Fujitsu AIRSTAGE AJ 126LELDH Series Service manual

DESIGN & TECHNICAL MANUAL

CONTENTS
1. GENERAL INFORMATION
2. MODEL SELECTION
3. OUTDOOR UNITS
4. INDOOR UNITS
5. CONTROL SYSTEM
6. SYSTEM DESIGN
7. FUNCTION SETTINGS
8. EXTERNAL INPUT AND OUTPUT
9. NOTES
10. OPTIONAL PARTS

1. GENERAL INFORMATION
2020.09.11
DV_CH01_J3LE050EF_06

CONTENTS
1. GENERAL INFORMATION
1. Outdoor unit and indoor unit lineup ..........................................................01-1
1-1. Outdoor units..................................................................................................................01-1
1-2. Indoor units.....................................................................................................................01-3
2. Optional parts..............................................................................................01-8
2-1. Controllers ......................................................................................................................01-8
2-2. Adapter/Converter/Maintenance tool ............................................................................01-12
2-3. Branch kit .....................................................................................................................01-14
2-4. EV kit ............................................................................................................................01-15
2-5. Cassette grille...............................................................................................................01-16
2-6. Others...........................................................................................................................01-17

1. Outdoor unit and indoor unit lineup
NOTE: Information on models not mentioned here is available on our Pocket or Pocket Portal as
the back number.
1-1. Outdoor units
¢Stand-alone
Lineup from 8 HP to 18 HP in 2 HP increments.
HP Cooling capacity (kW) Model name Connectable indoor
unit
8 22.4 AJ072LELDH 1 to 20
10 28.0 AJ090LELDH 1 to 25
12 33.5 AJ108LELDH 1 to 30
HP Cooling capacity (kW) Model name Connectable indoor
unit
14 40.0 AJ126LELDH 1 to 36
16 45.0 AJ144LELDH 1 to 40
18 50.0 AJ162LELDH 1 to 42
1-1. Outdoor units - (01-1) - 1. Outdoor unit and indoor unit lineup
GENERAL INFORMATION GENERAL INFORMATION

¢Model designation
Column 1 2 3 4 5 6 7 8 9 10 11
Code A J Y 0 7 2 L E L D H
Column Item Description
1Type AJ: Outdoor unit
2
3 Brand H: General
Y: Fujitsu
4
Capacity
072: 22.4 kW
090: 28.0 kW
5108: 33.5 kW
126: 40.0 kW
6144: 45.0 kW
162: 50.0 kW
7 Function L: Inverter
8 Function E: 3 Phase
9Model change code LD
10
11 Series name H
1-1. Outdoor units - (01-2) - 1. Outdoor unit and indoor unit lineup
GENERAL INFORMATION GENERAL INFORMATION

1-2. Indoor units
Type Capacity
kW 1.1 2.2 2.8 3.6 4.0/4.5 5.6 7.1 9.0 10.0 11.2 12.5 14.0 18.0 22.4 25.0 28.0
Model code 04 07 09 12 14 18 24 30 34 36 45 54 60 72 90 96
Compact cas-
sette ●●●●●●●
4-way flow cas-
sette ●●●●●●●
Circular flow cas-
sette ●●●●●●●
3D flow cassette ● ●
One way flow
cassette ●●●●●●●
Low static pres-
sure duct
(Mini duct)
●●●●●●●
Low static pres-
sure duct
(Slim duct)
/Slim concealed
floor
●●●●●●
Low static pres-
sure duct
(High efficiency)
● ●
Medium static
pressure duct ● ● ● ●
High static pres-
sure duct ● ● ● ● ● ●
Compact floor ● ● ● ● ●
Compact floor
(EEV external) EV kit
●●●●●
Floor/Ceiling ● ● ● ●
Ceiling ● ● ● ●
Wall mounted ● ● ● ● ● ● ● ● ●
Wall mounted
(EEV external) EV kit ●●●●●
1-2. Indoor units - (01-3) - 1. Outdoor unit and indoor unit lineup
GENERAL INFORMATION GENERAL INFORMATION

Type Rated capacity (kW) Model name Dimensions Remarks
Cooling Heating H × W × D
Compact cassette
1.1 1.3 AUXB004GLEH
245 × 570 × 570
Cassette grille:
UTG-UFE-W
UTG-UFC-W
2.2 2.8 AUXB007GLEH
2.8 3.2 AUXB009GLEH
3.6 4.1 AUXB012GLEH
4.5 5.0 AUXB014GLEH
5.6 6.3 AUXB018GLEH
7.1 8.0 AUXB024GLEH
4-way flow
cassette
5.6 6.3 AUXD18GALH 246 × 840 × 840
Cassette grille:
UTG-UGA-W
7.1 8.0 AUXD24GALH
9.0 10.0 AUXA30GALH
288 × 840 × 840
10.0 11.2 AUXA34GALH
11.2 12.5 AUXA36GALH
12.5 14.0 AUXA45GALH
14.0 16.0 AUXA54GALH
Circular flow
cassette
5.6 6.3 AUXM018GLEH
246 × 840 × 840
Cassette grille:
UTG-UKC-W
UTG-UKA-B
7.1 8.0 AUXM024GLEH
9.0 10.0 AUXM030GLEH
5.6 6.3 AUXK018GLEH
288 × 840 × 840
7.1 8.0 AUXK024GLEH
9.0 10.0 AUXK030GLEH
10.0 11.2 AUXK034GLEH
11.2 12.5 AUXK036GLEH
12.5 14.0 AUXK045GLEH
14.0 16.0 AUXK054GLEH
3D flow cassette 5.6 6.3 AUXS018GLEH 200 × 1,240 × 500 Cassette grille:
UTG-USA-W
7.1 8.0 AUXS024GLEH
One way flow
cassette
1.1 1.3 AUXV004GLEH
198 × 785 × 570 Cassette grille:
UTG-UNA-W
2.2 2.8 AUXV007GLEH
2.8 3.2 AUXV009GLEH
3.6 4.0 AUXV012GLEH
4.5 5.0 AUXV014GLEH
198 × 1,190 × 570 Cassette grille:
UTG-UNB-W
5.6 6.3 AUXV018GLEH
7.1 8.0 AUXV024GLEH
Low static
pressure duct
(Mini duct)
1.1 1.3 ARXK004GLGH
198 × 700 × 450
2.2 2.8 ARXK007GLGH
2.8 3.2 ARXK009GLGH
3.6 4.0 ARXK012GLGH
4.5 5.0 ARXK014GLGH
5.6 6.3 ARXK018GLGH 198 × 900 × 450
7.1 8.0 ARXK024GLGH 198 × 1,100 × 450
Low static
pressure duct
(Slim duct)
/Slim concealed
floor
2.2 2.8 ARXD007GLEH
198 × 700 × 620
2.8 3.2 ARXD009GLEH
3.6 4.0 ARXD012GLEH
4.5 5.0 ARXD014GLEH
5.6 6.3 ARXD018GLEH 198 × 900 × 620
7.1 8.0 ARXD024GLEH 198 × 1,100 × 620
Low static
pressure duct
(High efficiency)
5.6 6.3 ARXP018GLFH
270 × 1,135 × 700
9.0 10.0 ARXP030GLFH
Medium static
pressure duct
7.1 8.0 ARXA024GLEH
270 × 1,135 × 700
9.0 10.0 ARXA030GLEH
11.2 12.5 ARXA036GLEH
12.5 14.0 ARXA045GLEH
1-2. Indoor units - (01-4) - 1. Outdoor unit and indoor unit lineup
GENERAL INFORMATION GENERAL INFORMATION

Type Rated capacity (kW) Model name Dimensions Remarks
Cooling Heating H × W × D
High static
pressure duct
11.2 12.5 ARXC036GTEH
400 × 1,050 × 50012.5 14.0 ARXC045GTEH
18.0 20.0 ARXC060GTEH
22.4 25.0 ARXC072GTEH 450 × 1,587 × 700
25.0 28.0 ARXC090GTEH
28.0 31.5 ARXC096GTEH 550 × 1,587 × 700
Compact floor
1.1 1.3 AGA004GCGH
600 × 740 × 200
2.2 2.8 AGA007GCGH
2.8 3.2 AGA009GCGH
3.6 4.0 AGA012GCGH
4.0 4.5 AGA014GCGH
Compact floor
(EEV external)
1.1 1.3 AGE004GCEH
600 × 740 × 200
EV kit:
UTR-EV09XB
2.2 2.8 AGE007GCEH
2.8 3.2 AGE009GCEH
3.6 4.0 AGE012GCEH EV kit:
UTR-EV14XB
4.0 4.5 AGE014GCEH
Floor/Ceiling
3.6 4.0 ABA012GTEH
199 × 990 × 655
4.5 5.0 ABA014GTEH
5.6 6.3 ABA018GTEH
7.1 8.0 ABA024GTEH
Ceiling
9.0 10.0 ABA030GTEH
240 × 1,660 × 700
11.2 12.5 ABA036GTEH
12.5 14.0 ABA045GTEH
14.0 16.0 ABA054GTEH
Wall mounted
1.1 1.3 ASA004GCGH
268 × 840 × 203
2.2 2.8 ASA007GCGH
2.8 3.2 ASA009GCGH
3.6 4.0 ASA012GCGH
4.0 4.5 ASA014GCGH
5.6 6.3 ASA018GCEH 320 × 998 × 238
7.1 8.0 ASA024GCEH
9.0 10.0 ASA030GTEH 340 × 1,150 × 280
10.0 11.2 ASA034GTEH
Wall mounted
(EEV external)
1.1 1.3 ASE004GCEH
268 × 840 × 203
EV kit:
UTR-EV09XB
2.2 2.8 ASE007GCEH
2.8 3.2 ASE009GCEH
3.6 4.0 ASE012GCEH EV kit:
UTR-EV14XB
4.0 4.5 ASE014GCEH
NOTES:
• For old models information, refer to the back number of this manual released before 2018 on
our Pocket or Pocket Portal.
• Refer to the DESIGN AND TECHNICAL MANUAL for Air Handling Unit (AHU) regarding the
contents of the AHU (e.g. AHA096GWAA).
1-2. Indoor units - (01-5) - 1. Outdoor unit and indoor unit lineup
GENERAL INFORMATION GENERAL INFORMATION

¢Model designation
11-digit code type
Column 1 2 3 4 5 6 7 8 9 10 11
Code A U X K 0 5 4 G L E H
Column Item Description
1
Type
AU: Cassette type
AR: Duct type
AG: Floor type
2AB: Floor/Ceiling or Ceiling type
AS: Wall mounted type
3 Brand
H: General
Y: Fujitsu
X: Neutral brand
4 Model
A: Standard (AU, AS)
B: Compact (AU)
C: High static pressure (AR)
D: Slim (AR)
E: EEV external (AG, AS)
K: Mini (AR), Standard (AU)
M: Slim (AU)
P: High efficiency (AR)
S: 3D flow (AU)
V: One way flow cassette
5
Capacity
004: 1.1 kW
007: 2.2 kW
009: 2.8 kW
012: 3.6 kW
014: 4.5 kW
6
018: 5.6 kW
024: 7.1 kW
030: 9.0 kW
034: 10.0 kW
036: 11.2 kW
045: 12.5 kW
7
054: 14.0 kW
060: 18.0 kW
072: 22.4 kW
090: 25.0 kW
096: 28.0 kW
8 Function G: Inverter
9Model change code 2-digit combination of alphabet
10
11 Series name H
1-2. Indoor units - (01-6) - 1. Outdoor unit and indoor unit lineup
GENERAL INFORMATION GENERAL INFORMATION

10-digit code type
Column 1 2 3 4 5 6 7 8 9 10
Code A U X D 1 8 G A L H
Column Item Description
1Type AU: Cassette type
2
3 Brand X: Neutral brand
4 Model A: Standard (AU)
D: Slim (AU)
5
Capacity
18: 5.6 kW
24: 7.1 kW
30: 9.0 kW
6
34: 10.0 kW
36: 11.2 kW
45: 12.5 kW
54: 14.0 kW
7 Function G: Inverter
8Model change code 2-digit combination of alphabet
9
10 Series name H
1-2. Indoor units - (01-7) - 1. Outdoor unit and indoor unit lineup
GENERAL INFORMATION GENERAL INFORMATION

2. Optional parts
NOTES:
• Information on models not mentioned here is available on our Pocket or Pocket Portal as the
back number.
• Refer to the DESIGN AND TECHNICAL MANUAL for DX kit regarding the contents of DX kit
(e.g. UTY-VDGX [Control unit], UTP-VX30A [EEV unit]).
2-1. Controllers
¢Central control
Exterior Part name Model name Summary
System
controller UTY-APGXZ1
System controller realizes the
advanced integrated monitoring &
control of VRF network system from
small scale buildings to large scale
buildings.
Optional: UTY-PEGXZ1, UTY-
PPGXP2
System
controller lite UTY-ALGXZ1
System controller lite has standard
functions sufficient for air conditioner
management in small and medium
scale buildings.
Optional: UTY-PLGXA2, UTY-
PLGXR2, UTY-PLGXE2, UTY-
PLGXP2, UTY-PLGXX2
Touch panel
controller UTY-DTGZ1
Controls and monitors our air
conditioner via LAN or Internet. Allows
user or tenant to manage the air
conditioning by using assigned
equipment only such as their PCs or
smart devices from anywhere.
Optional: UTY-PTGXA
Central remote
controller UTY-DCGZ
Central control of small and medium
sized buildings and tenants. Central
remote controller realizes the trouble
support function, remote monitoring,
and remote operation.
Group remote
controller UTY-CGG
Group control of indoor units with
simple operation. Network converter
(UTY-VGGXZ1) is required to connect
Group remote controllers to a VRF
network system.
¢Individual control
Exterior Part name Model name Summary
Wired remote
controller
(Touch panel)
UTY-RNRZ
Easy finger touch operation with LCD
panel. Backlight LCD enables easy
operation in a dark room.
Wire type: Non-polar 2-wire
2-1. Controllers - (01-8) - 2. Optional parts
GENERAL INFORMATION GENERAL INFORMATION

Exterior Part name Model name Summary
Wired remote
controller UTY-RLR
High visibility and easy operation.
Room temperature can be accurately
controlled using the built-in thermo
sensor.
Wire type: Non-polar 2-wire
Wired remote
controller UTY-RCRZ1
High visibility and easy operation.
Room temperature can be accurately
controlled using the built-in thermo
sensor.
Wire type: Non-polar 2-wire
SET TEMP. START/STOP
Wired remote
controller UTY-RNK
Room temperature can be controlled
by detecting the temperature
accurately with built-in thermo sensor.
Wire type: Polar 3-wire
Simple remote
controller UTY-RSR
Compact remote controller
concentrates on the basic functions
such as Start/Stop, fan control,
temperature setting, and operation
mode.
Wire type: Non-polar 2-wire
Simple remote
controller
(Without
operation mode)
UTY-RHR
Compact remote controller
concentrates on the basic functions
such as Start/Stop, fan control,
temperature setting.
Wire type: Non-polar 2-wire
Simple remote
controller UTY-RSK
Compact remote controller
concentrates on the basic functions
such as Start/Stop, fan control,
temperature setting, and operation
mode.
Wire type: Polar 3-wire
Simple remote
controller
(Without
operation mode)
UTY-RHK
Compact remote controller
concentrates on the basic functions
such as Start/Stop, fan control,
temperature setting.
Wire type: Polar 3-wire
2-1. Controllers - (01-9) - 2. Optional parts
GENERAL INFORMATION GENERAL INFORMATION

Exterior Part name Model name Summary
Wireless remote
controller UTY-LNHUnit control is performed by wireless remote controller.
2-1. Controllers - (01-10) - 2. Optional parts
GENERAL INFORMATION GENERAL INFORMATION

¢Model designation
Column 12345678910
Code U T Y - A P G X Z 1
Column Item Description
1
Series name UTY: Control unit2
3
4
5
Type
APG: System controller
ALG: System controller lite
DTG: Touch panel controller
6
DCG: Central remote controller
CGG: Group remote controller
RNR, RLR, RNK, RCR: Wired remote controller
7RSR, RHR, RSK, RHK: Simple remote controller
LNH: Wireless remote controller
8 Brand
G: General
Y: Fujitsu
X: Neutral brand
9Version Z1, Z2, Z3
10
2-1. Controllers - (01-11) - 2. Optional parts
GENERAL INFORMATION GENERAL INFORMATION

2-2. Adapter/Converter/Maintenance tool
Exterior Part name Model name Summary
Network
converter UTY-VTGX
Split type systems can be controlled
from a central controller via the
converter.
Network
converter (AC
power supply)
UTY-VTGXV
Split type systems can be controlled
from a central controller via the
converter.
Network
converter UTY-VGGXZ1
Split type systems can be controlled
from a central controller via the
converter.
Group remote controller can be
controlled up to two refrigerant
systems via the converter.
Network
converter for
LonWorks
UTY-VLGX
For connection between VRF network
system and a LonWorks open network
for management of small to medium-
sized BMS.
KNX converter
for VRF UTY-VKGX For connection between VRF network system and a KNX open network.
KNX converter
for indoor unit UTY-VKSX For connection between Single split indoor unit and a KNX open network.
Modbus
converter for
VRF
UTY-VMGX For connection between VRF network
system and a Modbus open network.
Modbus
converter for
indoor unit
UTY-VMSX
For connection between Single split
indoor unit and a Modbus open
network.
BACnet
gateway
(Hardware)
UTY-VBGX
For connection between VRF network
system to the BMS system using
BACnet protocol. Supports max. 128
indoor units.
BACnet
gateway
(Software)
UTY-ABGXZ1
The central control of maximum 1,600
indoor units can be realized by
connecting the VRF network system to
the BACnet, a global standard for
open network.
2-2. Adapter/Converter/Maintenance tool - (01-12) - 2. Optional parts
GENERAL INFORMATION GENERAL INFORMATION

Exterior Part name Model name Summary
Wireless LAN
adapter UTY-TFSXZ1
Remotely manage an Air Conditioning
system using mobile devices such as
Smartphones, and tablets.
Signal amplifier UTY-VSGXZ1
If the total length of transmission line
exceeds 500 m, or the number of units
exceeds 64, a Signal amplifier will be
necessary.
External switch
controller
UTY-TERX
UTY-TEKX
Air conditioner switching can be
controlled by connecting other external
sensor switches.
Service tool UTY-ASGXZ1
Extensive monitoring and analysis
functions for installation and
maintenance. Operation status and
error history can be grasped promptly
and adequately.
Web monitoring
tool UTY-AMGXZ1
Trouble free operation at all times by
web monitoring system. The operation
status of the VRF network system
within the building can be monitored in
real time over the Internet.
2-2. Adapter/Converter/Maintenance tool - (01-13) - 2. Optional parts
GENERAL INFORMATION GENERAL INFORMATION

2-3. Branch kit
¢Separation tube
For 2 pipes
Exterior Model name
Liquid pipe
Gas pipe
UTP-AX054A
Liquid pipe
Gas pipe
UTP-AX090A
Liquid pipe
Gas pipe
UTP-AX180A
2-3. Branch kit - (01-14) - 2. Optional parts
GENERAL INFORMATION GENERAL INFORMATION

¢Header
Exterior Model name
Liquid Pipe Gas Pipe
UTR-H0906L
Liquid Pipe Gas Pipe
UTR-H1806L
Liquid Pipe Gas Pipe
UTR-H0908L
Liquid Pipe Gas Pipe
UTR-H1808L
2-4. EV kit
Exterior Model name
For Wall mounted and Compact floor type
(EEV external)
UTR-EV09XB
UTR-EV14XB
2-3. Branch kit - (01-15) - 2. Optional parts
GENERAL INFORMATION GENERAL INFORMATION

2-5. Cassette grille
Exterior Model name Remarks
For Compact cassette type
UTG-UFE-W Grid type grille
For Compact cassette type
UTG-UFC-W Standard type grille
For Circular flow cassette type
UTG-UKC-W
UTG-UKA-B
For 4-way flow cassette type
UTG-UGA-W
For 3D flow cassette type
UTG-USA-W
For One way flow cassette type
UTG-UNA-W
For One way flow cassette type
UTG-UNB-W
2-5. Cassette grille - (01-16) - 2. Optional parts
GENERAL INFORMATION GENERAL INFORMATION