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AJ 126LELDH Series
Fujitsu AJ 126LELDH Series User Manual
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DESIGN & TECHNICAL MANUAL
2
Table of Contents
3. Outdoor Units
140
Table of Contents
140
Model Lineup
141
Stand-Alone
141
Specifications
142
Stand-Alone
142
Dimensions
144
Stand-Alone
144
Installation Space
150
Space Requirement
151
Duct Installation
154
Refrigerant Circuit
158
Models: AJ072LELDH, AJ090LELDH, and AJ108LELDH
158
Models: AJ126LELDH and AJ144LELDH
159
Model: AJ162LELDH
160
Symbol Description
161
Wiring Diagrams
162
Models: AJ072LELDH and AJ090LELDH
162
Model: AJ108LELDH
163
Models: AJ126LELDH and AJ144LELDH
164
Model: AJ162LELDH
165
Operation Range
166
Outdoor Unit
166
Indoor Unit
166
Operation Noise (Sound Pressure)
167
Noise Level Curve
167
Sound Level Check Point
170
Electrical Characteristics
171
Stand-Alone
171
Safety Devices
172
Accessories
173
11-1.Stand-Alone
173
4. Indoor Units
176
Model Lineup
181
Compact Cassette Type
184
Specifications
184
4-Way Flow Cassette Type
186
Circular Flow Cassette Type
189
Flow Cassette Type
192
One Way Flow Cassette Type
193
Low Static Pressure Duct (Mini Duct) Type
195
Low Static Pressure Duct (Slim Duct)/Slim Concealed Floor Type
197
Low Static Pressure Duct Type (High Efficiency)
199
Medium Static Pressure Duct Type
200
High Static Pressure Duct Type
201
Compact Floor Type
203
Compact Floor Type (EEV External Model)
205
Floor/Ceiling Type
207
Ceiling Type
208
Wall Mounted Type
209
Wall Mounted Type (EEV External Model)
212
Electrical Characteristics
214
Compact Cassette Type
216
Dimensions
216
4-Way Flow Cassette Type
218
Circular Flow Cassette Type
221
Flow Cassette Type
224
One Way Flow Cassette Type
226
Low Static Pressure Duct (Mini Duct) Type
229
Low Static Pressure Duct (Slim Duct)/Slim Concealed Floor Type
233
Low Static Pressure Duct Type (High Efficiency)
238
Medium Static Pressure Duct Type
240
High Static Pressure Duct Type
242
Compact Floor Type
247
Floor/Ceiling Type
249
Ceiling Type
251
Wall Mounted Type
253
Compact Cassette Type
259
Wiring Diagrams
259
4-Way Flow Cassette Type
260
Circular Flow Cassette Type
261
Flow Cassette Type
262
One Way Flow Cassette Type
263
Low Static Pressure Duct (Mini Duct) Type
264
Low Static Pressure Duct (Slim Duct)/Slim Concealed Floor Type
265
Low Static Pressure Duct Type (High Efficiency)
266
Medium Static Pressure Duct Type
267
High Static Pressure Duct Type
268
Compact Floor Type
270
Compact Floor Type (EEV External Model)
271
Floor/Ceiling Type
272
Ceiling Type
273
Wall Mounted Type
274
Wall Mounted Type (EEV External Model)
277
Air Velocity and Temperature Distributions
278
Compact Cassette Type
278
4-Way Flow Cassette Type
292
Circular Flow Cassette Type
299
Flow Cassette Type
307
One Way Flow Cassette Type
319
Low Static Pressure Duct (Mini Duct) Type
331
Low Static Pressure Duct (Slim Duct)/Slim Concealed Floor Type
341
Compact Floor Type
353
Floor/Ceiling Type
357
Ceiling Type
363
Wall Mounted Type
367
Fan Performance Curve
376
Low Static Pressure Duct (Mini Duct) Type
376
Low Static Pressure Duct (Slim Duct)/Slim Concealed Floor Type
390
Low Static Pressure Duct Type (High Efficiency)
402
Medium Static Pressure Duct Type
408
High Static Pressure Duct Type
416
Fresh Air Characteristics
426
Airflow
430
Compact Cassette Type
430
4-Way Flow Cassette Type
431
Circular Flow Cassette Type
432
Flow Cassette Type
433
One Way Flow Cassette Type
434
Low Static Pressure Duct (Mini Duct) Type
435
Low Static Pressure Duct (Slim Duct)/Slim Concealed Floor Type
436
Low Static Pressure Duct Type (High Efficiency)
437
Medium Static Pressure Duct Type
438
High Static Pressure Duct Type
439
Compact Floor Type
440
Compact Floor Type (EEV External Model)
441
Floor/Ceiling Type
442
Ceiling Type
443
Wall Mounted Type
444
Wall Mounted Type (EEV External Model)
445
Compact Cassette Type
446
Noise Level Curve
446
4-Way Flow Cassette Type
448
Circular Flow Cassette Type
450
Flow Cassette Type
452
One Way Flow Cassette Type
453
Low Static Pressure Duct (Mini Duct) Type
455
Low Static Pressure Duct (Slim Duct)/Slim Concealed Floor Type
457
Low Static Pressure Duct Type (High Efficiency)
459
Medium Static Pressure Duct Type
460
High Static Pressure Duct Type
461
Compact Floor Type
464
Compact Floor Type (EEV External Model)
465
Floor/Ceiling Type
467
Ceiling Type
468
Wall Mounted Type
469
Wall Mounted Type (EEV External Model)
472
Sound Level Check Point
474
Safety Devices
476
10-13.Floor/Ceiling Type
479
Standard Accessories
480
11-8.Low Static Pressure Duct Type (High Efficiency)
487
11-9.Medium Static Pressure Duct Type
488
11-10.High Static Pressure Duct Type
489
11-11.Compact Floor Type
491
11-12.Floor/Ceiling Type
492
11-13.Ceiling Type
494
11-14.Wall Mounted Type
495
5. Control System
498
Control System
501
Control System Design Example
501
System Configuration Examples
502
Features of Control System
511
Wiring System
512
Control Device Design Limitation
513
Control Units
515
System Controller (UTY-APGXZ1)
515
System Controller Lite (UTY-ALGXZ1)
519
Touch Panel Controller (UTY-DTGZ1)
524
Central Remote Controller (UTY-DCGZ)
537
Group Remote Controller (UTY-CGG)
546
Wired Remote Controller (Touch Panel: UTY-RNRZ)
550
Wired Remote Controller (UTY-RLR)
557
Wired Remote Controller (UTY-RCRZ1)
563
Wired Remote Controller (UTY-RNK)
567
Simple Remote Controller (with Operation Mode: UTY-RSR)
572
Simple Remote Controller (with Operation Mode: UTY-RSK)
577
Simple Remote Controller (Without Operation Mode: UTY-RHR)
582
Simple Remote Controller (Without Operation Mode: UTY-RHK)
587
Wireless Remote Controller (UTY-LNH)
592
IR Receiver Unit (UTB-YWC)
596
IR Receiver Unit (UTY-TRHX)
599
IR Receiver Unit (for Cassette Type: UTY-LRHB1)
602
IR Receiver Unit (for Circular Flow Cassette Type: UTY-LBHXD)
604
Human Sensor Kit (for Circular Flow Cassette Type: UTY-SHZXC)
606
Remote Sensor Unit (UTY-XSZX)
608
Group Control Method
610
Comparison Table of Controllers
612
Adaptor/Convertor Units
614
Network Converter (UTY-VTGX)
614
Network Converter (UTY-VTGXV)
620
Network Converter (UTY-VGGXZ1)
626
Network Converter for Lonworks (UTY-VLGX)
631
KNX Converter for VRF (UTY-VKGX)
640
KNX Converter for Indoor Unit (UTY-VKSX)
647
Modbus Converter for VRF (UTY-VMGX)
653
Modbus Converter for Indoor Unit (UTY-VMSX)
660
Bacnet Gateway (Hardware: UTY-VBGX)
666
Bacnet Gateway (Software: UTY-ABGXZ1)
674
Wireless LAN Adapter (UTY-TFSXZ1)
679
Signal Amplifier (UTY-VSGXZ1)
685
External Switch Controller (UTY-TERX)
690
External Switch Controller (UTY-TEKX)
700
Service and Web Monitoring Tool
706
Service Tool (UTY-ASGXZ1)
706
Web Monitoring Tool (UTY-AMGXZ1)
710
6. System Design
714
Refrigerant System
715
System Design
715
VRF Network System
718
Installation Place
725
Important Items When Using Refrigerant (R410A)
728
Piping Design
728
Piping Limitation
731
Pipe Size
733
Selection of Pipe Heat Insulating Material
740
Additional Charge Calculation
741
Piping Design Example
743
Piping Connection
747
Piping to Outdoor Unit
749
EV Kit
752
Separation Tube
756
Header
760
Electrical Wiring
763
Wiring Design
763
Power Supply Cable
765
Transmission Cable
769
Controller Cable
777
Drain Connection
779
Outdoor Unit
779
Indoor Unit
780
7. Function Settings
796
System Settings
797
System Type Setting
798
Address Setting
800
Manual Address Setting Method
805
Address Setting by Remote Controller
812
Automatic Address Setting
851
Terminal Resistor Setting
859
Indoor Unit Connection Check
860
Function Settings
862
Setting on Outdoor Unit PCB
863
Setting on Indoor Unit PCB
870
Setting by Service Tool (UTY-ASGXZ1)
879
Indoor Unit (Setting by Wireless Remote Controller)
883
Indoor Unit (Setting by UTY-RNK)
889
Indoor Unit (Setting by UTY-RSR, UTY-RHR)
892
Indoor Unit (Setting by UTY-RSK, UTY-RHK)
895
Indoor Unit (Setting by UTY-RNRZ)
898
Indoor Unit (Setting by UTY-RLR)
901
Function Details
904
Wired Remote Controller (UTY-RNK)
908
Simple Remote Controller (UTY-RSK, UTY-RHK)
910
Group Remote Controller
912
Touch Panel Controller
914
Central Remote Controller (UTY-DCGZ)
915
Wired Remote Controller (Touch Panel)
917
Wired Remote Controller (UTY-RLR)
921
Simple Remote Controller (UTY-RSR, UTY-RHR)
923
Network Convertor (UTY-VTGX, UTY-VTGXV)
925
Network Convertor (UTY-VGGXZ1)
927
Signal Amplifier
929
KNX Convertor for VRF
931
KNX Convertor for Indoor Unit
933
Modbus Converter for VRF
934
Modbus Converter for Indoor Unit
937
Network Converter for Lonworks
939
Duct Static Pressure Setting
940
Administrative Indoor Unit Setting
942
Energy Saving Setting on System Controller
944
Electricity Charge Apportionment Setting (System Controller, Touch Panel Controller)
950
8. External Input and Output
968
Design Precautions
969
Component Location
970
Outdoor Unit
970
External Input
971
Wiring Specifications
971
External Output
973
Optional Parts
974
Function Summary of Outdoor Unit External Input/Output
975
Indoor Unit
976
External Input
977
External Output
990
Optional Parts
993
Function Summary of Indoor Unit External Input and Output
994
Controller
995
Touch Panel Controller
995
Central Remote Controller (UTY-DCGZ)
1000
Function Summary of Controller External Input/Output
1006
9. Notes
1010
Introduction
1011
Refrigerant Leakage Caution
1011
Checking Concentration Limit
1012
Refrigerant Concentration Countermeasures
1014
Indoor Unit Installation Precautions
1015
Installation Precautions
1015
Outdoor Unit Installation Precautions
1019
Compatibility of Controller System
1020
Compatibility of VRF System
1020
Compatibility of Adapter/Convertor/Maintenance Tool
1023
About Connection between Series
1025
Piping Connection
1025
Wiring Connection
1026
10. Optional Parts
1030
Applicable Models
1031
Dimensions
1031
EV Kit
1031
Specifications
1031
Accessories
1032
Connection Capacity
1033
Separation Tube
1033
Dimensions
1034
Connection Capacity
1037
Header
1037
Dimensions
1038
Central Control
1042
Controllers
1042
Individual Control
1042
Adapter/Converter/Maintenance Tool
1044
Cassette Grille
1046
Others
1047
Parts List
1047
Applicable Parts
1051
Drain Pump Unit for Duct Type
1057
Optional Parts Installation
1057
Drain Pump Unit for Ceiling Type
1061
Fresh Air Intake Kit for Compact Cassette Type
1062
Fresh Air Intake Kit for Circular Flow Cassette Type and 4-Way Flow Cassette Type
1072
Auto Louver Grille Kit
1082
External Power Supply Unit (UTZ-GXXA)
1086
External Power Supply Unit (UTZ-GXXC)
1089
4
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Fujitsu AJ 126LELDH Series Specifications
General
Brand
Fujitsu
Model
AJ 126LELDH Series
Category
Air Conditioner
Language
English
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