Mitsubishi Electric PRH-500MYA Operation Manual page 8

s To Turn Off the Weekly Timer
Press the Timer On/Off button 9 so that "Timer Off" appears at 0.
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0
s To Turn On the Weekly Timer
Press the Timer On/Off button 9 so that the "Timer Off" indication (at 0) goes
dark.
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0
3.6.2. Using the Simple Timer
I You can set the simple timer in any of three ways.
• Start time only: The air conditioner starts when the set time has elapsed.
• Stop time only: The air conditioner stops when the set time has elapsed.
• Start & stop times: The air conditioner starts and stops at the respective
elapsed times.
I The simple timer (start and stop) can be set only once within a 72-hour pe-
riod.
The time setting is made in hour increments.
Notes:
*1. Weekly Timer/Simple Timer/Auto Off Timer cannot be used at the same
time.
*2. The simple timer will not operate when any of the following conditions is
in effect.
The timer is off; the system is in malfunction state; a test run is in progress;
the remote controller is undergoing self-check or remote controller check;
the user is in the process of selecting a function; the user is in the proc-
ess of setting the timer; the system is under central control. (Under these
conditions, On/Off operation is prohibited.)
TEMP.
MENU ON/OFF
BACK MONITOR/SET DAY
PAR-21MAA CLOCK
2 A 9
s How to Set the Simple Timer
2 4
Timer Setting
Hr ON
AFTER
1. Be sure that you are at a standard control screen, and that the simple timer
indicator is visible in the display (at 1).
When something other than the Simple Timer is displayed, set it to SIMPLE
TIMER using the function selection of remote controller (see Installation
Manual).
2. Press the Timer Menu button B, so that the "Set Up" appears on the screen
(at 2). (Note that each press of the button toggles the display between "Set
Up" and "Monitor".)
3. Press the ON/OFF button 1 to display the current ON or OFF simple timer
setting. Press the button once to display the time remaining to ON, and
then again to display the time remaining to OFF. (The ON/OFF indication
appears at 3).
• "ON" timer: The air conditioner will start operation when the specified
number of hours has elapsed.
• "OFF" timer: The air conditioner will stop operation when the specified
number of hours has elapsed.
4. With "ON" or "OFF" showing at 3: Press the appropriate Set Time button A
as necessary to set the hours to ON (if "ON" is displayed) or the hours to
OFF (if "OFF" is displayed) at 4.
• Available Range: 1 to 72 hours
5. To set both the ON and OFF times, repeat Steps 3 and 4.
* Note that ON and OFF times cannot be set to the same value.
8
TIME SUN
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WEEKLY
TIME SUN
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WEEKLY
Hr ON
AFTER
SIMPLE
1
ON/OFF
B
FILTER
4
CHECK TEST
0
OPERATION
CLEAR
3
Action (On or Off)
* "— —" is displayed if there
1
is no setting.
SIMPLE
6. To clear the current ON or OFF setting: Display the ON or OFF setting (see
step 3) and then press the Check (Clear) button 0 so that the time setting
clears to "—" at 4. (If you want to use only an ON setting or only an OFF
setting, be sure that the setting you do not wish to use is shown as "—".)
7. After completing steps 3 to 6 above, press the Filter
the value.
Note:
Your new settings will be cancelled if you press the Mode (Return) button 2 2 2 2 2
before pressing the Filter button 4 4 4 4 4 .
8. Press the Mode (Return) button 2 to return to the standard control screen.
9. Press the Timer On/Off button 9 to start the timer countdown. When the
timer is running, the timer value is visible on the display. Be sure that the
timer value is visible and appropriate.
s Viewing the Current Simple Timer Settings
5
TIMER
1. Be sure that the simple timer indicator is visible on the screen (at 1).
2. Press the Timer Menu button B, so that the "Monitor" appears on the screen
(at 5).
• If the ON or OFF simple timer is running, the current timer value will
appear at 6.
• If ON and OFF values have both been set, the two values appear alter-
nately.
3. Press the Mode (Return) button 2 to close the monitor display and return
to the standard control screen.
s To Turn Off the Simple Timer...
Press the Timer On/Off button 9 so that the timer setting no longer appears on the
screen (at 7).
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s To Turn On the Simple Timer...
Press the Timer On/Off button 9 so that the timer setting becomes visible at 7.
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Examples
If ON and OFF times have both been set at the simple timer, operation and display
are as indicated below.
Example 1:
Start the timer, with ON time set sooner than OFF time
ON Setting: 3 hours
OFF Setting: 7 hours
Hr ON
AFTER
SIMPLE
Hr
AFTER OFF
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SIMPLE
SIMPLE
button 4 to lock in
6
Timer Setting
Hr ON
AFTER OFF
1
SIMPLE
7
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SIMPLE
7
Hr ON
AFTER
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SIMPLE
Display shows the tim-
At Timer Start
er's ON setting (hours
remaining to ON).
Display changes to
show the timer's OFF
setting (hours remain-
At 3 hours after
ing to OFF). The time
timer start
displayed is OFF set-
ting (7 hours) – ON
setting (3 hours) = 4
hours.
At 7 hours after The air conditioner
goes off, and will re-
timer start
main off until someone
restarts it.