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Summary of Contents for Daikin VRV III RXYQ-PY1K
- Page 1 INSTALLATION MANUAL System air conditioner RXYQ8P7Y1K RXYQ10P7Y1K RXYQ12P7Y1K RXYQ8P7YLK RXYQ10P7YLK RXYQ12P7YLK...
- Page 2 A+B+C+D a ≥10 mm a ≥50 mm a ≥200 mm (mm) b ≥300 mm b ≥100 mm b ≥300 mm c ≥10 mm c ≥50 mm d ≥500 mm d ≥500 mm a ≥10 mm a ≥50 mm a ≥200 mm b ≥300 mm b ≥100 mm b ≥300 mm...
- Page 3 15° F2 Q1 Q2 A B C A B C C/H SELECTOR TO IN/D UNIT TO OUT/D UNIT TO MULTI UNIT A B C F1 F2 F1 F2 Q1 Q2 Q1 Q2 Q1 Q2 F1 F2 F1 F2 F1 F2 F1 F2 F1 F2 F1 F2...
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Page 4: Table Of Contents
17.7 to 81.6 kW and nominal heating 15. Disposal requirements............. 29 capacities ranging from 25.0 to 112.5 kW. The RXYQ-P7 units can be combined with Daikin VRV indoor units for air conditioning purposes, and suitable for R410A. READ THIS MANUAL ATTENTIVELY BEFORE STARTING UP THE UNIT. -
Page 5: Standard Supplied Accessories
1.2. Standard supplied accessories Total capacity/quantity of indoor units Total Total See location 1 in figure 25 for reference to where following capacity of quantity of accessories are supplied with the unit. Standard combination of outdoor units indoor units indoor units Installation manual RXYQ8 100~260... -
Page 6: Selection Of Location
ELECTION OF LOCATION The equipment described in this manual may cause electronic noise generated from radio-frequency This unit, both indoor and outdoor, is suitable for installation in a energy. The equipment complies to specifications that commercial and light industrial environment. If installed as a house- are designed to provide reasonable protection against hold appliance it could cause electromagnetic interference, in which such interference. -
Page 7: Inspecting And Handling The Unit
Fasten the unit in place using four foundation NSPECTING AND HANDLING THE UNIT bolts M12. It is best to screw in the foundation bolts until their length remains 20 mm above At delivery, the package should be checked and any damage should the foundation surface. -
Page 8: Installation Tools
6.1. Installation tools 6.3. Pipe connection Make sure to use installation tools (gauge manifold charge hose, Be sure to perform a nitrogen blow when brazing and to read the etc.) that are exclusively used for R410A installations to withstand the paragraph "Caution to be taken when brazing refrigerant piping"... - Page 9 figure NOTE When connecting the piping on site, be sure to Pinched piping use the accessory piping. Stop valve Make sure the onsite piping does not come into Service port contact with other piping, the bottom frame or side panels of the unit. Point of melting the brazing metal Outdoor units installed in a multiple outdoor unit system: Precautions when connecting field piping.
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Page 10: Protection Against Contamination When Installing Pipes
If ≥2 m To avoid the risk of oil retention to the outmost outdoor unit, always connect the stop valve and the piping between outdoor units as shown in the 4 correct possibilities of the figure below. ≤2 m ≥2 m To indoor unit Piping between outdoor units Branching the refrigerant piping... -
Page 11: Example Of Connection
6.6. Example of connection RXYQ8~12P7Y1K + RXYQ8~12P7YLK Installation manual VRVIII System air conditioner 4PW41760-1... - Page 12 RXYQ8~12P7Y1K + RXYQ8~12P7YLK Installation manual VRVIII System air conditioner 4PW41760-1...
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Page 13: Leak Test And Vacuum Drying
Vacuum drying: Use a vacuum pump which can evacuate to EAK TEST AND VACUUM DRYING –100.7 kPa (5 Torr, –755 mm Hg) The units were checked for leaks by the manufacturer. Evacuate the system from the liquid and gas pipes by using a vacuum pump for more than 2 hours and bring the system to After connecting the field piping, perform the following inspections. -
Page 14: Internal Wiring - Parts Table
8.1. Internal wiring – Parts table L1,L2,L3 ....Live N......Neutral Refer to the wiring diagram sticker on the unit. The abbreviations .... Field wiring used are listed below: A1P~A6P .... Printed circuit board ....Terminal strip BS1~BS5 .... Push button switch (mode, set, return, test, reset) ....... -
Page 15: Power Circuit And Cable Requirements
8.3. Power circuit and cable requirements 8.4. General cautions A power circuit (see table below) must be provided for connection of Up to 3 units can be connected by crossover power source the unit. This circuit must be protected with the required safety wiring between outdoor units. -
Page 16: System Examples
8.5. System examples Use a power wire pipe for the power wiring. (See figure 15) Outside the unit, make sure the weak low voltage electric wiring (i.e. for the remote control, between Field power supply units, etc.) and the high voltage electric wiring do not Main switch pass near each other, keeping them at least 50 mm Earth leakage breaker... - Page 17 Fixing transmission wiring (See figure 24) Be sure to keep the power line and transmission line apart from each other. Inside switchbox Be careful about polarity of the transmission line. Make sure that the transmission line is clamped as Heating/cooling switching remote control cord (when a heating/ cooling switch remote control (optional) is connected) (ABC) shown in figure...
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Page 18: Field Line Connection: Power Wiring
8.8. Field line connection: power wiring Precautions when laying power wiring The power cord must be clamped to the plastic bracket using field Do not connect wiring of different thicknesses to the supplied clamp material. power terminal block. (Slack in the power wiring may cause abnormal heat.) The green and yellow striped wrapped wires must be used for grounding. -
Page 19: Pipe Insulation
11. C IPE INSULATION HARGING REFRIGERANT After finishing the leak test and vacuum drying, the piping must be The outdoor unit is factory charged, but depending on the length of insulated. Take into account the following points: the piping when installed, the outdoor unit may require additional charging. -
Page 20: Stop Valve Operation Procedure
11.2. Stop valve operation procedure 11.3. How to check how many units are connected It is possible to find out how many indoor units are active and Do not open the stop valve until all piping and connected by operating the push-button switch on the printed circuit electrical steps "10. -
Page 21: Additional Refrigerant Charge
11.4. Additional refrigerant charge NOTE "11.2. Stop valve operation procedure" on There are two ways to charge refrigerant. Use the selected method page 17 for details on how to handle stop valves. following the described procedure below. The refrigerant charging port is connected to the Adding refrigerant using leak detection function. - Page 22 Adding refrigerant using leak detection function (for NOTE For a multi outdoor unit system, it is not required RXYQ_Y1K units only) to connect all charge ports to a refrigerant tank. The automatic refrigerant charging has limits as described The refrigerant will be charged with ±22 kg in below.
- Page 23 Continue with the automatic charging in cooling Charging in cooling mode mode OR in heating mode. Start up Wait while the unit is preparing for charging in cooling mode. Charging in heating mode Start up H1P H2P H3P H4P H5P H6P H7P Wait while the unit is preparing for charging in heating mode.
- Page 24 Continue with the manually charging in cooling Adding refrigerant without using leak detection function mode OR in heating mode. Charge with the outdoor unit at standstill Charging in heating mode Calculate how much refrigerant to be added using the formula explained in the chapter "How to calculate the additional Start up...
- Page 25 Charging in cooling mode Normal system display Start up Wait while the unit is preparing for charging in cooling mode. Cooling/Heating Micro- display changeover computer (Default H1P H2P H3P H4P H5P H6P H7P Ready Indivi- Bulk Bulk operation status Mode /Error dual (master)
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Page 26: Checks After Adding Refrigerant
11.5. Inputting of additional refrigerant charge (only Final adjustment of the amount of refrigerant for automatic charging) When the unit displays an out of temperature range, the After the automatic charging in cooling mode is finished, the automatic charging of refrigerant can not be completed. additional refrigerant change needs to be registered on the outdoor unit. -
Page 27: Before Operation
12. B 12.2. Checks before initial start-up EFORE OPERATION NOTE Remark that during the first running period of the unit, required power input may be higher than stated on the 12.1. Service precautions nameplate of the unit. This phenomenon originates from the compressor that needs elapse of a 50 hours run in period before reaching smooth operation and stable power consumption. - Page 28 Location of the dip switches, LEDs and buttons Check operation procedure LED H1~8P Turn the power on for the outdoor unit and the indoor unit. Push button switches Be sure to turn the power on at least 6 hours before operation BS1~BS5 inorder to have power running to the crank case heater.
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Page 29: Test Operation
Push the button and the setting is defined. BS3 RETURN Setting mode 2 When the button is pushed again, the operation BS3 RETURN starts according to the setting. The H1P LED is on. Refer to the service manual for more details and for other settings. Setting procedure Push the button according to the required function... - Page 30 In case refrigerant was added by using the leak detection In case refrigerant was added without using the leak function detection function (pre-charging, charging in heating mode) In the check operation, the following checks and judgements will In the check operation, the following checks and judgement will be performed: be performed: Check of the stop valve opening...
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Page 31: Service Mode Operation
13. S Correcting after abnormal completion of the test operation ERVICE MODE OPERATION The test operation is only completed if there is no malfunction code Vacuuming method displayed on the remote controller. In case of a displayed malfunction code, perform the following actions to correct the abnormality: At the first installation, this vacuuming is not required. -
Page 32: Caution For Refrigerant Leaks
14. C AUTION FOR REFRIGERANT LEAKS Where there are no smaller room divisions Introduction The installer and system specialist shall secure safety against leakage according to local regulations or standards. The following standards may be applicable if local regulations are not available. - Page 33 1 10...
- Page 34 4PW41760-1...
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