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3
Schedule Timer
Display
C
D
F
G
H
E
I
J
A
B
A: Today’s day of the week ( ) Indicates today’s day of the week.
B: Program schedule indication ( ) Appears under days that are scheduled for program operation.
C: Holiday schedule indication (
)
Appears around scheduled holidays.
D: ERROR indication Displayed when a mistake is made during timer setting.
E: Timer program Displays set timer programs. Also, indicates the copy source/destination during
group program copying.
F: Group No. Up to 8 groups can be selected and displayed.
G:
(Disabled Feature) indication
Displayed if the selected feature was disabled during installation.
H: TIMER OFF indication Displayed when the timer has been turned OFF.
I: Copy mode indication Displayed when copying a program into a group or day of the schedule.
J: Present time Displays the present time on a 24-hour clock. Also, displays settings in the
various setting modes.
Using the Schedule Timer
To use the schedule timer, follow the steps below.
STEP1 Turn ON power to the air conditioner.
Turn ON power to the air conditioner connected to the schedule timer. The schedule timer performs initial
communications with the indoor units, during which
blinks on the display.
NOTE
Do not turn off the power mains in heating and cooling seasons. (This keeps the crankcase heater electricity
turned on, which protects the compressor at startup.) If the air conditioner has been OFF for a long period of time,
turn on power 5 hours before starting operation.
STEP 2 Make the initial settings of the schedule timer.
Set the present time and today's day of the week. (Refer to page 3-88.)
STEP 3 Set up programs of the schedule timer.
Make settings for programmed operation. (Refer to page 3-100.)
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