Fujitsu UTY-TFSXJ3 Service manual

OPTIONAL PART
WLAN Adapter
DESIGN & TECHNICAL MANUAL
WLAN ADAPTER
UTY-TFSXJ3
UTY-TFSXJ4
DR_OP011EX_01
2022.11.14

Notices:
• Product specifications and design are subject to change without notice for future improvement.
• For further details, please check with our authorized dealer.
Trademarks
“AIRSTAGE Mobile” is a trademark of FUJITSU GENERAL LIMITED.
Google Play™ is trademark of Google LLC.
App Store® is a service mark of Apple Inc., registered in the U.S. and other countries.
Copyright © 2022 Fujitsu General Limited. All rights reserved.

CONTENTS
WLAN ADAPTER ..................................................................................1
1. Model lineup ..................................................................................................2
1-1. Applicable indoor units.....................................................................................................2
2. Overview ........................................................................................................3
2-1. Wireless LAN control .......................................................................................................4
3. Specifications................................................................................................7
3-1. WLAN Adapter.................................................................................................................7
4. Wiring design ................................................................................................8
4-1. System diagram...............................................................................................................8
5. Installation ...................................................................................................10
5-1. Precautions....................................................................................................................10
5-2. Installation procedure.....................................................................................................11
6. Initial setup ..................................................................................................12
6-1. AIRSTAGE Mobile .........................................................................................................12
6-2. AIRSTAGE Edge Controller...........................................................................................12
7. Accessories.................................................................................................13

WLAN ADAPTER
MODEL NAME:
UTY-TFSXJ3
UTY-TFSXJ4

1. Model lineup
Model name Region or country
UTY-TFSXJ3
Other than the following countries
U.S.A.
Canada
UTY-TFSXJ4 U.S.A. and Canada
1-1. Applicable indoor units
For applicable indoor units, refer to the product catalogue posted on Support page of the web site.
https://www.fujitsu-general.com/global/support/
- 2 -
1-1. Applicable indoor units 1. Model lineup
WLAN ADAPTER WLAN ADAPTER

2. Overview
a
b
c
aLED 1 (green)
Operation status indicator.
bLED 2 (orange)
Wireless LAN status indicator.
cSetting button
Used for connecting to wireless router.
Schematic diagram
•AIRSTAGE Mobile:
Indoor unit
WLAN adapter
Wireless LAN router
Smart device
(AIRSTAGE Mobile)
Internet
Smart device
(AIRSTAGE Mobile)
•AIRSTAGE Edge Controller:
Indoor unit
WLAN adapter
AIRSTAGE
Cloud
Wireless LAN router
Hub
Wireless LAN router
AIRSTAGE
Edge Controller
- 3 - 2. Overview
WLAN ADAPTER WLAN ADAPTER

2-1. Wireless LAN control
By installing AIRSTAGE Mobile on a smart device, several functions can be controlled from outside
the house.
CAUTION
To prevent personal injury, property damage, or product malfunction, read the setting manual at-
tached with the product carefully, and be sure to comply with the safety and usage precautions.
¢Easy setup by mobile application
Initial setup can be done by using AIRSTAGE Mobile.
Refer to the setting manual attached with the product for information on the initial setup, operat-
ing tips, and troubleshooting.
¢System requirement
•AIRSTAGE Mobile (mobile application)
Before using this application, prepare the following items:
–Wireless router:
Wireless LAN standard IEEE802.11b/g/n
Frequency bands* • U.S.A., Canada: 2.4 GHz (1ch—11ch)
• Other countries: 2.4 GHz (1ch—13ch)
Network security standard
• Open
• WEP
• WPA (PSK)
• WPA2 Personal (PSK)
• WPS for same-LAN registration
*: Usable only in the country or region where you purchased the product.
To check whether your wireless router complies with the network security standards listed
above, refer to the operation manual.
–Smartphone:
App-compliant operating system iOS Check the latest version of supported OS
at Google Play store or App Store.
Android
–User registration:
Mobile app is available on Google Play store or on App Store.
After installation of mobile app, user registration is required. For user registration and setup in-
formation, refer to SETTING MANUAL attached with the product.
- 4 -
2-1. Wireless LAN control 2. Overview
WLAN ADAPTER WLAN ADAPTER

•AIRSTAGE Edge Controller
Before using this controller, prepare the following items:
–Wireless router:
Wireless LAN standard IEEE802.11b/g/n
Frequency bands* • U.S.A., Canada: 2.4 GHz (1ch—11ch)
• Other countries: 2.4 GHz (1ch—13ch)
Network security standard
• Open
• WEP
• WPA (PSK)
• WPA2 Personal (PSK)
• WPS for same-LAN registration
*: Usable only in the country or region where you purchased the product.
To check whether your wireless router complies with the network security standards listed
above, refer to the operation manual.
–User registration:
For user registration and setup information, refer to the manual attached with AIRSTAGE Edge
Controller.
NOTE: Combination use of AIRSTAGE Mobile and AIRSTAGE Edge Controller is prohibited.
- 5 -
2-1. Wireless LAN control 2. Overview
WLAN ADAPTER WLAN ADAPTER

¢Wireless LAN function list
NOTE: To use Wireless LAN control, user registration in advance and access to the wireless home
network are required.
Item Mobile app AIRSTAGE
Edge Controller
Air conditioning
control function
Operation on/off ○ ○
Operation mode setting ○ ○
Set temperature setting ○ ○
Fan speed setting ○ ○
Airflow direction
setting
Louver position adjustment
(vertical/horizontal) ○*1○*1
Swing (vertical/horizontal) ○*1○*1
Timer setting Weekly timer*2○ —
Additional
function
operation setting ○*1—
ECONOMY operation setting ○ ○
Human sensor for energy saving setting ○*1○*1
Energy saving fan setting ○ —
Outdoor unit low noise operation setting ○ —
POWERFUL operation setting ○*1—
Room temperature indicator*3○ ○
Remote controller prohibition (Lockout) — ○
○: Available, —: Not available
*1: Different by the indoor unit function.
*2: Weekly timer of wireless remote controller/wired remote controller and mobile application each
have different settings. If timer settings are done from mobile application and from wireless remote
controller/wired remote controller, both timer settings will be active.
*3: For using this function in VRF system, wired remote controller (2-wire) needs to be connected to
the indoor unit, and the room temperature sensor on the wired remote controller should be enabled.
- 6 -
2-1. Wireless LAN control 2. Overview
WLAN ADAPTER WLAN ADAPTER