¢
Overview
Display panel
a START/STOP
button
Starts and stops operation.
b Display backlight button
Lights during operation.
c Operation lamp
Lights during operation.
d FAN button
Selects the fan speed (AUTO
, MED , LOW ,
and
QUIET
).
e SET TEMP.
button
Selects the setting temperature.
f Standby indicator
Indicates during the oil recovery and defrosting operation.
g Power source indicator
Indicates the main power is on.
h Central control indicator
Indicates when function is locked.
i Fan speed indicator
Deletes the weekly timer schedule.
j Set temperature
• Indicates error history number in error code history
display mode.
• Indicates indoor unit address in address display
mode.
k Operating mode indicator
l Indicator
• Upper:
– Indicates the error code in error code history dis-
play mode and in self diagnosis mode.
– Indicates the refrigerant system address in ad-
dress display mode.
• Lower: Indicates the remote controller address in er-
ror code history display mode, address display
mode, and self diagnosis mode.
2-11. Simple remote controller (Without operation mode: UTY-RHKU) - (05-83) - 2. Control units
CONTROL
SYSTEM
CONTROL
SYSTEM