Ballu KFR-28GW/BP Series, Service Manual

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7.CONTROL MODE
Section 1 Main Control Features
1. Control features of remote controller (refer to the Use and Installation Manual)
2. Display on the indoor unit
(1) Display on the indoor unit KFR-28GW/BPx2/2801 GW/BPx2
“Run ” indicator lamp, green; it is on when the air conditioner is running (Run-mode).
“Standby” indicator lamp, red; it is on when the air conditioner is running in Anti-Cold Air mode.
“Timer” indicator lamp, green; it is on when the air conditioner is running in Timer Control mode.
“High Efficiency ”, orange; it is on when the air conditioner is running in Full Power mode.
The indicator lamps can also display troubles.
(2) Display on the indoor unit KFR-2601GW/BPx2
a. Display of frequency
On the display, there are 12 frequency display bars for display of the frequency at which the compressor is
running. Each bar represents 10 Hz. When the air conditioner is running in High Efficiency mode, the
frequency is indicated to maximum. The bars are lighted one by one from bottom to upper until they
indicate the frequency at which the compressor is running at the current time.
frequency display set indoor outdoor temperature display temporary switch
b. Temperature display
This air conditioner can display temperature setting, room temperature and outdoor temperature
respectively. The temperature can be switched over by the help of the “Temperature Switch” button on the
remote controller. The air conditioner indicates “Temperature Setting” by default when it gets started. If
you press the “Temperature Switch” button, the display will change by the sequence from room
temperature outdoor temperature temperature setting.
Note: When the indoor is able to receive the temperature signal from the remote controller, and the sensor
in the remote controller is switched over to the remote control temperature state, the room temperature
indicated is the room atmosphere detected by the remote controller. Otherwise, what has been indicated is
the room temperature detected by the air conditioner itself.
c. Trouble Alarm
When the air conditioner is in trouble, it will stop itself. In this case, the serviceman may press the
“Sensor Switch”button on the remote controller for consecutive two times and set the built-in sensor in a
position to detect the temperature. At this time, a trouble code will be displayed on the LCD on the air
condition and blink in back light. In case of a failure in the indoor, the word “indoor”appears on the LCD.
In case of a failure in the outdoor, the word “outdoor”appears on the LCD. The displaying lasts 6 seconds
with an orange background.
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