Related Manuals for Daikin VRVIII REYQ-P8
Summary of Contents for Daikin VRVIII REYQ-P8
- Page 1 INSTALLATION MANUAL System air conditioner REYQ8P8Y1B REYQ10P8Y1B REYQ12P8Y1B REYQ14P8Y1B REYQ16P8Y1B...
- Page 2 A+B+C+D a ≥10 mm a ≥50 mm a ≥200 mm b ≥300 mm b ≥100 mm b ≥300 mm (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 2PW40200-1A...
- Page 4 2PW40200-1A...
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Page 5: Table Of Contents
REYQ-P system. 12.5. Final check after installation ............24 13. Service mode operation ............25 The REYQ-P units can be combined with Daikin VRV indoor units for 14. Additional refrigerant charging method ........25 air conditioning purposes suitable for R410A. -
Page 6: Indoor Capacity Range
1.1. Indoor capacity range 1.3. Optional accessories The indoor units can be installed in the following range. To install the above outdoor unit, the following optional parts are also required. Always use appropriate indoor units compatible with R410A. To learn which models of indoor units are compatible with Refrigerant branching kit (for R410A only: Always use an appropriate R410A, refer to the product catalogs. -
Page 7: Selection Of Location
10 When installing the unit in a small room, take measures in order ELECTION OF LOCATION to keep the refrigerant concentration from exceeding allowable safety limits in the event of a refrigerant leak. This unit, both indoor and outdoor, is suitable for installation in a commercial and light industrial environment. -
Page 8: Inspecting And Handling The Unit
Fasten the unit in place using four NSPECTING AND HANDLING THE UNIT foundation bolts M12. It is best to screw in the foundation bolts until their length At delivery, the packing should be checked and any damage should remains 20 mm above the foundation be reported immediately to the carrier claims agent. -
Page 9: 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 10: Protection Against Contamination When Installing Pipes
Removing the pinched piping In case of REYQ8, use the accessory joint for connecting the suction gas accessory pipe (2) to the suction gas stop valve. When connecting refrigerant piping to the outdoor unit, first (See figure 11) remove the pinched piping. Do not vent gases into the atmosphere. -
Page 11: Example Of Connection
6.6. Example of connection REYQ8~16P8Y1B Installation manual VRVIII System air conditioner 4PW39996-1A... - Page 12 REYQ8~16P8Y1B Installation manual VRVIII System air conditioner 4PW39996-1A...
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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 pipe, the suction gas pipe and the high pressure/low pressure gas pipe stop valve service After connecting the field piping, perform the following inspections. -
Page 14: Internal Wiring - Parts Table
8.1. Internal wiring – Parts table Z1C~Z10C... Noise filter (ferrite core) Z1F ...... Noise filter (with surge absorber) Refer to the wiring diagram sticker on the unit. The abbreviations L1,L2,L3 ....Live used are listed below: N......Neutral A1P~A8P .... Printed circuit board (main, sub 1, sub 2, noise filter, inverter, fan, current sensor) .... -
Page 15: Power Circuit And Cable Requirements
8.3. Power circuit and cable requirements Be sure to install an earth leakage breaker. (One that can handle high-frequency electrical noise.) A power circuit (see table below) must be provided for connection of (This unit uses an inverter, which means that an earth leakage the unit. -
Page 16: Leading Power Line And Transmission Line
8.6. Leading power line and transmission line 8.7. Field line connection: transmission wiring Be sure to let the power line and the transmission line pass (See figure 17) through a conduit hole. Electric component box (1) Lead the power line from the upper hole on the left side plate, Electric component box (2) from the front position of the main unit (through the conduit hole Never connect the power supply wire... -
Page 17: Field Line Connection: Power Wiring
8.8. Field line connection: power wiring Outside unit The power cord must be clamped to the plastic bracket using field Be sure to follow the limits below. If the unit-to-unit supplied clamp material. cables are beyond these limits, it may result in malfunction of transmission. -
Page 18: Wiring Example For Wiring Inside Unit
8.9. Wiring example for wiring inside unit IPE INSULATION figure After finishing the leak test and vacuum drying, the piping must be insulated. Take into account the following points: Power wiring Make sure to insulate the connection piping and refrigerant Wiring between units branch kits entirely. -
Page 19: Charging Refrigerant
11. C 11.3. Stop valve operation procedure HARGING REFRIGERANT Size of stop valve The outdoor unit is factory charged, but depending on the length of the piping when installed, the outdoor unit may require additional The sizes of the stop valves connected to the system are as listed in charging. -
Page 20: How To Check How Many Units Are Connected
11.4. How to check how many units are connected 11.5. Additional refrigerant charge It is possible to find out how many indoor units are active and Adding refrigerant using the automatic refrigerant charging connected by operating the push-button switch on the printed circuit function is recommended. - Page 21 After pre-charging, perform the refrigerant charge operation as Procedure for additional refrigerant charge shown below and charge the remaining refrigerant of the The automatic refrigerant charging has limits as described additional charging amount through valve A. (See figure 23) below. At out of limit, the system can not operate the automatic NOTE The refrigerant will be charged with ±30 kg in...
- Page 22 Charging in heating mode 10. In case leak detection function required Press the button once for post-processing with BS4 TEST Start up regard to the leak detection function and press the BS1 MODE Wait while the unit is preparing for charging in heating mode. button to confirm that charging is completed.
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Page 23: Procedure For Inputting The Additional Refrigerant Charge Weight Into The Pcb
Complete Remote controller malfunction code display H1P H2P H3P H4P H5P H6P H7P Remote controller heating mode malfunction codes c c c w w w w Error code The display on the remote controller shows a flashing PE code Close valve A immediately and press the TEST OPERATION for signalling that automatic charging will be finished in about 10 recharge button once. -
Page 24: Checks After Adding Refrigerant
12. B The weighed and already recorded amount of additional EFORE OPERATION refrigerant charge (not the total amount of refrigerant present in the system) must be entered by selecting the corresponding LED display. 12.1. Service precautions Scroll through the possible LED combinations by pressing the button until the LED combination corresponds to the BS2 SET weight of additional refrigerant charge you must input. -
Page 25: Checks Before Initial Start-Up
12.2. Checks before initial start-up Location of the DIP switches, LEDs and buttons LED H1~8P NOTE Remark that during the first running period of the unit, required power input may be higher than stated on the Push button switches BS1~BS5 nameplate of the unit. - Page 26 3.2 Possible settings for function C Setting the mode The noise of level 3 < level 2 < level 1 ( The set mode can be changed with the button according BS1 MODE H1P H2P H3P H4P H5P H6P H7P to the following procedure: w x x x x x x For setting mode 1: Press the...
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Page 27: Test Operation
12.4. Test operation Test operation procedure Close all front panels except the front panel of the electric component box. Do not insert fingers, rods or other objects into the air inlet or outlet. When the fan is rotating at high speed, it Turn ON the power to the outdoor unit and the connected indoor will cause injury. -
Page 28: Final Check After Installation
12.5. Final check after installation Correcting after abnormal completion of the test operation The test operation is only completed if there is no malfunction code After all installation works are completed, operate the unit normally displayed on the remote controller. In case of a displayed malfunction and check the following: code, perform the following actions to correct the abnormality: Make sure the indoor units and outdoor unit are operating... -
Page 29: Service Mode Operation
13. S 14. A ERVICE MODE OPERATION DDITIONAL REFRIGERANT CHARGING METHOD NOTE Do not shut off the power and do not reset the setting When the leak detection function is not required and the entire of mode 2 when vaccuuming or recovering refrigerant. refrigerant quantity can not be charged through the liquid pipe stop Otherwise the expansion valves will close making it valve service port with the unit not operating (refer to... -
Page 30: Caution For Refrigerant Leaks
15. C Calculate the smallest room volume (m AUTION FOR REFRIGERANT LEAKS In a case such as the following, calculate the volume of (A), (B) Introduction as a single room or as the smallest room. Where there are no smaller room divisions The installer and system specialist shall secure safety against leakage according to local regulations or standards. - Page 31 F1 F2 F1 F2 F1 F2 F1 F2 TO IN/D TO OUT/D TO IN/D TO OUT/D UNIT UNIT UNIT UNIT TO IN/D UNIT TO OUT/D UNIT F1 F2 F1 F2 F1 F2 F1 F2 F1 F2 F1 F2 6 6 6 6 6 6 6 6 6...
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