Panasonic CZ-RWSU3 Service-Handbuch

English

Read through the Installation Instructions before you proceed

with the installation.

In particular, you will need to read under the “Safety

Precautions” on page 2.

Installation Instructions

Wireless Remote Controller

Model No. CZ-RWSU3

Panasonic Corporation

1006 Kadoma, Kadoma City, Osaka, Japan

H0916-0

CV6233317755

Panasonic Corporation

http://www.panasonic.com

Contents

Safety Precautions ...................................... 2

Part Names................................................... 3

Supplied accessories.................................. 3

Speciﬁcations .............................................. 3

Installation Precautions.............................. 4

Installation Location for the Receiver............... 4

Mounting ...................................................... 4

Installing the Receiver...................................... 4

Wiring ........................................................... 5

Basic Wiring Diagram....................................... 5

Wiring for the Receiver..................................... 5

Settings ........................................................ 6

Setting for receiver........................................... 6

Setting for Wireless Remote Controller............ 6

Test Operation.................................................. 8

Self-diagnostics table and

detected contents............................................. 9

2(EN)

Safety Precautions

Read before installation

Read the Installation Instructions carefully

to install the remote controller correctly and

safely.

Be sure to read the Safety Precautions in

particular before installation.

After the installation is complete, perform test

operation to conﬁrm that no abnormality is

present.

We assume no responsibility for accidents or

damages resulting from methods other than

those described in the installation instructions

or methods without using speciﬁed parts.

Malfunctions that occurred due to the

unauthorised installation methods are not

covered by the product warranty.

Read the installation instructions supplied with

indoor units as well.

WARNING

This symbol refers to a hazard or unsafe

practice which can result in severe personal

injury or death.

CAUTION

This symbol refers to a hazard or unsafe

practice which can result in personal injury or

product or property damage.

WARNING

• Turn off the circuit breaker of the units before

installation.

• Ask your dealer or professionals for installation

and electric work.

• This controller shall be installed in accordance

with National Wiring Regulations.

• Connect and ﬁx the speciﬁed cables for wiring

securely.

• Do not allow the connection to be exposed to

the external force of the cables.

• Choose an installation location that sufﬁciently

supports the weight of the remote controller.

CAUTION

Do not use the remote controller at the

following locations.

• Location where condensation occurs

• Location where ﬂammable gases, etc. may

leak

• Location where corrosive gases, etc. may leak

• Location with lots of water or oil droplets

(including machine oil)

• Location where voltage ﬂuctuation frequently

occurs

• Location where there is a machine producing

electromagnetic radiation

• Location where droplets of organic solvents

spread

• Location where acidic or alkaline solutions or

special sprays are frequently used

Do not operate with wet hands.

Do not wash with water.

NOTICE

The English text is the original instructions. Other languages are translation of the original

instructions.

(EN)

Part Names

(1) Light receiving section

Receives signals.

(2) Indication lamp

Indicates operation status.

(3) Emergency operation button

Starts/Stops emergency operation.

Supplied accessories

Wireless Remote

Controller

(1)

Remote Control

Holder

(1)

LR03 Size

Battery

(2)

Instructions

(1)

Quick

Reference

(1)

Screw

M4 × 16

(2)

Clamper

(1)

Speciﬁcations

Wireless Remote Controller

Dimensions (H)182 mm × (W) 61 mm × (D)18.5 mm

Weight 140 g(Including batteries)

Power Source Two LR03 size batteries

Clock Accuracy ±30 seconds / month (at 25 °C)

Receiver

Dimensions 29.7 mm (H) × 211.8 mm (W) × 211.8 mm (D)

Weight 160 g

Power Source DC16 V (supplied from indoor unit)

4(EN)

Installation Precautions

Installation Location for the Receiver



The wireless remote controllers use a very weak infrared light for its signal, which can result in the

signal not being received because of the following inﬂuences, so take care in where the unit is installed.

• Inverter or rapid-start type ﬂuorescent lights (Models without glow lamps)

• Plasma display or LCD televisions

• Direct sunlight or other sources of bright light

Mounting

Installing the Receiver

The receiver can be installed only on the

corner shown in Fig. A. Consider the direction

where the panel is attached to the indoor unit.

1Remove the air inlet grille

Indoor unit electric component box

Installation position for receiver

(Fig. A)

Indoor unit electric

component box

Air Inlet grille

2Remove the corner cover.

Remove the screw ﬁxing the corner

cover.

Screw

Corner cover

Convex part

Place a hand on both the right and left

convex parts of the corner cover to

remove it.

Corner coverCeiling panel

3Wire the receiver.

Hang the string of the receiver on the pin

of the ceiling panel.

Receiver

String

Pass the wiring from the wireless

receiver section into the slit.

(See “Wiring for the Receiver”)

Fix the wiring with the clamper (supplied)

while leaving enough length of wiring to

remove the receiver.

• When attaching the ﬁlter chamber, cut

the clamper (a), and attach the receiver.

Slit

Fix with the clamper (supplied).

(a) Cut this clamper.

4Fix the receiver.

Fit the receiver to the ceiling panel so

the 5 claws are properly set, and ﬁx it

with the removed screw.

• Make sure the wire

is not caught.

• Refer to the

installation

instructions

supplied with the

panel.

(EN)

Wiring

Basic Wiring Diagram

Installation when setting Main/Sub for the remote controller and the receiver

12 12

R1 R2R1 R2R1 R2R1 R2

RC wiring (ﬁeld supply)

• No polarity

Indoor unit Indoor unit Indoor unit Indoor unit

1212

R1 R2

Terminals for

RC wiring

Receiver (Sub) Receiver (Sub)

Wired RC (Main) Wired RC (Main)

Indoor unit

Using 1 indoor unit Using more than 1 indoor unit

RC wiring

(ﬁeld supply)

• No polarity

Installation

example

After installation, according to the “Settings” section, set one to [Main] and the other to [Sub].

Setting the wired remote controller to [Main] is recommended.

Attention

Multiple wireless remote controllers cannot be used simultaneously for a single indoor unit.

Be careful not to connect cables to other terminals of indoor units (e.g. power source wiring

terminal). Malfunction may occur.

Do not bundle together with the power source wiring or store in the same metal tube. Operation

error may occur.

If noise is induced to the unit power supply, attach a noise ﬁlter.

* Wiring shown below is prohibited.

R1 R2 R1 R2 R1 R2

12 12

Wired RC Receiver

Indoor unit Indoor unit Indoor unit

RC wiring

Receiver

Note

The remote controller and the receiver can be connected to any indoor unit for operation.

Wiring for the Receiver

Wiring Diagram

CN001

Receiver PCBIndoor unit

Terminals for RC

wiring 2P white

How to Connect the Wires

• Connect the wires from the receiver to the terminals for RC wiring on the indoor unit.

(No polarity)

6(EN)

Settings

Setting for receiver

Screw

PCB cover

Receiver PCB Main/Sub selector

switch for remote

controllers (4)

OFF: Main

ON: Sub

Set its address

(1) to (3)

All set at OFF

when shipped

from the factory.

123 4

Check the settings of the

[S003] DIP switch on the

receiver’s PCB.

* Remove the cover from the

receiver when performing

the PCB settings.

Setting Address Switches

When more than 1 receiver is installed in the same room, setting addresses prevents interference.

For how to change addresses of wireless remote controllers, see the operating instructions of

wireless remote controllers.

To change the receiver’s address, remove the cover from the receiver’s PCB and set No.1 to No.3

of the [003] DIP switch on PCB.

Remote

Controller

Address

Display

Address Address Address Address Address Address Address ON/OFF

States

ALL123456

Position

of the

receiver’s

address

switch

Receipt is

possible

at all

of the

address

positions

1234 1234 1234 1234 1234 1234 OFF ON

Setting for Wireless Remote Controller

Room Temperature Sensor Settings

The indoor unit and the wireless remote controller are equipped with

room temperature sensors. The sensing of room temperature works via

one of them.

When the unit is shipped, it is set to the indoor unit. To switch it to the

remote controller, press the sensor button (the ﬁgure on the right) inside

the remote controller’s cover and then check that Main Sensor on the

LCD screen goes off.

<Note> Be sure to install the remote controller so as to face the receiver.

If the unit does not receive any room temperature data from the

remote controller for ten minutes even with its sensing function

activated, the indoor unit sensor will automatically start sensing the

room temperature.

Sensor button

(EN)

Setting Up Remote Controller Functions

The functions of the wireless remote controller can be set on site.

(These settings are saved in nonvolatile memory in the remote controller. Therefore, the settings do

not revert to the defaults even when its batteries are changed.)

<Note> Only service personnel should make the settings because the operation of the air conditioner

may be affected, depending on the settings made.

Furthermore, making changes to these settings may cause actual operation to deviate from

what is printed in the Operating Instructions, so be sure to fully explain this to the customer.

Making Settings (Do with unit stopped)

(1) Holding down the swing/ﬂap ( ) + OFF timer ( ) + mode select ( ) buttons at the same

time for 4 or more seconds will open the setting screen. (See ﬁgure 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 SET displayed

on the LCD changes from blinking to lighting.

(5) If other settings are to be changed, repeat steps (2) to (4).

(6) When all settings have been made, press the start/stop ( ) button.

Operation procedure and

function display

Item

Number

(1)

(2)

(6)

(3)

(4)

Detected contents Set Contents Factory

setting

1 Operation Mode

2 Flap Display (No Display)

(*1)

3 Select Fan Speed (No Display)

4 Display of Set

Temperature

°C °F Setting Off (*2) °C

5 Time Display 24 Hour (No Display) AM/PM 24 Hour

6 Ventilation Fan

ON/OFF

OFF (No Display) ON OFF

(*3)

7 Cool temp Max 05 to 35°C 30

8 Cool temp Min 05 to 35°C 18

9 Heat temp Max 05 to 35°C 30 (*4)

10 Heat temp Min 05 to 35°C 16

11 Dry temp Max 05 to 35°C 30

12 Dry temp Min 05 to 35°C 18

13 Auto temp Max 05 to 35°C 27

14 Auto temp Min 05 to 35°C 17

16 Address Setting

Max Value

00 (ALL only) 01 to 031 06 (*5)

17 Heat temp Max

ON/OFF

JP (Heater Max Temp Change

Off) EP (ON)

Attention

While the unit is in the SWING mode (swing/ﬂap), the ﬂap cannot be stopped in a desired position.

When Setting OFF is selected, “°C” is displayed on the LCD.

You can toggle between ON and OFF by pressing ventilation “( )”button for 4 seconds or more.

If the Heater Max ON/OFF setting is not changed to EP (ON), the setting change will not be

reﬂected.

This is the number of addresses that can be set in the address change mode. Do not set it to 07 or

above.

8(EN)

Installing Wireless Remote Controller

Installation location for the Wireless Remote Controller

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 main sensor is to be switched from the indoor unit to a remote controller, pay attention to the

following when installing.

• Locate where no warm or cold air will affect it.

• Locate in a place free from direct sunlight.

• Locate where it will not be affected by any other heat/cold source.

When installing the remote controller onto a wall, etc.

Screw the remote control

holder.

Remote control holder

Installing the remote

controller

2Press

1Insert

Press at the installation location

on the wall, and check that normal

receiving is possible.

Remove the remote controller from the

remote control holder.

Test Operation

Preparation: Turn on the circuit breaker of units and then turn the power on. After the power is turned

on, remote controller operation is ignored for approx. 1 minute because setting is being

made. This is not malfunction. (Contents received while setting are disabled.)

1. To start test operation, press and hold the emergency operation button for 10 seconds.

2. The indication lamps (OPERATION, TIMER, STANDBY) blink during test operation.

3. To ﬁnish test operation, press and hold the emergency operation button for 10 seconds.

Attention

Do not use this mode for purposes other than the test operation.

(To prevent overload of the units)

Read the installation instructions supplied with the units.

Any of the Heat, Cool and Fan operations can only be performed.

Temperature cannot be changed.

The test operation mode is automatically turned off in 60 minutes.

(To prevent continuous test operation)

Outdoor units do not operate for approx. 3 minutes after the power is turned on or operation is

stopped.

Settings

(EN)

Self-diagnostics table and detected contents

The “Alarm Display” shown in the table below expresses the alarm contents displayed when the

wired remote controller is connected. For how to handle the alarms, see installation instructions of

indoor units or technical guide.

Detected contents Indication lamp on the receiver

Alarm Display

OPERATION

TIMER

STANDBY

Blinking

Communication error in the remote

controller 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

Error in the gas heat pump air

conditioner A01–A31 ◎◎

Simultaneously

Inconsistency in Cooling/Heating (Including an auto-temp

setting for a model without auto-temp settings) ◎◎

Alternately

Oil alarm (Same as operation of outdoor protection device) ◎◎Alternately

Test operation ◎◎◎

Simultaneously

: OFF : ON (Illuminated) ◎: Blinking (0.5 seconds interval)

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