Hitachi XJ Series Operation Manual page 6

communication fees may be charged based on
the customer's contract for Internet data.
• The names and icons of the dedicated Apps
are as of October 2023. It may be changed by
updating the application.
Notes:
• The first registered user becomes group
administrator by default and manage other users
and also set access rights for other users.
• When using with multiple users, the registered
user should invite other users to register.
Notes on Wireless LAN
WARNING
!
• Do not enable remote features near those with
a cardiac pacemaker or defibrillator.
If it is too close, radio waves may affect the
operation of pacemakers and other devices.
Use frequency band
In the frequency band used by this air conditioner,
in addition to industrial, scientific and medical
equipment such as microwave ovens, private radio
stations for identification of mobile objects (radio
stations that require a license) and special Low
power radio stations (radio stations that do not
require a license) and amateur radio stations (radio
stations that require a license) are in operation.
(1) Before using this air conditioner, make sure that
local radio stations for identification of mobile
objects, specified low-power radio stations and
amateur radio stations are not operating nearby.
(2) If any harmful radio interference occurs from
the air conditioner to the mobile station
identification radio station, immediately stop
using the radio wave and contact the local
Johnson Controls-Hitachi Air Conditioning
(Hereinafter JCH) technical support team to
consult about measures for avoidance.
(3) In addition, if you have any problems such
as harmful radio interference from the air
conditioner to the specified low power radio
station for identifying the moving object or
amateur radio station. Please contact the local
JCH technical support team.
How to use frequency
Modulation system is DSSS and OFDM system
Use 2.4 GHz band
It means that the entire band from 2.400 GHz to 2.4835 GHz can be
used and the band of the mobile identification device can be avoided.
This air conditioner has a built-in wireless device
that has been approved for construction design
based on the Radio Law, so a license for a wireless
station is not required. However, the following acts
are prohibited by the Radio Law.
• Disassemble / modify wireless device.
• Remove the main unit nameplate.
• Erase the indication on the nameplate of the main
• Since wireless LAN transmits and receives using
• We recommend that you set a password
• This air conditioner has the function of
• Do not analyze or modify the firmware.
Please note the following restrictions on use.
JCH will not be liable for any failure to observe the
restrictions or for any incidental damage resulting
from the use or inability to use the air conditioner.
• Do not connect to wireless networks for which you
Radio interference
distance 40m or less
• Do not use where magnetic fields, static electricity
-6-
Equipment certification
unit.
Security measures
radio waves, there is a risk of unauthorized
access. Please take security measures for the
wireless LAN router (hereinafter, router) to ensure
data security. Please note that JCH do not take
any responsibility if a problem occurs without
implementing security measures.
(encryption key) for the router of at least 8
characters and no more than 63 characters. (Refer
to the instruction manual of the router for the
limitation of the number of characters.) When
the router password (encryption key) is changed,
please change the same password on the airCloud
Go App also.
About firmware
connecting to our server through the Internet
and automatically updating its firmware to
the latest version. During the update, wireless
communication may be interrupted and
communication may be interrupted or can be
slow.
Usage restrictions
do not have usage rights. Unauthorized wireless
networks (*SSID) that you do not have permission
to use may be displayed during automatic search
of the wireless network environment.
*SSID is a name to identify a specific network
in wireless LAN. If this SSID matches on both
devices, communication is possible.