Panasonic Universal Remote CZ RWSC1U User Manual

Operating Instructions  
Wireless Remote Control System  
Model No. CZ-RWSU1U  
CZ-RWST1U  
CZ-RWSU2U  
CZ-RWSC1U  
CZ-RWSY1U  
CZ-RWSK1U  
Before operating the unit, read these operating instructions  
thoroughly and keep them for future reference.  
1006 Kadoma, Kadoma City, Osaka, Japan  
85464609158012  
CV6233189680  
 
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1. IMPORTANT SAFETY INSTRUCTIONS  
Before using the system, be sure to read these  
“IMPORTANT SAFETY INSTRUCTIONS”.  
After reading this manual, save it in a convenient  
place.  
Electric shock or fire may result if an  
inexperienced person performs any installation  
procedures incorrectly.  
Note:  
• This device complies with Part 15 of the FCC  
Rules. Operation is subject to the following  
two conditions: (1) This device may not cause  
harmful interference, and (2) this device must  
accept any interference received, including  
interference that may cause undesired  
operation.  
Warning  
Installation Precautions  
Do not install yourself.  
• This equipment has been tested and found  
to comply with the limits for a Class B digital  
device, pursuant to part 15 of the FCC Rules.  
These limits are designed to provide reasonable  
protection against harmful interference in  
a residential installation. This equipment  
generates, uses and can radiate radio  
frequency energy and, if not installed and used  
in accordance with the instructions, may cause  
harmful interference to radio communications.  
However, there is no guarantee that interference  
will not occur in a particular installation. If this  
equipment does cause harmful interference  
to radio or television reception, which can be  
determined by turning the equipment off and  
on, the user is encouraged to try to correct the  
interference by one or more of the following  
measures:  
• Reorient or relocate the receiving antenna.  
• Increase the separation between the  
equipment and receiver.  
• Connect the equipment into an outlet on a  
circuit different from that to which the receiver  
is connected.  
• Consult the dealer or an experienced radio/TV  
technician for help.  
Installation should always be performed by your  
dealer or a professional service provider.  
Electric shock or fire may result if an  
inexperienced person performs any installation  
or wiring procedures incorrectly.  
Use only specified air conditioners.  
Always use only air conditions specified by the  
dealer.  
Precautions for Use  
Do not touch switches with wet hands.  
Electric shock and damage to the system can  
result.  
Protect the remote controller from water.  
Damage to the system can result.  
Stop the system and turn the power off if you  
sense unusual smells or other irregularities.  
Continuing operation when the system is out of  
order can result in electric shock, fire, and  
damage to the system. Contact your dealer.  
Do not swallow the battery.  
Moving and Repair Precautions  
• FCC Caution: To assure continued compliance,  
follow the attached installation instructions.  
Any changes or modifications not expressly  
approved by the party responsible for  
compliance could void the user’s authority to  
operate this equipment.  
Do not repair.  
Never repair the system by yourself.  
Contact your dealer before moving the system.  
Contact your dealer or a professional service  
provider about moving and reinstalling the system.  
1
 
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2. NAMES AND OPERATIONS  
One remote controller can control a group of up to eight indoor units.  
(See Page 14)  
REMOTE CONTROLLER  
1. Operation Display  
11. Filter button  
CZ-RWSC1U  
Displays the operation status. (The figure  
shows all the statuses.)  
• The auto-flap display may be different,  
depending on the installed unit. (See  
Page 13)  
Press to turn off the filter lamp on the  
receiver.  
12. Mode Select button  
Press to switch the operation mode.  
2. Start/Stop button  
13. Ventilation button  
Pressing this button once starts and pressing  
again stops the operation.  
Use this when connected to an aftermarket  
fan. Pressing this button starts and stops the  
fan. When the air conditioner is started or  
stopped, the fan starts or stops at the same  
3. Fan speed button  
4. Swing/Wind Direction button  
5. Timer setting button  
time. (  
appears on the display of the  
Use for operating with a timer.  
remote controller when the fan is operating.)  
6. Reset button  
14. Address button  
Use this button after changing the batteries.  
15. Sensor button  
7. Cover  
Use this when switching to detect the  
temperature at the remote controller. At  
shipping the default setting is set to detect  
Press at the top center and then slide down.  
8. Transmitter  
the temperature at the unit. At this time  
shown on the display.  
is  
9. Remote control sensor  
Detects the temperature at the remote  
controller when detection has been switched  
to the remote controller by the sensor button.  
16. Clock button  
Use this when setting the clock.  
10. Temperature setting buttons  
raises the temperature setting.  
lowers the temperature setting.  
From this page on the names of remote control  
buttons will be abbreviated as the illustration of  
the “button”.  
E.g.: Start/Stop button Æ  
2
 
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REMOTE CONTROLLER  
8
9
1
2
3
4
10  
11  
12  
13  
14  
5
15  
16  
6
7
3
 
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2. NAMES AND OPERATIONS (Cont.)  
RECEIVER  
1. Receiver  
in conjunction with a wired remote controller  
(sold separately). (Consult with the dealer  
where the product was purchased about  
making the settings.)  
Receives the signal sent from the remote  
controller.  
2. Emergency operation button  
Test/On switch  
This is used during service. It is not for  
normal use.  
Display lamps  
When an error occurs, one of the lamps flashes. When a  
display lamp is blinking, refer to “14. BEFORE  
REQUESTING SERVICE”.  
Test Run/On switch  
This is used during service. It is not for  
normal use.  
3. Operating lamp  
This lamp is lit when the unit is operating.  
9. Address switch  
4. Timer lamp  
Differentiate between incoming and outgoing  
signals.  
This lamp is lit when the timer is set.  
5. Standby lamp  
Note  
• When the heater is working, the lamp  
lights at the following times. When the  
thermostat has operated during defrosting  
at the time of the startup.  
If a heat pump model is being used, it will beep  
twice and the operating lamp will light up on the  
display; if the timer and standby lamps blink  
alternately, a conflict between the heating and  
cooling exists, so the unit cannot operate in the  
desired mode. (On models that do not have Auto  
function, even if Auto is selected, it works in the  
same way.)  
• The lamp flashes when an error occurs.  
6. Filter lamp  
This lamp is for notifying you when the filter  
needs to be cleaned.  
When the local operation is disabled by such as  
the centralized control, and if the Start, Stop, Mode  
or Temperature setting buttons are pressed, the  
unit will beep five times and the change will not be  
made.  
7. Swing button  
8. Normal/Stop All switch  
Use in the Normal position. It does not  
operate in the Stop All position.  
Remote control, main / remote control,  
secondary, switch  
In normal use this should be on remote  
control, main. It is also possible to use both  
4
 
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RECEIVER  
CZ-RWSU1U  
CZ-RWST1U  
2
2
3
4
5
1
3
4
5
1
CZ-RWSY1U  
CZ-RWSC1U  
2
3
4
1
2
1
7
5
8
9
3
4
5
6
5
 
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2. NAMES AND OPERATIONS (Cont.)  
RECEIVER  
CZ-RWSU2U  
Display  
3
4
5
1
2
Operation Panel  
9
8
7
Indoor Unit (CZ-RWSK1U)  
3
4
5
2
6
 
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3. INSTALLING BATTERIES  
1. Remove the cover.  
2. Insert two AAA alkaline batteries.  
Put the batteries in with the polarity [+/–] as shown in the  
figure.  
3. Gently insert one end of an unfolded paper clip  
(or a similar object that can fit) into the Reset hole  
and press the reset button inside the hole and  
then put the cover back on.  
Reset hole  
Note  
Change the batteries when the display of the remote controller  
gets weak or if it will not work unless close to the receiver.  
(Alkaline batteries generally last about one year.)  
When changing batteries, always use two fresh batteries of the  
same make.  
If the remote controller will not be used for a long period of  
time, remove the batteries.  
Please dispose of batteries appropriately.  
Cover  
After changing the batteries, follow the procedures on the next  
page to reset the current time.  
HOW TO REMOVE BATTERIES  
1. Remove the cover.  
2. Press the battery toward the negative end and  
lift it out by its positive end. (As shown at right)  
3. Remove the other battery in the same way.  
Note  
Dispose of the used batteries at the designated location in  
compliance with the applicable local ordinances.  
Warning  
Do not swallow the battery.  
After removing the battery from remote controller, keep it away from the reach of children.  
The battery can cause death by suffocation if swallowed.  
When inserting the battery, make sure the polarities (+ and -) are correct.  
7
 
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4. SETTING THE CURRENT TIME  
After changing the batteries and pressing reset, be sure to reset the  
current time.  
(When reset is pressed, the current time reverts to [  
1. Press for two seconds or more.  
Once the clock displays starts blinking, the clock can be set.  
2. Set the hour with of the  
If you press and hold the button, the time changes quickly.  
3. Set the minutes with of the  
If you press and hold the button, the time changes quickly.  
4. Pressing completes the time setting.  
While you are setting the current time, the time display flashes but  
])  
/
.
/
.
the colon does not.  
If the buttons are not pressed for three minutes while setting the  
current time, it is set to the displayed time.  
Note  
When reset is pressed, the timer settings are deleted.  
3
2
1, 4  
8
 
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5. OPERATION  
, Dry , Cool , Fan  
Auto , Heat  
Models that only provide the cooling function cannot operate in the auto or heating modes.  
Power:Turn on the power of the indoor unit at least 14 hours  
before operation.  
1. Press  
2. Press  
.
,
,
and select from among Auto  
Heat  
Dry  
,
Cool and Fan  
and select the desired speed.  
If set to Auto , the fan speed switches automatically. (Auto does  
.
1
3. Press  
3
not work when in the Fan mode.)  
4. Press one of the  
buttons and set the desired  
temperature.  
4
2
Temperature settings cannot be made when in the Fan mode.  
MAX  
MIN  
80  
62  
Auto  
Heat  
78  
86  
60  
64  
Dry / Cool  
Stop: Press  
.
When the unit is stopped with the remote controller, even though  
the compressor of the outdoor unit stops, the fan on the outdoor  
unit may continue to run for a while.  
9
 
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5. OPERATION (Cont.)  
If the unit is not heating very effectively with a Low fan speed , switch the fan  
speed to High  
or  
Medium.  
Depending on the indoor unit being used, it may indicate a function that it does not have. (The fan  
speed is set.)  
If you cannot turn the air conditioner off in the normal way.  
Disconnect the power to the indoor unit and contact the dealer where the product was purchased.  
<Auto Operation>  
If all the indoor units are identical in a cooling system and are under control as one group, it heats or  
cools automatically via the differences between the set temperature and the room temperature.  
<Dry Operation>  
Depending on the indoor unit used, the remote controller may have a [Dry] indicator on its display  
even though the unit does not have the Dry function. (Same as cooler operation)  
When the room temperature approaches the temperature setting, the unit continues to start up or  
stop automatically.  
When the drying mode stops operating, the indoor unit’s fan blows a gentle breeze in order to keep  
the moisture from returning to the room at a minimum.  
Depending on the indoor unit used, and/or the temperature in the room, the fan speed may not be  
adjustable.  
Depending on the unit used, when the outside air temperature is 59 °F or less, the dry function will  
not operate.  
10  
 
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6.TIMER OPERATION  
When setting the timer, make sure the current time on the remote controller is accurate.  
The timer’s clock can only be set when the display of the remote controller is ON.  
After setting the timer, put the remote controller in a place where its signal will reach the receiver of  
the indoor unit. (When the time set for the timer is reached, a signal is sent from the remote  
controller to Start/Stop the unit.)  
Using the Timer  
1. Press either  
being displayed, if you press  
or  
/
, and while the time is  
again, a scheduled time can  
/
of the  
be set.  
The time last set on the timer is displayed.  
“--:--“ indicates time to change the batteries.  
or  
and set the timer to the  
2. Press either  
desired time.  
/
of the  
Every time you press  
/
, the time changes in 10 minute increments.  
If you press and hold the button, the time changes quickly.  
3. After setting the timer, if you press  
, the time you set  
changes to a steady display, indicating settings are complete.  
After the timer setting is displayed for three seconds, the display reverts to  
the current time.  
3
1, 2  
11  
 
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6.TIMER OPERATION (Cont.)  
Combining ON and OFF Timers  
Setting the ON and OFF timers, respectively.  
Checking the timer setting  
If you press either  
/
for the  
or the  
, the scheduled time is displayed for four  
seconds.  
When no timer setting has been made, it displays --:--. (Initial Setting)  
Changing a timer setting  
Press  
/
for the  
or the  
, and then when the timer setting is displayed, press  
/
for the timer again.  
Canceling a timer setting  
If you press [CANCEL], the timer setting is canceled.  
If you wish to cancel the setting for either the or the  
timer and when the scheduled time is displayed, press [CANCEL].  
timer, press  
/
or the desired  
Using the same timer setting every day  
If you press  
operate the unit at the same time every day.  
If you press again for two seconds or more, “  
for 2 or more seconds, “  
” is displayed and the ON timer or the OFF timer will  
” goes off and the timer operates just once.  
12  
 
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7. ADJUSTING THE WIND DIRECTION  
Never try to manually move the flap (up-down wind direction plate) that is operated by the remote  
controller.  
When the unit stops, the flap (up-down wind direction plate) automatically faces downwards.  
When the unit is in heating standby, the flap (up-down wind direction plate) faces upward. Also,  
bear in mind that the flap starts swinging after the heating standby mode is released, but the  
display on the remote controller indicates Auto Flap during standby heating as well.  
CZ-RWSU1U/CZ-RWST1U/CZ-RWSU2U/  
CZ-RWSY1U/Indoor Unit (CZ-RWSK1U)  
In the Heat Mode  
Please face the flap (up-down wind  
direction plate) downwards. If it faces  
upwards, the warm air will not reach  
the floor level.  
Setting the Wind Direction  
While the unit is operating, every time you press , the  
direction the flap faces changes.  
Initial Setting  
Setting Flap to Swing  
In the Cool and Dry Modes  
If you press  
plate) in its most downward facing position, and then  
press again, is displayed and the flap swings  
to set the flap (up-down wind direction  
Please face the flap (up-down wind  
direction plate) upwards. If the plate  
faces downwards, condensation  
automatically up and down.  
may form and drip from around the  
air outlet.  
Initial Setting  
ꢀꢀ  
Stopping Flap Swing  
If you press  
again while the flap is swinging, you can  
In the Fan Mode  
In All Modes  
stop the flap from swinging and set it in place as desired.  
Thereafter, if you press , you can set the wind direction  
starting from the most upward position.  
When the unit is in the Cool or Dry modes, the flap cannot  
stop facing downwards. If you try to stop the flap from  
swinging while it is facing downwards, it will continue  
moving until it is in the third position from the top.  
Moves Constantly  
Initial Setting  
Displays with Swing Stopped  
Fan/Heat Modes  
Cool/Dry Modes  
13  
 
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7. ADJUSTING THE WIND DIRECTION (Cont.)  
CZ-RWSC1U  
The available functions differ depending on the indoor unit being used. The wind direction cannot  
be set via remote controller for any models other than those noted below. For more information,  
please refer to the users’ manual that came with your indoor unit.  
Four-direction Ceiling Cassette Models, Bi-directional Ceiling Cassette Models,  
Unidirectional Cassette Models for High Ceilings, Ceiling Suspended Models, Wall  
Models  
Please refer to Setting the Wind Direction and Stopping Flap Swing.  
8. OPERATING MULTIPLE IN/  
(Group Control)  
OUTDOOR UNITS SIMULTANEOUSLY  
Group control works well for providing air  
conditioning to one, large room with more  
Indoor Unit  
than one air conditioning units.  
One remote controller can operate up to eight  
indoor units.  
All the indoor units have identical settings.  
Set temperature sensing to the indoor unit (Main  
Sensor). (See Pages 1 and 2)  
Receiver  
Indoor Unit  
Signal Line  
Wireless Remote Controller  
14  
 
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9. USING THE REMOTE CONTROLLER  
Point the transmitter of the remote controller at the receiver. When the signal is received correctly it  
will beep once. (It beeps twice only when the unit starts operating.)  
The signal can be received at a distance of about 19 ft. This distance should be used only as a  
guide. It depends on battery strength.  
Make sure nothing is between the remote controller and the receiver that could block the signal.  
Do not leave the remote controller in direct sunlight, where the wind from the air conditioner can  
blow directly on it, or near any other heat source.  
Take care not to drop, throw or wash the remote controller with water.  
The signal from the remote controller may not be received in rooms with rapid start fluorescent  
lighting, inverter lights, plasma displays, LCD televisions (monitor), etc. For more information, please  
contact the dealer where the product was purchased.  
Wall Mount Use  
Fasten the Remote  
Controller mount  
with screws.  
Fitting the Remote  
Controller in the  
mount.  
Press  
from the location you wish to mount the remote  
controller and make sure the signal is received correctly.  
Pull the remote controller forward to remove it.  
Press  
2
Put in  
1
Remote Controller  
mount  
10. FOR BEST RESULTS  
Don’t get the remote controller too far away from the receiver.  
This may cause a malfunction.  
Be sure to keep the remote controller in the same room as the receiver.  
Point the remote controller at the receiver.  
When the signal is received correctly it will beep one time.  
Avoid locating the remote controller where it is covered, such as behind a curtain.  
Keep it out in the open.  
15  
 
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11. ADDRESSES  
In both multi and single unit installations, when more than one indoor unit is installed in the same  
room with a compatible remote controller, addresses can be set up to avoid crosstalk.  
By setting the address switches on the receivers and matching them with the number of addresses on  
the remote controller, up to six indoor units can be controlled separately with the remote controller.  
(When using units in a flexible combination or operating multiple units simultaneously, as they are  
operated at the same time, they cannot be controlled individually.)  
1
There are separate address settings, receiver addresses for the receivers* and transmitter addresses  
for the remote controller.  
For more information, please contact the dealer where the product was purchased.  
The setting procedure is different for CZ-RWSY1U and Indoor Unit (CZ-RWSK1U). (See Page 18)  
These settings are saved in nonvolatile memory in the remote controller, so even when its batteries  
are changed, the settings do not have to be made again.  
1
*
CZ-RWST1U is of receivers (Inside the indoor unit); CZ-RWSU2U is of an operation panel. (Inside  
the indoor unit)  
Checking Addresses  
When you press  
on the remote controller, its current address is shown in the display. If this  
2
address corresponds to the address of a receiver* , the buzzer sounds. (If it is on ALL, the buzzer will  
always sound.)  
If it is on ALL, it can be operated regardless of receiver addresses. Point the remote controller at the  
receiver you wish to operate and transmit.  
2
*
CZ-RWSU2U is a receiver (Indoor unit)  
Matching up Addresses  
Setting Remote Control Addresses  
1. If you press  
2. While holding  
6ÆALL.  
and  
at the same time, “  
” will blink.  
, it cycles from ALLÆ1Æ2Æ3…  
down, every time you press  
Set it to the receiver address switch of the indoor unit you wish to operate.  
3. When you release , the address that was displayed is set.  
When you do this, if it corresponds to the receiver’s address setting, the buzzer sounds.  
16  
 
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Address  
Display on  
the remote  
controller  
• • • • •  
CZ-RWSU1U  
For 1, 2 and 3, set the  
switch on the right and for 4,  
5 and 6, to the left.  
Position of  
receiver’s  
(inside indoor  
unit) address  
switch  
The position of the  
receiver’s address  
switch does not  
matter.  
• • • • •  
CZ-RWST1U  
For 1, 2 and 3, set the  
switch on the left and for 4,  
5 and 6, to the right.  
123  
456  
123  
456  
Position of  
receiver’s  
(inside indoor  
unit) address  
switch  
The position of the  
receiver’s address  
switch does not  
matter.  
• • • • •  
123  
456  
CZ-RWSU2U  
For 1, 2 and 3, set the  
switch on the left and for 4,  
5 and 6, to the right.  
Position of  
The position of the  
receiver’s address  
switch does not  
matter.  
the operation  
panel’s (inside  
indoor unit)  
• • • • •  
address switch  
CZ-RWSC1U  
For 1, 2 and 3, set the  
switch on the left and for 4,  
5 and 6, to the right.  
The position of the  
receiver’s address  
switch does not  
matter.  
Position of  
the Receiver’s  
Address Switch  
• • • • •  
17  
 
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11. ADDRESSES (Cont.)  
Setting Addresses (CZ-RWSY1U/CZ-RWSK1U)  
(Setting the address of the indoor unit)  
1. First of all, set the address for the remote controller with Setting Remote Control  
Address (See Page 16).  
2. Press [Emergency Operation]  
of the indoor unit for four seconds or more.  
When you do this, the lamps of the display will blink one after another.  
3. Press  
on the remote controller.  
4. The buzzer will sound and the address of the indoor unit will change to the address  
displayed on the remote controller.  
5. If you press [Emergency Operation]  
unit’s display will turn off.  
of the indoor unit once, the lamps on the indoor  
Note  
Please do not hold the [Emergency Operation]  
display lamps are blinking one after another.  
button of the indoor unit down while the indoor unit’s  
Make sure to operate while the indoor unit is stopped.  
The address of indoor unit is set to ALLat the time of the shipment.  
18  
 
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12. EMERGENCY OPERATION  
Use [Emergency Operation]  
in the following situations when there is an urgent need.  
When the remote controller’s batteries have failed.  
When the remote controller is broken.  
When the remote controller is lost.  
1
*
Figures: CZ-RWSU1U, CZ-RWSY1U and CZ-RWST1U are of receivers (inside indoor unit),  
CZ-RWSU2U is of the operation panel (inside indoor unit) and Indoor Unit (CZ-RWSK1U) is of its  
front panel.  
CZ-RWSU1U/CZ-RWST1U/CZ-RWSY1U/Indoor Unit (CZ-RWSK1U)  
Start: press [Emergency Operation] of the receiver.  
If the indoor temperature is 75 °F or greater when the unit starts running, it will act as a cooler.  
If the indoor temperature is less than 75 °F when the unit starts running, it will act as a heater.  
CZ-RWSU1U  
Start/Stop  
CZ-RWST1U  
Start/Stop  
CZ-RWSY1U  
Indoor Unit (CZ-RWSK1U)  
Start/Stop  
Start/Stop  
19  
 
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12. EMERGENCY OPERATION (Cont.)  
Stop: press [Emergency Operation]  
of the receiver again.  
Note  
The Test Run/On and Test/On switches are for use when the unit is installed and test run. It is not for normal  
use.  
If the [Normal/Stop ALL] switch is on Stop ALL, the unit cannot receive signals from the remote controller.  
CZ-RWSC1U/CZ-RWSU2U  
1. Press [Emergency Operation]  
of the receiver.  
If the indoor temperature is 75 °F or greater when the unit starts running, it will act as a cooler.  
If the indoor temperature is less than 75 °F when the unit starts running, it will act as a heater.  
CZ-RWSU2U  
CZ-RWSC1U  
1
2
2
1
2. If you press , the wind direction automatically oscillates up and down.  
Stop: press [Emergency Operation]  
of the receiver again.  
Note  
The Test Run/On and Test/On switches are for use when the unit is installed and test run. It is not for normal  
use.  
If the [Normal/Stop ALL] switch is on Stop ALL, the unit cannot receive signals from the remote controller.  
20  
 
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13. MISCELLANEOUS SETTINGS  
A variety of changes can be made to settings, depending on the indoor unit being used.  
Wind Direction (flap) indicator, operation mode indicator, time display (24 hour, AM/  
PM), Heat Max Temp  
For information about the flap function, refer to the users’ manual of the unit being used.  
(These settings are saved in nonvolatile memory in the remote controller, so even when its batteries are  
changed, the settings do not have to be made again.)  
First check the display of the remote controller when the unit is stopped and then make any desired  
settings.  
How to Operate  
While holding down the buttons below, every time  
Whatever is being displayed when you release  
is pressed the remote controller’s display changes.  
is set.  
Setting Item  
Operation Button  
Setting Content  
Remote Controller’s Display  
Models with movable  
flaps  
Remote controller  
Press  
Swing only models  
Models w/o lamps  
flap display setting for  
when  
is pressed  
while pressing  
None  
Heat Pump  
(with Auto)  
Remote controller  
operation mode  
display setting when  
is pressed  
Heat Pump  
(without Auto)  
Press  
while pressing  
Dedicated air conditioner  
24 Hour  
AM/PM  
Press  
Clock display setting  
while pressing  
Maximum heating  
temperature range is  
78 °F – 86 °F  
Press  
Max possible temperature  
setting in the Heat mode  
while pressing  
21  
 
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14. BEFORE REQUESTING SERVICE  
Before requesting service, please check the followings.  
Problem  
Cause  
Solution  
The unit doesn’t work even  
The power to the indoor unit is not ON.  
Make sure the power to the indoor unit is  
ON.  
when  
is pressed on the  
remote controller.  
Is the Normal/Stop All switch in the Stop  
All position? (See Page 6)  
Switch it to the Normal position and  
cancel operation.  
Are the remote controller’s batteries  
dead?  
Change the batteries.  
Is there a mismatch between the display Change the operating mode.  
lamp and cooling/heating or is it set to  
something other than Auto?  
(The operating lamp stays lit, while the  
timer lamp and the standby lamp blink  
alternately.)  
Do the addresses match one another?  
1
Check the addresses of the receiver*  
and the remote controller. (See Page 15)  
The air conditioner starts and  
stops on its own.  
Has the timer been set to repeat?  
Check the timer settings.  
(See Page 11)  
An error has occurred in the non-volatile Please contact your sales outlet.  
memory.  
” is displayed on the remote  
controller when the unit is  
stopped.  
Although the unit is for air conditioning only, either Auto or Heat is indicated Make settings to the remote controller’s  
in the display.  
operation mode display. (See Page 21)  
After putting the batteries in the remote control, even when it is operated,  
the display does not change.  
Press the reset button on the remote  
controller. (See Page 7)  
The timer cannot be set.  
Make the settings when the remote  
controller is in Operation Display. (See  
Page 11)  
If the problem persists even after you check the foregoing items, stop the unit, disconnect the power to the  
indoor unit and contact the dealer where the product was purchased with the model number and problem you  
are having. As it is dangerous, under no circumstances should you undertake repairs yourself.  
2
Further, when the receiver’s* lamps are blinking; please contact your retailer with that information.  
1
*
CZ-RWSU2U is an operation panel  
CZ-RWSU2U is a display  
2
*
22  
 
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15. SPECIFICATIONS  
CZ-RWSU1U/CZ-RWST1U/CZ-RWSC1U/CZ-RWSY1U/CZ-RWSK1U  
Dimensions  
Power source  
Clock Accuracy  
7-11/64 in. (H) × 2-13/32 in. (W) × 47/64 in. (D)  
Wireless Remote Controller  
Two AAA alkaline batteries  
30 seconds per month (at 77 °F)  
CZ-RWSU1U/CZ-RWST1U/CZ-RWSC1U/CZ-RWSY1U  
CZ-RWSU1U  
CZ-RWST1U  
CZ-RWSC1U  
CZ-RWSY1U  
7-13/32 in. (H) × 7-13/32 in. (W) × 1-17/64 in. (D)  
2-9/16 in. (H) × 5-1/8 in. (W) × 55/64 in. (D)  
4-23/32 in. (H) × 2-3/4 in. (W) × 33/64 in. (D)  
4-1/4 in. (H) × 4-1/4 in. (W) × 25/32 in. (D)  
Dimensions  
Receiver  
16 V DC (Supplied from the terminal strip of the indoor unit’s  
remote control)  
Power source  
CZ-RWSU2U  
Dimensions 1-29/64 in. (H) × 2-3/4 in. (W) × 55/64 in. (D)  
Display  
Power source 5 V DC (supplied from the operation panel)  
Dimensions 2-11/64 in. (H) × 4-23/32 in. (W) × 5/8 in. (D)  
Operation  
Panel  
Power source 16 V DC (Supplied from the terminal strip of the indoor unit’s remote control)  
23  
 
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DC0911-20112  
Printed in Japan  
 
Instruction_eng.indd 24  
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