Friedrich MW30C3G User Manual

OPERATING MANUAL  
MODE D’EMPLOI  
MANUAL DE FUNCIONAMIENTO  
INVERTER  
COOLING MODEL  
ROOM AIR CONDITIONER  
WALL MOUNTED TYPE  
Indoor Unit  
MW30C3G  
MW36C3G  
Outdoor Unit  
MR30C3G  
MR36C3G  
KEEP THIS OPERATION MANUAL  
FOR FUTURE REFERENCE  
CONSERVEZ CE MODE D'EMPLOI AFIN DE  
POUVOIR VOUS Y RÉFÉRER ULTÉRIEUREMENT  
GUARDE ESTE MANUAL DE USO PARA  
FUTURAS CONSULTAS  
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FEATURES AND FUNCTIONS  
INVERTER  
REMOVABLE OPEN PANEL  
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.  
The indoor unit’s Open Panel can be removed for easy cleaning  
and maintenance.  
MILDEW-RESISTANT FILTER  
AUTO CHANGEOVER  
The AIR FILTER has been treated to resist mildew growth, thus  
allowing cleaner use and easier care.  
The operation mode (cooling, dry) is switched automatically  
to maintain the set temperature, and the temperature is kept  
constant at all times.  
SUPER QUIET OPERATION  
When the FAN CONTROL button is used to select QUIET, the  
unit begins super-quiet operation; the indoor unit’s airow is  
reduced to produce quieter operation.  
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.  
SLEEP TIMER  
When the SLEEP button is pressed during cooling mode, the ther-  
mostat 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.  
HORIZONTAL AIRFLOW  
For cooling, use horizontal airow so the cool air does not blow  
directly on the occupants in the room.  
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  
aps operate automatically according to the operating mode of  
the unit, it is possible to set air direction based on the operating  
mode.  
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)  
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NAME OF PARTS  
1
Fig. 1  
MANUAL  
AUTO  
8
9
2
Fig. 2  
1
3
3
OPERATION  
5
6
7
D
TIMER  
SUPER QUIET  
=
A
B C  
Fig. 5  
4
Fig. 3  
E
F
8
G
H
Fig. 4  
Fig. 6  
L
W
]
X
\
Z
^
J
K
O
P
Q
a
[
R
S
Y
I
M
V
Fig. 7  
T
N
U
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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Fig. 1 Indoor Unit  
Fig. 6 Remote Controller  
1 Operating Control Panel (Fig. 2)  
2 MANUAL AUTO button  
I SLEEP button  
J MASTER CONTROL button  
When kept on pressing the MANUAL AUTO  
button for more than 10 seconds, the forced  
cooling operation will start.  
K SET TEMP. button (  
L Signal Transmitter  
M TIMER MODE button  
/
)
The forced cooling operation is used at the  
time of installation.  
N TIMER SET (  
/
) button  
O FAN CONTROL button  
P START/STOP button  
Q SET button (Vertical)  
R SET button (Horizontal)  
S SWING button  
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.  
3 Indicator (Fig. 3)  
T RESET button  
4 Remote Control Signal Receiver  
5 OPERATION Indicator Lamp (red)  
U TEST RUN button  
This button is used when installing the condi-  
tioner, and should not be used under normal  
conditions, as it will cause the air conditioner’s  
thermostat function to operate incorrectly.  
If this button is pressed during normal opera-  
tion, the unit will switch to test operation mode,  
and the Indoor Unit’s OPERATION Indicator  
Lamp and TIMER Indicator Lamp will begin  
to ash simultaneously.  
6 TIMER Indicator Lamp (green)  
If the TIMER indicator lamp ashes when the  
timer is operating, it indicates that a fault has  
occurred with the timer setting (See Page 14  
Auto Restart).  
7 SUPER QUIET Indicator Lamp (orange)  
To stop the test operation mode, press the  
START/STOP button to stop the air condi-  
tioner.  
8 Intake Grille (Fig. 4)  
9 Front Panel  
0 Air Filter  
V CLOCK ADJUST button  
W Remote Controller Display (Fig. 7)  
X Transmit Indicator  
A Air Flow Direction Louver  
B Power Diffuser  
C Right-Left Louver  
(behind Air Flow Direction Louver)  
D Drain Hose  
Y Clock Display  
Z Operating Mode Display  
[ Timer Mode Display  
\ Fan Speed Display  
] Temperature SET Display  
` SLEEP Display  
Fig. 5 Outdoor Unit  
E Intake Port  
a SWING Display  
F Outlet Port  
G Pipe Unit  
H Drain port (bottom)  
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PREPARATION  
CAUTION!  
Load Batteries (AAA/R03/LR03 2)  
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.  
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.  
If leaking battery 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 im-  
mediately and disposed of properly, either  
in a battery collection receptacle or to the  
appropriate authority.  
Insert batteries.  
2
3
Be sure to align the battery polarities (  
) correctly.  
Close the battery compartment lid.  
Do not attempt to recharge dry batteries.  
Never mix new and used batteries, or bat-  
teries of different types.  
Set the Current time  
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.  
Press the CLOCK ADJUST button (Fig. 6 V).  
1
2
Use the tip of a ball-point pen or other small object to press the button.  
Use the TIMER SET (  
/
) buttons (Fig. 6 N) to  
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 V) again.  
This completes the time setting and starts the clock.  
3
To Use the Remote Controller  
The Remote Controller must be pointed at signal receiver (Fig. 3 4) to operate cor-  
rectly.  
Operating Range: About 7 meters.  
When a signal is properly received by the air conditioner, a beeping sound will be  
heard.  
If no beep is heard, press the Remote Controller button again.  
Remote Controller Holder  
Insert  
Slide up  
Pull out  
Press in  
Screws  
1
Mount the Holder.  
2
Set the Remote Controller  
3
To remove the Remote Con-  
troller (when use at hand).  
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OPERATION  
To Select Mode Operation  
1
2
Press the START/STOP button (Fig.6 P).  
The indoor unit’s OPERATION Indicator Lamp (red) (Fig. 3 5) will light.  
The air conditioner will start operating.  
Press the MASTER CONTROL button (Fig.6 J) to select  
the desired mode.  
Each time the button is pressed, the mode will change in the following order.  
AUTO  
COOL  
DRY  
FAN  
About three seconds later, the entire display will reappear.  
To Set the Thermostat  
Example: When set to COOL.  
Press the SET TEMP. button (Fig. 6 K).  
button: Press to raise the thermostat setting.  
button: Press to lower the thermostat setting.  
Thermostat setting range:  
AUTO....................................64-88 °F  
Cooling/Dry ...........................64-88 °F  
The thermostat cannot be used to set room temperature during the FAN mode (the tem-  
perature will not appear on the Remote Controller’s Display).  
About three seconds later, the entire display will reappear.  
The thermostat setting should be considered a standard value, and may differ some-  
what from the actual room temperature.  
Example: When set to 80 °F.  
To Set the Fan Speed  
Press the FAN CONTROL button (Fig. 6 O).  
Each time the button is pressed, the fan speed changes in the following order:  
AUTO  
HIGH  
MED  
LOW  
QUIET  
About three seconds later, the entire display will reappear.  
When set to AUTO:  
Cooling : As the room temperature approaches that of the thermostat setting, the fan  
speed becomes slower.  
Fan  
: The fan runs at the MED fan speed.  
SUPER QUIET Operation  
Example: When set to AUTO.  
When set to Quiet:  
7
SUPER QUIET Indicator Lamp (orange) (Fig. 3 ) will light.  
SUPER QUIET operation begins. The indoor unit’s airow will be reduced for quieter  
operation.  
SUPER QUIET operation cannot be used during Dry mode. (The same is true when  
dry mode is selected during AUTO mode operation.)  
During Super Quiet operation, Cooling performance will be reduced somewhat. If the  
room does not cool down when using SUPER QUIET Operation, please adjust the air  
conditioner’s Fan Speed.  
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To Stop Operation  
Press the START/STOP button (Fig. 6 P).  
The OPERATION Indicator Lamp (red) (Fig. 3 5) will go out.  
About AUTO CHANGEOVER Operation  
AUTO:  
When AUTO CHANGEOVER operation 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 difference between thermostat setting and actual room temperature  
is more than +4 °F Cooling or dry operation  
If the difference between thermostat setting and actual room temperature  
is less than +4 °F Monitor 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  
(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 (COOL, DRY, FAN).  
About Mode Operation  
Cooling: Use to cool your room.  
Dry: Use for gently cooling while dehumidifying your room.  
You cannot heat the room during Dry mode.  
During Cooling/Dry mode:  
Set the thermostat to a temperature setting  
that is lower than the current room tempera-  
ture. 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 Dry mode, the unit will operate at low speed; in order to adjust 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  
selected.  
During Fan mode:  
Fan:  
Use to circulate the air throughout your room.  
You can not use the unit to heat and cool  
your room.  
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TIMER OPERATION  
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  
To Cancel the Timer  
Press the START/STOP button (Fig. 6 P)  
(if the unit is already operating, proceed to step 2).  
The indoor unit’s OPERATION Indicator Lamp (red) (Fig. 3 ) will light.  
1
Use the TIMER button to select “CANCEL”.  
The air conditioner will return to normal opera-  
tion.  
5
To Change the Timer Settings  
Press the TIMER MODE button (Fig. 6 M) to select the  
OFF timer or ON timer operation.  
Each time the button is pressed the timer function changes in the following  
order:  
Perform steps 2 and 3.  
2
To Stop Air Conditioner Operation while  
the Timer is Operating  
Press the START/STOP button.  
CANCEL  
OFF  
ON  
To Change Operating Conditions  
PROGRAM (OFF ON, OFF ON)  
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.  
The indoor unit’s green TIMER Indicator Lamp (Fig. 3 6) will light.  
Use the TIMER SET buttons (Fig. 6 N) to adjust the  
desired OFF time or ON time.  
Set the time while the time display is ashing (the ashing will continue for  
about ve seconds).  
3
button: Press to advance the time.  
button: Press to reverse the time.  
About ve seconds later, the entire display will reappear.  
To Use the Program timer  
Press the START/STOP button (Fig. 6 P).  
(if the unit is already operating, proceed to step 2).  
The indoor unit’s OPERATION Indicator Lamp (red) (Fig. 3 5) will light.  
To Cancel the Timer  
1
Use the TIMER MODE button to select “CAN-  
CEL”.  
The air conditioner will return to normal opera-  
tion.  
Set the desired times for OFF timer and ON timer.  
To Change the Timer Settings  
2
See the section “To Use the ON timer or OFF timer” to set the desired mode  
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.  
and times.  
About three seconds later, the entire display will reappear.  
The indoor unit’s TIMER Indicator Lamp (green) (Fig. 3 6) will light.  
2. Press the TIMER MODE button to select  
either OFF  
ON or OFF  
ON.  
Press the TIMER MODE button (Fig. 6 M) to select the  
3
To Stop Air Conditioner Operation while  
the Timer is Operating  
PROGRAM timer operation (OFF  
will display).  
ON or OFF  
ON  
Press the START/STOP button.  
The display will alternately show “OFF timer” and “ON timer”, then change to  
show the time setting for the operation to occur rst.  
To Change Operating Conditions  
The program timer will begin operation. (If the ON timer has been selected  
to operate rst, the unit will stop operating at this point.)  
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.  
About 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 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 (OFF  
ON, or OFF ON).  
One example of Program timer use might be to have the air conditioner automatically  
stop (OFF timer) after you go to sleep, then start (ON timer) automatically in the morn-  
ing before you arise.  
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SLEEP TIMER OPERATION  
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  
To Cancel the Timer:  
While the air conditioner is operating or stopped, press the  
Use the TIMER MODE button to select “CAN-  
CEL”.  
SLEEP button (Fig. 6 I).  
The indoor unit’s OPERATION Indicator Lamp (red) (Fig. 3 5) lights and the TIMER  
Indicator Lamp (green) (Fig. 3 6) light.  
The air conditioner will return to normal opera-  
tion.  
To Stop the Air Conditioner During  
Timer Operation:  
To Change the Timer Settings  
Press the START/STOP button.  
Press the SLEEP button (Fig. 6 I) once again and set the time  
using the TIMER SET (  
/
) buttons (Fig. 6 N).  
Set the time while the Timer Mode Display is ashing (the ashing will continue about  
ve seconds).  
button: Press to advance the time.  
button: Press to reverse the time.  
About ve seconds later, the entire display will reappear.  
About the SLEEP Timer  
To prevent excessive cooling during sleep, the SLEEP timer function automatically modies the thermostat setting in accordance with  
the set time setting. When the set time has elapsed, the air conditioner completely stops.  
During Cooling/Dry operation:  
When the SLEEP timer is set, the thermostat setting is automati-  
cally 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  
4 °F  
2 °F  
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  
When the air conditioner is operated with  
the controls on the Main Unit, it will oper-  
ate under the same mode as the AUTO  
mode selected on the Remote Controller  
(see page 7).  
Press the MANUAL AUTO button (Fig. 2 2) on the main unit  
control panel.  
To stop operation, press the MANUAL AUTO button (Fig. 2 2) once again.  
The fan speed selected will be “AUTO”  
and the thermostat setting will be stand-  
ard.(76°F)  
(Controls are located inside the Open Panel)  
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ADJUSTING THE DIRECTION OF AIR CIRCULATION  
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 airow-direction louvers have stopped mov-  
ing.  
DANGER!  
Vertical Air Direction Adjustment  
Never place ngers or foreign objects inside  
the outlet ports, since the internal fan oper-  
ates at high speed and could cause personal  
injury.  
Press the SET button (Vertical) (Fig. 6 Q).  
Each time the button is pressed, the air direction range will change as follows:  
1
2
3
4
5
6
Always use the Remote Controller’s  
SET button to adjust the vertical airow  
louvers. Attempting to move them manu-  
ally could result in improper operation; in  
this case, stop operation and restart. The  
louvers should begin to operate properly  
again.  
Types of Air ow Direction Setting:  
1,2,3 : During Cooling/Dry modes  
1,2,3,4,5,6 :During Fan mode  
The Remote Controller’s display does  
not change.  
1
During Cooling and Dry modes, do not  
move the vertical air direction louvers  
outside their proper operating range for  
the mode (1 - 3) and into the fan region  
(4 - 6); using the louvers in the fan re-  
gion will cause moisture to condense near  
the air outlet, and water may drop onto  
the oor. During the Cooling/Dry modes,  
if the louvers are operated outside the  
range 1 - 3 for more than 20 minutes,  
they will be automatically returned to the  
3 range.  
2
3
4
5
6
Use the air direction adjustments within the ranges shown above.  
The vertical airow direction is set automatically as shown, in accordance with the type  
of operation selected.  
During Cooling/Dry/Fan mode :  
Horizontal ow 1  
DuringAUTO mode operation, for the rst minute after beginning operation, airow will  
be horizontal 1; the air direction cannot be adjusted during this period.  
When used in a room with infants,  
children, elderly or sick persons, the air  
direction and room temperature should  
be considered carefully when making  
settings.  
Direction 1  
2
Only the direction of the Air Flow Direction Louver changes; the direction of the Power  
Diffuser does not change.  
Horizontal Air Direction Adjustment  
Press the SET button (Horizontal)(Fig. 6 R).  
Each time the button is pressed, the air direction range will change as follows:  
1
2
3
4
5
The remote controller’s display  
does not change.  
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SWING OPERATION  
Begin air conditioner operation before performing this procedure.  
To select SWING Operation  
Press the SWING button (Fig. 6 S).  
The SWING Display (Fig. 7 a) 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.  
Airow direction will return to the setting before swing was begun.  
About Swing Operation  
Up/down/left/right swing: The airow-direction louvers move  
(swing) in both the up/down and left/right airow 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.  
Up/down swing: Swing operation begins using the following  
range according to the current airow direction.  
Airow direction is 1–4 (for cooling, dry).  
With the upper airow-direction louver in the horizon-  
tal position, the lower airow-direction louver moves  
(swings) to direct airow to a wide area.  
Left/right swing: The airow-direction louvers move (swing)  
in the left/right airow direction.  
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CLEANING AND CARE  
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 8) is installed securely.  
When removing and replacing the air lters, be sure not to touch the heat exchanger, as personal injury  
may result.  
Cleaning the Intake Grille  
Cleaning the Air Filter  
1. Remove the Intake Grille.  
1. Open the Intake Grille, and remove the air  
1 Place your ngers at both lower ends of the grille panel,  
and lift forward; if the grille seems to catch partway through  
its movement, continue lifting upward to remove.  
lter.  
Lift up the air lter’s handle, disconnect the two lower tabs,  
and pull out.  
2 Pull past the intermediate catch and open the Intake Grille  
wide so that it become horizontal.  
Intake Grille  
Air lter handle  
2
2
1
Hooks (two places)  
1
2. Remove dust with a vacuum cleaner or by  
Intake Grille  
washing.  
After washing, allow to dry thoroughly in a shaded place.  
Mounting shaft  
3. Replace the Air Filter and close the Intake  
Knob  
Grille.  
1 Align the sides of the air lter with the panel, and push in  
fully, making sure the two lower tabs are returned properly  
to their holes in the panel.  
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.  
1 Pull the knobs all the way.  
Hooks (two places)  
2 Hold the grille horizontal and set the left and right mounting  
shafts into the bearings at the top of the panel.  
2 Close the Intake Grille.  
(For purposes of example, the illustration shows the unit without  
Intake Grille installed.)  
3 Press the place where the arrow on the diagram indicates  
and close the Intake Grille.  
Dust can be cleaned from the air lter either with a vacuum  
cleaner, or by washing the lter in a solution of mild detergent  
and warm water. If you wash the lter, be sure to allow it to  
dry thoroughly in a shady place before reinstalling.  
Mounting shaft  
Intake  
Grille  
Bearing  
2
If dirt is allowed to accumulate on the air lter, air ow will  
be reduced, lowering operating efciency and increasing  
noise.  
1
Knob  
Intake Grille  
During periods of normal use, theAir Filters should be cleaned  
every two weeks.  
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, 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  
In the event of a malfunction (burning smell, etc.), immediately stop operation, turn off the electrical  
WARNING!  
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.  
Before requesting service, perform the following checks:  
Symptom  
Problem  
See Page  
NORMAL  
FUNCTION  
Doesn’t operate immedi-  
ately:  
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.  
Noise is heard:  
During operation and immediately after stopping the unit, the sound  
of water 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 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.  
Smells:  
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.  
Mist or steam are  
emitted:  
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.  
Airow is weak or stops:  
The fan may operate at very low speed during Dry operation or when  
the unit is monitoring the room’s temperature.  
6
6
6
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.  
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TROUBLESHOOTING  
Symptom  
Problem  
See Page  
CHECK ONCE  
MORE  
Doesn’t operate at all:  
Is the Power Supply Plug disconnected its outlet?  
Has there been a power failure?  
Has a fuse blown out, or a circuit breaker been tripped?  
8 - 9  
Is the timer operating?  
Poor Cooling perform-  
ance:  
Is the Air Filter dirty?  
Air the air conditioner’s intake grille or outlet port blocked?  
Did you adjust the room temperature settings (thermostat) cor-  
rectly?  
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?  
6
5
Is the unit set for SUPER QUIET operation?  
The unit operates  
differently from the Remote  
Controller’s setting:  
Are the Remote Controller’s batteries dead?  
Are the Remote Controller’s batteries loaded properly?  
If the problem persists after performing these checks, or if you notice burning smells, or both the ORERATION Indicator Lamp (Fig. 3  
5) and the TIMER Indicator Lamp (Fig. 3 6) ashes, or only the TIMER Indicator Lamp (Fig. 3 6) ashes, immediately stop operation,  
disconnect the Power Supply, and consult authorized service personnel.  
OPERATING TIPS  
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.  
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 ash (see Page. 4).  
Operated by setting before the power failure.  
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 discon-  
nect the Power Supply Plug, reconnect it, and then use the  
Remote Controller to resume operation.  
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OPERATING TIPS  
Temperature and Humidity Range  
Cooling Mode  
Dry Mode  
Outdoor temperature  
Indoor temperature  
About 14 to 115 °F  
About 64 to 90 °F  
About 14 to 115 °F  
About 64 to 90 °F  
If the air conditioner is used under higher temperature conditioner than those listed, the built-in protection circuit may operate to  
prevent internal circuit damage. Also, during Cooling and Dry modes, if the unit is used under conditions of lower temperature than  
those listed above, the heat-exchanger may freeze, leading to water leakage and other damage.  
Do not use this unit for any purposes other than the Cooling, Dehumidifying, and air-circulation of rooms in ordinary dwellings.  
If the unit is used for long periods under high-humidity conditions, condensation may form on the surface of the indoor unit, and drip  
onto the oor or other objects underneath. (About 80% or more).  
If the outdoor temperature is lower than the temperature scope in the list above, in order to keep safety operation of device, the  
outdoor unit may stop operation for certain period of time.  
SPECIFICATION  
TYPE  
COOLING MODEL  
INDOOR UNIT  
MODEL  
MW30C3G  
MR30C3G  
MW36C3G  
MR36C3G  
OUTDOOR UNIT  
POWER  
208/230 V 60 Hz  
COOLING  
CAPACITY  
30,700 Btu/h  
3.24 kW  
33,000 Btu/h  
3.88 kW  
INPUT POWER  
CURRENT  
14.2 A  
17.0 A  
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Friedrich Air Conditioning Co.  
4200 N. Pan Am  
San Antonio, Texas 78218 USA  
Tel. (210) 357-4400 Fax (210) 357-4490  
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