A symbol will come on for the item that are being set. Page 26 Notes When several of central remote controllers have been connected in one system, the centrally controlling items, can be set or removed by using any central remote controller in the system. Page Memory Operation Memory operation settings Before operating a memory operation, the memory operation setting must be performed so that the operating conditions will be prepared in a memory. Memory operation The memory operation is performed and the saved operating conditions come on to the display.
Page Zone Setting Page To End Zone Operation To end zone operation Enter the control mode to select the central control group the indoor units whose zone operation is to be ended. Press once again. ZONE It is necessary to transmit the newly set information to the relevant indoor units. Page Filter Indicator Reset Page To Stop Operation To stop operation Enter the control mode to select the central control number the indoor units to stop its operation. The setting is applied to the indoor units associated with the se- lected central control number.
Page Operating Mode Setting During Heating The set thermostat temperature should be higher than the actual room temperature, otherwise the heating mode does not work.
During Cooling The set thermostat temperature should be lower than the actual room temperature, otherwise the cooling mode does not work, however the fan will rotate in cooling mode. Page Temperature Setting Page Fan Speed Setting However, the fan will operate at very low speed when the temperature of the air issued from the indoor unit is low.
Cooling: As the room temperature approaches that of thermostat setting, the fan speed becomes slower. Page Flow Direction Setting Vertical Page 43 It is necessary to transmit the newly set information to the relevant indoor units.
Attempting to move them manually could result in improper operation; in this case, stop operation and restart. Page Flow Direction Setting Horizontal Page 46 It is necessary to transmit the newly set information to the relevant indoor units. Page Swing Setting To cancel the vertical airflow swing operation Enter the control mode to select the central control number the indoor units whose vertical airflow swing operation is to be cancelled.
Press for 2 seconds or more and the shown in the display will change to the. To cancel horizontal airflow swing operation Enter the control mode to select the central control number the indoor units whose horizontal airflow swing operation needs to be cancelled. Press for 2 seconds or more and the shown in the display will change to the It is necessary to transmit the newly set information Page Energy Save Operation Setting To cancel the energy save operation Enter the control mode to select the central control number the indoor units whose energy save op- eration is to be cancelled.
SAVE It is necessary to transmit the newly set information to the relevant indoor units. Page Anti Freeze Operation To cancel the anti freeze operation Enter the control mode to select the central control number the indoor units whose the anti-freeze op- eration is to be cancelled. ANTI Press once again. Page Off Timer The timers built in the central remote controller have four different operating modes.
They are shown as the following and can be selected only one from the four modes. Stop the indoor units at the set time. Each time the button is pressed, the timer function changes in the following order. TIME Press to adjust the off time. L: Press to advance time. M: Press to reverse time. Page On Timer Page 60 It is necessary to transmit the newly set information to the relevant indoor units.
Page Weekly Timer Page Starting Weekly Timer Operation Starting weekly timer operation Enter the control mode to the central control num- ber the indoor units to perform the operation. Press to select the day that you want to can- cel the timer setting. Press to select the day that you want to change the timer setting. Notes In the following cases, cancel the set time prior to making the required amendments.
The copied time settings are saved to the memory. Press to select the day that you want to paste the copied time settings. Page Clock Setting Page 72 Press and set the current day. Page 18 Turn on power Initial setting Clock setting Group information store Test operation 2 System information scanning Searches all the indoor units connected by the communication cable and store them in the central remote controller.
The time will depend upon the number of indoor units connected. System setting error flashing: System setting error Cause of error: System setting has not been properly performed.
Page 24 Turn on power Initial setting Clock setting Group information store Test operation Repeat steps 3 and 4 to continue storing in se- quence. Once all the storing has been completed, press to return to the initial setting menu.
Page 25 Turn on power Initial setting Clock setting Group information store Test operation to select the desired central control number from the segments, press. The central remote controller will be in a wait mode for a signal from the indoor unit. Clock setting The clock setting can be used to set the current time or set various setting of the central remote controller.
Page 27 Turn on power Initial setting Clock setting Group information store Test operation Press and set the current day. Group information store It is necessary to do group information store before group control is conducted with the central remote controller.
The following shows the procedure of group information store. Page 31 Turn on power Initial setting Clock setting Group information store Test operation Press to send the signal and test operation setting is sent to the indoor unit. Page Error Display 4. Start the error monitor, identify the error and remove the cause. TIME Continue pressing , the error codes for the outdoor unit and the central re- mote controller are displayed.
Each of the displays is shown below. Page Error Codes Page All Clear Switch Page Specifications 5. This manual is also suitable for: Utb-gca. Print page 1 Print document 38 pages. Rename the bookmark. Delete bookmark? Cancel Delete.
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