Bedienungsanleitung Panasonic U-12MX4 (Seite 7 von 76) (Deutsch, Englisch, Holländisch, Französisch, Italienisch, Portugiesisch, Spanisch)

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U-5~18MX4 + U-8~16ME4✽M + U-8~16ME4 + U-4~6ML5

Urban Multi air conditioner

4PW40727-1A

Operation manual

7.4. Setting the master remote controller

When the system is installed as shown in ﬁgure 9 (MX4 + ML5 – the

outdoor unit is connected to several indoor units) and ﬁgure 10

(

ME4

– one HR unit is connected to several indoor units), it is

necessary to designate one of the remote controllers as the master

remote controller.

■ Only the master remote controller can select heating or cooling

and in case of ME4 units, automatic operation.

■ The displays of slave remote controllers show (change-

over under centralized control) and slave remote controllers

automatically follow the operation mode directed by the master

remote controller.

However, it is possible to changeover to program dry with slave

remote controllers if the system is in cooling operation set by the

master remote controller.

How to designate the master remote controller

1 Press the operation mode selector button of the current master

remote controller for 4 seconds.

The display showing (change-over under centralized

control) of all slave remote controllers connected to the same

outdoor unit or HR unit ﬂash.

2 Press the operation mode selector button of the controller that

you wish to designate as the master remote controller. Then

designation is completed. This remote controller is designated

as the master remote controller and the display showing

(change-over under centralized control) vanishes.

The displays of other remote controllers show (change-

over under centralized control).

7.5. Precautions for group control system or two

remote controller control system

This system provides two other control systems beside individual

control (one remote controller controls one indoor unit) system.

Conﬁrm the following if your unit is of the following control system

type.

■ Group control system

One remote controller controls up to 16 indoor units. All indoor

units are equally set.

■ Two remote controller control system

Two remote controllers control one indoor unit (in case of group

control system, one group of indoor units). The unit is

individually operated.

8. ENERGY SAVING AND OPTIMUM

OPERATION

Observe the following precautions to ensure the system operates

properly.

■ Adjust the air outlet properly and avoid direct air ﬂow to room

inhabitants.

■ Adjust the room temperature properly for a comfortable

environment. Avoid excessive heating or cooling.

■ Prevent direct sunlight from entering a room during cooling

operation by using curtains or blinds.

■ Ventilate often.

Extended use requires special attention to ventilation.

■ Keep doors and windows closed. If the doors and windows

remain open, air will ﬂow out of your room causing a decrease in

the cooling or heating effect.

■ Be careful not to cool or heat too much. To save energy, keep

the temperature setting at a moderate level.

■ Never place objects near the air inlet or the air outlet of the unit.

It may cause deterioration in the effect or stop the operation.

■ Tu rn off the main power supply switch to the unit when the unit is

not used for longer periods of time. If the switch is on, it uses

electricity. Before restarting the unit, turn on the main power

supply switch 6 hours before operation to ensure smooth

running. (Refer to "Maintenance" in the indoor unit manual.)

■ When the display shows (time to clean the air ﬁlter), ask a

qualiﬁed service person to clean the ﬁlters. (Refer to

"Maintenance" in the indoor unit manual.)

■ Keep the indoor unit and remote control at least 1 m away from

televisions, radios, stereos, and other similar equipment.

Failing to do so may cause static or distorted pictures.

■ Do not place items under the indoor unit which may be damaged

by water.

Condensation may form if the humidity is above 80% or if the

drain outlet gets blocked.

9. MAINTENANCE

9.1. Maintenance after a long stop period (e.g. at the

beginning of the season)

■ Check and remove everything that might be blocking inlet and

outlet vents of indoor units and outdoor units.

■ Clean air ﬁlters and casings of indoor units. Refer to the

operation manual supplied with the indoor units for details on

how to proceed and make sure to install cleaned air ﬁlters back

in the same position.

■ Tu rn on the power at least 6 hours before operating the unit in

order to ensure smoother operation. As soon as the power is

turned on, the remote controller displays appear.

NOTE

Contact your dealer in case of changing the

combination or setting of group control and two remote

controller control systems.

Recommended temperature setting

For cooling 26~28°C

For heating 20~24°C

Pay attention to the fan.

It is dangerous to inspect the unit while the fan is running.

Be sure to turn off the main switch and to remove the fuses

from the control circuit located in the outdoor unit.

4PW40727-1A Page 5 Thursday, October 11, 2007 11:02 AM

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