Mitsubishi Electric AT-50A Instruction Book page 18

Usage - Main Menu Settings
Operation Setting (cont'd)
Inserting an event
1. Touch a row to insert an event above it.
* A red checkmark will appear on the selected row.
2. Touch the Insert button. A blank row will appear above the selected row.
* If the maximum number of events have been set, no more rows can be inserted.
Icon Definitions
Deselected *
Functions
ON/OFF
Mode
Fan Speed
Air Flow Direction
Local remote controller
operation prohibition (ON/OFF)
Local remote controller
operation prohibition (Mode)
Local remote controller
operation prohibition (Set Temperature)
Local remote controller
operation prohibition (Filter Sign Reset)
*1 The icons corresponding to the functions that are not scheduled will not be displayed except in the Edit Pattern popup
screen.
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1
Setting Options
On [green] Off [black]
Cooling Dry Fan Heating Auto
Bypass Heat Recovery Auto Damper
Quiet Low Mid High Auto
Setting 1 Setting 2 Setting 3 Setting 4 Setting 5
Swing
Permit Prohibit
Permit Prohibit
Permit Prohibit
Permit Prohibit
Main Menu > Operation Setting > Time and Schedule > Setback Control
C Setting the Night setback function
Night setback function is a function that prevents indoor dew or extreme temperature rise by heating/
cooling automatically when the room temperature goes outside of the specific range during the set time
period.
・ W hen the air conditioning group with night setback function is off and when the temperature
exceeds the preset temperature, heating/cooling operation starts.
・ I f the room temperature is measured by the air-conditioner's suction temperature sensor, the
temperature may not be correct when the air-conditioner is inactive and the air is not fresh. When
the air-conditioner is inactive, using a remote sensor or a remote control sensor is recommended
to measure room temperature correctly.
・ I f the temperature setting or ON/OFF operation is prohibited for this unit, Setback operation
cannot be used.
・ I f the operation mode change is prohibited or the operation mode selection is limited for this unit,
Setback function may not function properly.
When the night setback control is set, air conditioning group operates as shown below.
Auto
21ºC/69ºF
Room
temperature
Lower limit
temperature
12ºC/53ºF
Heating Heating
On Off
21ºC/69ºF
Setback control time period
When the temperature drops below the lower limit temperature
(heating control)
If "Unscheduled" is selected, the Setback function that were set on the Setback Control screen will not be
executed with the pressing of the Collective Operation button.
In this case, the settings that were made on the "Collective Operation Setback" screen will override the
settings made on the "Setback Control" screen, and the scheduled operation will not run.
1. Touch the C Setback Control button on the [Time
and Schedule] screen.
2. Read the pop-up message, and touch the OK
button to confirm.
Upper limit
Setback operation stops
temperature
(when the temperature rise
Setback
28ºC/83ºF
3ºC/5.4ºF or the control
operation Room
time period is over)
temperature
starts.
24ºC/75ºF
Heating Heating Cooling Cooling
On Off On
12ºC/53ºF 21ºC/69ºF 24ºC/75ºF
When the temperature rises above the upper limit temperature
4
6
3ºC/5.4ºF
Setback
operation
starts.
Cooling Cooling
Off On Off
28ºC/83ºF 24ºC/75ºF
Setback control time period
(cooling control)
1
5
7
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