915_TCB-EXS21E.book Page 5 Wednesday, August 1, 2007 1:26 AM
Display
A: Today's day of the week
(
)
B: Program schedule
indication (
)
C: Holiday schedule indication
(
)
D: ERROR indication
E: Timer program
F: Group No.
G:
(Disabled Feature)
indication
H: TIMER OFF indication
I:
Copy mode indication
J: Present time
To use the schedule timer, follow the steps below.
STEP 1
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
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 12 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 6)
STEP 3
Set up programs of the schedule timer.
•
Make settings for programmed operation. (Refer to page 8)
OI-915-5-EG
A B
C
D
F
G
H
I
J
Indicates today's day of the week.
Appears under days that are scheduled for program operation.
Appears around scheduled holidays. (Refer to page 16)
Displayed when a mistake is made during timer setting.
Displays set timer programs. Also, indicates the copy source/destination
during group program copying.
Up to 8 groups can be selected and displayed.
Displayed if the selected feature was disabled during installation.
Displayed when the timer has been turned OFF.
Displayed when copying a program into a group or day of the schedule.
Displays the present time on a 24-hour clock. Also, displays settings in the
various setting modes.
Using the Schedule Timer
E
blinks on the display.
EG
5