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1-16
COOL/HEAT/TIMER
(BLUE/RED/VIOLET)
Operation
BLUE
Cool mode
RED
Heat mode
RED
Auto mode in Heating operation
BLUE
Auto mode in Cooling operation
VIOLET
Timer on
BLUE
Fan mode on
BLUE
Dry mode on
RED
Defrost operation
BLUE
Unit error
ON
Blinking
IR Signal Receiver
When an infrared remote control operating signal has been
transmitted, the signal receiver on the indoor unit will respond
as below to confirm acceptance of the signal transmission.
LED Indicator Lights for Cooling Unit/Heat Pump
Unit
Cooling Unit/Heat Pump Unit
The table shows the LED indicator lights for the air conditioner
unit under normal operation and fault conditions. The LED
indicator lights are located at the side of the air conditioner
unit.
The heat pump units are equipped with an “auto” mode
sensor whereby it will provide reasonable room temperature
by switching automatically to either “cool” or “heat” mode
according to the temperature set by the user.
Cool/Heat/Timer
IR Receiver
ON/OFF switch
IR Receiver
INDICATOR LIGHTS
ON to OFF 1 Long Beep
OFF to ON
Pump down / Cool force on
2 Short Beep
Others 1 Short Beep
LED Indicator Lights: Normal Operation And Fault Conditions For Cooling/Heat Pump Unit
Additional refrigerant charge [oz (g)] per additional 3.28ft (1m) length as tabulated.
The refrigerant is pre-charged in the outdoor unit. If the piping length is less than 25ft (7.6m), then additional charge after
vacuuming is not necessary. If the piping length is more than 25ft (7.6m), then use the additional charge value as indicated
in the table.
Example:
FTXB09 & RXB09 with 39.4ft (12m) piping length, additional piping length is 14.4ft (4.4m).
Thus, Additional charge = 14.4ft (4.4m)x 0.21oz/ft [20g/m]
= 3.024oz [88.0g]
Model
Indoor (FTXB/FTKB) 09 12 18 24
Outdoor (RXB/RKB) 09 12 18 24
Additional charge [oz/ft (g/m)]
0.21 (20) 0.21 (20) 0.21 (20) 0.21 (20)
ADDITIONAL CHARGE
ON/OFF
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