Balcar R410A service manual 4 2, Name And Operation, How To Operate Air Conditioner, 150

NAME AND OPERATION

•	For Cooling Only type, , and	are not displayed on LCD.
•	Max. 8 indoor units can be operated by a remote controller.
•	Once setting the operation items, you can operate the previous condition by pushing
	button only.

HOW TO OPERATE AIR CONDITIONER

COOL/HEAT AUTO, HEAT, DRY, COOL, FAN

1 Power supply

Turn on the power supply of the air conditioner 12 hours before starting the operation.

<The following display is for explanation, so it differs from the real display.>

2 Push button.

3

Push button () to select fan

8 9

speed.

When selecting AUTO, fan speed is automatically changed.

(During FAN mode, the air speed is not.)

– 150 –

TEST	˚C
SETTING	˚F
1	4
2	5
3	6
	7

1 Fan Speed button

2 Operation mode button

3 Swing/Air direction button

The flap angle is changed.

10			12
	TEST	˚C	13
	SETTING	˚F
11			14

15 16

8 Selected mode displays (Heat pump type)

Any one of , , , or displayed.

While is displayed, the indoor fan stops or the mode is Low speed mode.

9 Selected mode displays (Cooling only type)

Any one of , or is displayed.

10

TEST

SETTING

3

˚C ˚F

4

2

5

4

5

Push either or set to Auto.

<Recommended temperature>

•During FAN mode, the temperature cannot be set up.

Stop

Push button.

When stopping the unit by the remote controller, the fan of the outdoor unit, the fan or the outdoor unit may keep operating for a while even if the compressor of the outdoor unit has stopped.

4 Temperature Setup button

Every pushing button, temperature rises by 1˚C.

Every pushing button, temperature decrease by 1˚C.

5 [Start/Stop] button

6Check button (Used in servicing)

• Do not use this button usually.

7Remote control temperature sensor Usually controlled by the indoor unit sensor, it can be changed to the remote controller. For details, contact the shop which you purchased the air conditioner. (When using a group control method, do not use the remote controller sensor.)

TEST is displayed during Test Run.

11 (CHECK) is displayed when the protec- tive device worked or trouble occurred.

12 is displayed during the operation.

If the remote controller setting is prohibited by

the central remote controller, flashes when [Start/Stop], [Operation Select] or [Temp. Setup] button is pushed and change is not accepted.

13The setup temperature is displayed.

14Warning code is displayed when a trouble occurred.

15Selected fan speed, , , or displays.

16 is displayed when the remote controller sensor is used.

•When the unit cannot be stopped by the remote controller.

Turn off the main power switch or the leakage breaker, and then contact the shop which you purchased the unit.

•In heating, if the room is not enough heated with FAN , select FAN or .

•As the temperature sensed by the temp. sensor periphery of the suction port of the indoor unit, it differs from in the room according to the installation state. Set the tempera- ture considering the setup value as the standard temperature in the room.

Automatic Cool/Heat

When all indoor units in the identical refrigerant system are controlled as a group and when all indoor units are installed in the same room, the cooling or heating operation is automati- cally performed with the difference between the setup temperature and the room tempera- ture.

RBC

•When turning on the power switch of the simple operation type remote controller at the first time,

flashes. While is displayed, the automatic model check is operating. Operate the remote controller after has disappeared.

-AS21E