Cool Mode; Dry Mode; Heat Mode; Fan Mode - Mitsubishi Electric MFZ-KJ25VE Operating Instructions Manual
Floor-type air conditioners
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Also See for MFZ-KJ25VE:
- Service manual (40 pages) ,
- Installation manual (12 pages) ,
- Specifications (2 pages)
Table of Contents
S
ELECTING OPERATION MODES
1
Press
to start the operation.
2
Press
to select operation mode. Each press
changes mode in the following order:
(AUTO)
(COOL)
3
Press
or
to set the temperature.
Each press raises or lowers the temperature by 1°C.
Press
to stop the operation.
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
Standby mode (only during multi
system operation)
Lighted
Blinking
Note:
Multi system operation
Two or more indoor units can be operated by one outdoor unit. When several
indoor units are operated simultaneously, cooling/dry/fan and heating opera-
tions cannot be done at the same time. When COOL/DRY/FAN is selected
with one unit and HEAT with another or vice versa, the unit selected last goes
into standby mode.
(DRY)
(HEAT)
(FAN)
Room temperature
About 2°C or more
away from set tem-
perature
About 1 to 2°C from
set temperature
—
Not lighted
AUTO mode (Auto change over)
The unit selects the operation mode according to the difference between the
room temperature and the set temperature. During AUTO mode, the unit
changes mode (COOL↔HEAT) when the room temperature is 2°C away
from the set temperature for more than 15 minutes.
Note:
• Auto Mode is not recommended if this indoor unit is connected to a
MXZ type outdoor unit. When several indoor units are operated simul-
taneously, the unit may not be able to switch operation mode between
COOL and HEAT. In this case, the indoor unit becomes standby mode
(Refer to table of Operation indicator lamp).
• At the beginning of AUTO mode, the airfl ow direction and the fan speed
are set to AUTO and the air outlet selection is set to 2 Flow.
COOL mode
Enjoy cool air at your desired temperature.
Note:
Do not operate COOL mode at very low outside temperatures (less than
-10°C). Water condensed in the unit may drip and wet or damage furni-
ture, 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.
FAN mode
Circulate the air in your room.
Temperature cannot be set during FAN mode.
Note:
After COOL/DRY mode operation, it is recommended to operate in the
FAN mode to dry inside the indoor unit.
Emergency operation
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.
Each time the E.O.SW is pressed, the operation changes in
the following order:
Operation indicator lamp
Emergency COOL
Emergency HEAT
Stop
Emergency
operation
switch
Note:
(E.O.SW)
• The fi rst 30 minutes of operation is test run. Temperature
control does not work, and fan speed is set to High. The air
outlet selection is set to 2 FLOW.
• In the emergency heating operation, the fan speed gradu-
ally rises to blow out warm air.
Auto restart function
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-
sentative because the setting of the unit needs to be changed.
Set temperature : 24°C
Fan speed : Medium
Horizontal vane : Auto
Air outlet : 2 FLOW
Page 5
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