Related Manuals for Daikin RXYCQ8A7Y1B
Summary of Contents for Daikin RXYCQ8A7Y1B
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Page 1: Installation Manual
INSTALLATION MANUAL VRV Classic System air conditioner System air conditioner RXYCQ8A7Y1B RXYCQ10A7Y1B RXYCQ12A7Y1B RXYCQ14A7Y1B RXYCQ16A7Y1B RXYCQ18A7Y1B RXYCQ20A7Y1B... - Page 2 RXYCQ8 RXYCQ10~14 RXYCQ16~20 A+B+C+D a 10 mm a 50 mm a 200 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...
- Page 3 F2 Q1 Q2 A B C A B C C/H SELECTOR TO IN/D UNIT TO OUT/D UNIT TO MULTI UNIT F1 F2 F1 F2 F1 F2 F1 F2 F1 F2 F1 F2 1 10...
- Page 4 2P329110-2B...
- Page 5 2P329110-2B...
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Page 6: Table Of Contents
11.3. Stop valve operation procedure ..........15 11.4. How to check how many units are connected......16 The RXYCQ units can be combined with Daikin VRV indoor units for 11.5. Additional refrigerant charge............16 air conditioning purposes, and suitable for R410A. -
Page 7: Combination
1.1. Combination AIN COMPONENTS The indoor units can be installed in the following range. For main components and function of the main components, refer to ■ Always use appropriate indoor units compatible with R410A. the Engineering Data Book. To learn which models of indoor units are compatible with R410A, refer to the product catalogs. -
Page 8: Inspecting And Handling The Unit
10 When installing the unit in a small room, take measures in order NSPECTING AND HANDLING THE UNIT to keep the refrigerant concentration from exceeding allowable safety limits in the event of a refrigerant leak. At delivery, the package should be checked and any damage should be reported immediately to the carrier claims agent. -
Page 9: Unpacking And Placing The Unit
NPACKING AND PLACING THE UNIT EFRIGERANT PIPING ■ Remove the four screws fixing the unit to the pallet. Do not insert fingers, rods or other objects into the air ■ Make sure the unit is installed level on a sufficiently strong base inlet or outlet. -
Page 10: Pipe Connection
■ The pipe thickness of the refrigerant piping should comply NOTE Precautions when knocking out knock holes with relevant local and national regulations. The minimal pipe thickness for R410A piping must be in accordance with the ■ Be sure to avoid damaging the casing table below. -
Page 11: Protection Against Contamination When Installing Pipes
Branching the refrigerant piping Precautions when connecting field piping. ■ For installation of the refrigerant branching kit, refer to the ■ Perform brazing at the gas stop valve before installation manual delivered with the kit. brazing at the liquid stop valve. (See figure 16) ■... -
Page 12: Example Of Connection
6.6. Example of connection Installation manual RXYCQ8~20A7Y1B VRV Classic System air conditioner 4P327528-1 – 2012.08... - Page 13 How to calculate the additional refrigerant to be charged RXYCQ8~20A7Y1B Installation manual VRV Classic System air conditioner 4P327528-1 – 2012.08...
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Page 14: 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 15: Internal Wiring - Parts Table
8.1. Internal wiring – Parts table Z1F ......Noise filter (with surge absorber) L1,L2,L3....Live Refer to the wiring diagram sticker on the unit. The abbreviations N ......Neutral used are listed below: .....Field wiring A1P~A7P.....Printed circuit board BS1~BS5.....Push button switch (mode, set, return, test, reset) ....Terminal strip C1,C63,C66..Capacitor .......Connector... -
Page 16: 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 17: System Examples
■ When wiring the power supply and connecting the remote ■ Use a power wire pipe for the power wiring. controller wiring and transmission wiring, position the wires so that the control box lid can be securely fastened. ■ Outside the unit, make sure the weak low voltage Improper positioning of the control box lid may result in electric electric wiring (i.e. -
Page 18: Field Line Connection: Power Wiring
Outside unit Sequential start ■ Be sure to follow the limits below. If the unit-to-unit The outdoor unit PC board (A1P) is factory set at "Sequential start cables are beyond these limits, it may result in available". malfunction of transmission. Maximum wiring length: 1000 m Setting the cool/heat operation... -
Page 19: Wiring Example For Wiring Inside Unit
IPE INSULATION Precautions when laying power wiring ■ Do not connect wiring of different thicknesses to the After finishing the leak test and vacuum drying, the piping must be power terminal block. (Slack in the power wiring may insulated. Take into account the following points: cause abnormal heat.) ■... -
Page 20: Charging Refrigerant
11. C 11.2. Precautions when adding R410A HARGING REFRIGERANT Be sure to charge the specified amount of refrigerant in liquid state to The outdoor unit is factory charged, but depending on the length of the liquid pipe. the piping when installed, the outdoor unit may require additional Since this refrigerant is a mixed refrigerant, adding it in gas form may charging. -
Page 21: How To Check How Many Units Are Connected
Monitor mode Pay attention that mentioned torque range is applicable for opening Ø19.1 and Ø25.4 gas line stop H1P H2P H3P H4P H5P H6P H7P valves only. Selection status of how many c x x x w x w connected indoor units to display. -
Page 22: Checks After Adding Refrigerant
11.6. Checks after adding refrigerant ■ NOTE "11.3. Stop valve operation procedure" on ■ Are the stop valves for both liquid and gas open? page 15 for details on how to handle stop valves. ■ ■ Is the amount of refrigerant, that has been added, recorded? The refrigerant charging port is connected to the piping inside the unit. -
Page 23: Checks Before Initial Start-Up
12.2. Checks before initial start-up 12.3. Field setting If required, carry out field settings according to the following NOTE Remark that during the first running period of the unit, instructions. Refer to the service manual for more details. required power input may be higher than stated on the nameplate of the unit. - Page 24 Setting the push button switch (BS1~BS5) Setting mode 1 Function of the push button switch which is located on the outdoor (not in case of heating only unit) unit PCB (A1P): The H1P LED is off (COOL/HEAT selection setting). TEST: C/H SELECT Setting procedure MODE...
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Page 25: Test Operation
12.4. Test operation 3.2 Possible settings for function C The noise of level 3 < level 2 < level 1 ( Do not insert fingers, rods or other objects into the air H1P H2P H3P H4P H5P H6P H7P inlet or outlet. When the fan is rotating at high speed, it w x x x x x x will cause injury. -
Page 26: Service Mode Operation
Correcting after abnormal completion of the test operation Cut off the power supply to the indoor units and the outdoor unit with the circuit breaker. After the power supply to one side is cut The test operation is only completed if there is no malfunction code off, cut off the power supply to the other side within 10 minutes. -
Page 27: Disposal Requirements
Procedure for checking maximum concentration 15. D ISPOSAL REQUIREMENTS Check the maximum concentration level in accordance with steps 1 Dismantling of the unit, treatment of the refrigerant, of oil and of other to 4 below and take whatever action is necessary to comply. parts must be done in accordance with relevant local and national legislation. - Page 28 4P327528-1 2012.08...
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