNIT Error Method: RCV Liquid Surface Sensor 1 (Lower Limit) Error
129
Troubleshooting 27 - OUTDOOR UNIT Error Method: RCV Liquid Surface Sensor 2 (Middle Limit) Error
130
Troubleshooting 28 - OUTDOOR UNIT Error Method: RCV Liquid Surface Sensor 3 (Higher Limit) Error
131
Troubleshooting 29-1 - OUTDOOR UNIT Error Method: SC Heat Exchanger Outlet Temp Sensor Error
132
Troubleshooting 30 - OUTDOOR UNIT Error Method: Liquid Pipe Temp. Sensor 1 Error
133
Troubleshooting 31 - OUTDOOR UNIT Error Method: Liquid Pipe Temp. Sensor 2 Error
134
Troubleshooting 32 - OUTDOOR UNIT Error Method: Suction Gas Temp. Sensor Error
135
Troubleshooting 33 - OUTDOOR UNIT Error Method: Outdoor Temperature Sensor Error
136
Troubleshooting 34 - OUTDOOR UNIT Error Method: Discharge Pressure Sensor Error
136
Troubleshooting 35 - OUTDOOR UNIT Error Method: Suction Pressure Sensor Error
137
Troubleshooting 36 - OUTDOOR UNIT Error Method: Current Sensor Error (Only for Master Unit)
138
Troubleshooting 37 - OUTDOOR UNIT Error Method: Reverse Phase/Missing Phase Error
139
Troubleshooting 38 - OUTDOOR UNIT Error Method: Inverter Error (Only for Main Unit)
140
Troubleshooting 39 - OUTDOOR UNIT Error Method: EEPROM Access Error
141
Troubleshooting 40 - OUTDOOR UNIT Error Method: Inverter Start-Up Current Error (Only for Main Unit)
142
Troubleshooting 41 - OUTDOOR UNIT Error Method: Inverter Normal Current Error (Only for Main Unit)
143
Troubleshooting 42 - OUTDOOR UNIT Error Method: Inverter Communication Error (Only for Main Unit)
144
Troubleshooting 43 - OUTDOOR UNIT Error Method: Parallel Communication Error
145
Troubleshooting 44 - OUTDOOR UNIT Error Method: Communication Error between Outdoor Units
146
Troubleshooting 45 - OUTDOOR UNIT Error Method: Network Communication Error (Only for Main Unit)
147
Troubleshooting 46 - OUTDOOR UNIT Error Method: Main/Slave Unit Setting Error (Only for Slave Unit)
147
Troubleshooting 47 - OUTDOOR UNIT Error Method: Slave Unit Error (Only for Main Unit)
148
Troubleshooting 48 - OUTDOOR UNIT Error Method: Initial Setting Error
149
Troubleshooting 49 - OUTDOOR UNIT Error Method: 4-Way Valve Error
150
Troubleshooting 50 - OUTDOOR UNIT Error Method: All Compressors Abnormal of 1 Unit
151
Trouble Shooting with no Error Code
151
Troubleshooting 51: Indoor Unit - no Power
152
Troubleshooting 52: Outdoor Unit - no Power
153
Troubleshooting 53: no Operation (Power Is On)
154
Troubleshooting 54: no Cooling or no Heating
155
Troubleshooting 55: Abnormal Noise
155
Troubleshooting 56: Water Leaking
156
Trouble Shooting 57 - Error Contents: Power Supply Error
156
Trouble Shooting 58 - Error Contents: the Abnormality in Connection of Remote Controller Cable
156
Trouble Shooting for Optional Parts
157
Trouble Shooting 60 - Error Contents: Switch Operation Error
157
Trouble Shooting 60 - Error Contents: Transmission Error
158
Trouble Shooting 61 - Error Contents: Power Supply Error
158
Trouble Shooting 62 - Error Contents: Communication Error
159
Troubleshooting 63 - Error Contents: Address Setting Error
159
Troubleshooting 64 - Error Contents: Parallel Communication Error B
159
Troubleshooting 65 - Error Contents: Parallel Communication Error a
160
Troubleshooting 66 - Error Contents: Communication Error B
160
Troubleshooting 67 - Error Contents: Communication Error a
161
Troubleshooting 69 - Error Contents: PCB Error 2
162
Troubleshooting 70 - Error Contents: Communication Error with Group Remote Controller
163
Troubleshooting 71 - Error Contents: Communication Error with VRF System
164
Troubleshooting 72 - Error Contents: Software Error
165
Troubleshooting 73 - Error Contents: PCB Error 1
165
Troubleshooting 74 - Error Contents: PCB Error 2
166
Troubleshooting 75 - Error Contents: Communication Error with Standard Remote Controller
167
Troubleshooting 76 - Error Contents: Communication Error with Indoor Unit
168
Troubleshooting 77 - Error Contents: Communication Error with VRF System
169
Troubleshooting 78 - Error Contents: Software Error
169
Troubleshooting 79 - Error Contents: Indoor/Outdoor Unit Error
170
Troubleshooting 80 - Error Contents: PCB Error
171
Troubleshooting 81 - Error Contents: Connection Error
171
Troubleshooting 82 - Error Contents: Address Setting Error
172
Troubleshooting 83 - Error Contents: System Error
172
Troubleshooting 84 - Error Contents: Transmission Error
173
Troubleshooting 85 - Error Contents: Unit Not Detected
174
Service Information
174
Cooling Backup Operation
175
Backup Operation When Compressor of the Slave Unit 1 Is Defective
176
Heating Backup Operation
176
Backup Operation When Compressor of the Master Unit Is Defective
177
Backup Operation When the Compressor of the Slave Unit 1 Is Defective
178
Work Procedure after the Backup Operation
178
Refrigerant Shortage at the Backup Operation
178
Refrigerant Charging after the Compressor Replacement
179
Diagnosis Method of Compressor
179
Service Parts Information
180
Constant Speed Compressor
181
Inverter Compressor
182
Inverter PCB, Noise Filter PCB
183
Indoor Unit Electronic Expansion Valve (EEV)
184
Indoor Unit Electronic Expansion Valve (EEV1)
185
Indoor Unit Electronic Expansion Valve (EEV2)
186
Outdoor Unit Solenoid Valve (SV1, SV2, SV3, SV6, SV7, SV8, SV8-2, SV8-3)
186
Protection Function
187
Normal Operation
187
Outdoor Unit Solenoid Valve (SV4,SV5)
187
Protection Function
188
4-Way Valve
189
Check Point : ABYA12 / 14LATF
189
Check Point : ABYA18LATF
189
Check Point : ABYA24LATF
189
Indoor Unit Fan Motor
190
Check Point : ABYA30 / 36 / 45 / 54LATF
190
Check Point : AUXB07 / 09LATF
190
Check Point : AUXB12 / 14LATF
191
Check Point : AUXB18LATF
191
Check Point : AUYA20 / 25 / 30LJATF
191
Check Point : AUYA36 / 45 / 54LATF
192
Check Point : ARXB07 / 09LALF
192
Check Point : ARXB12 /14LALF
192
Check Point : ARXB18LALF
193
Check Point : ARXB25 / 30LATF
193
Check Point : ARXB36LATF, ARXA25 / 30LATF
193
Check Point : ARXB45LATF
194
Check Point : ARXA36 / 45LATF
194
Check Point : ARXC36LATF
194
Check Point : ARXC45 / 60LATF
195
Check Point : ARXC90LATF
195
Check Point : ASYA18 / 24 / 30LATF
196
Check Point : AJ*126L / AJ*126U
196
Check Point : AJ*A90/72L / AJ*A90/72U
196
Outdoor Unit Fan Motor
197
Reactor
197
Resistor, Cement
198
Diode Bridge (Mounted on Transistor PCB)
199
Appending Data (Unit)
200
Refrigerant Pipe System Diagram - Models: AJ *A72LBTF ,AJ*A90LBTF ,AJ*A72UBTF , AJ *A90UBTF
202
Refrigerant Pipe System Diagram - Models: AJ *126LBTF , AJ *126UBTF
204
Characteristics of Sensors
204
Pressure Sensor
204
Check Point of Replacing Pressure Sensor
205
Thermistor Resistance Values (Outdoor Unit Side)
206
Thermistor Resistance Values (Indoor Unit Side)
207
Wiring Diagram
207
Compact Cassette Type Wiring Diagram
207
Indoor Unit
210
Compact Duct Type Wiring Diagram
211
Low Static Pressure Duct Type Wiring Diagram
212
Duct Type Wiring Diagram
213
High Static Pressure Duct Type Wiring Diagram
215
Floor/Ceiling Type Wiring Diagram
216
Ceiling Type Wiring Diagram
217
Compact Wall Mounted Type (Comfort Model) Wiring Diagram
218
Wall Mounted Type Wiring Diagram
219
Ceiling Wall Type Wiring Diagram
220
Outdoor Unit Wiring Diagram
224
Outdoor Internal Layout
227
Control Box (Inverter) Layout (for AJ*126LBTF/ AJ*A90LBTF/ AJ*A72LBTF)
227
Control Box Layout (for AJ*126LATF)
228
Control Box Layout (for AJ*126UBTF)
228
Control Box Layout (for AJ*A90UBTF/ AJ*A72UBTF)
229
Model Designation
230
Disassembly Illustration and Parts List
231
Outdoor Unit Exploded View - Model: AJ*126LBTF
237
Outdoor Unit Exploded View - Model: AJ*126UBTF
242
Outdoor Unit Exploded View - Model: AJ*A90LBTF, AJ*A72LBTF
248
Outdoor Unit Exploded View - Model: AJ*A90UBTF, AJ*A72UBTF
253
Indoor Unit Exploded View - Models: AUXB07, AUXB09, AUXB12, AUXB14, AUXB18
257
Indoor Unit Exploded View - Models: UTG-UD*D-W
258
Indoor Unit Exploded View - Models: AU*A20, AU*A25, AU*A30
263
Indoor Unit Exploded View - Models: AU*A36, AU*A45, AU*A54
268
Indoor Unit Exploded View - Models: ARXB07, ARXB09
270
Indoor Unit Exploded View - Models: ARXB12, ARXB14, ARXB18
272
Indoor Unit Exploded View - Models: ARXB07, ARXB09, ARXB12, ARXB14, ARXB18
273
Indoor Unit Exploded View - Models: ARXB25, ARXB30, ARXB36, ARXB45, ARXA25, ARXA30, ARXA36, ARXA45
276
Indoor Unit Exploded View - Models: ARXC36, ARXC45, ARXC60
277
Indoor Unit Exploded View - Models: ARXC45, ARXC60
280
Indoor Unit Exploded View - Models: ARXC90
284
Indoor Unit Exploded View - Models: AB*A12, AB*A14, AB*A18, AB*A24
291
Indoor Unit Exploded View - Models: AB*A30, AB*A36, AB*A45, AB*A54
293
Indoor Unit Exploded View - Models: AB*A30/ AB*A36, AB*A45, AB*A54
297
Indoor Unit Exploded View - Models: AS*E07, AS*E09, AS*E12, AS*E14
300
Indoor Unit Exploded View - Models: AS*A18, AS*A24, AS*A30
303
Indoor Unit Exploded View - Models: AS*A18, AS*A24
305
Indoor Unit Exploded View - Models: AW*A07, AW*A09, AW*A12, AW*A14, AW*A18, AW*A24, AW*A30
309
Indoor Unit Exploded View - Models: AW*A07, AW*A09
311
Standard Accessories - Models: AUXB07, AUXB09, AUXB12, AUXB14, AUXB18
311
Standard Accessories - Models: UTG-UD*D-W
312
Standard Accessories - Models: AU*A20, AU*A25, AU*A30, AU*A36, AU*A45, AU*A54
313
Standard Accessories - Models: ARXB07, ARXB09, ARXB12, ARXB14, ARXB18
314
Standard Accessories - Models: ARXB25, ARXB30, ARXB36, ARXB45, ARXA25, ARXA30, ARXA36, ARXA45
315
Standard Accessories - Models: ARXC36, ARXC45, ARXC60
316
Standard Accessories - Models: ARXC90
317
Standard Accessories - Models: AB*A12, AB*A14, AB*A18, AB*A24
318
Standard Accessories - Models: AB*A30, AB*A36, AB*A45, AB*A54
319
Standard Accessories - Models: AS*E07, AS*E09, AS*E12, AS*E14
320
Standard Accessories - Models: AS*A18, AS*A24, AS*A30
321
Standard Accessories - Models: AW*A07, AW*A09, AW*A12, AW*A14, AW*A18, AW*A24, AW*A30
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