Fujitsu Airstage J-II Service manual

Small VRF system
for light commercial and home use
DTV_J2E015E_09
DESIGN & TECHNICAL MANUAL

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

1. GENERAL INFORMATION
DTV_J2E015E_09--CHAPTER01
2015.01.16

CONTENTS
1. GENERAL INFORMATION
1. FEATURES OF SYSTEM ......................................................... 01 - 01
1-1. HIGH ENERGY SAVING ............................................................................... 01 - 01
1-2. MORE COMFORT ......................................................................................... 01 - 04
1-3. MORE CONVENIENCE................................................................................. 01 - 05
1-4. MORE DESIGN FLEXIBILITY....................................................................... 01 - 07
1-5. EASY INSTALLATION .................................................................................. 01 - 08
1-6. EASY MAINTENANCE.................................................................................. 01 - 09
2. MODEL LINE UP...................................................................... 01 - 10
2-1. OUTDOOR UNIT ........................................................................................... 01 - 10
2-2. INDOOR UNIT ............................................................................................... 01 - 11
2-3. CONTROLLER .............................................................................................. 01 - 13
2-4. ADAPTOR / CONVERTOR / MAINTENANCE TOOL................................... 01 - 14
2-5. BRANCH KIT................................................................................................. 01 - 15
2-6. EV KIT ........................................................................................................... 01 - 16
2-7. CASSETTE GRILLE...................................................................................... 01 - 16
2-8. OTHERS (optional parts)............................................................................. 01 - 17
3. REVISION CODE ..................................................................... 01 - 20

FEATURES OF SYSTEM1.
HIGH ENERGY SAVING1-1.
EFFICIENCY IN ACTUAL OPERATION

The building load is the range of almost 40 % to 80%. Therefore, most air conditioners do not
operate at maximum load, but operate at low to medium loads. Especially, for multi system,
operation performance at partial load is important because all the air conditioners do not
always operate all the time. Aiming at energy saving performance matched to actual operation,
Fujitsu General has developed a high intermediate performance air conditioner corresponding
not only to the rated performance at 100% load, but also to low to medium load
High EER / COP
High part load performance (6HP class)
Load curve (a typical office building)
4 HP 5 HP 6 HP
4.29
3.72
4.20
3.60
3.95
3.45
5.75
COP
Heating part load
EER
Cooling part load
5.73
100%
3.95
50%
100%
3.45
50%
: COP: EER
66%
UP
46%
UP
0
0
20
40
60
80
100
3 6 9 12 Time (h) 15 18 21 24
Building load (%)
Conditions : Connected indoor units: AUXD30LALH+AUXD24LALH
Cooling : indoor temp. of 27°CDB/19°CWB. outdoor temp. of35°CDB/24°CWB
Heating : indoor temp. of 20°CDB/15°CWB, outdoor temp. of7°CDB/6°CWB
- (01 - 01) -
GENERAL INFORMATION GENERAL INFORMATION

ADVANCED HIGH EFFICIENCY TECHNOLOGY

Compressor
efficiency
High
High
Compressor capacity
DC Twin Rotary compressor
Highly accurate parts
Optimized refrigerant flow design
High efficiency compressor motor
DC twin rotary compressor
Efficiency in all load regions is good.
Especially good performance from low to
medium at normal operation.
Large propeller fan
High performance and low noise
realized by large propeller and
optimization of angle.
DC inverter control
Efficiency is improved by
mounting of new active filter
module.
Subcool heat exchanger
Cooling performance is
improved by mounting of dual
tube heat exchanger.
DC fan motor
Miniaturized, low noise, high
efficiency, multi-stage DC fan motor
is mounted.
Large heat exchanger
Heat exchange performance is
substantially improved by mounting
of 3-row large heat exchanger.
Pressure
Enthalpy
Subcool effect
Cooling performance improved
- (01 - 02) -
GENERAL INFORMATION GENERAL INFORMATION

OPERATION PERFORMANCE IS EFFICIENTLY CONTROLLED

Room temperature set point limitation
z
The minimum and maximum temperature range
can be set.
Heating Cooling
Original
set Temp.
Set point
limitation setting
Central Remote Controller
30
28
26
24
22
20
18
16
14
12
10
(°C)
Economy operation
z
The temperature setting is offset automatically
over a certain period of time.
Cooling Set Temperature
Economy operation
Control Temperature
Heating Set Temperature
Economy operation
Control Temperature
Set Temp.
MAX. - 4°C
MAX. +2°C
Economy operation
Up
Up
Economy operation
Set Temp.
DownDown Down Down
Capacity save operation
z
The power consumption at peak is cut down.
Capacity
Time
Setting
level
Capacity save
Setting
range
80％
60％
40％
0％
WASTEFUL OPERATION IS PREVENTED

Auto Off function
z
This prevents waste of energy.
18:00 20:00 22:00
OFF OFF OFF
- (01 - 03) -
GENERAL INFORMATION GENERAL INFORMATION

MORE COMFORT1-2.
POWERFUL HEATING

Heating capacity is improved at low outdoor temperature by our advanced technology.
33%
UP!
7
Current model (6HP class)
16.6
Heating
capacity
(kW)
J-II series (6HP)
Outdoor temperature (°C)
-20 -10 0
LOW NOISE DESIGN

Low noise design of outdoor unit
z
Signicantly reduced noise by optimized
airow structure design of outdoor unit.
56dB
53dB
Current model
J-II series
6HP class (Cooling)
Low noise mode
z
Outdoor unit can be switched to silent
mode,depending on the installation
environment.
Noise
level
Time
(4~6HP)
Rated noise value
-5dB ~-6dB
Low noise mode
VARIOUS COMFORT CONTROL FUNCTION

Easy auto changeover
z
function
At the auto mode, cooling
and heating mode is switched
automatically to maintain the
setting temperature.
Function setting is required.
1 indoor unit (Master) can apply this function.
Set Temp.
Temp.
(°C)
Heating operation
Cooling operation
Non-stop oil recovery
z
operation
The product continues to
operate without stopping the
cooling or heating operation
during oil recovery modes.
Current
model
ON
OFF
Operation stopped at oil recovery Time
Time
ON
J-II series
Heating
operation
Auto louver grill (Option
z
for Slim Duct)
Auto louver grille provides
comfort and efcient heating
with louver controlled ductable
outlet
40
30
15
20
25
35
Temperature(°C)
- (01 - 04) -
GENERAL INFORMATION GENERAL INFORMATION

MORE CONVENIENCE1-3.
CENTRAL CONTROL OF SMALL OFFICE, SHOP, ETC.

Control system composition example
BACnet®Gateway
(Software)
Network Convertor
for
L ON W ORKS®
System Controller
(Software)
Building control
computer
System
Controller (Software)
UTY-APGX
Max. controllable
1,600 indoor units
Convertor for
BMS Control
Building Management
System
BACnet ®Gateway
(Software)
UTY-ABGX
Network Convertor
for LONWORKS
®
UTY-VLGX
Network
Convertor
UTY-VGGXZ1
Security system
Ventilation system
Lighting facilities
A/C
central controller
Group
Remote Controller
UTY-CGG*
Max. controllable
18 indoor units
Central
Remote Controller
UTY-DCG*
Max. controllable
100 indoor units
Touch Panel
Controller
UTY-DTG*
Max. controllable
400 indoor units
G*: GY (FUJITSU), GG (GENERAL)
VRF network system
or
Central
Remote Controller
Touch Panel
Controller
Network
Convertor
Group
Remote Controller
- (01 - 05) -
GENERAL INFORMATION GENERAL INFORMATION

INDIVIDUAL AND CENTRAL CONTROL OF LARGE HOMES

Group Remote Controller
UTY-CGG*
• Max. controllable
18 indoor units
Control system composition example
Central
Remote Controller
or
Group
Remote Controller
Wireless
Remote Controller
Wired
Remote Controller
+
Wireless
Remote Controller
IR Receiver Unit
+
Wireless
Remote Controller
Simple
Remote Controller
Wired
Remote Controller
+
Simple
Remote Controller
Wired
Remote Controller
Central Remote Controller
UTY-DCG*
or
• Automatic display of number
of connected indoor unit
• Max. controllable
100 units
Simple Remote Controller
Wired Remote Controller
UTY-RNK*
Wired Remote Controller
UTY-RNR*
With operation mode
UTY-RSK*
Without operation mode
UTY-RHK*
K*: KY (FUJITSU), KYT (FUJITSU), KG (GENERAL)
H*: HY (FUJITSU), HG (GENERAL)
G*: GY (FUJITSU), GG (GENERAL)
G*: RY (FUJITSU), RG (GENERAL)
Wireless Remote Controller
UTY-LNH*
- (01 - 06) -
GENERAL INFORMATION GENERAL INFORMATION

MORE DESIGN FLEXIBILITY1-4.
LONG PIPING LENGTH

Our advanced refrigerant control technology allows us to achieve a total refrigerant piping
length of 180 m. This opens up new possibilities in system design.
180 m max.
Height difference between indoor
and indoor units
15 m max.
Piping length from
first separation tube to
the farthest indoor unit
40 m max.
Height difference between outdoor
and indoor units
30 m max.
Actual piping length
120 m max.
Total piping length
HIGH CAPACITY CONNECTION

Number of connectable indoor unit
4 HP
5HP
6 HP
2 to 7 units
2 to 8 units
2 to 9 units
52 models
Indoor unit Connectable
indoor unit
capacity range
130 %max.
WIDE OPERATING RANGE

Installation in extreme temperature conditions is possible due to an increase in operational
range.
Cooling : -5°C~46°C
Heating : -20°C~21°C
CoolingCooling
46°C
21°C
-5°C-5°C
-20°C-20°C
Heating
(°C)
-20°C area
Operation possible
in heating.
50
40
30
20
10
0
-10
-20
- (01 - 07) -
GENERAL INFORMATION GENERAL INFORMATION

EASY INSTALLATION1-5.
EASIER INSTALLATION

Easy piping connection
z
Improvement of the reliability by decreasing the are connection.
Flare connection
Terminal box
Flare
connection
EV kit
J-II series Previous model
Power supply cable
Power supply
(Indoor )
Power supply
(Outdoor )
Easy wiring connection
z
• Decreasing wiring mistakes by using non-polar 2 wires.(Remote controller cable is 3 wires)
• Improvement of wiring installation by common with V-II power supply method.
Flexible installation of outdoor unit
z
Corresponds to the outdoor unit concentration installation.
Reduced installation intervals
by front access
Flexible installation by
4 way pipe direction
CONVENIENT COMMISSIONING SUPPORT

Automatic address setting function
z
The address of each indoor unit can be
automatically set by button switch of outdoor
unit.
3 7 1 0 2 4 5 6
Press the push button
of outdoor unit.
Connection check function
z
Possible to conrm whether wiring
connection and address setting are correct
by check run function for a short time .
・Display connected indoor unit
numbers
・Duplicately set address number of
indoor unit can be displayed
Easy to connect with V-II communication system
z
It is possible to connect directly with the transmission cable of the V-II system without
convertor.
J-II system V-II system
Connects without a converter
- (01 - 08) -
GENERAL INFORMATION GENERAL INFORMATION

EASY MAINTENANCE1-6.
DESIGN FOR EASY MAINTENANCE

Easy to read 7-segment LED
z
Conrm detail operational and trouble status
without using specic equipment
Movable PCB panel
Easier for maintenance work behind
the PCB
7-segment LED
Error status can be checked
z
easily via the indoor unit wired
controller
An error code is displayed on a liquid
crystal screen.
Wired Remote Controller
SU MO TU WE TH FR SA
Faulty unit number (Remote controller address)
Error code
Simple Remote Controller
Remote controller address
Error code
EMERGENCY STOP FUNCTION

Emergency
stop function
Touch Panel
Controller
Central
Remote Controller
or
Emergency
stopfunction
Emergency
stopfunction
Emergency alarm can be received by
indoor, outdoor units, Central Remote
Controller or Touch Panel Controller
when they received it, all units will be
stopped.
Note : In case of received Emergency
alarm by Indoor / outdoor unit : All units
connected within same refrigerant
system will be stopped. Central Remote
Controller or Touch Panel Controller :
all units connected within VRF network
system with Central Remote Controller
or Touch Panel Controller will be
stopped.
TROUBLE DIAGNOSIS BY SERVICE TOOL

Connection to Service Tool
• Detail operation status
and recent error history
can be checked and
analyzed by using
Service Tool.
• Last 5 min. operation
memory can be also
recorded.
Equipment Detail (Diagram)
Transmission cable
(Non-polar 2 wires)
Service Tool
UTY-ASGX
USB adaptor
(Field supplied)
Software
- (01 - 09) -
GENERAL INFORMATION GENERAL INFORMATION

MODEL LINE UP2.
OUTDOOR UNIT2-1.
Line up from 4HP to 6HP in 1HP increments.●
LINE UP (SINGLE)

MODEL DESIGNATION

HP Capacity
(kW) Model name Chassis
Maximum
connectable
indoor unit
412.1 AJA40LALH 7
514.0 AJA45LALH 8
615.5 AJA54LALH 9
A J Y A 4 5 L A L H
1 2 3 4 5 6 7 8 9 10
Type
AJ : Outdoor unit
Destination
H: GENERAL
Y: FUJITSU
Function
L : Inverter
(R410A)
Model change code
AL
Series
name
H : J-II
Model code
(kW)
A40 : (12.1)
A45 : (14.0)
A54 : (15.5)
- (01 - 10) -
GENERAL INFORMATION GENERAL INFORMATION

INDOOR UNIT2-2.
LINE UP (1/2)

Various combinations of types and capacity 52 models, ranging from 1.1kW to 14.0kW.
Capacity
Compact
Cassette
Cassette
Low Static
Pressure
Duct/
Concealed
Floor
Slim Duct/
Slim
Concealed
Floor
Medium
Static
Pressure
Duct
kW Model
code
XD XA
1.1 04
2.2 07
2.8 09
3.6 12
4.5 14
5.6 18
7.1 24
9.0 30
10.0 34
11.2 36
12.5 45
14.0 54
Compact Cassette Cassette Low Static Pressure Duct/
Concealed Floor
AUXB04GALH
AUXB07GALH
AUXB09GALH
AUXB12GALH
AUXB14GALH
AUXB18GALH
AUXB24GALH
AUXD18GALH
AUXD24GALH
AUX A18G ALH
AUXA24GALH
AUXA30GALH
AUXA34GALH
AUXA36GALH
AUXA45GALH
AUXA54GALH
ARXB07GALH
ARXB09GALH
ARXB12GALH
ARXB14GALH
ARXB18GALH
Slim Duct/Slim Concealed Floor Medium Static Pressure Duct
ARXD04GALH
ARXD07GALH
ARXD09GALH
ARXD12GALH
ARXD14GALH
ARXD18GALH
ARXD24GALH
ARXA24GBLH
ARXA30GBLH
ARXA36GBLH
ARXA45GBLH
- (01 - 11) -
GENERAL INFORMATION GENERAL INFORMATION

LINE UP (2/2)

Various combinations of types and capacity 52 models, ranging from 1.1kW to 14.0kW.
Capacity High Static
Pressure
Duct
Floor / Ceiling Ceiling Wall Mounted
(EEV external) Wall Mounted
kW Model
code
1.1 04
2.2 07
2.8 09
3.6 12
4.5 14
5.6 18
7.1 24
9.0 30
10.0 34
11.2 36
12.5 45
14.0 54
High Static Pressure Duct Floor / Ceiling Ceiling
ARXC36GBTH
ARXC45GATH
ABA12GATH
ABA14GATH
ABA18GATH
ABA24GATH
ABA30GATH
ABA36GATH
ABA45GATH
ABA54GATH
Wall Mounted Wall Mounted
(EEV external)
ASA04GACH
ASA07GACH
ASA09GACH
ASA12GACH
ASA14GACH
ASA18GACH
ASA24GACH
ASA30GACH
ASE04GACH
ASE07GACH
ASE09GACH
ASE12GACH
ASE14GACH
MODEL DESIGNATION

EV kit
A U X B 1 2 G A L H
12345678910
Type
AU: Cassette
AR: Duct
AB: Floor/Ceiling
or Ceiling
AS: Wall Mounted
Destination
H: GENERAL
Y: FUJITSU
X:Neutral
brand
Model
A: Standard
B: Compact
(AU)
B: Low Static
Pressure
(AR)
C: High Static
Pressure
(AR)
D: Slim (AU)
(AR)
E: EEV
external
(AS)
Function
G : Inverter
(R410A)
Series
name
H : VRF II
Model code
(kW)
04 (1.1)
07 (2.2)
09 (2.8)
12 (3.6)
14 (4.5)
18 (5.6)
24 (7.1)
30 (9.0)
34 (10.0)
36 (11.2)
45 (12.5)
54 (14.0)
Model change code
AC
AL
AT
BL
- (01 - 12) -
GENERAL INFORMATION GENERAL INFORMATION

CONTROLLER2-3.
LINE UP

Type Model Remarks
System Controller UTY-APGX Option: UTY-PEGX
System Controller Lite UTY-ALGX Option: UTY-PLGXA1, UTY-PLGXR1,
UTY-PLGXE1
Touch Panel Controller UTY-DTG-
Central Remote Controller UTY-DCG-
Group Remote Controller UTY-CGG-
Wired Remote Controller (Touch panel) UTY-RNR
2-wire type
Wired Remote Controller UTY-RLR
Wired Remote Controller UTY-RNK
3-wire typeSimple Remote Controller (With operation mode) UTY-RSK
Simple Remote Controller (Without operation mode) UT Y-RHK
Wireless Remote Controller UTY-LNH-
CENTRAL CONTROL

System Controller /
System Controller Lite
Touch Panel
Controller
Central Remote
Controller Group Remote Controller
UTY-APGX / UTY-ALGX UTY-DTGUT Y-DCG
UTY-CGG
Network Convertor (UTY-VGGXZ1) is
necessary to connect Group Remote
Controller to VRF network system.
INDIVIDUAL CONTROL

Wired Remote Controller Simple Remote Controller Wireless Remote
Controller
UTY-LNH
UTY-RNK UTY-RNRUT Y-RLR
SET TEMP. START/STOP
(Touch panel)
UTY-RSKUTY-RHK
(With operation mode) (Without operation mode)
MODEL DESIGNATION

U T Y - R N R Y
1 2 3 4 5 6 7 8
Type
APG: System Controller
ALG: System Controller Lite
DTG: Touch Panel Controller
DCG: Central Remote Controller
CGG: Group Remote Controller
RNR, RLR, RNK: Wired Remote Controller
RSK, RHK: Simple Remote Controller
LNH: Wireless Remote Controller
Destination
G: GENERAL
Y: FUJITSU
X:Neutral brand
Series name
UTY : Control unit
- (01 - 13) -
GENERAL INFORMATION GENERAL INFORMATION

ADAPTOR / CONVERTOR / MAINTENANCE TOOL2-4.
Network Convertor
Model : UTY-VGGXZ1
Split type systems can be
controlled from a central
controller via the convertor.
Group remote controller can be
controlled up to 96 indoor units
via the convertor.
Network Convertor for LONWORKS®
Model : UTY-VLGX
For connection between VRF
network system and a LONWORKS®
open network for management of
small to medium-sized BMS.
Signal Amplier
Model : UTY-VSGXZ1
If the total length of
transmission line exceeds
500m, or the number of units
exceeds 64, Signal Amplier
will be necessary to use.
Web Monitoring Tool
Model : UTY-AMGX
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.
Service Tool
Model : UTY-ASGX
Extensive monitoring and analysis
functions for installation and
maintenance. Operation status
and error history can be grasped
promptly and adequately.
BACnet®Gateway
Model : UTY-ABGX
The central control of
maximum 1600 indoor units
can be realized by connecting
the VRF network system to
the BACnet®, a global standard
of the open network.
External Switch Controller
Model : UTY-TEKX
Air conditioner switching
can be controlled by
connecting other external
sensor switches.
- (01 - 14) -
GENERAL INFORMATION GENERAL INFORMATION

BRANCH KIT2-5.
Separation Tube
Model :UTP-AX090A
Liquid Pipe Gas Pipe
Header
Model : UTR-H0906L Model : UTR-H0908L
Liquid Pipe Liquid Pipe
Gas Pipe Gas Pipe
- (01 - 15) -
GENERAL INFORMATION GENERAL INFORMATION

EV KIT2-6.
EV Kit Models : UTR-EV09XB
UTR-EV14XB
For Compact Wall Mounted type (EEV external type)
CASSETTE GRILLE2-7.
Cassette grille Models : UTG-UFYC-W
UTG-UFGC-W
Cassette grille Models : UTG-UGYA-W
UTG-UGGA-W
For Compact Cassette type For Cassette type
- (01 - 16) -
GENERAL INFORMATION GENERAL INFORMATION