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9. Emergency Operation for Wireless Remote-controller
Fig. 9-1
(For PKA-A·HA / PKA-A·HAL)
Fig. 9-2
When the remote controller cannot be used
When the batteries of the remote controller run out or the remote control-
ler malfunctions, the emergency operation can be done using the emer-
gency buttons.
[Fig.9-1] A DEFROST/STAND BY lamp
B Operation lamp
C Emergency operation switch (heating)
D Emergency operation switch (cooling)
E Receiver
10. Care and Cleaning
°F
TEMP.
■ Indicates that the fi lter needs cleaning.
Ask authorized people to clean the fi lter.
■ When resetting "FILTER" display
When the [FILTER] button is pressed 2 times successively after clean-
ing the fi lter, the display goes off and is reset.
11. Trouble Shooting
Having trouble?
Air conditioner does not heat or cool well.
When heating operation starts, warm air does not blow from the indoor
unit soon.
During heating mode, the air conditioner stops before the set room tem-
perature is reached.
E.O.
SW
°F
FILTER
ON/OFF
Starting operation
• To operate the cooling mode, press the
seconds.
• To operate the heating mode, press the
seconds.
Stopping operation
• To stop operation, press the
than 2 seconds.
[Fig.9-2]
A
DEFROST/STAND BY lamp (Orange)
B
Operation lamp (Green)
C
Emergency operation switch (cooling/heating)
D
Receiver
• Each press of the emergency operation switch will toggle the operation
mode.
• Check "COOL/HEAT" with the operation monitor display. (The orange
lamp
follows this monitor display for 5 seconds after pressing the
A
emergency operation switch.)
[Heat pump type]
Cooling
Heating
Operation Monitor Display
GREEN ORANGE
○
○
STOP
●
○
COOL
●
●
HEAT
: Turning off
: Lighting
Note:
• Details of emergency mode are as shown below.
Operation mode
Set temperature
Fan speed
Airfl ow direction
Note:
● When 2 or more different types of indoor unit are controlled, the cleaning
period differs with the type of fi lter. When the master unit cleaning period
arrives, "FILTER" is displayed. When the fi lter display goes off, the cumu-
lative time is reset.
● "FILTER" indicates the cleaning period when the air conditioner was used
under general indoor air conditions by criteria time. Since the degree of
dirtiness depends on the environmental conditions, clean the fi lter accord-
ingly.
● The fi lter cleaning period cumulative time differs with the model.
● This indication is not available for wireless remote controller.
Here is the solution. (Unit is operating normally.)
■ Clean the fi lter. (Airfl ow is reduced when the fi lter is dirty or clogged.)
■ Check the temperature adjustment and adjust the set temperature.
■ Make sure that there is plenty of space around the outdoor unit. Is the
indoor unit air intake or outlet blocked?
■ Has a door or window been left open?
■ Warm air does not blow until the indoor unit has suffi ciently warmed
up.
■ When the outdoor temperature is low and the humidity is high, frost
may form on the outdoor unit. If this occurs, the outdoor unit performs
a defrosting operation. Normal operation should begin after approxi-
mately 10 minutes.
button
D
for more than 2
button
C
for more than 2
button
D
or the
button
C
[Cooling only type]
Cooling
Stop
The orange lamp follows the
switch operation as indicated
at the left for 5 seconds, and
then it will return to the normal
display.
COOL
HEAT
24°C, 75°F
24°C, 75°F
High
High
Horizontal
Downward 4 (5)
for more
Stop
15
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