How it Works
Friedrich
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MR24Y3H
User Manual
52 pgs1.15 Mb0
User Manual 2
29 pgs1.53 Mb0

Friedrich MR24Y3H, MW18Y3H, MR18Y3H, MW24Y3H User Manual

MANUAL
2/24/2010 1:35:59 PM
MODE D’EMPLOI
MW18Y3H MW24Y3H
MR18Y3H MR24Y3H
CONSERVEZ CE MODE D'EMPLOI POUR RÉFÉRENCE ULTÉRIEUR
9315345288
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CONTENTS
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SAFETY PRECAUTIONS ......................................En-1
FEATURES AND FUNCTIONS .............................En-2
NAME OF PARTS ..................................................En-4
PREPARATION ......................................................En-5
OPERATION ..........................................................En-6
TIMER OPERATION..............................................En-8
SLEEP TIMER OPERATION .................................En-9
ADJUSTING THE DIRECTION OF
AIR CIRCULATION............................................. En-10
SWING OPERATION ...........................................En-11
ECONOMY OPERATION ....................................En-11
MINIMUM HEAT OPERATION ............................En-12
MANUAL AUTO OPERATION .............................En-12
CLEANING AND CARE .......................................En-13
TROUBLESHOOTING .........................................En-14
OPERATING TIPS ...............................................En-15
SPECIFICATION .................................................En-16
SAFETY PRECAUTIONS
Before using the appliance, read these “PRECAUTIONS” thoroughly and operate in the correct way.
●
The instructions in this section all relate to safety; be sure to maintain safe operating conditions.
●
“DANGER, “WARNING” and “CAUTION” have the following meanings in these instructions:
●
DANGER!
WARNING!
CAUTION!
DANGER!
This mark indicates procedures which, if improperly performed, are most likely to result in the death of or serious injury to the user or service personnel.
This mark indicates procedures which, if improperly performed, might lead to the death or serious injury of the user.
This mark indicates procedures which, if improperly performed, might possibly result in personal harm to the user, or damage to property.
Do not attempt to install this air conditioner by yourself.
●
This air conditioner contains no user-serviceable parts. Always consult authorized
●
service personnel for repairs. When moving, consult authorized service personnel for disconnection and installa-
●
tion of the air conditioner. Do not become excessively chilled by staying for many hours in the direct cooling airfl ow.
●
Do not insert fi ngers or objects into the outlet port or open panel.
●
Do not start and stop air conditioner operation by disconnecting the power supply cord and so on.
●
Take care not to damage the power supply cord.
●
In the event of a malfunction (burning smell, etc.), immediately stop operation, turn
●
off the breaker, and consult authorized service personnel. If the power supply cord of this appliance is damaged, it should only be replaced by the
●
authorized service personal, since special purpose tools and specifi ed cord are required.
En-1
CAUTION!
Provide occasional ventilation during use.
●
Do not direct airfl ow at fi replaces or heating apparatus.
●
Do not climb on, or place objects on, the air conditioner.
●
Do not hang objects from the indoor unit.
●
Do not set fl ower vases or water containers on top of air conditioners.
●
Do not expose the air conditioner directly to water.
●
Do not operate the air conditioner with wet hands.
●
Do not pull power supply cord.
●
Turn off power supply when not using the indoor unit for extended periods.
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Check the condition of the installation stand for damage.
●
Do not place animals or plants in the direct path of the airfl ow.
●
Do not drink the water drained from the air conditioner.
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Do not use in applications involving the storage of foods, plants or animals, preci-
●
sion equipment, or art works. Connection valves become hot during Heating; handle with care.
●
Do not apply any heavy pressure to radiator fi ns.
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Operate only with air fi lters installed.
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Do not block or cover the open panel and outlet port.
●
Ensure that any electronic equipment is at least one meter away from either the indoor or outdoor units.
●
Avoid installing the air conditioner near a fi replace or other heating apparatus.
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When installing the indoor and outdoor unit, take precautions to prevent access to infants.
●
Do not use infl ammable gases near the air conditioner.
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FEATURES AND FUNCTIONSFEATURES AND FUNCTIONS
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INVERTER
At the start of operation, a large power is used to bring the room quickly to the desired temperature. Afterwards, the unit automatically switches to a low power setting for economic and comfortable operation.
ECONOMY OPERATION
Limits the maximum operation current, and performs opera­tion with the power consumption suppressed. When economy operation mode is operated, the room temperature will be little higher than the set-temp under cooling mode and lower than set-temp under heating mode. Therefore, the economy mode is able to save more energy than other normal mode.
AUTO CHANGEOVER
The operation mode (cooling, dry, heating) is switched auto­matically to maintain the set temperature, and the temperature is kept constant at all times.
MINIMUM HEAT OPERATION
The room temperature can be maintained at 50°F so as to pre­vent the room temperature from falling too far.
PROGRAM TIMER
The program timer allows you to integrate OFF timer and ON timer operations in a single sequence. The sequence can in­volve one transition from OFF timer to ON timer, or from ON timer to OFF timer, within a twenty-four hour period.
HORIZONTAL AIRFLOW: COOLING/ DOWNWARD AIRFLOW: HEATING
For cooling, use horizontal airfl ow so the cool air does not blow directly on the occupants in the room. For heating, use down­ward airfl ow to send powerful, warm air to the fl oor and create a comfortable environment.
OMNI-DIRECTIONAL AIR FLOW (SWING OPERATION)
Three-dimensional control over air direction swing is possible through dual use of both an UP/DOWN air direction swing and RIGHT/LEFT air direction swing. Since UP/DOWN air direction fl aps operate automatically according to the operating mode of the unit, it is possible to set air direction based on the operat­ing mode.
REMOVABLE INTAKE GRILLE
The indoor unit’s INTAKE GRILLE can be removed for easy cleaning and maintenance.
MILDEW-RESISTANT FILTER
The AIR FILTER has been treated to resist mildew growth, thus allowing cleaner use and easier care.
SUPER QUIET OPERATION
When the FAN button is used to select QUIET, the unit begins super-quiet operation; the indoor unit’s airflow is reduced to produce quieter operation.
SLEEP TIMER
When the SLEEP button is pressed during Heating mode, the air conditioner’s thermostat setting is gradually lowered during the period of operation; during cooling mode, the thermostat setting is gradually raised during the period of operation. When the set time is reached, the unit automatically turns off.
WIRELESS REMOTE CONTROLLER
The Wireless Remote Controller allows convenient control of air conditioner operation.
WIRED REMOTE CONTROLLER (OPTION)
The optional wired remote controller (model No.: UTY-RNBLU) can be used. When you use remote controller, there are following different points as compared with using wireless remote controller.
[The additional functions for wired ones]
• Weekly timer
• Temperature set back timer [The restricted functions for wired ones]
• MAINTENANCE (FILTER RESET)
• THERMO SENSOR And you cannot use both wired and wireless remote controller simultaneously.
(Only one kind can be selected)
En-2
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Fig. 1
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a8
a9
a1
ᒝ೙⥄േ
MANUAL
AUTO
Fig. 5
Fig. 6
a10
a15 a16
a18
a11
a12 a13
b1
a17
a1 a3
a14
c1
Fig. 2
a3
Fig. 3
a8
Fig. 4
OPERATION
TIMER
ECONOMY
a2
a5 a6 a7
a4
En-3
b2
b3
b4
b5
b6
b8
b12
b7
b9
b10
b11
b13
b16 b15
b14
c2
c5
c3
c6
c7
c4
c8
c9
Fig. 7
To facilitate explanation, the accompanying illustration has been drawn to show all possible indicators; in actu­al operation, however, the display will only show those indicators appropriate to the current operation.
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NAME OF PARTS
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Fig. 1 Indoor Unit
a1 Operating Control Panel (Fig. 2) a2 MANUAL AUTO button
When kept on pressing the MANUAL AUTO
●
button for more than 10 seconds, the forced cooling operation will start.
●
The forced cooling operation is used at the time of installation.
Only for authorized service personnel's use.
When the forced cooling operation starts by
●
any chance, press the START/STOP button to stop the operation.
a3 Indicator (Fig. 3) a4 Remote Control Signal Receiver a5 OPERATION Indicator Lamp (green) a6 TIMER Indicator Lamp (orange)
If the TIMER indicator lamp flashes when
●
the timer is operating, it indicates that a fault has occurred with the timer setting (See Page 15 Auto Restart).
a7 ECONOMY Indicator Lamp (green)
a8 INTAKE GRILLE (Fig.4) a9 Front Panel a10 Air Filter a11 Airfl ow Direction Louver a12 Power Diffuser a13 Right-Left Louver (behind Airfl ow Direction Louver) a14 Drain Hose
Fig. 5 Outdoor Unit
a15 Intake Port a16 Outlet Port a17 Pipe Unit a18 Drain port (bottom)
Fig. 6 Remote Controller
b1 Signal Transmitter b2 MODE button b3 MIN.HEAT button b4 ECONOMY button b5 SLEEP button b6 TIMER MODE button b7 FAN button b8 START/STOP button b9 SET button (Vertical) b10 SET button (Horizontal) b11 SWING button b12 SET TEMP. button ( b13 TIMER SET (
/ ) button
/
)
b14 CLOCK ADJUST button b15 TEST RUN button
This button is used when installing the air
●
conditioner, and should not be used under normal conditions, as it will cause the indoor unit’s thermostat function to operate incor­rectly.
If this button is pressed during normal op-
●
eration, the indoor unit will switch to test op­eration mode, and the Indoor Unit’s OPERA­TION Indicator Lamp and TIMER Indicator Lamp will begin to fl ash simultaneously.
To stop the test operation mode, press the
●
START/STOP button to stop the air tioner.
b16 RESET button c1 Remote Controller Display(Fig.7) c2 Temperature SET Display c3 Operation Mode Display c4 SLEEP TIMER Display c5 Transmit Indicator c6 Fan Speed Display c7 SWING Display c8 T imer Mode Display c9 Clock Display
condi-
En-4
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PREPARATION
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Turn on the Power
Turn on the circuit breaker
1
Load Batteries (AAA/R03/LR03 u 2)
Press and slide the battery compartment lid on the
1
reverse side to open it.
Slide in the direction of the arrow while pressing the mark.
Insert batteries.
2
Be sure to align the battery polarities ( ) correctly.
Close the battery compartment lid.
3
Set the Current time
Press the CLOCK ADJUST button (Fig. 6 b14).
1
Use the tip of a ball-point pen or other small object to press the button.
CAUTION!
Take care to prevent infants from acciden-
●
tally swallowing batteries.
When not using the Remote Controller for
●
an extended period, remove the batteries to avoid possible leakage and damage to the unit.
If leaking battery fl uid comes in contact with
●
your skin, eyes, or mouth, immediately wash with copious amounts of water, and consult your physician.
Dead batteries should be removed imme-
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diately and disposed of properly, either in a battery collection receptacle or to the appro­priate authority.
Do not attem pt to recharge dry batteries.
●
Never mix new and used batteries, or bat­teries of different types. Batteries should last about one year un­der normal use. If the Remote Controller’s operating range becomes appreciably reduced, replace the batteries and press the RESET button with the tip of a ball­point pen or other small object.
Use the TIMER SET ( / ) buttons (Fig. 6 b13) to
2
adjust the clock to the current time.
button: Press to advance the time. button: Press to reverse the time.
(Each time the buttons are pressed, the time will be advanced/reversed
in one-minute increments; hold the buttons depressed to change the time quickly in ten-minute increments.)
Press the CLOCK ADJUST button (Fig. 6 b14) again.
3
This completes the time setting and starts the clock.
To Use the Remote Controller
The Remote Controller must be pointed at signal receiver (Fig.3 a4) to operate correctly.
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Operating Range: About 23ft (7 meters).
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When a signal is properly received by the air conditioner, a beeping sound will be
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heard.
If no beep is heard, press the Remote Controller button again.
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Remote Controller Holder
Insert
Press in
Screws
Slide up
Pull out
1
En-5
Mount the Holder.2 Set the Remote Controller.
To remove the Remote Con-
3
troller (when use at hand).
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OPERATION
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To Select Mode Operation
Press the START/STOP button (Fig.6 b8).
1
The indoor unit’s OPERATION Indicator Lamp (green) (Fig. 3 a5) will light. The air conditioner will start operating.
Press the MODE button (Fig.6 b2) to select the de-
2
sired mode.
Each time the button is pressed, the mode will change in the following order.
About three seconds later, the entire display will reappear.
To Set the Thermostat
Press the SET TEMP. button (Fig. 6 b12).
button: Press to raise the thermostat setting.
button: Press to lower the thermostat setting.
Thermostat setting range:
●
AUTO ....................................64-88 °F
Heating ..................................60-88 °F
Cooling/Dry ...........................64-88 °F
The thermostat cannot be used to set room temperature during the FAN mode (the tem­perature will not appear on the Remote Controller’s Display).
▲
AUTO COOL DRY
HEAT FAN
▲
▲
▲
▲
Example: When set to COOL.
About three seconds later, the entire display will reappear.
The thermostat setting should be considered a standard value, and may differ somewhat from the actual room temperature.
To Set the Fan Speed
Press the FAN button (Fig. 6 b7).
Each time the button is pressed, the fan speed changes in the following order:
About three seconds later, the entire display will reappear.
When set to AUTO: Heating : Fan operates so as to optimally circulate warmed air.
However, the fan will operate at very low speed when the temperature of
Cooling : As the room temperature approaches that of the thermostat setting, the
Fan : The fan runs at the low fan speed.
The fan will operate at a very low setting during Monitor operation and at the start of the Heating mode.
▲
AUTO HIGH MED LOW QUIET
the air issued from the indoor unit is low.
fan speed becomes slower.
▲
▲
▲
▲
SUPER QUIET Operation
When set to Quiet:
SUPER QUIET operation begins. The indoor unit’s airfl ow will be reduced for quieter operation.
SUPER QUIET operation cannot be used during Dry mode. (The same is true when
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dry mode is selected during AUTO mode operation.)
During Super Quiet operation, Heating and Cooling performance will be reduced
●
somewhat. If the room does not warm up/ cool down when using SUPER QUIET Operation, please adjust the air conditioner’s Fan Speed.
Example: When set to 80°F.
Example: When set to AUTO.
En-6
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OPERATION
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To Stop Operation
Press the START/STOP button (Fig. 6 b8).
The OPERATION Indicator Lamp (green) (Fig.3 a5) will go out.
About AUTO CHANGEOVER Operation
AUTO:● When AUTO CHANGEOVER operation fi rst selected, the fan will operate
at very low speed for about one minute, during which time the unit detects the room conditions and selects the proper operating mode.
If the differance between thermostat setting and actual room temperature
is more than +4 °F o Cooling or dry operation
If the difference between thermostat setting and actual room temperature
is within ±4 °F o Monitor operation
If the difference between thermostat setting and actual room temperature
is more than –4 °F o Heating operation
When the air conditioner has adjusted your room’s temperature to near
●
the thermostat setting, it will begin monitor operation. In the monitor op­eration mode, the fan will operate at low speed. If the room temperature subsequently changes, the air conditioner will once again select the ap­propriate operation (Heating, Cooling) to adjust the temperature to the value set in the thermostat.
(The monitor operation range is ±4 °F relative to the thermostat setting.)
●
If the mode automatically selected by the unit is not what you wish, select
one of the mode operation (HEAT, COOL, DRY, FAN).
About Mode Operation
Heating:● Use to warm your room.
When Heating mode is selected, the air conditioner will operate at very
●
low fan speed for about 3 to 5 minutes, after which it will switch to the se­lected fan setting. This period of time is provided to allow the indoor unit to warm up before begin full operation.
When the room temperature is very low, frost may form on the outside
●
unit, and its performance may be reduced. In order to remove such frost, the unit will automatically enter the defrost cycle from time to time. During Automatic Defrosting operation, the OPERATION Indicator Lamp (green) (Fig.3 a5) will fl ash, and the heat operation will be interrupted.
●
Cooling:● Use to cool your room. Dry:
Fan:
After the start of heating operation, it takes some time before the room
gets warmer.
Use for gently cooling while dehumidifying your room.
●
You cannot heat the room during Dry mode.
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During Dry mode, the unit will operate at low speed; in order to adjust
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room humidity, the indoor unit’s fan may stop from time to time. Also, the fan may operate at very low speed when adjusting room humidity.
The fan speed cannot be changed manually when Dry mode has been
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selected.
Use to circulate the air throughout your room.
●
During Heating mode:
Set the thermostat to a temperature setting that is higher than the current room tem­perature. The Heating mode will not oper­ate if the thermostat is set lower than the actual room temperature.
During Cooling/Dry mode:
Set the thermostat to a temperature setting that is lower than the current room tem­perature. The Cooling and Dry modes will not operate if the thermostat is set higher than the actual room temperature (in Cool­ing mode, the fan alone will operate).
During Fan mode:
You can not use the unit to heat and cool your room.
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TIMER OPERATION
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Before using the timer function, be sure that the Remote Controller is set to the correct current time (☞ P.5).
To Use the ON timer or OFF timer
Press the START/STOP button (Fig. 6 b8)
1
(if the unit is already operating, proceed to step 2).
The indoor unit’s OPERATION Indicator Lamp (green) (Fig. 3 a5) will light.
Press the TIMER MODE button (Fig. 6 b6) to select the
2
OFF timer or ON timer operation.
Each time the button is pressed the timer function changes in the following
order:
The indoor unit’s TIMER Indicator Lamp (orange)(Fig. 3 a6) will light.
Use the TIMER SET buttons (Fig. 6 b13) to adjust the
3
desired OFF time or ON time.
Set the time while the time display is fl ashing (the fl ashing will continue for
about fi ve seconds).
button: Press to advance the time. button: Press to reverse the time.
About fi ve seconds later, the entire display will reappear.
▲
CANCEL OFF ON
PROGRAM(OFF o ON, OFF m ON)
▲
▲
▲
To Use the Program timer
Press the START/STOP button (Fig. 6 b8).
1
(if the unit is already operating, proceed to step 2).
The indoor unit’s OPERATION Indicator Lamp (green) (Fig.3 a5) will light.
Set the desired times for OFF timer and ON timer.
2
See the section “To Use the ON timer or OFF timer” to set the desired mode
and times. About three seconds later, the entire display will reappear. The indoor unit’s TIMER Indicator Lamp (orange) (Fig.3 a6) will light.
Press the TIMER MODE button (Fig. 6 b6) to select the
3
PROGRAM timer operation (OFF
ON or OFF ON
will display).
The display will alternately show “OFF timer” and “ON timer”, then change to
show the time setting for the operation to occur fi rst.
●
The program timer will begin operation. (If the ON timer has been selected
to operate fi rst, the unit will stop operating at this point.)
About fi ve seconds later, the entire display will reappear.
About the Program timer
●
The program timer allows you to integrate OFF timer and ON timer operations in a
single sequence. The sequence can involve one transition from OFF timer to ON timer, or from ON timer to OFF timer, within a twenty-four hour period.
●
The fi rst timer function to operate will be the one set nearest to the current time.
The order of operation is indicated by the arrow in the Remote Controller’s Display (OFFo ON, or OFF m ON).
●
One example of Program timer use might be to have the air conditioner automati-
cally stop (OFF timer) after you go to sleep, then start (ON timer) automatically in the morning before you arise.
To Cancel the Timer
Use the TIMER MODE button to select “CANCEL”. The air conditioner will return to normal operation.
To Change the Timer Settings
Perform steps 2 and 3.
To Stop Air Conditioner Operation while the Timer is Operating
Press the START/STOP button.
To Change Operating Conditions
If you wish to change operating conditions (Mode, Fan Speed, Thermostat Setting, SUPER QUIET mode), after making the timer setting wait until the entire display reappears, then press the appropriate buttons to change the operating condition desired.
To Cancel the Timer
Use the TIMER MODE button to select “CANCEL”. The air conditioner will return to normal operation.
To Change the Timer Settings
1.
Follow the instructions given in the section “To Use the ON Timer or OFF Timer” to select the timer setting you wish to change.
2. Press the TIMER MODE button to select either OFF
To Stop Air Conditioner Operation while the Timer is Operating
Press the START/STOP button.
To Change Operating Conditions
If you wish to change operating conditions (Mode, Fan Speed, Thermostat Setting, SUPER QUIET mode), after making the timer setting wait until the entire display reappears, then press the appropriate buttons to change the operating condition desired.
ON or OFF ON.
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SLEEP TIMER OPERATION
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Unlike other timer functions, the SLEEP timer is used to set the length of time until air conditioner operate is stopped.
To Use the SLEEP Timer
While the air conditioner is operating or stopped, press the SLEEP button (Fig. 6 b5).
The indoor unit’s OPERATION Indicator Lamp (green) (Fig. 3 a5) lights and the TIMER Indicator Lamp (orange) (Fig. 3 a6) light.
To Change the Timer Settings
Press the SLEEP button (Fig. 6 b5) once again and set the time using the TIMER SET (
Set the time while the Timer Mode Display is fl ashing (the fl ashing will continue about fi ve seconds).
button: Press to advance the time. button: Press to reverse the time.
About fi ve seconds later, the entire display will reappear.
About the SLEEP Timer
To prevent excessive warming or cooling during sleep, the SLEEP timer function automatically modifi es the thermostat setting in ac­cordance with the set time setting. When the set time has elapsed, the air conditioner completely stops.
/ ) buttons (Fig. 6 b13).
To Cancel the Timer:
Use the TIMER MODE button to select “CANCEL”. The air conditioner will return to normal operation.
To Stop the Air Conditioner During Timer Operation:
Press the START/STOP button.
During Heating operation:
When the SLEEP timer is set, the thermostat setting is automatically lowered 2 °F every thirty minutes. When the ther­mostat has been lowered a total of 8 °F, the thermostat setting at that time is maintained until the set time has elapsed, at which time the air conditioner automatically turns off.
SLEEP timer setting
Set temp.
30 minutes
1 hour
2 °F
1 hour 30 minutes
4 °F
Set time
6 °F
8 °F
During Cooling/Dry operation:
When the SLEEP timer is set, the thermostat setting is automati­cally raised 2 °F every sixty minutes. When the thermostat has been raised a total of 4 °F, the thermostat setting at that time is maintained until the set time has elapsed, at which time the air conditioner automatically turns off.
SLEEP timer setting
Set time
1 hour
Set temp.
2 °F
4 °F
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ADJUSTING THE DIRECTION OF AIR CIRCULATION
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Adjust the up, down, left, and right AIR directions with the AIR DIRECTION buttons on the Remote Controller.
●
Use the AIR DIRECTION buttons after the Indoor Unit has started operating and the airfl ow-direction louvers have stopped
●
moving.
Vertical Air Direction Adjustment
Press the SET button (Vertical) (Fig. 6 b9).
Each time the button is pressed, the air direction range will change as follows:
1
2 3 4 5 6
Types of Air fl ow Direction Setting:
For better heating/cooling effect, it is recommended to set the air direction in the follow­ing range.
: During Cooling/Dry modes
1,2,3
: During Heating mode
4,5,6
The Remote Controller’s display does not change.
Use the air direction adjustments within the ranges shown above.
●
The vertical airfl ow direction is set automatically as shown, in accordance with the
●
type of operation selected. During Cooling/Dry mode : Horizontal fl ow During Heating mode : Downward fl ow
During AUTO mode operation, for the fi rst minute after beginning operation, airfl ow
●
will be horizontal 1; the air direction cannot be adjusted during this period.
Direction
●
1
2
Only the direction of the Air Flow Direction Louver changes; the direction of the
Power Diffuser does not change.
The air fl ow direction setting will temporarily become 6 when the temperature of the
air fl ow is low at the start of the Heating mode.
After beginning of AUTO/HEAT mode operated and automatic defrosting operation
●
time (see page 15), the airfl ow will be horizontal 6. However, the Airflow Direction cannot be adjusted at beginning AUTO operation
mode.
1
2
3
4 5 6
1
5
DANGER!
Never place fi ngers or foreign objects inside
●
the outlet ports, since the internal fan oper­ates at high speed and could cause per­sonal injury.
Always use the Remote Controller’s
●
SET button to adjust the vertical airfl ow louvers. Attempting to move them man­ually could result in improper operation; in this case, stop operation and restart. The louvers should begin to operate properly again.
During use of the Cooling and Dry
●
modes, do not set the Air Flow Direction Louvers in the Heating range (4 - 6) for long periods of time, since water va­por may condense near the outlet lou­vers and drops of water may drip from the air conditioner. During the Cooling and Dry modes, if the Air Flow Direction Louvers are left in the heating range for more than 30 minutes, they will auto­matically return to position 3.
When used in a room with infants, chil-
●
dren, elderly or sick persons, the air direction and room temperature should be considered carefully when making settings.
Press the SET button (Horizontal)(Fig. 6 b10).
Each time the button is pressed, the air direction range will change as follows:
●
The remote controller’s display does not change.
9315345288_OM.indb 10
Horizontal Air Direction Adjustment
2 3 4 5
1
1
2
3
5
4
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SWING OPERATION
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Begin air conditioner operation before performing this procedure.
To select SWING Operation
Press the SWING button (Fig. 6 b11).
The SWING Display (Fig. 7 c7) will light. Each time the SWING button is pressed, the swing operation will change in the following order.
Up/down swing operation Left/right swing operation
Swing operation stops Up/down/left/right swing operation
To stop SWING Operation
Press the SWING button and select STOP.
Airfl ow direction will return to the setting before swing was begun.
About Swing Operation
Up/down swing: Swing operation begins using the following
●
range according to the current airfl ow direction.
Airfl ow direction is 1–4 (for cooling, dry).
With the upper airfl ow-direction louver in the horizon­tal position, the lower airfl ow-direction louver moves (swings) to direct airfl ow to a wide area.
Airfl ow direction is 3–6 (for heating).
With the airfl ow-direction louvers set for downward or straight down airfl ow, airfl ow is directly mainly at the fl oor.
Left/right swing: The airfl ow-direction louvers move (swing)
●
in the left/right airfl ow direction. Up/down/left/right swing: The airfl ow-direction louvers move
●
(swing) in both the up/down and left/right airfl ow directions. The SWING operation may stop temporarily when the air
●
conditioner’s fan is not operating, or when operating at very low speeds.
If the SET button(Vertical) is pressed during the up/down
●
swing operation, the up/down swing operation will stop and if the SET button(Horizontal) is pressed during the left/right swing operation, the left/right swing operation will stop.
ECONOMY OPERATION
Begin Air Conditioner operation before performing this procedure.
To Use the ECONOMY Operation
Press the ECONOMY button (Fig.6 b4).
The ECONOMY Indicator Lamp (green) (Fig. 3 a7) will light. Economy operation begins.
To Stop the ECONOMY Operation
Press the ECONOMY button (Fig.6 b4) again.
The ECONOMY Indicator Lamp (green) (Fig. 3 a7) will go out. Normal operation begins.
About ECONOMY Operation
At the maximum output, ECONOMY Operation is approximately 70% of normal air conditioner operation for cooling and heating.
●
When ECONOMY operation is performed during the cooling mode, dehumidifi cation is improved. This function is especially con­venient when you want to remove the humidity in the room without signifi cantly lowering the room temperature.
●
During ECONOMY operation, the thermostat setting automatically changes according to the temperature to avoid Unnecessary cooling and heating for the most economical operation.
If the room is not cooled (or heated) well during economy operation, select normal operation.
●
During the monitor period in the AUTO mode, the air conditioner operation will not change to ECONOMY operation even if ECON-
●
OMY operation is selected by pressing the ECONOMY operation button.
When economy operation mode is operated, the room temperature will be little higher than the set-temp under cooling mode and
●
lower than set-temp under heating mode. Therefore, the economy mode is able to save more energy than other normal mode.
● Indicator Lamp
OPERATION
TIMER
ECONOMY
: Lighting : OFF
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MINIMUM HEAT OPERATION
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• The room temperature can be maintained at 50°F by pressing the MIN. HEAT button (Fig.6 b3) so as to prevent the room temperature from falling too far.
● Indicator Lamp
To use MINIMUM HEAT OPERATION
Press the MIN. HEAT button (Fig.6 b3)
The OPERATION indicator lamp (green) (Fig. 3 a5) will go out, and the ECONOMY indicator lamp (green) (Fig. 3 a7) will light.
To stop MINIMUM HEAT OPERATION
: Lighting : OFF
While MINIMUM HEAT OPERATION is in progress, only Airflow Direction Set can be used.
Press the START/STOP button (Fig.6 b8)
Then the OPERATION stops and the ECONOMY indicator lamp (green) (Fig. 3 a7) will go out.
About the MINIMUM HEAT OPERATION
• The Heating mode will not operate if the room temperature is high enough.
MANUAL AUTO OPERATION
Use the MANUAL AUTO operation in the event the Remote Controller is lost or otherwise unavailable.
How To Use the Main Unit Controls
Press the MANUAL AUTO button (Fig. 2 a2) on the main unit control panel.
To stop operation, press the MANUAL AUTO button (Fig. 2 a2) once again. (Controls are located inside the intake grille)
When the air conditioner is operated
●
with the controls on the Main Unit, it will operate under the same mode as the AUTO mode selected on the Remote Controller (see page 7).
The fan speed selected will be “AUTO”
●
and the thermostat setting will be stand­ard.(76
OPERATION
TIMER
ECONOMY
)
°F
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CLEANING AND CARE
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Before cleaning the air conditioner, be sure to turn it off and disconnect the Power Supply Cord.
CAUTION!
●
Be sure the Intake Grille (Fig. 1 a8) is installed securely.
●
When removing and replacing the air fi lters, be sure not to touch the heat exchanger, as personal
●
injury may result.
Cleaning the Intake Grille
1. Remove the Intake Grille.
Place your fi ngers at both lower ends of the grille panel,
1
and lift forward; if the grille seems to catch partway through its movement, continue lifting upward to remove.
Pull past the intermediate catch and open the Intake
2
Grille wide so that it become horizontal.
Intake Grille
2
1
2
1
Intake Grille
Mounting shaft
Knob
2. Clean with water.
Remove dust with a vacuum cleaner; wipe the unit with
warm water, then dry with a clean, soft cloth.
3. Replace the Intake Grille.
Pull the knobs all the way.
1
Hold the grille horizontal and set the left and right
2
mounting shafts into the bearings at the top of the panel.
Press the place where the arrow on the diagram indi-
3
cates and close the Intake Grille.
Mounting shaft
Intake Grille
Intake Grille
2
1
Bearing
Knob
Cleaning the Air Filter
1. Open the Intake Grille, and remove the air fi lter.
Lift up the air fi lter’s handle, disconnect the two lower tabs,
and pull out. Air fi lter handle
Hooks (two places)
2. Remove dust with a vacuum cleaner or by washing.
After washing, allow to dry thoroughly in a shaded place.
3.
Replace the Air Filter and close the Intake Grille.
Align the sides of the air fi lter with the panel, and push
1
in fully, making sure the two lower tabs are returned properly to their holes in the panel.
Close the Intake Grille.
2
(For purposes of example, the illustration shows the unit with­out Intake Grille installed.)
Dust can be cleaned from the air fi lter either with a vacuum
●
cleaner, or by washing the fi lter in a solution of mild deter­gent and warm water. If you wash the fi lter, be sure to allow it to dry thoroughly in a shady place before reinstalling.
If dirt is allowed to accumulate on the air fi lter, air fl ow will
●
be reduced, lowering operating efficiency and increasing noise.
During periods of normal use, the Air Filters should be
●
cleaned every two weeks.
Hooks (two places)
●
●
●
●
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Mounting shaft
Knob
When used for extended periods, the unit may accumulate dirt inside, reducing its performance. We recommend that the unit
be inspected regularly, in addition to your own cleaning and care. For more information, consult authorized service personnel.
When cleaning the unit’s body, do not use water hotter than 104°F, harsh abrasive cleansers, or volatile agents like benzene or
thinner. Do not expose the unit body to liquid insecticides or hairsprays. When shutting down the unit for one month or more, fi rst allow the fan mode to operate continuously for about one-half day to
allow internal parts to dry thoroughly.
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TROUBLESHOOTING
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WARNING!
Before requesting service, perform the following checks:
NORMAL
FUNCTION
Doesn’t operate immedi­ately:
Noise is heard:
Smells:
Mist or steam are emitted:
Airfl ow is weak or stops:
Water is produced from the outdoor unit:
In the event of a malfunction (burning smell, etc.), immediately stop operation, turn off the electrical breaker or disconnect the power supply plug, and consult authorized service personnel. Merely turning off the unit’s power switch will not completely disconnect the unit from the power source. Always be sure to turn off the electrical breaker or disconnect the power supply plug to en­sure that power is completely off.
Symptom
If the unit is stopped and then immediately started again, the com-
●
pressor will not operate for about 3 minutes, in order to prevent fuse blowouts.
Whenever the Power Supply Plug is disconnected and then recon-
●
nected to a power outlet, the protection circuit will operate for about 3 minutes, preventing unit operation during that period.
During operation and immediately after stopping the unit, the sound
●
of water fl owing in the air conditioner’s piping may be heard. Also, noise may be particularly noticeable for about 2 to 3 minutes after starting operation (sound of coolant fl owing).
During operation, a slight squeaking sound may be heard. This is
●
the result of minute expansion and contraction of the front cover due to temperature changes.
During Heating operation, a sizzling sound may be heard occasional.
●
This sound is produced by the Automatic Defrosting operation.
Some smell may be emitted from the indoor unit. This smell is the
●
result of room smells (furniture, tobacco, etc.) which have been taken into the air conditioner.
During Cooling or Dry operation, a thin mist may be seen emitted
●
from the indoor unit. This results from the sudden Cooling of room air by the air emitted from the air conditioner, resulting in condensa­tion and misting.
During Heating operation, the outdoor unit’s fan may stop, and
●
steam may be seen rising from the unit. This is due to Automatic De­frosting operation.
When Heating operation is started, fan speed is temporarily very
●
low, to allow internal parts to warm up. During Heating operation, if the room temperature rises above the
●
thermostat setting, the outdoor unit will stop, and the indoor unit will operate at very low fan speed. If you wish to warm the room further, set the thermostat for a higher setting.
During Heating operation, the unit will temporarily stop operation
●
(Max. 15 minutes) as the Automatic Defrosting mode operates. During Automatic Defrosting operation, the OPERATION Indicator Lamp will fl ash.
The fan may operate at very low speed during Dry operation or
●
when the unit is monitoring the room’s temperature.
During SUPER QUIET operation, the fan will operate at very low
●
speed.
In the monitor AUTO operation, the fan will operate at very low
●
speed.
During Heating operation, water may be produced from the outdoor
●
unit due to Automatic Defrosting operation.
Problem
See Page
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—
15
—
—
15
—
15
6
6
6
15
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TROUBLESHOOTING
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Symptom
Is the Power Supply Plug disconnected its outlet?
CHECK ONCE
MORE
If the problem persists after performing these checks, or if you notice burning smells, or both the ORERATION Indicator Lamp (Fig. 3 a5) and the TIMER Indicator Lamp (Fig. 3 a6) fl ashes, or only the TIMER Indicator Lamp (Fig. 3 a6) fl ashes, immediately stop operation, turn off the electrical breaker, and consult authorized service personnel.
Doesn’t operate at all:
Poor Cooling (or heating) performance:
The unit operates differently from the Remote Control Unit’s setting:
●
Has there been a power failure?
●
Has a fuse blown out, or a circuit breaker been tripped?
●
Is the timer operating?
●
Is the Air Filter dirty?
●
Air the air conditioner’s intake grille or outlet port blocked?
●
Did you adjust the room temperature settings (thermostat) correctly?
●
Is there a window or door open?
●
In the case of Cooling operation, is a window allowing bright sunlight
●
to enter? (Close the curtains.)
In the case of Cooling operation, are there heating apparatus and
●
computers inside the room, or are there too many people in the room?
Is the unit set for SUPER QUIET operation?
●
Are the Remote Controller’s batteries dead?
●
Are the Remote Controller’s batteries loaded properly?
●
Items to check
See Page
—
8 - 9
—
6
5
OPERATING TIPS
Operation and Performance
Heating Performance
This air conditioner operates on the heat-pump principle,
●
absorbing heat from outdoor air and transferring that heat indoors. As a result, the operating performance is reduced as outdoor air temperature drops. If you feel that insuffi cient heating performance is being produced, we recommend you use this air conditioner in conjunction with another kind of heating appliance.
Heat-pump air conditioners heat your entire room by recir-
●
culating air throughout the room, with the result that some time may be required after fi rst starting the air conditioner until the room is heated.
AUTO Restart
In Event of Power Interruption
The air conditioner power has been interrupted by a power
●
failure. The air conditioner will then restart automatically in its previous mode when the power is restored.
Operated by setting before the power failure.
●
Microcomputer-controlled Automatic Defrosting
When using the Heating mode under conditions of low out-
●
door temperature and high humidity, frost may form on the outdoor unit, resulting in reduced operating performance.
In order to prevent this kind of reduced performance, this
unit is equipped with a Microcomputer-controlled Automatic Defrosting function. If frost forms, the air conditioner will temporarily stop, and the defrosting circuit will operate brief­ly (Max. 15 minutes).
During Automatic Defrosting operation, the OPERATION
Indicator Lamp will fl ash.
After heating operation stops, if frost forms on the outdoor
●
unit, the unit will start Automatic Defrosting operation. At this time, the outdoor unit will automatically stop after oper­ating for a few minutes.
If a power failure occurs during TIMER operation, the timer will
●
be reset and the unit will begin (or stop) operation at the new time setting. In the event that this kind of timer fault occurs the TIMER Indicator Lamp will fl ash (see Page. 4).
Use of other electrical appliances (electric shaver, etc.) or
●
nearby use of a wireless radio transmitter may cause the air conditioner to malfunction. In this event, temporarily turn off the circuit breaker, turn it on and then use the Remote Con­troller to resume operation.
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