Table of Contents
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MODEL
RXYQ72TTJU
RXYQ96TTJU
RXYQ120TTJU
RXYQ144TTJU
RXYQ168TTJU
RXYQ192TTJU
RXYQ216TTJU
RXYQ240TTJU
RXYQ264TTJU
RXYQ288TTJU
RXYQ312TTJU
RXYQ336TTJU
RXYQ360TTJU
RXYQ384TTJU
RXYQ408TTJU
3P362438-1B
INSTALLATION MANUAL
System Air Conditioner
RXYQ72TYDN
RXYQ96TYDN
RXYQ120TYDN
RXYQ144TYDN
RXYQ168TYDN
RXYQ192TYDN
RXYQ216TYDN
RXYQ240TYDN
RXYQ264TYDN
RXYQ288TYDN
RXYQ312TYDN
RXYQ336TYDN
RXYQ360TYDN
RXYQ384TYDN
RXYQ408TYDN
English
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Table of Contents
Related Manuals for Daikin RXYQ72TTJU
Summary of Contents for Daikin RXYQ72TTJU
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Page 1: Installation Manual
INSTALLATION MANUAL System Air Conditioner English MODEL RXYQ72TTJU RXYQ72TYDN RXYQ96TTJU RXYQ96TYDN RXYQ120TTJU RXYQ120TYDN Français RXYQ144TTJU RXYQ144TYDN RXYQ168TTJU RXYQ168TYDN RXYQ192TTJU RXYQ192TYDN RXYQ216TTJU RXYQ216TYDN Español RXYQ240TTJU RXYQ240TYDN RXYQ264TTJU RXYQ264TYDN RXYQ288TTJU RXYQ288TYDN RXYQ312TTJU RXYQ312TYDN RXYQ336TTJU RXYQ336TYDN RXYQ360TTJU RXYQ360TYDN RXYQ384TTJU RXYQ384TYDN RXYQ408TTJU RXYQ408TYDN 3P362438-1B... -
Page 2: Safety Considerations
• After completing the installation work, check that the re- specified by Daikin are used, fire or explosion could result. frigerant gas does not leak throughout the system. • Do not install unit in an area where flammable materials are present due to risk of explosions that will result in seri- ous injury or death. -
Page 3: Codes And Regulations
CAUTION (c) Near machinery emitting electromagnetic waves. Electromagnetic waves may disturb the operation of • Do not touch the switch with wet fingers. Touching a switch the control system and cause the unit to malfunction. with wet fingers may result in electric shock. (d) Where flammable gas may leak, where there is car- •... -
Page 4: Table Of Contents
RXYQ72TTJU RXYQ216TTJU RXYQ360TTJU RXYQ72TYDN RXYQ216TYDN RXYQ360TYDN RXYQ96TTJU RXYQ240TTJU RXYQ384TTJU RXYQ96TYDN RXYQ240TYDN RXYQ384TYDN VRVIV System air conditioner RXYQ408TYDN RXYQ120TTJU RXYQ264TTJU RXYQ408TTJU RXYQ120TYDN RXYQ264TYDN Installation Manual RXYQ144TTJU RXYQ288TTJU RXYQ144TYDN RXYQ288TYDN RXYQ168TTJU RXYQ312TTJU RXYQ168TYDN RXYQ312TYDN RXYQ192TTJU RXYQ336TTJU RXYQ192TYDN RXYQ336TYDN CONTENTS Safety considerations ........i 9.4. -
Page 5: Introduction
• AHU (air to air applications): AHU Integration kit is required. See cable to communicate with the outdoor unit. The software for the latest Engineering Data Book for more details . user interface program can be obtained from your local Daikin sales office. INFORMATION Refer to the technical engineering data for the latest option names. -
Page 6: Indoor Capacity Range
Do not throw away any of the accessories until installation is complete. <Outdoor unit> <Total capacity index of indoor unit> They are needed for installation work. RXYQ72TTJU/TYDN ..... 36-93 RXYQ96TTJU/TYDN . -
Page 7: Technical And Electrical Specifications
3 .2 . Technical and Electrical specifications It is therefore recommended to install the equipment and electric wires keeping proper distances away from stereo equipment, personal Refer to the Engineering Data Book for the complete list of specifica- computers, etc tions. 3 .3 . Main components For main components and function of the main components, refer to the Engineering Data Book. -
Page 8: Selecting A Location In Cold Climates
5 . Dimensions and service space 5 . 1 . Dimensions of outdoor unit NOTE RXYQ72TTJU/TYDN • When operating the unit in a low outdoor ambient temperature, be sure to follow the instructions described below. • The following images are for reference only. For more details con- tact your local dealer. -
Page 9: Service Space
5 .2 . Service space <Front side> <Suction side> The space around the unit is adequate for servicing and the minimum space for air inlet and air outlet is available (refer to the figure below Service and choose one of the possibilities). space or more or more... -
Page 10: Inspecting, Handling And Unpacking
To avoid injury, do not touch the air inlet or aluminum fins of the unit. ported immediately to the carrier’s claims agent. Relief the unit from its packing material: 6 .2 . Handling RXYQ72TTJU/TYDN RXYQ96-168TTJU/TYDN 1 When handling the unit, take into account the following: Fragile, handle the unit with care. -
Page 11: Method For Removing Shipping Plate
• The height of the foundation must at least be 5-7/8 in. (150 mm ) 6 .5 . Method for removing shipping plate from the floor. The shipping plate installed over the compressor leg for protecting the In heavy snowfall areas, this height should be increased, depending unit during transport must be removed. -
Page 12: Refrigerant Pipe Size And Allowable Pipe
7 . Refrigerant pipe size and allowable pipe length 7 .3 . Selection of piping size Determine the proper size referring to following tables and reference 7 . 1 . General information figure (only for indication). NOTE The refrigerant R410A requires strict cautions for keeping the system clean, dry and tight. -
Page 13: Selection Of Refrigerant Branch Kits
7 .3 .3 . Piping between refrigerant branch kit and BP unit: F Size up for equivalent length for outdoor-indoor units over 295 ft. (90 m) Pipe size for direct connection on BP unit must be based on the total Outdoor unit capacity Gas pipe Liquid pipe... -
Page 14: System Piping (Length) Limitations
INFORMATION Maximum 8 branches can be connected to a header. • How to choose an outdoor multi connection piping kit (needed if the outdoor unit capacity type is 192 or more). Choose from the follow- ing table in accordance with the number of outdoor units. Number of outdoor units Branch kit name BHFP22P100U... - Page 15 7 .5 .2 . System only containing VRV indoor units System setup Branch with refnet joint Branch with refnet joint and refnet header Branch with refnet header Single outdoor Example 1 .1 Example 1 .2 Example 1 .3 Multi outdoor Indoor unit Refnet joint Refnet header...
- Page 16 Maximum allowable length after branch 7 .5 .3 . System containing VRV indoor units and Mini-split The pipe length from the first refrigerant branch kit to the indoor unit indoor units ≤130 ft. (40 m) System setup Example 1 .1: unit 8: b+c+d+e+f+g+p≤130 ft. (40 m) Example 1 .2: unit 6: b+h≤130 ft.
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Page 17: Precautions On Refrigerant Piping
8 . Precautions on refrigerant piping • Do not allow anything other than the designated refrigerant to get mixed into the refrigerant cycle, such as air, nitrogen, etc. If any refrigerant gas leaks while working on the unit, ventilate the room thoroughly right away. - Page 18 Use the following procedure to remove the pinched piping: Stop valve for liquid 1 Remove the valve cover and make sure that the stop valves are fully closed. Stop valve for gas 1 Service port and service port cover 2 Stop valve Stop valve mounting plate 3 Field piping connection 4 Stop valve cover...
- Page 19 8 .2 .5 . Possible installation patterns and configurations • The piping between the outdoor units must be routed level or slightly upward to avoid the risk of oil retention into the piping. Open knockout Pattern 1 Pattern 2 hole here 1 Liquid side stop valve 2 Gas side stop valve 3 Filed connection piping kit (accessory) 4 Knockout hole...
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Page 20: Guidelines For Handling Stop Valve
If ≤ 6.5 ft. (2 m) • Installation of the multi connection piping kit. If > 6.5 ft. (2 m) To indoor unit Piping between outdoor units ≤ 6.5 ft. (2 m) ≥ 8 in. (200 mm) > 6.5 ft. (2 m) NOTE There are restrictions on the refrigerant pipe connection order be- tween outdoor units during installation in case of a multiple outdoor unit system. -
Page 21: Field Wiring
8 .3 .2 . How to use the stop valve • After handling the service port, make sure to tighten the service port cover securely. For the tightening torque, refer to the table Opening the stop valve below. 1 Remove the valve cover. •... -
Page 22: Power Circuit, Safety Device And Cable Requirements
If the ratio exceeds 4%, the unit will shut down and an malfunction 9 .2 . Wiring connection example for whole system code will be displayed on the indoor remote controller. • Connect the wire securely using designated wire and fix it with attached clamp without applying external pressure on the terminal parts (terminal for power wiring, terminal for transmission wiring and ground terminal). -
Page 23: Transmission Wiring Connection Procedure
RXYQ72T RXYQ96-168T (*) : The Outdoor unit that connects the transmission wiring to an indoor unit is Master unit of the multi system. The other units are Sub units. (In this figure, Outdoor unit A is the Master unit.) Check installation work to ensure proper operation. Onsite settings can be accomplished by operating the printed circuit board (A1P) of Master unit. -
Page 24: Power Wiring Connection Procedure
• Outside the units, the transmission wiring must be finished simulta- (Only RXYQ – TYDN) neously with the local refrigerant piping, and wound with tape (field Do not open the control box (2) cover. supply) as shown in the figure below. (There are no work when installation.) Liquid pipe Attach insulation sleeves... -
Page 25: Air Tight Test And Vacuum Drying
10 . Air tight test and vacuum drying RXYQ72T • After finished piping work, carry out air tight test and vacuum drying. NOTE • Always use nitrogen gas for the air tightness test. • Absolutely do not open the stop valve until the main power circuit insulation measurement has been completed. -
Page 26: Pipe Insulation
• Reinforce the insulation on the refrigerant piping according to the RXYQ72T RXYQ96-168T installation environment. Condensation might form on the surface of the insulation. Refer to the below. - Ambient temperature : 86°F (30°C), humidity : 75% to 80% RH : minimum thickness : 9/16 in. -
Page 27: Accessing The Push Buttons On The Logic Board
For VRV IV heat pump system it is alternatively possible to make 13 .2 . Operating the push buttons and DIP switches on several commissioning field settings through a personal computer the logic board interface (for this, option EKPCCAB* is required). The installer can 13 .2 . -
Page 28: Connecting The Pc Configurator To The Outdoor Unit
• Access mode 2 Example: Push BS1 for at least 5 seconds. Segment indication changes to: Checking the content of parameter [2-18] (to define the high static pressure setting of the outdoor unit’s fan). [A-B]=C in this case defined as: A=2; B=10; C=the value we want to INFORMATION know/change If you get confused in the middle of the process, push BS1. -
Page 29: Charging Refrigerant
14 .2 . 1 . How to calculate the additional refrigerant to be charged Additional refrigerant to be charged=R (lbs.). R should be rounded off in units of 0.1 lbs. × f7/8) × 0.249+(X × f3/4) × 0.175+(X × f5/8) × 0.121+(X ×... -
Page 30: Method For Adding Refrigerant
14 .3 . Method for adding refrigerant 14 .3 . 1 . Flow chart Step 1 • Calculate additional refrigerant charge amount: R(lbs.(kg)) (see 14.2. Calculating the additional refrigerant charge on page 26) Step 4a Step 2+3 • Close valve C. Refrigerant overcharge happened •... - Page 31 << Continuation of previous page << Continuation of previous page Heating charging Cooling charging ( 22 startup control) ( 02 startup control) ( 23 waiting for stable heating) ( 03 waiting for stable cooling) 23 is flashing 03 is flashing • Push BS2 within 5 minutes. •...
- Page 32 1 Calculate the additional amount of refrigerant to be added using NOTE the formula mentioned in 14.2. Calculating the additional refriger- • If the power of some units is turned off, the charging procedure can- ant charge on page 26. not be finished properly. 2 The first 22 lbs.
- Page 33 - If the unit indicates , or , the ambient conditions are NOTE NOT favorable to execute the test run. Push BS1 to finish the • The refrigerant charging port is connected to the piping inside the automatic charging procedure. unit.
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Page 34: Start-Up And Configuration
Perform the test procedure as described in 15.4.2. Test operation on 14 .3 .4 . Checks after adding refrigerant page 38. • Are the stop valves for liquid and gas open? • Is the amount of refrigerant, that has been added, recorded on the INFORMATION refrigerant charge label? •... -
Page 35: Monitoring Function And Field Settings
2 Field wiring Below relevant Monitoring mode (mode 1) and Field setting mode Be sure that the field wiring has been carried out according to the (mode 2) settings are explained in detail. How to access them, how to instructions described in 9. Field wiring on page 18, according to change the value of the settings and how to confirm them is explained the wiring diagrams and according to the applicable legislation. - Page 36 [1-6]= shows the current T target parameter position. ing master indoor user interface (see setting [2-83] on Refer to 15.3. Energy saving and optimum operation on page 35) page 35 for more details about the contents of this value. • 1=Master unit decides Cool/Heat operation when outdoor units are connected in multiple system combination (a) [1-10]= shows the total number of connected indoor units.
- Page 37 Default value=0. [2-30]= Power consumption limitation level (step 1) via the external To activate this function change [2-20]=1. control adaptor (DTA104A61/62) To stop the manual additional refrigerant charge opera- If the system needs to be running under power consumption tion (when the required additional refrigerant amount is limitation conditions when an external signal is sent to the charged), push BS3.
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Page 38: Energy Saving And Optimum Operation
[2-34]= Indoor unit fan tap setting settings, see 15.3. Energy saving and optimum operation. Indoor units fan speed limitation related to connection ca- [2-82]= Heating comfort setting pacity and outdoor air temperature for energy saving. Default value=1 Default value=0 Value Heating comfort setting Value [2-82]... - Page 39 Using this idea, the system automatically starts decreasing its re- • Quick frigerant temperature, automatically reducing the delivered capacity Overshoot (during heating operation) or undershoot (during cooling and increasing the system’s efficiency. operation) is allowed compared to the requested refrigerant tem- •...
- Page 40 Example: Automatic mode during cooling Example: Automatic mode during cooling 100% 100% 120°F (49°C) 115°F (46°C) 43°F (6°C) 37°F (3°C) 95°F (35°C) 36°F (2°C) A Actual load curve A Virtual load curve (default automatic mode peak capacity) B Virtual load curve (initial capacity automatic mode) B Load curve C Virtual target value (initial evaporation temperature C Virual target value (initial condensation temperature...
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Page 41: Test Operation
No matter which control is selected, variations on the behavior of the INFORMATION system are still possible due to protection controls to keep the unit Note that during the first running period of the unit, required power in- operating under reliable conditions. The intentional target, however, put may be higher. -
Page 42: Malfunction Code List
• The test operation is automatically carried out, the outdoor unit 15 .4 .3 . Correcting after abnormal completion of the test display will indicate and the indication Test operation and operation Under centralized control will display on the user interface of The test operation is only completed if there is no malfunction code indoor units. - Page 43 Malfunction code Contents Solution Main Sub code code Master/sub 1/sub 2 16/22/28 Discharge temperature sensor malfunction (R21T): Check connection on printed circuit board or actuator. open circuit – A1P (X29A) 17/23/29 Discharge temperature sensor malfunction (R21T): Check connection on printed circuit board or actuator. short circuit –...
- Page 44 Malfunction code Contents Solution Main Sub code code Master/sub 1/sub 2 01/08/11 INV1 voltage power shortage or open phase • Check if power supply is within range. • Correct phase order. 02/09/12 INV1 reversed or open power supply phase • Check if power supply is within range. •...
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Page 45: Operation Of The Unit
Malfunction code Contents Solution Main code Auto charging related Unusual low pressure on suction line Close valve A immediately. Push BS3 to reset. Check following items before retrying autocharge procedure: • Check if the gas side stop valve is opened correctly. •... -
Page 46: Service Mode Operation
Maximum concentration level NOTE The maximum charge of refrigerant and the calculation of the maxi- Play it safe. For protection of the printed circuit board, touch the con- mum concentration of refrigerant is directly related to the humanly trol box casing by hand in order to eliminate static electricity from your occupied space in to which it could leak. - Page 49 3P362438-1B EM13A019A [1402] FS...