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OPERATING MANUAL CENTRAL REMOTE CONTROLLER UTB-YCA UTB-GCA Before using this controller, please read this [OPERATING MANUAL] to ensure correct operation. Keep this manual for future reference.
CONTENTS 1. SAFETY PRECAUTIONS .............. 3 2. SYSTEM OUTLINE ............... 4 2-1. SYSTEM OUTLINE ................4 2-2. FEATURES ..................6 2-3. EXPLANATION OF TERMS ..............7 2-4. NAMES AND FUNCTIONS OF THE PARTS ........10 3. BASIC OPERATION..............12 3-1. BASIC FLOW OF OPERATION ............
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5-8. SWING SETTING ................46 5-8-1. To select vertical airflow swing operation ..........46 5-8-2. To cancel the vertical airflow swing operation ......... 47 5-8-3. To select horizontal airflow swing operation ..........48 5-8-4. To cancel horizontal airflow swing operation ........... 49 5-9.
1. SAFETY PRECAUTIONS • Before using CENTRAL REMOTE CONTROLLER, read this “SAFETY PRECAUTIONS” thoroughly to ensure the correct operation. • This section discribes the important safety information to operate CENTRAL REMOTE CON- TROLLER. • The meanings of “WARNING” and “CAUTION” are explained as follows. This mark indicate procedures which, if improperly performed, are most WARNING! likely to result in the death of or serious injury to the user or service per-...
2. SYSTEM OUTLINE 2-1. SYSTEM OUTLINE Remote controller group Outdoor unit Transmission line Group Indoor unit Central remote controller Wired remote Wireless remote controller controller Please consult your sales representative when two or more central remote controllers need to be installed in one system.
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• Three control methods of the central remote controller • Individual control Provides control for each respective remote controller group. • Group control Provides control for each group which is made up of single or multiple previously set remote control groups. (Refer to “2-3.
2-2. FEATURES The front panel of the remote controller can be divided by function into three different control areas. CENTRAL CONTROL The central control provides management of indoor units. This includes placing restrictions on the standard remote controllers or performing memory operations. If multiple remote control By setting the central remote controller, Setting contents of central remote...
2-3. EXPLANATION OF TERMS I Controller related items Remote controller group Group Transmission line Outdoor unit Refrigerant system Indoor unit Central remote System controller Controller line Wired remote Wireress remote controller controller Remote Controller group: This is the control unit of indoor units that have been connected with one controller line as well as the control unit of a single indoor unit that has not been connected with any controller line.
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System: This is all of the indoor units, outdoor unit as well as those of relevant control equipment (central remote controllers, standard remote controllers) that are connected with the same communication cable. I Address related items Group address Refrigerant system address Central remote controller address...
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One central control number indicates one remote control number. Central control number (0~339): These are the numbers by which the control of the indoor units is performed. Each number that appears on the LCD of the central remote controller is the number that has been assigned individually to a remote control group to be controlled and has been stored in the central remote controller.
2-4. NAMES AND FUNCTIONS OF THE PARTS TIMER CONTROL OPERATION AREA CENTRAL CONTROL AREA CONTROL AREA I J K MN O g h i CLOCK MASTER ADJUST CONTROL TIME TEMP . TIMER TIMER MEMORY CENTRAL ENERGY ANTI CONTROL BACK ZONE MODE DELETE OPERATION...
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CENTRAL CONTROL AREA G STATUS DISPLAY Displays the various kinds of information. H MONITOR DISPLAY Comes on together with an individual status display. I MEMORY DISPLAY Comes on during memory operation and setting for memory operation. J SETTING DISPLAY Comes on during various setting. K ERROR DISPLAY Comes on or flashes when error is detected.
3. BASIC OPERATION The following shows the two major screens of the display of the central remote controller. Operation display mode Control mode After 1 minute All control mode Status display mode Group control mode Individual control mode Any one of the setting button ALL / GROUP •...
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Notes • If no action is taken within one minute, the screen will always returns to operation display mode automati- cally. • In the control mode, use to change to each of the control modes.
3-1. BASIC FLOW OF OPERATION This section explains the basic flow of operation. I To start operation ALL / GROUP Each setting button ON / OFF ON OFF Select the Change each of Set the power Transmit, the control mode. the settings.
3-2. OPERATION DISPLAY MODE CLOCK MASTER ADJUST CONTROL TIME TEMP . TIMER TIMER MEMORY CENTRAL ENERGY ANTI CONTROL BACK ZONE MODE DELETE OPERATION CONTROL SAVE FREEZE FILTER ON OFF TIMER DAY OFF TIMER MEMORY GROUP RESET DELETE COPY SETTING SETTING CHECK TEST to select the desired control...
3-3. CONTROL MODE The control of remote control groups is provided by setting the relevant items in control mode. The following procedure for the setting is the same for any of the control modes (Individual control mode / Group control mode / All control mode). Push to select control mode from among In- dividual control mode / Group control mode / All con-...
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• To be used to change the settings of a single remote control group. Individual control mode • To be used to change the settings of remote controller groups in group control unit. • Only the central control numbers (the indoor units) that have been stored in the group ap- pear on the LCD, when the group is selected.
3-4. FUNCTION LIST The following show the function list of the central remote controller. The functions shown with a can be set following the procedures shown in “3-1. BASIC FLOW OF OPERATION”. Refer to each of the items for more detail information. Reference Function Description of the function...
4. CENTRAL CONTROL METHOD (CENTRAL CONTROL AREA) This section explains the methods on group infor- mation store, on how to place the restrictions on the standard remote controllers, as well as the control items on management of the indoor units using the setting buttons in central control area of the central remote controller.
4-1. 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. CLOCK MASTER ADJUST CONTROL TIME TEMP . TIMER TIMER MEMORY CENTRAL ENERGY...
4-1-2. To delete the stored information in group GROUP Press to enter the group information store. SETTING to select the group whose stored infor- mation is to be deleted and then press set it. is pressed at this time, all the central con- DELETE trol numbers registered in the selected group will be deleted.
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Notes Group Information Store The following show the restrictions on group information store. • A maximum of 64 groups can be formed in one system. • A maximum of 64 remote control groups can be stored per group. • Since the remote control group is the smallest control unit and can not be broken up, the group must be made up with complete remote control groups.
4-2. STANDARD REMOTE CONTROL OPERATION PROHIBIT SETTING CLOCK MASTER CONTROL ADJUST TIME TEMP . TIMER TIMER MEMORY CENTRAL ENERGY ANTI CONTROL BACK ZONE MODE DELETE OPERATION CONTROL SAVE FREEZE FILTER ON OFF TIMER DAY OFF TIMER MEMORY GROUP RESET DELETE COPY SETTING SETTING...
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CENTRAL Press to start setting of the centrally con- CONTROL trolling items. An item selection cursor will appear. Press and use the cursor to select the cen- trally controlling items to be performed. A symbol will come on for the item that are being set.
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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. If the set centrally controlling items are not hoped to be removed by setting other central remote controllers, please set the DIP-SW 2-5 “enable / disable setting of the standard remote controller prohibition function”...
4-3. MEMORY OPERATION The memory operation can reproduce the operating conditions, which have been saved before- hand, by only one touch of MEMORY SETTING button. 4-3-1. 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.
4-3-2. Memory operation The memory operation is performed and the saved operating conditions come on to the display. MEMORY Press OPERATION After receiving the necessary data from the central remote controller, the indoor unit starts a memory operation.
4-4. ZONE SETTING When the ZONE button is pressed, the actual operation condition (ON or OFF) of the selected indoor units is determined by the set position of the DIP switch in the indoor unit. 4-4-1. To start zone operation CLOCK MASTER ADJUST...
4-4-2. To end zone operation Enter the control mode to select the central control group (the indoor units) whose zone operation is to be ended. Refer to “3-3. CONTROL MODE” for information about control modes. Press once again. will appear. ZONE It is necessary to transmit the newly set information to the relevant indoor units.
4-5. FILTER INDICATOR RESET The filter indicator flashes when the filter needs to be cleaned or exchanged. CLOCK MASTER ADJUST CONTROL TIME TEMP . TIMER TIMER MEMORY CENTRAL ENERGY ANTI CONTROL BACK ZONE MODE FREEZE DELETE OPERATION CONTROL SAVE FILTER ON OFF TIMER DAY OFF...
5. OPERATION SETTING METHOD (OPERATION CONTROL AREA) This section explains the methods on operation set- ting using the buttons in operation control area of the central remote controller. 5-1. ALL OPERATION / ALL STOP ........ 32 5-2. OPERATION / STOP ....33 5-3.
5-1. ALL OPERATION / ALL STOP CLOCK MASTER ADJUST CONTROL TIME TEMP . TIMER TIMER MEMORY CENTRAL ENERGY ANTI CONTROL BACK ZONE MODE FREEZE DELETE OPERATION CONTROL SAVE FILTER ON OFF TIMER DAY OFF TIMER MEMORY GROUP RESET DELETE COPY SETTING SETTING CHECK...
5-2. OPERATION / STOP 5-2-1. To start operation CLOCK MASTER CONTROL ADJUST TIME TEMP . TIMER TIMER MEMORY CENTRAL ENERGY ANTI CONTROL BACK ZONE MODE OPERATION CONTROL SAVE FREEZE DELETE FILTER ON OFF LOUVER LOUVER TIMER DAY OFF TIMER MEMORY GROUP RESET DELETE...
5-2-2. To stop operation Enter the control mode to select the central control number (the indoor units) to stop its operation. Refer to “3-3. CONTROL MODE” for information about control modes. ON OFF Press will light up. The setting is applied to the indoor units associated with the se- lected central control number.
5-3. OPERATING MODE SETTING CLOCK MASTER ADJUST CONTROL TIME TEMP . TIMER TIMER MEMORY CENTRAL ENERGY ANTI CONTROL BACK ZONE MODE FREEZE DELETE OPERATION CONTROL SAVE FILTER ON OFF TIMER DAY OFF TIMER MEMORY GROUP RESET DELETE COPY SETTING SETTING CHECK TEST Enter the control mode to select the central control...
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Notes * Cannot be set in HEAT PUMP TYPE refrigerant system. ** Cannot be set in COOLING ONLY TYPE refrigerant system. When a group is comprised of indoor units which are in different types of refrigerant systems (HEAT RECOVERY TYPE / HEAT PUMP TYPE / COOLING ONLY TYPE), it is still possible to do an operating mode setting for the group.
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Cooling • Use to cool your room. • Use to circulate the air throughout your room. 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.
5-4. TEMPERATURE SETTING CLOCK MASTER CONTROL ADJUST TIME TEMP . TIMER TIMER MEMORY CENTRAL ENERGY ANTI CONTROL BACK ZONE MODE DELETE OPERATION CONTROL SAVE FREEZE FILTER ON OFF TIMER DAY OFF TIMER MEMORY GROUP RESET DELETE COPY SETTING SETTING CHECK TEST Enter the control mode to select the central control number (the indoor units) whose temperature needs...
5-5. FAN SPEED SETTING CLOCK MASTER ADJUST CONTROL TIME TEMP . TIMER TIMER MEMORY CENTRAL ENERGY ANTI CONTROL BACK ZONE MODE FREEZE DELETE OPERATION CONTROL SAVE FILTER ON OFF TIMER DAY OFF TIMER MEMORY GROUP RESET DELETE COPY SETTING SETTING CHECK TEST Enter the control mode to select the central control...
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About the AUTO setting of fan speed Heating: Fan operates so as to optimally circulate warmed air. 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.
5-6. FLOW DIRECTION SETTING (VERTICAL) This instructions are applicable to “CEILING SUSPENSION TYPE”, “FLOOR CONSOLE / UNDER CEILING DUAL TYPE”, “CASSETTE TYPE” and “WALL MOUNTED TYPE”. CLOCK MASTER ADJUST CONTROL TIME TEMP . TIMER TIMER MEMORY CENTRAL ENERGY ANTI CONTROL BACK ZONE MODE...
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It is necessary to transmit the newly set information to the relevant indoor units. Refer to steps 4, 5 and notes of “3-3. CONTROL MODE” for details. Notes • At the beginning the vertical airflow direction is set automatically as shown, in accordance with the type of operation selected.
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I CEILING SUSPENSION TYPE I FLOOR CONSOLE/UNDER CEILING DUAL TYPE I CASSETTE TYPE I WALL MOUNTED TYPE Notes • Always use the remote controller’s AIR FLOW DIRECTION button to adjust the UP / DOWN air direction louvers. Attempting to move them manually could result in improper operation; in this case, stop operation and restart.
5-7. FLOW DIRECTION SETTING (HORIZONTAL) This instructions are applicable to “CEILING SUSPENSION TYPE”, “FLOOR CONSOLE / UNDER CEILING DUAL TYPE”, and “WALL MOUNTED TYPE”. CLOCK MASTER ADJUST CONTROL TIME TEMP . TIMER TIMER MEMORY CENTRAL ENERGY ANTI CONTROL BACK ZONE MODE DELETE OPERATION...
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It is necessary to transmit the newly set information to the relevant indoor units. Refer to steps 4, 5 and notes of “3-3. CONTROL MODE” for details. I CEILING SUSPENSION TYPE I FLOOR CONSOLE/ UNDER CEILING DUAL TYPE I WALL MOUNTED TYPE...
5-8. SWING SETTING 5-8-1. To select vertical airflow swing operation CLOCK MASTER ADJUST CONTROL TIME TEMP . TIMER TIMER MEMORY CENTRAL ENERGY ANTI CONTROL BACK ZONE MODE CONTROL FREEZE DELETE OPERATION SAVE FILTER ON OFF TIMER DAY OFF TIMER MEMORY GROUP RESET DELETE...
5-8-2. 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 .
5-8-3. To select horizontal airflow swing operation CLOCK MASTER CONTROL ADJUST TIME TEMP . TIMER TIMER MEMORY CENTRAL ENERGY ANTI CONTROL BACK ZONE MODE DELETE OPERATION CONTROL SAVE FREEZE FILTER ON OFF TIMER DAY OFF TIMER MEMORY GROUP RESET DELETE COPY SETTING SETTING...
5-8-4. 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. Refer to “3-3. CONTROL MODE” for information about control modes. 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...
5-9. ENERGY SAVE OPERATION SETTING 5-9-1. To select the energy save operation CLOCK MASTER ADJUST CONTROL TIME TEMP . TIMER TIMER MEMORY CENTRAL ENERGY ANTI CONTROL BACK ZONE MODE CONTROL FREEZE DELETE OPERATION SAVE FILTER ON OFF TIMER DAY OFF TIMER MEMORY GROUP...
5-9-2. 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. ENERGY Press again. will light up. SAVE It is necessary to transmit the newly set information to the relevant indoor units.
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I When Heating After the ENERGY SAVE button is pressed, the 1 °C 2 °C set temperature will be lowered about 1 °C every 30 minutes. When it has lowered a total of 2 °C, then it will hold the temperature. 30 min.
5-10. ANTI FREEZE OPERATION 5-10-1. To select the anti freeze operation CLOCK MASTER CONTROL ADJUST TIME TEMP . TIMER TIMER MEMORY CENTRAL ENERGY ANTI CONTROL BACK ZONE MODE DELETE OPERATION CONTROL SAVE FREEZE FILTER ON OFF TIMER DAY OFF TIMER MEMORY GROUP RESET...
5-10-2. 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. will switch to FREEZE It is necessary to transmit the newly set information to the relevant indoor units.
6. TIMER SETTING METHOD (TIMER CONTROL AREA) This section explains the methods on timer setting using the buttons in timer control area of the central remote controller. 6-1. OFF TIMER ....... 56 6-2. ON TIMER ......... 58 6-3. WEEKLY TIMER ......60 6-4.
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. • OFF TIMER ... Stop the indoor units at the set time. •...
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TIMER Press until the segments of the MODE pear on the display. 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. TIMER Once the timer time has been changed, press to confirm the setting.
6-2. ON TIMER CLOCK MASTER ADJUST CONTROL TIME TEMP . TIMER TIMER MEMORY CENTRAL ENERGY ANTI CONTROL BACK ZONE MODE FREEZE DELETE OPERATION CONTROL SAVE FILTER ON OFF TIMER DAY OFF TIMER MEMORY GROUP RESET DELETE COPY SETTING SETTING CHECK TEST Enter the control mode to select the central control number (the indoor units) for the setting.
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It is necessary to transmit the newly set information to the relevant indoor units. Refer to steps 4, 5 and notes of “3-3. CONTROL MODE” for details. Notes • To change the set time during operation. Perform steps 1 → 3 •...
6-3. WEEKLY TIMER Weekly timer features • Set different operating times for each day of the week. • Set one or two operating spans (one or two pair(s) of ON / OFF times) per day. • Set time to a resolution of 10 minutes. •...
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TIMER Press for 2 seconds. Enters WEEKLY setting mode. Press to select the day that you want to set SUN → MON → TUE → WED → THU → FRI → SAT TIMER Press to delete the time set for the current DELETE day.
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TIMER Press to store the “WEEKLY1” off time. The setting of the “WEEKLY1” timer is completed and it automatically switches to the “WEEKLY2” set- ting. The “WEEKLY2” on time starts flashing. Repeat the operations described in steps 6 to 9 to set the “WEEKLY2”...
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Notes • A flashing time value indicates that the system is in time-setting mode. • You do not need to set values for both WEEKLY1 and WEEKLY2. If you wish, you can set values only for WEEKLY1 or only for WEEKLY2. •...
6-3-2. Starting weekly timer operation Enter the control mode to the central control num- ber (the indoor units) to perform the operation. Refer to “3-3. CONTROL MODE” for information about control modes. TIMER Press until the segments of WEEKLY appear MODE on the display.
6-3-3. Canceling the selected time setting Carry out steps 1 to 3 of the “Setting up the weekly timer operation” procedure. Press to select the day that you want to can- cel the timer setting. TIMER (Here, press will delete all set time (WEEKLY1, DELETE 2) of the current day.) TIMER...
6-3-4. Modifying the selected time setting Carry out steps 1 to 3 of the “Setting up the weekly timer operation” procedure. Press to select the day that you want to change the timer setting. TIMER Press to enter the setting mode. The “WEEKLY1”...
When you have finished setting , hold down the TIMER for 2 seconds. Notes In the following cases, cancel the set time prior to making the required amendments. • If you want to change the ON time to a time that is later than the currently set OFF time. WEEKLY 1 Time Change...
TIMER Press COPY The time setting of the selected day is copied, and starts flashing. (The copied time settings are saved to the memory.) Press to select the day that you want to paste the copied time settings. TIMER Press again.
Press to select the day that you want to set as the DAY OFF. DAY OFF Press The DAY OFF setting is registered, and appears on the display. • To cancel the DAY OFF setting: You can cancel the DAY OFF setting by pressing again.
6-4. CLOCK SETTING The clock setting can be used to set the current time or set various operations of the central remote controller. CLOCK MASTER ADJUST CONTROL TIME TEMP . TIMER TIMER MEMORY CENTRAL ENERGY ANTI CONTROL BACK ZONE MODE CONTROL FREEZE DELETE...
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Press and set the current day. ON OFF Press and set the beep enable / disable set- ting. CLOCK Finally, press to end the clock setting. ADJUST Note If there is an indoor unit that is operating based on the timer of the central remote controller. The operations of the time setting mention above will be limited to steps 2 and 6.
If the and the number for the central control number flash during operation, there is an error at the relevant remote control group. Start the error monitor, identify the error and remove the cause. CLOCK MASTER ADJUST CONTROL TIME TEMP . TIMER TIMER MEMORY...
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TIME Press to select the indoor units, outdoor units, or central remote controller in the remote control group selected in 3. Indoor unit error display Refrigerant system address Indoor unit address Error code TIME Outdoor unit error display Refrigerant system address Outdoor unit address* Error code...
7-2. ERROR CODES The following explains the meaning of each of the error codes. If outdoor unit error Error If central remote controller If indoor unit error Code error S series V series No error No error No error No error –...
7-3. ALL CLEAR SWITCH Press to restart the central remote controller. CLOCK MASTER ADJUST CONTROL TIME TEMP . TIMER TIMER MEMORY CENTRAL ENERGY ANTI CONTROL BACK ZONE MODE DELETE OPERATION CONTROL SAVE FREEZE FILTER ON OFF TIMER DAY OFF TIMER MEMORY GROUP RESET...
8. SPECIFICATIONS This section explains the specifications and dimen- sions of the central remote controller. 8-1. SPECIFICATIONS ..... 80 8-2. DIMENSIONS ......80...