Center of Gravity EDUS341411-N 1. Center of Gravity RXYQ-TYDN RXYQ72TYDN Unit: in. (mm) 4D087112 RXYQ96TYDN / RXYQ120TYDN Unit: in. (mm) 4D087113 Installation of Outdoor Units...
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EDUS341411-N Center of Gravity RXYQ144TYDN / RXYQ168TYDN Unit: in. (mm) 4D087114 Installation of Outdoor Units...
Center of Gravity EDUS341411-N RXYQ-TTJU RXYQ72TTJU Unit: in. (mm) 4D087109 RXYQ96TTJU / RXYQ120TTJU Unit: in. (mm) 4D087110 Installation of Outdoor Units...
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EDUS341411-N Center of Gravity RXYQ144TTJU / RXYQ168TTJU Unit: in. (mm) 4D087111 Installation of Outdoor Units...
EDUS341411-N Installation Manual 3. Installation Manual RXYQ-TYDN, RXYQ-TTJU Safety considerations WARNING Read these Safety considerations for Installation carefully be- work. Installation must be done in accordance with this fore installing an air conditioner or heat pump. After complet- installation manual. Improper installation could result in ing the installation, make sure that the unit operates properly during the startup operation.
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Installation Manual EDUS341411-N CAUTION (c) Near machinery emitting electromagnetic waves. the control system and cause the unit to malfunction. Do not allow children to play on or around the unit or it may result in injury. are handled. Operating the unit in such conditions may result in injury if improperly used.
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AHU (air to air applications): AHU Integration kit is required. See cable to communicate with the outdoor unit. The software for the user interface program can be obtained from your local Daikin INFORMATION Refer to the technical engineering data for the latest option names.
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EDUS341411-N Installation Manual 1.3. Indoor capacity range NOTE Do not throw away any of the accessories until installation is complete. <Outdoor unit> They are needed for installation work. RXYQ72TTJU/TYDN ..... 36-93 RXYQ96TTJU/TYDN .
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Installation Manual EDUS341411-N 3.2. It is therefore recommended to install the equipment and electric wires keeping proper distances away from stereo equipment, personal computers, etc tions. 3.3. Main components For main components and function of the main components, refer to 4.
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EDUS341411-N Installation Manual 4.3. 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.
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Installation Manual EDUS341411-N 5.2. Service space <Front side> <Suction side> The space around the unit is adequate for servicing and the minimum Service and choose one of the possibilities). space or more or more 59 in. (1500 mm) 19-5/8 in. (500 mm) In case of an installation site where sides A+B+C+D have obsta- cles, the wall heights of sides A+C have no impact on service space of sides B+D on service space dimensions.
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EDUS341411-N Installation Manual 6.3. Unpacking 6. Inspecting, handling and unpacking the unit 6.1. Inspection CAUTION At delivery, the unit must be checked and any damage must be re- ported immediately to the carrier’s claims agent. Relief the unit from its packing material: 6.2.
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Installation Manual EDUS341411-N The height of the foundation must at least be 5-7/8 in. (150 mm ) 6.5. Method for removing shipping plate The shipping plate installed over the compressor leg for protecting the In heavy snowfall areas, this height should be increased, depending on the installation place and condition.
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EDUS341411-N Installation Manual 7.3. Selection of piping size 7. Refrigerant pipe size and allowable pipe length Determine the proper size referring to following tables and reference 7.1. General information NOTE The refrigerant R410A requires strict cautions for keeping the system clean, dry and tight.
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Installation Manual EDUS341411-N 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...
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EDUS341411-N Installation Manual INFORMATION 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 BHFP22P151U...
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Installation Manual EDUS341411-N 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 1.2 Example 1.3 Example 1.1 Multi outdoor Indoor unit Refnet joint Refnet header Outdoor multi con- Example 2.1...
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EDUS341411-N Installation Manual Maximum allowable length after branch 7.5.3. System containing VRV indoor units and Mini-split 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. (40 m), unit 8: i+k 130 ft. (40 m) Example 1.3: unit 8: 130 ft.
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Installation Manual EDUS341411-N 8. Precautions on refrigerant piping Do not allow anything other than the designated refrigerant to get refrigerant gas leaks while working on the unit, ventilate the room thoroughly right away. Use R410A only when adding refrigerant 1 Refrigerant piping Installation tools: Make sure to use installation tools (gauge manifold, charge hose, 2 Part to be brazed...
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EDUS341411-N Installation Manual 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...
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Installation Manual EDUS341411-N 8.2.5. 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 hole here Pattern 1 Pattern 2 1 Liquid side stop valve 2 Gas side stop valve 3 Filed connection piping kit (accessory) 4 Knockout hole...
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EDUS341411-N Installation Manual Installation of the multi connection piping kit. To indoor unit Piping between outdoor units > 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.
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Installation Manual EDUS341411-N 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. Check for refrigerant leaks after tightening the service port cover.
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EDUS341411-N Installation Manual 9.2. Wiring connection example for whole system code will be displayed on the indoor remote controller. parts (terminal for power wiring, terminal for transmission wiring and ground terminal). mentary blackout or the power goes on and off while the product is operating, attach a reverse-phase protection circuit locally.
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Installation Manual EDUS341411-N RXYQ72T RXYQ96-168T The Outdoor unit that connects the transmission wiring to an indoor unit is Master unit of the multi system. 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.
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EDUS341411-N Installation Manual (Only RXYQ – TYDN) (There are no work when installation.) Liquid pipe Attach insulation sleeves Gas pipe Power supply terminal block Transmission wiring Ground terminal Insulation material Clamp (1) (accessory) Finishing tape Vinyl tube (accessory) CAUTION For multi system: Be sure to use crimp-style terminal with insulating sleeves for con- 1 Transmission wiring between outdoor units in the same piping Power wire...
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Installation Manual EDUS341411-N RXYQ72T 10. 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. (Measuring after the stop valve is opened will cause the insulation value to drop.) <Needed tools>...
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EDUS341411-N Installation Manual 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.
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Installation Manual EDUS341411-N For VRV IV heat pump system it is alternatively possible to make 13.2. Operating the push buttons and DIP switches on the logic board 13.2.1. Operating the push buttons By operating the push buttons it is possible to: Perform special actions (automatic refrigerant charge, test run, etc).
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EDUS341411-N Installation Manual Access mode 2 Example: Push BS1 for at least 5 seconds. Segment indication changes to: pressure setting of the outdoor unit’s fan). INFORMATION know/change If you get confused in the middle of the process, push BS1. Then it returns to idle situation (no indication on segment displays: Make sure the segment indication is as during normal operation (de- blank, refer to Functions of the push button switches which are located fault situation when shipped from factory).
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Installation Manual EDUS341411-N 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. R=[(X 7/8) 0.249+(X 3/4) 0.175+(X 5/8) 0.121+(X 1/2) 0.081+(X 3/8) 0.040+(X 1/4) 0.015]+[A]+[B] =Total length (ft.
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EDUS341411-N Installation Manual 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 Step 4a Step 2+3 Close valve C. Refrigerant overcharge happened Recover refrigerant to reach R<Q stop valve. Fill in the amount on the additional refrigerant charge label.
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Installation Manual EDUS341411-N << 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) Push BS2 within 5 minutes. Push BS2 within 5 minutes.
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EDUS341411-N Installation Manual 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- In case of a multiple outdoor system, turn on the power of all out- without outdoor unit operation.
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Installation Manual EDUS341411-N - If the unit indicates , or , the ambient conditions are NOTE The refrigerant charging port is connected to the piping inside the automatic charging procedure. unit. The unit’s internal piping is already factory charged with refrig- INFORMATION erant, so be careful when connecting the charge hose.
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EDUS341411-N Installation Manual Perform the test procedure as described in 15.4.2. Test operation on 14.3.4. Checks after adding refrigerant 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? When a malfunction is detected during the procedure (e.g., in case...
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Installation Manual EDUS341411-N 2 Field wiring Below relevant Monitoring mode (mode 1) and Field setting mode the wiring diagrams and according to the applicable legislation. is given on how to make a setting. It is advised to check this procedure 3 Power supply voltage before accessing, checking and changing below settings.
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EDUS341411-N Installation Manual [1-6]= shows the current T target parameter position. ing master indoor user interface (see setting [2-83] on 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. 2=Sub unit for Cool/Heat operation when outdoor units It can be convenient to check if the total number of indoor are connected in multiple system combination (a)
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Installation Manual EDUS341411-N Default value=0. 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 charged), push BS3.
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EDUS341411-N Installation Manual [2-34]= Indoor unit fan tap setting 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] Indoor unit fan tap setting [2-34] Fan speed is limited to L tap when indoor units...
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Installation Manual EDUS341411-N 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 operation) is allowed compared to the requested refrigerant tem- To activate this operation method under heating operation: perature, in order to achieve the required room temperature very fast.
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EDUS341411-N Installation Manual 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...
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Installation Manual EDUS341411-N 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 operating under reliable conditions. The intentional target, however, put may be higher. This phenomenon originates from the compressor that requires a 50 hour run elapse before reaching smooth operation consumption and comfort, depending on the application type.
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EDUS341411-N Installation Manual 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.
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Installation Manual EDUS341411-N 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 –...
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EDUS341411-N Installation Manual 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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Installation Manual EDUS341411-N 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. Check if the valve of the refrigerant cylinder is opened.
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EDUS341411-N Installation Manual Maximum concentration level NOTE Play it safe. For protection of the printed circuit board, touch the con- mum concentration of refrigerant is directly related to the humanly occupied space in to which it could leak. body before performing service. The unit of measurement of the concentration is lbs./ft.
2. Special purpose REFNET pipe components must be used for all the pipe work. For further details concerning choosing components, see REFNET and Piping Selection Rules. 3. The Daikin REFNET kits are supplied with insulation intended to fit over the main body of the REFNET joint after installation of the REFNET kit is complete.
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EDUS341411-N REFNET Pipe System 4.1.2 Equivalent Piping Length of Joints and Headers (Reference) 1/4 in. 3/8 in. 1/2 in. 5/8 in. 3/4 in. 7/8 in. 1 in. 1-1/8 in. 1-1/4 in. ...
REFNET Pipe System EDUS341411-N REFNET Joints and Headers 4.2.1 REFNET Joints For gas and liquid branch pipes Make sure that all branch pipes are fitted such that they branch either horizontally or vertically. When the size of the selected field piping is different from that of branch pipe then the connecting section should be cut with a pipe cutter as shown in the figure below.
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EDUS341411-N REFNET Pipe System When the number of indoor units to be connected to the branch pipes is less than the number of branch pipes available for connection then cap pipes should be fitted to the surplus branches. When the size of the selected field piping is different from that of branch pipe then the connecting section should be cut with a pipe cutter as shown in the figure below.
REFNET Joint and Header EDUS341411-N 5. REFNET Joint and Header REFNET Joint (Branch Kit) KHRP26A22T Unit: in. Liquid Side Gas Side (1-9/16) (1-5/8) 9-13/16 13-5/16 11-7/16 14-15/16 3-15/16 3-1/8 C: D3K05234A KHRP26A33T Unit: in. Liquid Side Gas Side (1-9/16) (1-1/2) 10-1/4 12-11/16 14-3/16...
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EDUS341411-N REFNET Joint and Header KHRP26M73TU Unit: in. GAS SIDE 24-3/4 O. D. 1-3/8 I. D. 1-1/8 THERMAL INSULATION I. D. 1-3/8 I. D. 1-3/8 4-3/4 I. D. 7/8 O. D. 7/8 I. D. 1-1/8 O. D. 7/8 I. D. 5/8 O.
REFNET Joint and Header EDUS341411-N REFNET Header (Branch Kit) KHRP26M22H Unit: in. Gas Side I. D. φ 3/4 Liquid Side Insulation Insulation I. D. φ 5/8 O. D. φ 1/4 I. D. φ 3/8 × 2 1-9/16 I. D. φ 5 / 8 3 - I.
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EDUS341411-N REFNET Joint and Header KHRP26M73HU Unit: in. Gas Side Liquid Side Thermal Insulation Thermal Insulation I. D. 1-3/8 7-1/16 7×2-3/8=16-1/2 27-15/16 8 - I. D. 3/8 I. D. 5/8 6-1/2 5×3-1/8=15-3/4 3-1/8 3-1/8 I. D. 3/4 O. D. 5/8 30-1/2 I.
REFNET Joint and Header EDUS341411-N Outdoor Unit Multi Connection Piping Kit BHFP22P100U Gas side Unit: in. GAS-SIDE REDUCER (3) ( φ 1) GAS-SIDE JOINT + GAS-SIDE REDUCER (1) to Outdoor Unit A I. D. φ 1-1/8 3-1/16 24-15/16 I. D. φ 1 1-15/16 2-5/8 24-7/16...
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EDUS341411-N REFNET Joint and Header 1P218719 Installation of Outdoor Units...
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REFNET Joint and Header EDUS341411-N 1P218719 Installation of Outdoor Units...
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EDUS341411-N REFNET Joint and Header 1P218720 Installation of Outdoor Units...
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REFNET Joint and Header EDUS341411-N 1P218720 Installation of Outdoor Units...
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EDUS341411-N REFNET Joint and Header BHFP22P151U Gas side Unit: in. 3D071077 Liquid side Unit: in. 3D071076 Installation of Outdoor Units...
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REFNET Joint and Header EDUS341411-N 1P280278A Installation of Outdoor Units...
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EDUS341411-N REFNET Joint and Header 1P280278A Installation of Outdoor Units...
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REFNET Joint and Header EDUS341411-N 1P280279 Installation of Outdoor Units...
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