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14 Servicing Mode
14.1. Auto Switch Operation
The below operations will be performed by pressing the "AUTO" switch.
1. AUTO OPERATION MODE
The Auto operation will be activated immediately once the Auto Switch is pressed and release before 5 sec.
2. TEST RUN OPERATION (FOR PUMP DOWN/SERVICING PURPOSE)
The Test Run operation will be activated if the Auto Switch is pressed continuously for more than 5 sec. to below 8 sec. A
"beep" sound will occur at the fifth sec., in order to identify the starting of Test Run operation.
3. HEATING TRIAL OPERATION
Press the AUTO switch continuously for more than 8 sec. to below 11 sec. and release when a "beep, beep" sound is heard at
eight sec. (However, a "beep" sound is occurred at fifth sec.) then press remote controller "A/C Reset" button once.
Remote controller signal will activate operation to force heating mode.
4. REMOTE CONTROLLER RECEIVING SOUND ON/OFF
The ON/OFF of remote controller receiving sound can be change over by following steps:
a. Press the AUTO switch continuously for more than 16 sec. to below 21 sec. a "beep, beep, beep, beep" sound will occur
at the sixteenth sec.
b. Press the "A/C Reset" button once. Remote controller signal will activate the remote controller sound setting mode.
c. Press the "Check" button once at remote controller. A "beep" sound will occur.
d. Press the AUTO switch once to select remote controller receiving sound ON/OFF. A "beep" sound indicates receiving
sound ON, and a long "beep" sound indicates receiving sound OFF.
5.
a. When the switch is pressed between 0 to 5 seconds, Auto Mode operation starts to function.
b. When the switch is pressed between 5 to 8 seconds, the unit is forced to operate in Cooling Mode.
c. When the switch is pressed between 8 to 11 seconds, the unit will enter forced Heating Mode standby. Press timer
decrement button for 5S for the unit to operate in Heating Mode.
d. When the switch is pressed between 11 to 16 seconds and together with the signal from remote control (timer decrement
button for 5S), the unit can be changed to different controlling setting (4 type of transmission codes).
e. When the switch is pressed between 16 to 21 seconds, either "H14" error detection selection mode or the remote control
signal receiving sound can be cancelled or turned on.
14.2. Selecting The Wireless Remote Control Transmission Code
When there are more than one indoor units installed in the same room, it is possible to set different remote control receiving signal
by modifying the jumpers inside Remote Control.
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