Daikin VRV IV RYYQ10T7Y1B Series Installation And Operation Manual
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Daikin VRV IV RYYQ10T7Y1B Series Installation And Operation Manual

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Installation and operation
manual
VRV IV system air conditioner
RYYQ8T7Y1B*    
RYYQ10T7Y1B*    
RYYQ12T7Y1B*    
RYYQ14T7Y1B*    
RYYQ16T7Y1B*    
RYYQ18T7Y1B*    
RYYQ20T7Y1B*    
                      
RYMQ8T7Y1B*    
RYMQ10T7Y1B*    
RYMQ12T7Y1B*    
RYMQ14T7Y1B*    
RYMQ16T7Y1B*    
RYMQ18T7Y1B*    
RYMQ20T7Y1B*    
                      
RXYQ8T7Y1B*    
RXYQ10T7Y1B*    
RXYQ12T7Y1B*    
RXYQ14T7Y1B*    
RXYQ16T7Y1B*    
Installation and operation manual
RXYQ18T7Y1B*    
English
VRV IV system air conditioner
RXYQ20T7Y1B*

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Summary of Contents for Daikin VRV IV RYYQ10T7Y1B Series

  • Page 1 Installation and operation manual VRV IV system air conditioner RYYQ8T7Y1B*     RYYQ10T7Y1B*     RYYQ12T7Y1B*     RYYQ14T7Y1B*     RYYQ16T7Y1B*     RYYQ18T7Y1B*     RYYQ20T7Y1B*                            RYMQ8T7Y1B*     RYMQ10T7Y1B*     RYMQ12T7Y1B*     RYMQ14T7Y1B*     RYMQ16T7Y1B*     RYMQ18T7Y1B*     RYMQ20T7Y1B*                            RXYQ8T7Y1B*     RXYQ10T7Y1B*     RXYQ12T7Y1B*     RXYQ14T7Y1B*     RXYQ16T7Y1B*     Installation and operation manual RXYQ18T7Y1B*    ...
  • Page 2 2P329110-1H...
  • Page 3 2P329110-1H...

  • Page 4: Table Of Contents

    Table of Contents 5.7.4 To connect the transmission wiring......23 Table of Contents 5.7.5 To finish the transmission wiring........24 5.7.6 To route and fix the power supply........ 24 5.7.7 To connect the power supply ........24 1 About the documentation 6 Configuration About this document..............

  • Page 5: About The Documentation

    16 Disposal ▪ A subset of the latest technical data is available on the regional Daikin website (publicly accessible). ▪ The full set of latest technical data is available on the Daikin About the documentation extranet (authentication required). About this document...

  • Page 6: To Remove The Transportation Stay

    3 About the units and options Accessory pipes (mm) Øa Øb Model Description Liquid pipe RXYQ8~20 Single non-continuous heating model. RXYQ22~54 Multi non-continuous heating model ▪ Front connection (consisting of 2 or 3 RXYQ modules). ID Øb 12.7 The RYYQ models provide continuous comfort during 12.7 defrost operation.

  • Page 7: Additional Installation Site Requirements Of The Outdoor Unit In Cold Climates

    If the unit has to operate for 5 days in this area with capacity type (HP) Gas pipe Liquid pipe high humidity (>90%), Daikin recommends to install the 19.1 optional heater tape kit (EKBPH012T or EKBPH020T) to keep the drain holes free. If you do so, you also have to 22.2...

  • Page 8: To Select Refrigerant Branch Kits

    4 Preparation ▪ The pipe thickness of the refrigerant piping shall comply with the Indoor unit capacity Piping outer diameter size (mm) applicable legislation. The minimal pipe thickness for R410A index Gas pipe Liquid pipe piping must be in accordance with the table below. <150 15.9 Pipe Ø...

  • Page 9: Requirements In Case Of Fxtq Indoor Units

    4 Preparation Outdoor unit capacity type 2 pipes (HP) 8~10 KHRQ22M29T9 12~22 KHRQ22M64T Ø22.2 mm Ø28.6 mm Ø19.1 mm 24~54 KHRQ22M75T ▪ For refnet joints other than the first branch (example refnet joint b), INFORMATION select the proper branch kit model based on the total capacity index of all indoor units connected after the refrigerant branch.

  • Page 10: Multiple Outdoor Units: Possible Layouts

    4 Preparation A: Piping between outdoor unit and first refrigerant branch kit Pattern 1 Pattern 2 Use the following diameters: Outdoor unit Piping outer diameter size (mm) capacity type (HP) Gas pipe Liquid pipe 19.1 22.2 12~16 28.6 12.7 B: Piping between refrigerant branch kits Use the following diameters: Outdoor unit Piping outer diameter size (mm)

  • Page 11: Preparing Electrical Wiring

    5 Installation Piping between outdoor units Example Combining the RXYQ30 by using the RXYQ8, RXYQ10, and RXYQ12. NOTICE ▪ Minimum circuit ampacity of the RXYQ8=16.1 A There are restrictions on the refrigerant pipe connection order between outdoor units during installation in case of a ▪...

  • Page 12: Mounting The Outdoor Unit

    5 Installation 8~12 HP ≥AB 2× (mm) 14~20 HP Minimum foundation Anchor point (4×) 8~12 14~20 1076 1302 6× ▪ Fasten the unit in place using four foundation bolts M12. It is best to screw in the foundation bolts until their length remains 20  mm above the foundation surface.

  • Page 13: To Connect The Refrigerant Piping To The Outdoor Unit

    5 Installation Large knockout hole Drill Points for drilling 5.3.4 Multiple outdoor units: Knockout holes NOTICE Precautions when making knockout holes: Connection Description ▪ Avoid damaging the casing. Front connection Remove the front plate knockout holes to connect. ▪ After making the knockout holes, we recommend you remove the burrs and paint the edges and areas around the edges using repair paint to prevent rusting.

  • Page 14: To Remove The Pinched Pipes

    5 Installation Tightening torques Stop valve Tightening torque N•m (turn clockwise to close) size (mm) Shaft Valve body Hexagonal Cap (valve Service wrench lid) port Ø9.5 5.4~6.6 4 mm 13.5~16.5 11.5~13.9 Ø12.7 8.1~9.9 18.0~22.0 Ø15.9 13.5~16.5 6 mm 23.0~27.0 Ø19.1 27.0~33.0 8 mm 22.5~27.5 Ø25.4 5.3.7...

  • Page 15: Checking The Refrigerant Piping

    5 Installation NOTICE Make sure that all indoor units connected to the outdoor unit are powered on. NOTICE Wait until the outdoor unit has finished the initialisation to apply setting [2‑21]. Leak test and vacuum drying Checking the refrigerant piping involves: ▪...

  • Page 16: To Perform A Leak Test

    5 Installation Valve C 4 Depending on whether you want to immediately charge Valve D refrigerant through the refrigerant charge port or first pre-charge a portion of refrigerant through the liquid line, either open the Valve State of valve outdoor unit stop valves, or keep them closed. See "5.6.2 About Valve A Open...

  • Page 17: About Charging Refrigerant

    5 Installation NOTICE 5.6.3 To determine the additional refrigerant amount Be sure to turn on the power 6 hours before operation in order to have power running to the crankcase heater and INFORMATION to protect the compressor. When using FXTQ indoor units, different requirements NOTICE apply.

  • Page 18: To Charge Refrigerant: Flow Chart

    5 Installation 5.6.4 To charge refrigerant: Flow chart For more information, see "5.6.5 To charge refrigerant" on page 20. Pre-charging refrigerant Step 1 p < p > Calculate additional refrigerant charge amount: R (kg) Step 2+3 R410A • Open valves C, D and B to the liquid and equalising line •...
  • Page 19 5 Installation Charging refrigerant << Continuation of previous page R>Q Step 5 p < p > • Connect valve A to the refrigerant charge port (d) • Open all outdoor unit stop valves R410A Step 6 Proceed with automatic or manual charge Automatic charge Manual charge Step 6a...

  • Page 20: To Charge Refrigerant

    5 Installation << Continuation of previous page Heating charging Cooling charging ("t22" startup control) ("t02" startup control) ("t23" waiting for stable heating) ("t03" waiting for stable cooling) "t23" is flashing "t03" is flashing • Push BS2 within 5 minutes • Push BS2 within 5 minutes •...

  • Page 21: Step 6A: To Automatically Charge Refrigerant

    5 Installation p < p > NOTICE ▪ The refrigerant charging port is connected to the piping inside the unit. The unit's internal piping is already factory charged with refrigerant, so be careful when connecting the charge hose. R410A ▪ After adding the refrigerant, do not forget to close the lid of the refrigerant charging port.

  • Page 22: Step 6B: To Manually Charge Refrigerant

    5 Installation INFORMATION Code Cause Solution Indicates an indoor unit Refer to requirements to ▪ When a malfunction is detected during the procedure which is not compatible be able to execute leak (e.g, in case of closed stop valve), a malfunction code with leak detection detection operation.

  • Page 23: Guidelines When Knocking Out Knockout Holes

    5 Installation 8~12 HP 14~20 HP Field power supply (with earth leakage protector) Main switch Earth connection Outdoor unit Indoor unit User interface Indoor power supply wiring (sheathed cable) (230 V) Transmission wiring (sheathed cable) (16 V) Outdoor power supply wiring (sheathed cable) Power supply 3N~ 50 Hz Power supply 1~ 50 Hz Earth wiring...

  • Page 24: To Finish The Transmission Wiring

    5 Installation Screw size Tightening torque (N•m) 5.7.6 To route and fix the power supply M3.5 (A1P) 0.80~0.96 NOTICE In case of single outdoor unit installation When routing earth wires, secure clearance of 25  mm or more away from compressor lead wires. Failure to observe this instruction properly may adversely affect correct operation of other units connected to the same earth.

  • Page 25: Configuration

    6 Configuration 14~20 HP Push buttons and DIP switches Item Description Push buttons By operating the push buttons it is possible to: ▪ Perform special actions (automatic refrigerant charge, testrun, etc). ▪ Perform field settings (demand operation, low noise, etc). DIP switches By operating the DIP switches it is possible to: Power supply (380~415 V - 3N~ 50Hz)

  • Page 26: To Access The Field Setting Components

    6 Configuration Stage Display When turning on the power supply: flashing as indicated. First checks on power supply are executed (1~2 min). DS1 DS2 BS1 BS2 When no trouble occurs: lighted as indicated X27A (8~10 min). MODE: For changing the set mode Ready for operation: blank display indication as SET: For field setting indicated.

  • Page 27: Mode 1: Monitoring Settings

    6 Configuration [1‑29] [1‑30] [1‑31] What Shows the estimated leaked refrigerant amount (kg) based on: Changing the value of the ▪ Once mode  2 is selected (push BS1 selected setting in mode 2 for more than 5 seconds) you can ▪ [1‑29]: The latest leak detection operation. select the wanted setting.

  • Page 28: To Connect The Pc Configurator To The Outdoor Unit

    6 Configuration [2‑8] [2‑20] Description target temperature during cooling operation. Activated. To stop the manual additional refrigerant [2‑8] target (°C) charge operation (when the required additional 0 (default) Auto refrigerant amount is charged), push BS3. If this function was not aborted by pushing BS3, the unit will stop its operation after 30 minutes.

  • Page 29: Using The Leak Detection Function

    7 Commissioning Using the leak detection function Checklist before commissioning After the installation of the unit, first check the following items. Once 6.2.1 About automatic leak detection all below checks are fulfilled, the unit must be closed, only then can the unit be powered up.

  • Page 30: About Test Run

    7 Commissioning ▪ Make sure to carry out the system test operation after the first Additional refrigerant charge installation. Otherwise, the malfunction code will be displayed The amount of refrigerant to be added to the unit shall be on the user interface and normal operation or individual indoor unit written on the included "Added refrigerant"...

  • Page 31: Correcting After Abnormal Completion Of The Test Run

    8 Troubleshooting Completion Description Troubleshooting Abnormal Indication of malfunction code on the completion 7‑segment display. Solving problems based on error Refer to "7.5 Correcting after abnormal codes completion of the test run" on page 31 to take actions for correcting the abnormality. When In case of a displayed malfunction code, perform correcting actions the test operation is fully completed, normal as explained in the malfunction code table.
  • Page 32 8 Troubleshooting Main code Sub code Cause Solution Master Slave 1 Slave 2 Ambient temperature sensor Check connection on PCB or actuator. malfunction (R1T) - A1P (X18A) Discharge temperature sensor Check connection on PCB or actuator. malfunction (R21T): open circuit - A1P (X29A) Discharge temperature sensor Check connection on PCB or actuator.
  • Page 33 8 Troubleshooting Main code Sub code Cause Solution Master Slave 1 Slave 2 INV1 voltage power shortage Check if power supply is within range. INV1 power phase loss Check if power supply is within range. INV2 voltage power shortage Check if power supply is within range INV2 power phase loss Check if power supply is within range.

  • Page 34: Technical Data

    Hydrobox, …) Technical data A subset of the latest technical data is available on the regional Daikin website (publicly accessible). The full set of latest technical data is available on the Daikin extranet (authentication required). Service space: Outdoor unit...

  • Page 35: Piping Diagram: Outdoor Unit

    9 Technical data Piping diagram: RYMQ8~12 ▪ The installation space required on these drawings are for full load heating operation without considering possible ice accumulation. If the location of the installation is in a cold climate, then all dimensions above should be >500  mm to avoid accumulation of ice in between the outdoor units.

  • Page 36: For The User

    10 About the system Piping diagram: RXYQ14~20 Compressor (M1C) Compressor (M2C) Heat exchanger Fan motor (M1F, M2F) Accumulator Expansion valve, main (Y1E) Expansion valve, subcool heat exchanger (Y2E) Expansion valve, storage vessel (Y3E) Subcool heat exchanger Oil separator Solenoid valve, oil accumulator (Y2S) (S1NPL) (S1NPH) Solenoid valve, oil1 (Y3S)

  • Page 37: Operating The System

    12 Operation Special operation ranges are valid in case of using Hydrobox units or 12.2.4 To operate the system (WITHOUT cool/ AHU. They can be found in the installation/operation manual of the heat changeover remote control switch) dedicated unit. Latest information can be found in the technical engineering data.

  • Page 38: Using The Dry Program

    12 Operation 12.3 Using the dry program 12.4 Adjusting the air flow direction Refer to the operation manual of the user interface. 12.3.1 About the dry program 12.4.1 About the air flow flap ▪ The function of this program is to decrease the humidity in your room with minimal temperature decrease (minimal room cooling).

  • Page 39: 13 Maintenance And Service

    13 Maintenance and service User interface (dedicated depending on indoor unit type) WARNING User interface (wireless, dedicated depending on indoor The refrigerant in the system is safe and normally does not unit type) leak. If the refrigerant leaks in the room, contact with a fire When the system is installed as shown in the figure above, it is of a burner, a heater or a cooker may result in a harmful necessary to designate one of the user interfaces as the master user...

  • Page 40: Error Codes: Overview

    14 Troubleshooting Malfunction Measure 14.1 Error codes: Overview If a safety device such as a fuse, a Turn off the main power In case a malfunction code appears on the indoor unit user interface breaker or an earth leakage breaker switch.

  • Page 41: Symptoms That Are Not System Malfunctions

    14 Troubleshooting ▪ When the cool/heat changeover remote control switch is installed Main code Contents and the display shows (change-over under centralized Inverter PCB faulty control), this is because cool/heat changeover is controlled by the Compressor over current detected cool/ heat changeover remote control switch. Ask your dealer Compressor lock (startup) where the remote control switch is installed.

  • Page 42: Symptom: Noise Of Air Conditioners (Indoor Unit, Outdoor Unit)

    15 Relocation ▪ A continuous low "shah" sound is heard when the system is in Relocation cooling operation or at a stop. When the drain pump (optional accessories) is in operation, this noise is heard. Contact your dealer for removing and reinstalling the total unit. Moving units requires technical expertise.
  • Page 44 4P370473-1 C 0000000$ 4P370473-1C 2016.07...

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Vrv iv ryyq8t7y1b seriesVrv iv ryyq12t7y1b seriesVrv iv ryyq14t7y1b seriesVrv iv ryyq16t7y1b seriesVrv iv ryyq18t7y1b seriesVrv iv ryyq20t7y1b series ... Show all

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