Panasonic cz-rws1u installation
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3
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4
When 1 indoor unit is operated by 2 remote controllers:
※
Either of the remotes can be set to main/sub.
Wireless Remote Controller
Wired Remote Controller
Receiver
(Sold Separately)
Remote Control Wiring
(Field Supply)
Indoor Unit
Use wiring of AWG#20 – AWG#14 for
fi eld supply.
Use a total wire length of no more than
1300 ft.
※
(Main)
※
(Sub)
Warnings about Installation of Receivers
The wireless remote uses a very weak infrared light for its signal, which can result in the signal not
being received because of the following infl uences, so take care in where the unit is installed.
• Inverter or rapid-start type fl uorescent lights. (Models without glow lamps)
• Plasma display or LCD televisions.
• Direct sunlight or other sources of bright light.
Warnings about Installing Remote Controllers
If a remote controller is to be operated from a remote control holder that is hung on a wall, turn
on the lights in the room as well as any electrical appliances and then check to make sure the air
conditioner works with the remote controller in the location where it will be installed. If it works,
continue with installation.
If the air conditioner is to be switched from the main sensor to a remote control sensor, pay attention
to the following when installing.
• Locate where no warm or cold drafts will affect it.
• Locate in a place free from direct sunlight.
• Locate where it will not be affected by any other heat/cold source.
Customer Explanation
Give the Operating Instructions and this manual to the customer after fi nishing the installation.
Use the Operating Instructions to explain to the customer how to use and care for the unit.
Things to remember when wired and wireless remotes are
installed at the same time
Two remote controllers can be used to control the unit if the wireless remote controller is installed at the
same time as the wired remote controller.
(Up to 2 remotes [a wireless remote controller and the wired remote controller] can be installed.)
When using 2 remotes, one or more units can be operated by the remotes.
<Note> When wiring remote controllers, be sure to double-check the terminal numbers of the indoor unit before
connecting them so there are no mistakes in the wiring. (Damage will occur if high voltage [e.g. supply
voltage] is applied.)
<Note> It is not possible to use more than one wireless remote controller with one indoor unit. (A receiver located
separately can be used at the same time.)
<Note> If both a wireless and a wired remote controller are to be installed and used at the same time, one of
them must be set up as the sub remote controller.
If the wired remote controller is to be the sub remote, change the wired remote controller to the sub remote.
If the wireless remote controller is to be the secondary, turn the #3 switch on the wireless receiver (operation
panel) from OFF to ON.
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INSTALLATION INSTRUCTIONS
If a group of units are to be controlled by 2 remote controllers;
※
Main/sub remote controllers will work regardless of which indoor unit they are installed to.
Wireless Remote
Controller
Wired Remote
Controller
Use wiring of AWG#20 – AWG#14 for
fi eld supply.
Make the total wire length when crosswiring a group no more than 650 ft.
1st Indoor
Unit
2nd Indoor
Unit
3rd Indoor
Unit
4th Indoor
Unit
※
(Main)
Cross-wiring Remotes for Group
Control (Field Supply)
CZ-RWSC1U
RCU: MAIN
→
RCU: SUB
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Accessories
Installing the Receiver
When using a separately installed receiver as a built-in model, install it to the switch box (fi eld
supply) shown in the diagram on the right, which has been built into the wall on site in advance.
No. Accessories Quantity
1
Receiver
(Enclosed 7-7/8 in. wiring)
1
2
Remote Controller
1
3
Remote Control Holder
1
4
Dry-cell Batteries 2
5
Plate mounting 1
6
Screw
(M4×1-9/16 in.)
2
No. Accessories Quantity
7 Operating Instructions 1
8 Truss Self-Tapping Screws 2
9
Small screw
2
10
Wood screw
2
11
Cable tie
1
12 Spacer 4
13 Ceiling installation pattern 1
1 Remove the face plate of the receiver by slipping a slotted screwdriver or the like into the cutout on the bottom.
2 Install the receiver with the 2 enclosed small screws.
3 Connect the receiver’s wiring (2 cores) with the wiring from the indoor unit. (Refer to the chapter on wiring the
receiver)
When wiring receivers, be sure to double-check the terminal numbers of the indoor unit before connecting them so
there are no mistakes in the wiring. (Damage will occur if high voltage [e.g. supply voltage] is applied.)
4 Attach the face plate.
Small screws (2)
Receiver Unit
Spacers
Single outlet switch box (no cover)
Face Plate
Cutout
When using a separately installed receiver as an exposed model, attach it to a wall where the
receiver can be affi xed.
1 Put a slotted screwdriver or the like into the groove on the bottom of the receiver unit and twist it to remove the
bottom of the case. (Fig. A)
2 To enable the receiver’s wiring to stick out from the upper part of the case (thin part at center-top), use side-cutters
or the like to cut a hole in the case big enough for the remote control wiring (sold separately). (Fig. B)
3 Disconnect the wires that were connected at shipment from the connector.
4 After installing the remote control wiring (sold separately) at the position in Fig. C with the enclosed cable tie,
connect it to the connector on the receiver.
5 Shape the remote control wiring at the top of the PCB so it fi ts inside the receiver and after confi guring the wiring
like it is in Fig. D, attach the lower case. When doing this, arrange the head of the cable tie so it face sideways.
6 Remove the face plate and use the woodscrews (2) to install the receiver unit.
7 Use the cord clip that comes enclosed with the remote control wiring to fasten it to the wall.
8 Attach the face plate.
Fig. A Fig. B
Outlet in the upper part of the case
for the Remote Control Wiring
Fig. C
Cable tie (Enclosed)
Connector
Remote Control Wiring
(Sold Separately)
About 5/64 to 1/8 in.
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Fig. D
Remote Control Wiring
(Sold Separately)
Cable tie
(Enclosed)
Woodscrews
(2)
Receiver Unit
※
(Sub)
Model No. CZ-RWSC1U
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When using a receiver that has been installed separately into the ceiling, use the plate
mounting.
1. Remove the face plate of the receiver by slipping a slotted screwdriver or the like into the cutout on the bottom.
2. Cut out a hole in the ceiling to match the dimensions of the ceiling installaion pattern.
3. Pass the wiring through the plate mounting and put it into the hole. (Fig. A)
4. Bend parts A and B of the plate mounting so they hold onto the ceiling fi rmly. (Fig. B)
5. Connect the receiver’s wiring (2 cores) with the wiring from the indoor unit.
(Refer to the chapter on wiring the receiver.)
When wiring receivers, be sure to double-check the terminal numbers of the indoor unit before connecting them so
there are no mistakes in the wiring. (Damage will occur if high voltage [e.g. supply voltage] is applied.)
6. Adjust the enclosed spacers so they are several millimeters thicker than the ceiling material and hold the receiver
in place temporarily with the 2 enclosed small screws.
7. Bend parts A and B back so they fi t in the opening and are in the gap between the surface of the ceiling and the
receiver; then tighten the screws. Do not use too much force when tightening the screws. Doing so may warp or
damage the case. Move the receiver by hand and check that it can move just a little. (Fig. C)
8. Attach the face plate.
Fig. A Fig. B Fig. C
Part A
Part B
Plate mounting
Screws (2)
(M4×1-9/16 in.)
Wiring the Receiver
Use wiring of AWG#20 – AWG#14 for fi eld supply.
Use a total wire length of no more than 1300 ft.
Polarity does not matter.
If to be used as an embedded model;
Wiring Diagram
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Terminal strip for wiring the
Remote Controller of the
indoor unit
Connections
Receiver wires
(fi eld supply)
Wires from the
receiver unit
Receiver
Enclosed wire joints (2, white)
Receiver wires
(fi eld supply)
Wire joint (Enclosed)
Receiver wires
(fi eld supply)
White
Black
1. Strip the wire to be connected of its sheathing for 35/64 in.
2. Twist the two wires together and crimp the enclosed wire joint.
3. If a special crimping tool is not used, or if the connection is made using solder,
wrap the joint with insulating tape.
Test Operation
Implementing a Test Run
1. Remove the face plate of the receiver’s PCB and turn the DIP switch to RUN/On (Down → Up) and operate the
wireless remote controller with its Start/Stop button.
2. During a test run, all display lamps on the display will light up.
3. During a test run, it is not possible to adjust the temperature.
4. After completing a test run, be absolutely sure to return the Test Run switch to OFF (Up→ Down) and make sure
none of the display lamps are blinking. Also, put the face plate back in place.
<Note 1> This is hard on the device, so only use this for the test run.
<Note 2> After turning on the power, the unit will not receive any commands from the remote controller for about 1
minute. This is not an error. (In fact it does receive signals, but they are cancelled.
）
<Note 3> Make sure to operate while the indoor unit is stopped.
<Note 4> The address of indoor unit is set to “ALL” at the time of the shipment.
Address Display
on the Remote
Controller
・・・・・・・・・・
Position of
the Receiver’s
Address Switch
It doesn’t matter
where the receiver’s
address switch is.
・・・・・・・・・・
Setting Address Switches
When more than one receiver and remote controllers are installed in the same room, setting up addresses allows
them to avoid interfering with each other.
Refer to the Operating Instructions for information on how to change the addresses of the remote controllers.
Changing the address of a receiver can be done after removing the screw to the receiver’s PCB cover. Once the
change is complete, put the cover back in place; while holding the wiring with the cable clamp, tighten its screw.
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If it is to be used as an exposed model:
Wiring Diagram
<Note 1> When wiring remote controllers, be sure to double-check the terminal numbers of the indoor unit
connecting them so there are no mistakes in the wiring. (Damage will occur if high voltage [e.g. supply
voltage] is applied.)
<Note 2> If the wiring to the operation panel is bundled together with other wiring, such as the incoming line from
the power source, it can cause a malfunction, so avoid doing so.
<Note 3> If something causes the unit’s power source to make noise, it will be necessary to resolve the problem,
such as by installing a noise fi lter.
Receiver
Terminal strip for wiring
the Remote Controller of
the indoor unit
Remote Control Wiring
(Sold Separately)
Use remote control wiring (sold separately) for wiring a separately installed receiver.
1. For instructions on how to install a remote control wiring (sold separately), refer to the chapter on Using as an
Embedded Model in Installing Separate Receivers.
2. If a remote control wiring (sold separately) is to be used, refer to the Mounting Instructions attached to the remote
control wiring.
White
Black
The Self-Diagnosis Function Display and What is Detected
Alarm Display in the table below indicates the content of alarms that are displayed when a wired remote
controller is connected. For information on how to deal with the alarms, refer to the Mounting Instructions for
the indoor unit or to Test Run or servicing materials.
●
: Off / ○: On / ◎: Blinking (0.5 sec. intervals)
Common to All Models
The indoor unit and the wireless remote controller are equipped with
indoor temperature sensors. The sensing of indoor temperature works
via one of them.
When the unit is shipped, it is set to the indoor unit, but to switch to
the remote controller, press the sensor button (diagram at right) inside
the remote controller’s cover and then check to make sure that Main
Sensor on the LCD screen goes off.
<Note> Even when the sensor switch has been set to the remote
controller, if the unit does not receive any room temperature
data from the remote controller for ten minutes, it
automatically switches back to the indoor unit sensor, so be
sure to install the remote controller facing the receiver.
Error Detected WL Remote Control LED Display
Alarm Display Run Timer Standby Blinking
Communication error in the remote control
circuit
E01–E03, E08–E14, E17, E18
◎●●
Communication error either in the in/
outdoor operation line or the sub-bus of
the outdoor unit
E04–E07, E15, E16, E19–E31
●●◎
Operation of indoor protection device P01, P09–P14
●◎◎
Alternately
Operation of outdoor protection device P02–P08, P15–P31
◎●◎
Alternately
Error in the indoor thermistor F01–F03, F10–F11
◎◎●
Alternately
Error in the outdoor thermistor F04–F09, F12–F28
◎◎○
Alternately
Error in the indoor EEPROM F29
◎◎●
Simultaneously
Error in the outdoor EEPROM F30, F31
◎◎○
Simultaneously
Error related to the compressor H01–H31
●◎●
Error in indoor settings L01–L03, L05–L09
◎●◎
Simultaneously
Error in outdoor settings L04, L10–L31
◎○◎
Simultaneously
Inconsistency in Air/Heat (Including an auto-temp setting for a model without
auto-temp settings)
○◎◎
Alternately
Oil Alarm (Same as operation of outdoor protection device)
◎●◎
Alternately
Test Run
◎◎◎
Simultaneously
Room Temperature Sensor Settings
Sensor Button
Setting Up Remote Control Functions
The functions of the wireless remote can be set on site.
(These settings are saved in nonvolatile memory in the remote controller, so even when its batteries are
changed, the settings do not revert to the defaults.)
<Note> The operation of the air conditioner can be impacted, depending on the settings made, so only service
personnel should make the settings.
Furthermore, making changes to these settings may cause actual operation to deviate from what is
printed in the Operating Instructions, so be sure to explain this to the customer fully.
Making Settings (Do with unit stopped.)
1. Holding down the Swing/Wind Direction + OFF Timer + Mode Select buttons at the same time for 4 or more
seconds makes the display switch to the setting screen. (See Diagram Below.)
2. Use the Temperature setting buttons,
/ , to select the number of the item to be set.
3. Use the ON Timer buttons,
/ , to change settings.
4. The settings are saved with the Once/Every Day button. When this is done, the settings display of the LCD
changes from blinking to light.
5. If other settings are to be changed as well, repeat steps 2 to 4.
6. When all settings have been made, press the Start/Stop button.
Example: Operation mode setting screen
Note 1 While the unit is in the swinging mode (Swing/Wind Direction), the fl ap cannot be stopped in a desired
position.
Note 2 When Setting OFF is selected, “°C” is displayed on the LCD screen.
Note 3 You can toggle between ON and OFF by pressing Ventilation for 4 seconds or more.
Note 4 If the Heater Max ON/OFF setting is not changed to EP (ON), the setting change will not be refl ected.
Note 5 This is the number of addresses that can be set in the address change mode. Do not set it to 07 or above.
Item Number & Setting Item Setting Content Setting when
Shipped
1
Operation Mode
2
Flap Display
3
Select Fan Speed
4
Display of Set
Temperature
°F
Setting Off (Note 2) °C °F
5
Time Display AM/PM
24 Hour (No Display) AM/PM
6
Ventilation Fan ON/OFF Off (No Display)
On OFF
(Note 3)
7
Cool temp Max 41 – 95°F 86°F
8
Cool temp Min 41 – 95°F 64°F
9
Heat temp Max 41 – 95°F 78°F
(Note 4)
10
Heat temp Min 41 – 95°F 60°F
11
Dry temp Max 41 – 95°F 86°F
12
Dry temp Min 41 – 95°F 64°F
13 Auto temp Max 41 – 95°F 80°F
14
Auto temp Min 41 – 95°F 62°F
16
Address Setting Max
Value
00 (ALL only)
01 – 31 06 (Note 5)
17
Heat temp Max ON/OFF JP (Heater Max Temp Change Off)
EP (On)
JP
1
4
3
2
6
(Note 1)
(No Display)
(No Display)
Item
Number
Printed in Japan
85464369519011
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