Mitsubishi Electric PKFY Series Technical & Service Manual page 5

● Display
CENTRALLY
CONTROLLED display
This indicates when the unit is con-
trolled by optional features such as
central control type remote controller.
TIMER display
This indicates when the continuous
operation and time operation modes
are set.
It also display the time for the timer
operation at the same time as when
it is set.
OPERATION MODE display
This indicates the operation mode.
STANDBY display
This indicates when the standby
mode is set from the time the sleep
operation starts until the heating air
is discharged.
DEFROST display
This indicates when the defrost
operation is performed.
CHECK display
This indicates when a malfunction
has occurred in the unit which should
be checked.
Caution
● Only the Power display lights when the unit is stopped and power supplied to the unit.
● When power is turned ON for the first time the (CENTRAL CTRL) display appears to go off momentarily but this is not a mal-
function.
● When the central control remote control unit, which is sold separately, is used the ON-OFF button, Operation switch button
i
and TEMP button do not operate.
● "NOT AVAILABLE" is displayed when the Air speed button and the Louver button are pressed. This indicates that this room
unit is not equipped with the fan direction adjustment function and the louver function.
● When power is turned ON for the first time, it is normal that " HO " is displayed on the room temperature indication (For max.
2 minutes). Please wait until this " HO " indication disappear then start the operation.
OC179B
CLOCK display
The current time, start time and stop
time can be displayed in ten-second
intervals by pressing the time switch
button. The start time or stop time
is always displayed during the timer
operation.
SET TEMPERATURE display
This displays the selected setting
temperature.
5
FAN SPEED display
The selected fan speed is displayed.
In this display example on
the bottom left, a condition
where all display lamps light
is shown for explanation
purposes although this differs
from actual operation.
ROOM TEMPERATURE display
The temperature of the suction air is
displayed during operation. The dis-
play range is 8° to 39°C. The display
flashes 8°C when the actual tem-
perature is less than 8° and flashes
39°C when the actual temperature is
greater than 39°C.
Operation lamp
This lamp lights during operation,
goes off when the unit stops and
flashes when malfunction occurs.
CHECK MODE
display
TEST RUN
This display lights in the check mode
or when a test operation is per-
formed.
POWER display
This display lights when the filter
need to be cleaned.