Panasonic CU-8ME1XPA, CU-10ME1XPA Operation Manual

PACKAGED AIR CONDITIONER

Model No.

(Urban Multi Heat recovery inverter series)

CU-8ME1XPA
CU-10ME1XPA

OPERATION MANUAL

ENGLISH

DEUTSCH

FRANÇAIS

ESPAÑOL

ITALIANO

E§§HNIKA

NEDERLANDS

PORTUGUES

Before operating this set, please read these instructions completely

page

What to do before operation......................................................... 1

Remote controller and changeover switch: name and function of

each switch and display ............................................................... 1

Warning ........................................................................................ 2

Operation range............................................................................ 2

Operation procedure .................................................................... 2

Optimum operation ....................................................................... 5

Following symptoms are not air conditioner troubles .................. 5

Trouble shooting ........................................................................... 6

Thank you for purchasing this Panasonic air conditioner.
Carefully read this operation manual before using the air
conditioner. It will tell you how to use the unit properly and help
you if any trouble occurs. After reading the manual, file it away
for future reference.

REMOTE CONTROLLER AND CHANGEOVER
SWITCH: NAME AND FUNCTION OF EACH
SWITCH AND DISPLAY (see figure 2 and 3)

1 On/off button

Press the button and the system will start. Press the button
again and the system will stop.

2 Operation lamp (red)

The lamp lights up during operation.

3 Display

It is impossible to changeover heat/cool with the remote
controller when this icon is displayed.

4 Display (air flow flap)

Refer to the chapter “Operation procedure - Adjusting the air
flow direction”.

5 Display

This display shows that the total heat exchange and the air
cleaning unit are in operation. (these are optional
accessories)

6 Display

This display shows the temperature you have set.

(changeover under control)

(ventilation/air cleaning)

(set temperature)

ENGLISH

WHAT TO DO BEFORE OPERATION

This operation manual is for the following systems with standard
control. Before initiating operation, contact your Panasonic dealer
for the operation that corresponds to your system type and mark.

If your installation has a customized control system, ask your
Panasonic dealer for the operation that corresponds to your
system.

Outdoor units (see figure 1)

cool/heat
changeover remote
control switch

Heat recovery series

heat pumps “CU-∗∗ME1XPA” series ❏ yes ❏ no

• Names and functions of parts (see figure 1)

1 Outdoor unit
2 Indoor unit
3 Remote controller
4 Inlet air
5 Outlet air
6 HR (Heat Recovery) box

7 Cool/heat changeover remote control switch
(figure 1 shows systems with changeover remote control
switches)

operation
modes

7 Display (operation mode)

This display shows the current operation mode.

8 Display (programmed time)

This display shows the programmed time of the system start
or stop.

9 Display (inspection/test operation)

When the inspection/test operation button is pressed, the
display shows the mode in which the system actually is.

10 Display (under centralized control)

When this display shows, the system is under centralized
control. (This is not a standard specification.)

11 Display (fan speed)

This display shows the fan speed you have selected.

12 Display (time to clean air filter)

Refer to the indoor unit manual.

13 Display (defrost/hot start)

Refer to the chapter “Operation procedure - Explanation of
heating operation.”

14 Timer mode start/stop button

Refer to the chapter “Operation procedure - Programming
start and stop of the system with timer.”

15 Timer on/off button

Refer to the chapter “Operation procedure - Programming
start and stop of the system with timer.”

16 Inspection/test operation button

This button is only used by qualified service persons for
maintenance purposes.

17 Programming time button

Use this button for programming start and/or stop time.

18 Temperature setting button

Use this button for setting the desired temperature.

19 Filter sign reset button

Refer to the indoor unit manual.

1

20 Fan speed control button

Press this button to select the fan speed of your preference.

21 Operation mode selector button

Press this button to select the operation mode of your
preference.

22 Air flow direction adjust button

Refer to the chapter “Operation procedure - Adjusting the air
flow direction”.

23 Fan only/air conditioning selector switch

Set the switch to
or cooling operation.

24 Cool/heat changeover switch

Set the switch to

for fan only operation or to for heating

for cooling or to for heating operation.

OPERATION RANGE

Use the system in the following temperature and humidity ranges
for safe and effective operation.

COOLING HEATING

outdoor temperature -5°~ 43°CDB -13.7°~ 21°CDB

-15°~ 15.5°CWB

indoor temperature 21°~ 32°CDB 15°~ 27°CDB

15.5°~ 25°CWB

indoor humidity ≤ 80%∗

∗to avoid condensation and water dripping out the unit
If the temperature or the humidity is beyond these conditions, safety devices may
work and the air conditioner may not operate.

Note

• In contradistinction to actual operating situations, the display on
figure 1 shows all possible indications.

• If the filter sign lamp lights up, clean the air filter as explained in
the indoor unit manual. After cleaning and reinstalling the air
filter: press the filter sign reset button on the remote controller.
The filter sign lamp on the display will go out.

WARNING

NEVER DO THE FOLLOWING

• Never let the indoor unit or the remote controller get wet.

It may cause an electric shock or a fire.

• Never use flammable spray such as hair spray, lacquer or
paint near the unit.

It may cause a fire.

• Never touch the air outlet or the horizontal blades while the
swing flap is in operation.

Fingers may become caught or the unit may break down.

• Never replace a fuse with that of wrong ampere ratings or
other wires when a fuse blows out.

Use of wire or copper wire may cause the unit to break down or
cause a fire.

• Never put any objects into the air inlet or outlet.

Objects touching the fan at high operating speed can be
dangerous.

• Never remove the fan guard of the outdoor unit.

A fan rotating at high speed without the fan guard is very
dangerous.

• Never press the button of the remote controller with a hard,
pointed object.

The remote controller may be damaged.

• Never pull or twist the electric wire of the remote controller.

It may cause the unit to malfunction.

• Never inspect or service the unit by yourself.

Ask a qualified service person to perform this work.

• To prevent refrigerant leak, contact your Panasonic dealer.

When the system is installed and run in a small room, it is
required to keep the concentration of the refrigerant, if by and
chance coming out, bellow the limit. Otherwise, oxygen in the
room may be affected, resulting in a serious accident.

OPERATION PROCEDURE

• Operation procedure varies according to the combination of
outdoor unit and remote controller. Read the chapter “What to
do before operation”.

• To protect the unit, turn on the main power switch 6 hours
before operation.

• If the main power supply is turned off during operation,
operation will restart automatically after the power turns back on
again.

COOLING, HEATING, AUTOMATIC, AND FAN ONLY
OPERATION (see figure 4 and 7)

• Changeover cannot be made with a remote controller whose
display shows (changeover under control).

• When the display (changeover under control) flashes,
refer to the chapter “Operation procedure - Setting the master
remote controller”.

• Automatic operation can be selected.

• The fan may keep on running for about 1 minute after the
heating operation stops.

• The air flow rate may adjust itself depending on the room
temperature or the fan may stop immediately. This is not a
malfunction.

2