Selecting Operation Modes - Mitsubishi Electric MSZ-HM12NA Operating Instructions Manual

● OPERATING INSTRUCTIONS ●
S
ELECTING OPERATION MODES
1
Press to start the operation.
2
Press to select operation mode. Each press
changes mode in the following order:
(COOL)
(DRY)
(HEAT)
3
Press or to set the temperature.
Each press raises or lowers the temperature by 1°F
(1°C).
Press to stop the operation.
• The same setting is selected the next time by simply pressing
Operation indicator lamp
The operation indicator lamp shows the operation state of the unit.
Indication Operation state
The unit is operating to reach the set
temperature
The room temperature is approach-
ing the set temperature
Lighted Not lighted
En-5
When the remote controller cannot be used...
Emergency operation can be activated by pressing the emergency operation
switch (E.O.SW) on the indoor unit.
.
If a power failure occurs or the main power is turned off during operation, "Auto
restart function" automatically starts operation in the same mode as the one
set with the remote controller just before the shutoff of the main power. When
timer is set, timer setting is cancelled and the unit starts operation when power
is resumed.
If you do not want to use this function, please consult the service repre-
Room temperature
sentative because the setting of the unit needs to be changed.
About 4°F (2°C) or
more away from set
temperature
About 2 to 4°F (1 to
2°C) from set tem-
perature
COOL mode
Enjoy cool air at your desired temperature.
Note:
Do not operate COOL mode at very low outside temperatures (less than
14°F [-10°C]). Water condensed in the unit may drip and wet or damage
furniture, etc.
DRY mode
Dehumidify your room. The room may be cooled slightly.
Temperature cannot be set during DRY mode.
HEAT mode
Enjoy warm air at your desired temperature.
Emergency operation
Each time the E.O.SW is pressed, the operation changes in
the following order:
Operation indicator lamp
Emergency COOL
Emergency HEAT
Stop
Note:
The fi rst 30 minutes of operation is test run. Temperature
control does not work, and fan speed is set to High.
Auto restart function
Set temperature : 75°F (24°C)
Fan speed : Medium
Horizontal vane : Auto