6
Operate in the following order.
• The timer is operated in the following two ways.
•
Programming the stop time ( ) .... The sys-
tem stops operating after the set time has elapsed.
•
Programming the start time ( ) .... The system
starts operating after the set time has elapsed.
•
The timer can be programmed a maximum of 72 hours.
• The start and the stop time can be simultaneously
programmed.
TIMER MODE START/STO
P
Press the TIMER MODE START/STOP button sev-
eral times and select the mode on the display.
The display flashes.
For setting the timer stop .... “ ”
For setting the timer start .... “ ”
PROGRAMMING TIME
Press the PROGRAMMING TIME button and set
the time for stopping or starting the system.
When this button is pressed, the time
advances by 1 hour.
When this button is pressed, the time
goes backward by 1 hour.
TIMER ON/OFF
Press the TIMER ON/OFF button.
The timer setting procedure ends.
The display “ or ” changes from flash-
ing light to a constant light.
Refer to figure 4 on page [1]
NOTE
• When setting the timer Off and On at the same
time, repeat the above procedure from to
once again.
When the timer is programmed to stop the system
after 3 hours and start the system after 4 hours, the
system will stop after 3 hours and then 1 hour later
the system will start.
• After the timer is programmed, the display shows
the remaining time.
• Press the TIMER ON/OFF button once again to
cancel programming. The display vanishes.
PROGRAM TIMER OPERATION
1
2
3
1
3
Observe the following precautions to ensure the
system operates.
• Adjust the room temperature properly for a com-
fortable environment. Avoid excessive cooling.
• Prevent direct sunlight from entering a room dur-
ing cooling operation by using curtains or blinds.
• Ventilate the room regularly.
Using the unit for long periods of time requires
attentive ventilation of the room.
• Do not place items that might be damaged by
water under the indoor unit.
Water may condensate and drip if the humidity
reaches 80% or if the drain exit gets clogged.
• Keep doors and windows closed. If the doors and
windows remain open, room air will flow out and
cause to decrease the effect of cooling.
•
Do not place heaters directly below the indoor unit.
They may deform due to the heat.
• Never place objects near the air inlet and the air
outlet of the unit. It may cause deterioration in the
effect or stop in the operation.
• Turn off the main power supply switch when it is
not used for long periods of time. When the main
power switch is turned on, some watts of electric-
ity is being used even if the system is not operat-
ing. Turn off the main power supply switch for
saving energy.
• When the display shows “ ” (TIME TO CLEAN
AIR FILTER), ask a qualified service person to
clean the filters (Refer to MAINTENANCE).
ONLY A QUALIFIED SERVICE PERSON IS
ALLOWED TO PERFORM MAINTENANCE
IMPORTANT!
• BEFORE OBTAINING ACCESS TO TERMINAL
DEVICES, ALL POWER SUPPLY CIRCUITS
MUST BE INTERRUPTED
• To clean the air conditioner, be sure to stop oper-
ation, and turn the power switch off. Otherwise, an
electric shock and injury may result.
• Do not wash the air conditioner with water
Doing so may result in an electric shock.
• Be careful with a scaffold or staging
Caution must be exercised because of work at a
high place.
7. OPTIMUM OPERATION
8. MAINTENANCE
(FOR SERVICE PERSONNEL)
02_EN_3VA13886-3A.fm Page 6 Friday, January 24, 2003 9:04 AM
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