Function List - Mitsubishi Electric AT-50B Instruction Book

Function List

The table below summarizes the functions that are available on the AT-50B.
Refer to the pages listed for details.
Function
ON/OFF operation
Mode
Set Temperature
Fan Speed
Unit Operation
Air Direction
Louver
ON/OFF operation
for interlocked
ventilation
Collective Operation
Date and Time
Weekly/One-day
schedule
Time and
Schedule
Setback Control
Disabling scheduled
operation
System
System-Changeover
Management
*1: Available functions vary depending on the unit type. Only the functions that are supported by the connected units can
be controlled from the AT-50B.
4
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.
Switches the mode as follows for each group or all groups.
Air conditioning unit group: Cool/Dry/Fan/Auto/Heat
*1
LOSSNAY group: Bypass/Heat recovery/Auto
Air To Water (PWFY) group: Heating/Heating ECO/Hot Water/
*1
Sets the set temperature for each group or all groups.
*1
Adjusts the fan speed for each group or all groups.
*1
Adjusts the air direction for each group or all groups.
*1
Enables/disables the louver for each group or all groups.
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
*1 for each group or all groups. (When the ventilation unit is interlocked
with the air conditioning unit, the ventilation mode cannot be used.)
The following functions can be collectively executed on multiple groups:
Setback, Schedule, Mode, Temperature Correction, RC Prohibition.
Sets the date, time, and display formats. The current time will appear at
the top right corner of the HOME screen.
• 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 Prohibit
Remote Controller Operation.
• Maximum of 12 patterns can be configured for the weekly schedule,
and 5 for one-day schedule.
• Two types of weekly schedules (Summer/Winter) can be set.
• One-day schedule overrides the weekly schedule.
This function helps keep the indoor temperature in the
temperature range while the units are stopped and during the
time this function is effective.
Scheduled operation can be temporarily disabled.
This setting must be set to OFF to run scheduled operation.
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
Description
Anti-freeze/Cooling
® , LOSSNAY, and DIDO controller.
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