En-12
8. HOW TO OPERATE DISPLAY UNIT
8.1. Display unit position
WARNING
Never touch electrical components such as the terminal blocks except the button on
the display board. It may cause a serious accident such as electric shock.
CAUTION
Once refrigerant charging is completed, be sure to open the valve prior to
performing the eld settings. Otherwise, the compressor may fail.
Discharge any static electricity from your body before touching the push buttons.
Never touch any terminal or pattern of any parts on the control board.
• The positions of the buttons on the outdoor unit control board are shown in the gure
below.
• Various settings can be adjusted by changing Push buttons on the board of the outdoor
unit.
Inverter cover
• The printed characters for the LED display are shown below.
6:
6:
6: 6: 6:
LED display part
Button part
8.2. Description of display and button
Display lamp Function or operation method
(1) POWER / MODE Green
Lights on while power on. Field setting in
outdoor unit or error code is displayed with
blink.
(2) ERROR Red
Blinks during abnormal air conditioner
operation.
(3) PUMP DOWN
(L1)
Orange Lights on during pump down operation.
(4) LOW NOISE
MODE
(L2, L3)
Orange
Lights on during “Low noise” function when
eld setting is activated. (Lighting pattern of L2
and L3 indicates low noise level)
*See page 13.
(5) PEAK CUT
(L4, L5, L6)
Orange
Lights on during “Peak cut” function when local
setting is activated. (Lighting pattern of L4, L5
and L6 indicates peak cut level)
*See page 13.
Button Function or operation method
SW1 MODE
To switch between “Field setting” and “Error code
display”.
SW2 SELECT
To switch between the individual “Field settings”
and the “Error code displays”.
SW3 ENTER
To x the individual “Field settings” and the “Error
code displays”.
SW4 EXIT To return to “Operation status displays”
SW5 PUMP DOWN To start the pump down operation.
9. FIELD SETTING
CAUTION
Discharge the static electricity from your body before setting up the switches.
Never touch the terminals or the patterns on the parts that are mounted on the
board.
Wall mounted model cannot use this function.
9.1. Field setting buttons
• Remove the front panel of the outdoor unit access the print circuit board of the display
unit.
Print circuit board
button
s for various settings and LED displays are shown in the left
gure.
9379069762_IM.indb 12 3/4/2016 09:03:49
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