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15 English

Basic Operation

When the master indoor  

unit is set to

The other indoor units in the system can be set to

Cool

Dry

Heat

Fan

Cool mode
Dry mode
Heat mode
Fan mode
Auto mode (Cooling operation)
Auto mode (Heating operation)

Precautions for Selecting the Cool / Heat Changeover Master Indoor Unit

 

The cool/heat changeover master must be set for a single indoor unit in the following applications

(2-Pipe Heat Pump System)

(3-Pipe Heat Recovery System)

Indoor units

Indoor units

A number of indoor units are 

connected to a single outside unit.

Set any one of the indoor units as

the cool/heat changeover master.

A number of indoor units are connected 

to a single Branch Selector unit.

Set any one of the indoor units as

the cool/heat changeover master.

Branch Selector unit:

The Branch Selector unit is used for 

cooling or heat mode selection.

Key Lock 

Operation

Confirm and cancel Key Lock settings in the basic display screen. 

Cool

Return

Setting

Set to

Cool

74

F

Basic screen

 

Press the Menu/OK button for at least four seconds while the backlight is 

illuminated.

Cool

Return

Setting

Set to

Cool

74

F

 

“ ” will display. 

All buttons are disabled when the keys are locked.

 

To cancel the key lock mode, continue pressing Menu/OK button for at 

least four seconds while the backlight is illuminated.

Summary of Contents for VRV W T-series

Page 1: ...TJU RWEQ192TATJU RWEQ216TATJU RWEQ240TATJU RWEQ264TATJU RWEQ288TATJU RWEQ312TATJU RWEQ336TATJU RWEQ360TATJU RWEQ384TATJU RWEQ408TATJU RWEQ432TATJU RWEQ96TAYDU RWEQ120TAYDU RWEQ144TAYDU RWEQ192TAYDU RWEQ216TAYDU RWEQ240TAYDU RWEQ264TAYDU RWEQ288TAYDU RWEQ312TAYDU RWEQ336TAYDU RWEQ360TAYDU RWEQ384TAYDU RWEQ408TAYDU RWEQ432TAYDU RWEQ96TAYCU RWEQ120TAYCU RWEQ144TAYCU RWEQ192TAYCU RWEQ216TAYCU RWEQ240T...

Page 2: ...and an asphyxiation hazard will result leading to serious injury or death If equipment utilizing a burner is used in the same room as the air conditioner or heat pump there is the danger of oxygen deficiency which could lead to an asphyxiation hazard resulting in serious injury or death Be sure to ventilate the room sufficiently to avoid this hazard Safely dispose all packing and transportation ma...

Page 3: ...uch as cutting oil b Locations such as coastal areas where there is a lot of salt in the air c Locations such as hot springs where there is a lot of sulfur in the air d Locations such as factories where the power voltage varies a lot e In cars boats and other vehicles f Locations such as kitchens where oil may splatter or where there is steam in the air g Locations where equipment produces electro...

Page 4: ...l heating capacity Btu h 108000 135000 162000 Dimensions H W D in 38 9 16 30 1 8 22 1 16 38 9 16 30 1 8 22 1 16 38 9 16 30 1 8 22 1 16 mm 980 765 560 980 765 560 980 765 560 Weight Ibs 419 423 423 kg 190 192 192 Refrigerant Type R410A R410A R410A Charge 1 Ibs 17 4 21 2 21 2 kg 7 9 9 6 9 6 Design pressure High side psig 478 478 478 MPa 3 30 3 30 3 30 Low side psig 320 320 320 MPa 2 21 2 21 2 21 Mod...

Page 5: ...ation has a customized control system ask your Daikin dealer for the operation that corresponds to your system 6 1 Closed cooling tower 2 Boiler 3 Outside unit 4 Indoor unit 5 Branch Selector unit for cool heat changeover 6 Cool Heat selector Cool Heat selector Operation mode Heat pump system o Yes o No Cool Heat Fan Heat recovery system o Yes o No Cool Heat Auto Fan Note The Cool Heat selector ca...

Page 6: ...mode selector button Functions other than basic operation items i e On Off Operation mode selector Fan speed control and temperature setpoint are set from the menu screen NOTE Do not install the remote controller in places exposed to direct sunlight or the LCD will be damaged Do not pull or twist the remote controller cord or the remote controller may be damaged Do not use objects with sharp ends ...

Page 7: ...essed Used to change the selected item 6 Right button Used to highlight the next items on the right hand side Each screen is scrolled in the right hand direction 7 Left button Used to highlight the next items on the left hand side Each screen is scrolled in the left hand direction 8 On Off button Press this button and system will start Press this button again to stop the system 9 Operation lamp Gr...

Page 8: ...AL CONTROL MASTER CONTROLLED SETBACK STANDBY Detailed Display The air flow direction clock and detailed selection items appear on the detailed display screen in addition to the items appearing on the standard display Cool Heat 74F 70F Room Fri 11 03A Set to 74F Auto Return Setting 14 Detailed selection 12 Air Flow Direction Displayed only when the air conditioner is in operation 13 Current Day tim...

Page 9: ...d Ventilation Mode icon AUTO ERV ERV BYPASS These icons indicate the current ventilation mode ERV only AUTO ERV BYPASS Air Purify ICON AIR PURIFY This icon indicates that the air purifying unit option in operation 7 display See page 14 Displayed when the key lock is set 8 display See page 19 Displayed if the Schedule or Off timer is enabled 9 Under Centralized control CENTRAL CONTROL Displayed if ...

Page 10: ...side unit Note Cooling operation If the air conditioner is operated continuously while the indoor temperature is 70 FDB 21 CDB or below and the humidity is 80 or over the interiors of the indoor units may cause icing and water leakage may result Operation Procedure Operation procedure varies according to the combination of outside unit and remote controller Read the chapter What to do before opera...

Page 11: ...lay Displays the location of buttons to be operated How to follow the operation manual Setting Main Menu Air Flow Direction Ventilation Schedule Off Timer Celsius Fahrenheit Maintenance Information 1 2 Preparation For mechanical protection purposes apply power to the outside units at least six hours before starting the operation of the system Operation 1 Cool Return Setting Set to Cool 74F Press t...

Page 12: ...e in the heating mode the fan will continue to operate for approximately one minute to remove residual heat from the indoor unit Note To prevent water damage or system failure do not immediately remove power from the indoor unit following system operation Wait at least five minutes for the condensate pump to finishing draining residual water from the unit Characteristics of Heat Mode The system au...

Page 13: ...e available 4 On Off Menu OK When the On Off button is pressed again the system will stop operating and the operation lamp will turn off Note To prevent water damage or system failure do not immediately remove power from the indoor unit following system operation Wait at least five minutes for the condensate pump to finishing draining residual water from the unit Characteristic of Dry mode The Dry...

Page 14: ...of the system Operation 1 Vent Return Setting AUTO ERV When operating the energy recovery ventilator ERV between seasons without the air conditioner set the control to ventilation mode 2 Changes to the ventilation mode are made from the main menu Ventilation Mode Auto ERV and Bypass 3 Changes to the ventilation rate are made from the main menu Ventilation Rate Low or High 4 On Off Menu OK Press On...

Page 15: ...l Return Setting Set to Cool 74F Press the Mode Selector button on the remote controller of the indoor unit which is to serve as the cool heat changeover master The remote controller for the changeover master indoor unit is established and the MASTER CONTROLLED icon is no longer displayed Other remote controllers in the system indoor units served by the same outside unit or indoor units served by ...

Page 16: ... Set any one of the indoor units as the cool heat changeover master A number of indoor units are connected to a single Branch Selector unit Set any one of the indoor units as the cool heat changeover master Branch Selector unit The Branch Selector unit is used for cooling or heat mode selection Key Lock Operation Confirm and cancel Key Lock settings in the basic display screen 1 Cool Return Settin...

Page 17: ... temperature values will be displayed in Celsius or Fahrenheit Maintenance Information Used to display the maintenance information 24 Configuration Contrast Adjustment Used to make LCD contrast adjustment 25 Display Standard or Detailed Display Used to set standard or detailed display mode Display mode Standard or detailed display Detailed display provides the choice to display between Room Temp O...

Page 18: ...ation 1 2 Main menu screen The main menu screen is displayed Instructions for moving within the main menu will appear 3 Selecting items from the main menu 1 Press buttons to select the desired item to be set 2 Press Menu OK button to display the details for the selected item 4 To go back to the basic screen from the main menu press the Cancel button Note If a button is not pressed for 5 minutes du...

Page 19: ...0 Up down direction 0 1 2 3 4 Left right direction 0 Position 0 1 Position 1 2 Position 2 3 Position 3 4 Position 4 3 Setting Swing Air Flow Direction Left right direction Setting Air Flow Direction Swing Up down direction Pressing buttons changes the setting to in order Swing Position 0 Position 1 Position 2 Position 3 and Position 4 Selecting Swing will cause the air flow direction louver to osc...

Page 20: ...ir flow discharging horizontally Ventilation Ventilation screen display properties Operation 1 Setting Main Menu Air Flow Direction Ventilation Schedule Off Timer Celsius Fahrenheit Maintenance Information 1 2 Setting Ventilation Ventilation Rate Ventilation Mode Display the main menu screen See page 16 Press buttons to select Ventilation on the main menu screen For models with no ventilation func...

Page 21: ...tion mode will take you back to the basic screen Pressing the Cancel button takes you back to the previous screen without changing the ventilation mode Ventilation Mode Auto mode Using information from the air conditioner cool heat fan and setpoint and the energy recovery ventilator unit indoor and outdoor temperatures the ventilation mode is automatically changed between ERV and Bypass ERV mode O...

Page 22: ...red function on the schedule screen and press Menu OK button Daily Patterns Operation 1 Setting Schedule Enable Disable Daily Patterns Settings 2 2 The schedule screen will appear Press buttons to select Daily Patterns on the schedule screen The daily patterns screen will appear when the Menu OK button is pressed 2 Setting Daily Patterns Schedule 7 Days Press buttons to select 7 Days Weekday Weeke...

Page 23: ...minute 4 Setting Schedule Mon Time Act Cool Heat 6 00A Setting Schedule Mon Time Act Cool Heat 6 00A ON 90F 60F Press the buttons to move the highlighted item and press buttons to configure ON OFF settings ON or OFF changes in sequence when buttons are pressed ON The temperature setpoints can be configured OFF The setback temperature setpoints can be configured The temperature setpoints and setbac...

Page 24: ... button after selecting Tuesday 6 Setting Save the settings Schedule Yes No Press buttons to select Yes on the confirmation screen Pressing the Menu OK button confirms the settings for each day and takes you back to the main menu screen Enabling or disabling the schedule Operation 1 Setting Schedule Enable Disable Daily Patterns Settings Display the schedule screen See page 19 Press buttons to sel...

Page 25: ...er screen Press Menu OK button to display the configuration screen 3 Setting After you turn on the unit it will automatically turn off in 60 minutes Off Timer Use buttons to set the time from operation start until the unit automatically stops Selections can be made in increments of 10 minutes from 30 to 180 minutes Holding down the button causes the number to change continuously Select the desired...

Page 26: ...del information Operation 1 Setting Main Menu Air Flow Direction Ventilation Schedule Off Timer Celsius Fahrenheit Maintenance Information 1 2 Display the main menu screen See page 16 Press buttons to select Maintenance Information on the main menu screen and press Menu OK button 2 Maintenance Information Contact Info 0123 456 7890 Indoor Model 000 Outdoor Model 000 The phone number for the contac...

Page 27: ...tment screen press buttons until you reach the desired contrast After setting press Menu OK button and return to the basic screen Display Display Mode Operation 1 Setting Configuration Contrast Adjustment Display Navigate to the configuration screen See page above Press buttons to select Display on the configuration screen Press Menu OK button to display the display screen 2 Setting Display Displa...

Page 28: ...r setting press Menu OK button to confirm settings and return to the basic screen Current Settings Manipulating the current settings Operation 1 Setting Main Menu Configuration Current Settings Clock Calendar Daylight Saving Time Language 2 2 Display the main menu screen See page 16 Press buttons to select Current Settings on the main menu screen and press Menu OK button 2 Setting Current Setting ...

Page 29: ...01 Thursday 12 00A Select Year with buttons Change the year with buttons Holding down the button causes the number to change continuously 4 Setting Date Time Year 2009 Month 10 Day 01 Thursday 12 00A Select Month with buttons Change the month with buttons Holding down the button causes the number to change continuously 5 Setting Date Time Year 2009 Month 10 Day 07 Thursday 12 00A Select Day with b...

Page 30: ...he schedule the display returns to the settings screen 12H 24H CLOCK Operation 1 Setting Clock Calendar Date Time 12H 24H Clock Display the clock calendar screen See page 27 Press buttons to select 12H 24H Clock on the Clock Calendar screen The 12H 24H clock screen will appear when the Menu OK button is pressed 2 Setting 12H 24H Clock 12H By default the time display is set to the 12H format Press ...

Page 31: ...time to clean or replace the filter one of the following messages will be displayed on the bottom of the basic screen Time to clean filter Time to clean filter element Time to clean element Wash clean or replace the filter or element For details refer to the operation manual supplied with the indoor unit 2 Reset the filter indicator when the filter or element is cleaned or replaced Press Menu OK b...

Page 32: ...ss Menu OK button Operation lamp 2 Error code AI Contact Info 0123 456 7890 Indoor Model 000 Outdoor Model 000 The error code will flash and the service contact and model name or code may be displayed Notify your Daikin dealer of the Error code and model name or code Precautions for Group Control System or Two Remote Controller Control System This system provides two other control systems beside i...

Page 33: ...m fins of the outside or indoor units Touching them may result in injury Do not wash the outside or indoor units with water An electric shock or fire may result Watch your step at the time of air filter cleaning or other maintenance If the scaffold is unstable you may fall or topple down thus causing injury Be sure to stop the operation and turn the breaker off before cleaning This may cause elect...

Page 34: ...restarts when the noise goes away Cool heat cannot be changed over When the display shows MASTER CONTROLLED It shows that this is a slave remote controller Refer to Setting the Cool Heat Change over Master When the cool heat selector switch is installed and the display shows MASTER CONTROLLED This is because cool heat changeover is controlled by the cool heat selector Ask your Daikin dealer where ...

Page 35: ...door unit is in operation this noise is heard In order to prevent oil and refrigerant from remaining in the system a small amount of refrigerant is kept flowing Outside unit When the tone of operating noise changes This noise is caused by the change of frequency Indoor unit outside unit A continuous low hissing sound is heard when the system is in cooling This is the sound of refrigerant gas flowi...

Page 36: ...our dealer Let him know the symptoms system name and model name 1 If the system does not operate at all Check if there is a power failure Wait until power is restored If power failure occurs during operation the system automatically restarts immediately after the power supply is recovered Check if a fuse has blown Turn off the power supply Check if the breaker is blown Turn the power on with the b...

Page 37: ...ulation water 68 to 140 F 20 to 60 C Makeup water Corrosion Scale Standard items pH 77 F 25 C 6 5 to 8 2 6 0 to 8 0 7 0 to 8 0 7 0 to 8 0 Electrical Conductivity mS ft mS m 77 F 25 C Less than 24 4 80 Less than 9 1 30 Less than 9 1 30 Less than 9 1 30 Chloride ions mgcl L Less than 200 Less than 50 Less than 50 Less than 50 Sulfate ions mgSO4 2 L Less than 200 Less than 50 Less than 50 Less than 5...

Page 38: ...h fire such as from a fan heater stove or cooking device Exposure to this gas could cause severe injury or death Warning Do not disassemble modify or repair the unit This may cause water leakage electric shock or fire Contact your dealer Do not remove or reinstall the unit by yourself Incorrect installation may cause water leakage electrical shock or fire Contact your dealer When asking your deale...

Page 39: ...pection contract for details Note 2 This maintenance cycle indicates recommended lengths of time until the need arises for maintenance work in order to ensure the product is operational as long as possible Use for appropriate maintenance design budgeting maintenance and inspection fees etc Depending on the content of the maintenance and inspection contract the inspection and maintenance cycles may...

Page 40: ...order to ensure the product is operational as long as possible Use for appropriate maintenance design budgeting maintenance and inspection fees etc Contact your dealer for details Note Breakage due to taking apart or cleaning inside by anyone other than our authorized dealers may not be included in the warranty Moving and discarding the unit Contact your dealer for removing and reinstalling the un...

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Page 44: ...4P540121 1 0000000B 4P540121 1 2018 07 5151 San Felipe St Suite 500 Houston TX 77056 www daikincomfort com ...

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