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A password is required to access the Menu (Service) screen or some settings under the Menu (User)
screen
.
• The initial Service password is “9999.” The initial User password is “0000.” Change the password
as necessary to prevent unauthorized access.
• Make sure the password is available to the maintenance and other necessary personnel.
• The password can be changed to any four-digit number. On the [Login page], enter the old
password, touch the [Change] button, and then enter a new password.
• If you forget your password, log in with the master password.
Master service and user password: 1056
■Service menu items
2 Service Menu
[HOME screen] [Menu (User) screen] [Menu (Service) screen]
Item Detail Description Setting Default
(1) Setup (a) Group
setting
Make the group setting for the
indoor units, and an AHC
Refer to section 1
"Initial Settings" (2)
"Setup screen".
–
(b) Interlocked
LOSSNAY
Enters the interlock settings
between indoor and LOSSNAY
units
(c) Search
connection
information
Use to search and display the
units that are connected to a
specified unit.
(d) Cool/Heat
display
Use to show or hide the
operation mode signs (Cool/
Heat) on the HOME screen
while the units are operated in
the Auto mode.
Select between Show/
Hide.
Auto: Show
(e) Temperature
sensor offset
Use to offset the reading on the
built-in temperature sensor. *1
Set the offset value.
(-5ºC~+5ºC)
(-10ºF~+10ºF)
Offset: 0.0ºC (0ºF)
(f) Humidity
sensor offset
Use to offset the reading on the
built-in humidity sensor.
Set the offset value.
(-10%~+10%)
Offset: 0%
(g) Room name Use to enter room names (max.
16 characters). The names
entered here will appear on the
HOME screen.
Use a combination of
capital letters, small-
case letters, numerical
characters and symbols.
Blank
(h) Telephone
number
Use to enter the telephone
number of the maintenance
personnel (max. 13 numbers).
This number will be displayed
on the screen that appears
when an error occurs.
Use numerical
characters and
hyphens.
Blank
(i) IC function
setting
Use to make the settings for the
indoor units from the controller.
* Refer to the indoor unit installation
manual for the detailed
explanation of the setting items.
To be explained later –
WT06829X02.book Page 16 Wednesday, June 26, 2013 4:03 PM