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Summary of Contents for Daikin RXYSQ6T8Y1B9
- Page 1 Installation and operation manual VRV IV-S system air conditioner Installation and operation manual English VRV IV-S system air conditioner RXYSQ6T8Y1B9...
- Page 2 (mm) — ≥100 A, B, C — ≥100 ≥100 ≥100 B, E — ≥100 ≥1000 ≤500 A, B, C, E — ≥150 ≥150 ≥150 ≥1000 ≤500 — ≥500 D, E — ≥1000 ≥1000 ≤500 B, D — ≥100 ≥500 B, D, E <H ≤½H ≥250...
- Page 3 3P397286-4E...
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Page 4: Table Of Contents
To finish the transmission wiring......... 15 13.1 About the refrigerant..............29 13.2 After-sales service and warranty ..........29 13.2.1 Warranty period ............29 13.2.2 Recommended maintenance and inspection....29 Installation and operation manual RXYSQ6T8Y1B9 VRV IV-S system air conditioner 4P482276-1 – 2017.04... -
Page 5: About The Documentation
Technical engineering 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). For the installer 2 Remove the accessories. -
Page 6: About The Units And Options
VRV direct expansion (DX) indoor unit lower than –5°C for 5 days or longer, with relative humidity User interface (dedicated depending on indoor unit type) levels exceeding 95%, we recommend to apply a Daikin Preparation range specifically designed for such application and/or to contact your dealer for further advice. -
Page 7: To Select The Piping Size
If the total transmission wiring exceeds these limits, it may Example: Downstream capacity for B-1 = capacity index of unit 3-1 result in communication error. + capacity index of unit 3-2 RXYSQ6T8Y1B9 Installation and operation manual VRV IV-S system air conditioner 4P482276-1 – 2017.04... -
Page 8: Installation
Make sure not to cover the drain holes. Drain holes (dimensions in mm) INFORMATION The recommended height of the upper protruding part of the bolts is 20 mm. Drain holes Installation and operation manual RXYSQ6T8Y1B9 VRV IV-S system air conditioner 4P482276-1 – 2017.04... -
Page 9: To Prevent The Outdoor Unit From Falling Over
2 Insert a hexagon wrench into the stop valve and turn the stop valve clockwise. 3 When the stop valve cannot be turned any further, stop turning. Result: The valve is now closed. Closing direction: RXYSQ6T8Y1B9 Installation and operation manual VRV IV-S system air conditioner 4P482276-1 – 2017.04... -
Page 10: Checking The Refrigerant Piping
Wait until the outdoor unit has finished the initialisation to Gas piping accessory 2 e, e1 Gas piping accessory 3 (cut it to the required length) apply setting [2‑21]. Field supply Installation and operation manual RXYSQ6T8Y1B9 VRV IV-S system air conditioner 4P482276-1 – 2017.04... -
Page 11: Checking Refrigerant Piping: General Guidelines
Valve State of valve Valve A Open Valve B Open Valve C Open Liquid line stop valve Close Gas line stop valve Close RXYSQ6T8Y1B9 Installation and operation manual VRV IV-S system air conditioner 4P482276-1 – 2017.04... -
Page 12: To Insulate The Refrigerant Piping
If operation is performed within 12 minutes after the indoor and outdoor units are turned on, the compressor will not operate before the communication is established in a correct way between outdoor unit(s) and indoor units. Installation and operation manual RXYSQ6T8Y1B9 VRV IV-S system air conditioner 4P482276-1 – 2017.04... -
Page 13: To Charge Refrigerant
NOTICE After adding the refrigerant, do not forget to close the lid of the refrigerant charging port. The tightening torque for the lid is 11.5 to 13.9 N•m. RXYSQ6T8Y1B9 Installation and operation manual VRV IV-S system air conditioner 4P482276-1 – 2017.04... -
Page 14: Error Codes When Charging Refrigerant
Use the conductor of sheathed wire (2 wire) (no polarity) Power supply wiring (including earth) (sheathed cable) Terminal board (field supply) F1/F2 Transmission wiring (sheathed cable) Outdoor unit Indoor unit User interface Installation and operation manual RXYSQ6T8Y1B9 VRV IV-S system air conditioner 4P482276-1 – 2017.04... -
Page 15: Finishing The Outdoor Unit Installation
Cable tie Attachment plate Power supply Transmission wiring Liquid pipe Gas pipe Insulator Transmission wiring (F1/F2) Finishing tape RXYSQ6T8Y1B9 Installation and operation manual VRV IV-S system air conditioner 4P482276-1 – 2017.04... -
Page 16: Configuration
(H1P OFF) Mode 1 (H1P flashing) Mode 2 (H1P ON) Setting 8 (in mode 2) (H2P~H7P = binary 8) Value 4 (in mode 2) (H2P~H7P = binary 4) Installation and operation manual RXYSQ6T8Y1B9 VRV IV-S system air conditioner 4P482276-1 – 2017.04... -
Page 17: To Access Mode 1 Or 2
BS1 [5 s] Press BS1 for at least 5 s. INFORMATION If you get confused in the middle of the process, press BS1 to return to the default situation. RXYSQ6T8Y1B9 Installation and operation manual VRV IV-S system air conditioner 4P482276-1 – 2017.04... -
Page 18: To Use Mode 2
▪ The second method is to enable low noise operation based on an external input. For this operation an optional accessory is required. Installation and operation manual RXYSQ6T8Y1B9 VRV IV-S system air conditioner 4P482276-1 – 2017.04... -
Page 19: Mode 2: Field Settings
Depending on the chosen level, the noise level will be lowered. Level 3 The start and stop moments for this function are defined under setting [2‑26] and [2‑27]. RXYSQ6T8Y1B9 Installation and operation manual VRV IV-S system air conditioner 4P482276-1 – 2017.04... - Page 20 This setting is used in conjunction with setting [2‑8]. Quick Powerful [2‑42] Mild Heating comfort setting. (default) This setting is used in conjunction with setting [2‑9]. Quick Powerful Installation and operation manual RXYSQ6T8Y1B9 VRV IV-S system air conditioner 4P482276-1 – 2017.04...
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Page 21: To Connect The Pc Configurator To The Outdoor Unit
Be sure that the field wiring has been carried out according to the instructions described in the chapter "5.7 Connecting the electrical wiring" on page according to the wiring diagrams and according to the applicable legislation. RXYSQ6T8Y1B9 Installation and operation manual VRV IV-S system air conditioner 4P482276-1 – 2017.04... -
Page 22: Checklist During Commissioning
During the test operation, it is not possible to stop the unit operation from a user interface. To abort the operation, press BS3. The unit will stop after ±30 seconds. Installation and operation manual RXYSQ6T8Y1B9 VRV IV-S system air conditioner 4P482276-1 – 2017.04... -
Page 23: Error Codes: Overview
▪ The piping and wiring of the specified indoor unit are not ▪ Confirm that the piping and wiring of the specified indoor connected correctly to the outdoor unit. unit are connected correctly to the outdoor unit. RXYSQ6T8Y1B9 Installation and operation manual VRV IV-S system air conditioner 4P482276-1 – 2017.04... -
Page 24: Technical Data
9 Technical data 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 When mounting units side by side, the piping route must be to the front, to the back or downwards. -
Page 25: Wiring Diagram: Outdoor Unit
X37A Connector (power supply for option PCB) Electronic expansion valve (main) Electronic expansion valve (subcool heat exchanger) Solenoid valve (4‑way valve) Noise filter (ferrite core) Noise filter RXYSQ6T8Y1B9 Installation and operation manual VRV IV-S system air conditioner 4P482276-1 – 2017.04... -
Page 26: For The User
The display of the user interface shows . It may take some time before the fan starts. This is not a malfunction. Installation and operation manual RXYSQ6T8Y1B9 VRV IV-S system air conditioner 4P482276-1 – 2017.04... -
Page 27: To Operate The System (Without Cool/Heat Changeover Remote Control Switch)
For programming temperature, fan speed and air flow direction refer NOTICE to the operation manual of the user interface. Do not turn off power immediately after the unit stops, but wait for at least 5 minutes. RXYSQ6T8Y1B9 Installation and operation manual VRV IV-S system air conditioner 4P482276-1 – 2017.04... -
Page 28: Adjusting The Air Flow Direction
Wipe it with another dry cloth. VRV IV-S Heat pump outdoor unit Refrigerant piping VRV direct expansion (DX) indoor unit User interface (dedicated depending on indoor unit type) Installation and operation manual RXYSQ6T8Y1B9 VRV IV-S system air conditioner 4P482276-1 – 2017.04... -
Page 29: About The Refrigerant
(with manufacturing number if possible) and repaired or corrected before resuming operation. the installation date (possibly listed on the warranty card). RXYSQ6T8Y1B9 Installation and operation manual VRV IV-S system air conditioner 4P482276-1 – 2017.04... - Page 30 Please wait 12 minutes maximally until this Inverter PCB faulty process is finished. Compressor over current detected Installation and operation manual RXYSQ6T8Y1B9 VRV IV-S system air conditioner 4P482276-1 – 2017.04...
- Page 31 Units must be treated at a specialized treatment facility for reuse, recycling and recovery. RXYSQ6T8Y1B9 Installation and operation manual VRV IV-S system air conditioner 4P482276-1 – 2017.04...
- Page 32 4P482276-1 0000000R 4P482276-1 2017.04...
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