Mitsubishi Electric TC-24B, Instruction Book

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Function List
Function Description Page
Restriction
Settings
Lock Buttons
Locks the following buttons: Collective ON/OFF, Hold, Setback, and
Main Menu.
Locks the following functions: ON/OFF, Mode, Set Temp, Fan
Speed, and Hold.
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44
Set Temperature Range
Limit
Limits the available temperature range for the local remote
controllers (collectively or by group).
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Prohibit Remote
Controller
Prohibits access to the ON/OFF, Mode, Set Temperature,
Maintenance Sign (Filter sign/Check Water sign) Reset, Fan Speed,
and Air Direction settings from the local remote controllers, and
also deactivates Timer settings from the local remote controllers
(collectively or by group).
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Basic Settings
Display Format
Selects the display formats for the following items: Display
language, temperature unit, room temperature, display or non-
display of Cooling/Heating mode icons (during Auto mode),
backlight timer, and group names.
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Home screen
Group icon setting
When the group icon is touched, the action differs depending on the
Group icon setting. Default is set to the Group icon setting 2.
Group icon setting 1: Turns ON/OFF the units in the group whose
group icon is touched.
Group icon setting 2: Displays the check mark when group icon is
touched. Touch the group icons of the groups
to be operated, and then touch the “Operate”
button to move to the GROUP screen. Multiple
groups can be selected. Use this mode when
operating the multiple groups collectively.
Group icon setting 3: Directly moves to the GROUP screen of the
group whose group icon is touched.
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Volume Control Sets the sound volume and screen brightness. 54
Maintenance
Error
If an error occurs on the TC-24B controller or the units and
controllers it controls, the LED on the Collective ON/OFF button
will blink. If an error occurs on the indoor or LOSSNAY units, will
appear on the corresponding group icon on the Home screen. The
error code can be verified and reset on the Status List screen.
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Maintenance Sign
Filter Icon will appear on the Home screen when the filter is due for
cleaning. The icon can be removed from the Status List screen.
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Touch Panel
Cleaning Mode
Disables the touch panel to allow the user to clean the panel. 60
Touch Panel Calibration
Mode
Calibrates the touch panel if the touch panel does not respond
correctly when touched.
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Miscellaneous
External input
Receives input signals from external devices and start/stop all
groups of units or permit/prohibit operations from the local remote
controllers. Requires cable connections.
External output
Outputs the operation status of the units (ON/OFF) or error signals
to external devices collectively, using contact signals. Requires
cable connections.
Function List
The table below summarizes the functions that are available on the TC-24B.
Refer to the pages listed for details.
Function Description Page
Unit Operation
ON/OFF Operation
Switches the ON/OFF operation of the units such as air conditioning
units. The LED on the Collective ON/OFF button will light up
when one or more units are in operation and off when all units are
stopped.
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Mode *1
Switches the mode “Cooling/Drying/Fan/Auto/Setback/Heating”
for each group or all groups. (Switches the mode “Bypass/Heat
recovery/Auto” for LOSSNAY groups.)
Switches the mode “HEATING/HEATING ECO/HOT WATER/ANTI-
FREEZE/COOLING” for Air To Water (PWFY) groups.
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Setback mode *1
Automatically switches the operation mode between Cooling and
Heating to maintain the room temperature within the set temperature
range. The cooling/heating set temperature can be overridden.
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Set Temperature *1 Sets the set temperature for each group or all groups. 23
Fan Speed *1 Adjusts the fan speed for each group or all groups. 24
Air Direction *1 Adjusts the air direction for each group or all groups. 24
Louver *1 Enables/disables the louver for each group or all groups. 24
ON/OFF Operation for
Interlocked Ventilation
*1
The ON/OFF operation of the interlocked ventilation unit is
interlocked with the ON/OFF operation of the air conditioning unit.
The interlocked ventilation units can be independently operated
for ON (High/Low)/OFF for each group or all groups. (When the
ventilation unit is interlocked with the air conditioning unit, the
ventilation mode cannot be used.)
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Time and
Schedule
Date and Time
Sets the date, time, and display formats. The current time will
appear at the top right corner of the Home screen.
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Weekly/1-day schedule
• Allows the user to set the Weekly schedule for each group.
•
Maximum of 16 events can be scheduled for each day.
• The types of actions that can be scheduled are as follows: ON/
OFF, Mode, Set Temperature, Fan Speed, Air Direction, and
Remote Controller Operation Prohibition.
• Maximum of 12 patterns can be configured for the Weekly
schedule, and 5 for 1-day schedule.
• 1-day schedule overrides the Weekly schedule.
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System
Management
Hold
Enables/disables the Hold function for each group or all groups
* When the Hold function is enabled, the current operation status is
retained until the Hold function is disabled.
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25
System-Changeover
Automatically switches the entire system (all indoor units that
are connected to the same outdoor units) to Cooling or Heating
by periodically monitoring the room temperature and the preset
temperature of each group and determining the best operation
mode.
• The System-Changeover function is not available for the following
types of products: Simultaneous Cooling/Heating units (with
automatic mode change function), Mr. SLIM®, LOSSNAY, and
DIDO controller.
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*1 : Available functions vary depending on the unit type. Only the functions that are supported by the connected units can
be controlled from the TC-24B.