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Related Manuals for Daikin BRR9B1V1
Summary of Contents for Daikin BRR9B1V1
- Page 1 Installation manual Communication box BRR9B1V1...
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Page 2: Table Of Contents
Troubleshooting for PCB for indoor unit communication ..................... 31 10.2 Troubleshooting for PCB for outdoor unit and capacity up unit communication............31 11 Technical data 11.1 Wiring diagram: Communication box..........................35 12 Glossary Installation manual BRR9B1V1 Communication box 4P617761-1 – 2020.04... -
Page 3: About The Documentation
The original documentation is written in English. All other languages are translations. 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 Business Portal (authentication required). -
Page 4: General Safety Precautions
Indicates a situation that could result in minor or moderate injury. NOTICE Indicates a situation that could result in equipment or property damage. INFORMATION Indicates useful tips or additional information. Symbols used on the unit: BRR9B1V1 Installation manual Communication box 4P617761-1 – 2020.04... -
Page 5: For The Installer
Improper installation or attachment of equipment or accessories could result in electrical shock, short-circuit, leaks, fire or other damage to the equipment. Only use accessories, optional equipment and spare parts made or approved by Daikin. WARNING Make sure installation, testing and applied materials comply with applicable legislation (on top of the instructions described in the Daikin documentation). -
Page 6: Installation Site
(example: thinner or gasoline), carbon fibre, ignitable dust. ▪ In places where corrosive gas (example: sulphurous acid gas) is produced. Corrosion of copper pipes or soldered parts may cause the refrigerant to leak. BRR9B1V1 Installation manual Communication box 4P617761-1 – 2020.04... -
Page 7: Electrical
The length of the conductors between the power supply stress relief and the terminal block itself must be as such that the current-carrying wires are tautened before the earth wire is in case the power supply is pulled loose from the stress relief. BRR9B1V1 Installation manual Communication box 4P617761-1 – 2020.04... - Page 8 If there exists the possibility of reversed phase after a momentary black out and the power goes on and off while the product is operating, attach a reversed phase protection circuit locally. Running the product in reversed phase can break the compressor and other parts. BRR9B1V1 Installation manual Communication box 4P617761-1 – 2020.04...
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Page 9: Specific Installer Safety Instructions
(A2P) is set to "A", slave addresses "A+1" and "A+2" CANNOT be set. Slave address "A" is used for the outdoor unit, "A+1" is used for the capacity up unit, and "A+2" may NOT be used. BRR9B1V1 Installation manual Communication box... -
Page 10: About The Box
In this chapter Communication box................................4.1.1 To remove the accessories from the communication box..................4.1 Communication box 4.1.1 To remove the accessories from the communication box ×2 ×1 Installation manual Cable tie (2×) BRR9B1V1 Installation manual Communication box 4P617761-1 – 2020.04... -
Page 11: About The Communication Box
Use the communication box only in combination with the following models (outdoor unit and capacity up unit). Do NOT connect it to any other model. Used terms Model name Communication box BRR9B1V1 Outdoor unit LRYEN10A7Y1 Capacity up unit LRNUN5A7Y1 The communication box contains 2 PCBs (A1P and A2P). The A1P PCB makes communication possible between the communication box and the indoor unit. -
Page 12: Unit Installation
Sound sensitive areas (e.g. near a bedroom), so that the operation noise will cause no trouble. ▪ In places with high humidity (max. RH=80%), for example a bathroom. ▪ In places where voltage fluctuates a lot. BRR9B1V1 Installation manual Communication box 4P617761-1 – 2020.04... -
Page 13: Opening And Closing The Unit
6.2.2 To close the communication box 4× 6.3 Installing the communication box 6.3.1 Precautions when installing the communication box INFORMATION Also read the precautions and requirements in the following chapters: ▪ General safety precautions ▪ Preparation BRR9B1V1 Installation manual Communication box 4P617761-1 – 2020.04... -
Page 14: To Install The Communication Box
▪ Make sure that the wiring intakes face downward. ▪ Make sure that dew or rainwater will not drop on the field wiring. ▪ Provide traps in front of the wiring intakes. BRR9B1V1 Installation manual Communication box 4P617761-1 – 2020.04... -
Page 15: Electrical Installation
To connect the electrical wiring on the communication box ....................To connect the transmission wiring ............................7.6.1 Between communication box and outdoor unit ....................7.6.2 Between communication box and monitoring system ..................To fix the wiring cables with cable ties ..........................BRR9B1V1 Installation manual Communication box 4P617761-1 – 2020.04... -
Page 16: General Overview Of The Field Wiring
Safety alarm (lamp) d2: Warning output signal k4: Ventilation (natural or mechanical) Control panel (field supply) for operation output signal Communication box (BRR9B1V1) Remote operation switch (field supply) Monitoring system (field supply) Remote low noise switch (field supply) OFF: normal mode... -
Page 17: Field Wiring: Overview
Place the round crimp-style terminal on the wire up to the covered part and fasten the terminal with the appropriate tool. Stranded conductor wire Round crimp-style terminal ▪ Use the following methods for installing wires: BRR9B1V1 Installation manual Communication box 4P617761-1 – 2020.04... -
Page 18: Specifications Of Standard Wiring Components
7.4 Specifications of standard wiring components 7‒5 Power supply and earth wire Component Specification Power supply wire Minimum cable section of 2 mm² (Ø1.6 mm) Power supply wire – maximum wiring length 250 m Earth wire 2 mm (Ø1.6 mm) BRR9B1V1 Installation manual Communication box 4P617761-1 – 2020.04... -
Page 19: To Connect The Electrical Wiring On The Communication Box
Power wire and earth wire (copper) Cable clamp Cable tie Wiring 5 Connect the earth wire to the earth terminal. 6 Connect the transmission wiring as described in "7.6 To connect the transmission wiring" [ 20]. BRR9B1V1 Installation manual Communication box 4P617761-1 – 2020.04... -
Page 20: To Connect The Transmission Wiring
1 Connect wires from A+ and B– of the terminal block of the communication box to the monitoring system. 2 Connect the wires to the X3M terminal block in the same way as "7.6.1 Between communication box and outdoor unit" [ 20]. BRR9B1V1 Installation manual Communication box 4P617761-1 – 2020.04... -
Page 21: To Fix The Wiring Cables With Cable Ties
Cable clamp Cable tie Wiring 3 Cut off the excess part of the cable ties. 4 Seal all gaps to prevent small animals from entering the wiring intake (sealing material is field supply). BRR9B1V1 Installation manual Communication box 4P617761-1 – 2020.04... -
Page 22: Configuration
1 communication box, see the specifications. ▪ The address of an outdoor unit and capacity up unit are the same. ▪ Setting an address outside the effective range disables proper communication. BRR9B1V1 Installation manual Communication box 4P617761-1 – 2020.04... -
Page 23: To Set The Addresses Of The Outdoor Unit And Capacity Up Unit
(You see number 6 in the right 7- BS1 BS2 BS3 segment, this means that you pressed 6 times on BS2). Press BS3 once. This displays the Airnet address. BS1 BS2 BS3 BRR9B1V1 Installation manual Communication box 4P617761-1 – 2020.04... -
Page 24: To Set The Addresses Of The Indoor Units
You can configure 3 different settings on the A1P PCB: ▪ the RS‑485 Modbus baud rate, ▪ the Modbus communication parity/stop bit, ▪ the Modbus slave address setting. RS‑485 Modbus baud rate setting Setting DS1 pin 2: OFF 9600 bps BRR9B1V1 Installation manual Communication box 4P617761-1 – 2020.04... - Page 25 Slave address "A" is used for the outdoor unit, "A+1" is used for the capacity up unit, and "A+2" may NOT be used. Modbus master device Communication box 1 Communication box 2 8‒1 Settings for slave address for communication box 1 Address set BRR9B1V1 Installation manual Communication box 4P617761-1 – 2020.04...
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Page 26: To Configure The Communication Box Pcb For The Outdoor Unit And Capacity Up Unit
Make sure to set the slave address before you turn the power ON. The setting is invalid when the setting was done after power ON. 1 2 3 4 1 2 3 4 Slave Remarks address OFF Default value BRR9B1V1 Installation manual Communication box 4P617761-1 – 2020.04... - Page 27 Press BS3 once. Indicates the last setting status. Press BS2 to None Factory setting select the — desired setting. Even Press BS3 once. The LED indication will change from flashing to ON. BRR9B1V1 Installation manual Communication box 4P617761-1 – 2020.04...
- Page 28 LED indication is the desired select the setting. 1 stop bit desired setting. 2 stop bits Press BS3 once. The LED indication will change from flashing to ON. Press BS3 once. — BRR9B1V1 Installation manual Communication box 4P617761-1 – 2020.04...
- Page 29 10 After the settings are set, reset the power supply of the communication box. INFORMATION The power supply must be reset before the settings of parity, baud rate, and stop bits become effective. BRR9B1V1 Installation manual Communication box 4P617761-1 – 2020.04...
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Page 30: Commissioning
The operation data cannot be checked on the monitoring system. ▪ Check all items in "10 Troubleshooting" [ 31] and correct any problem. ▪ " 10‒1 Operation procedure step 1" 32] describes how you can check some errors. BRR9B1V1 Installation manual Communication box 4P617761-1 – 2020.04... -
Page 31: Troubleshooting
Stop bit setting on the monitoring system against Set the stop bit setting correctly. See the stop bit setting on the communication box. "8.4.2 To configure the communication box PCB for the outdoor unit and capacity up unit" [ 26]. BRR9B1V1 Installation manual Communication box 4P617761-1 – 2020.04... - Page 32 H1P H2P H3P H4P H5P H6P H7P Initial indication H6P flashing: RS‑485 communication error H7P flashing: DIII communication error (if communication is not established with any of the indoor units). Press BS1 once. — Press BS2 twice. BRR9B1V1 Installation manual Communication box 4P617761-1 – 2020.04...
- Page 33 Press BS2 3 times. Press BS3 once Reserve (error check). Reserve Different A non-CO₂ refrigerator is refrigerator connected. Press BS1 once. In normal conditions, H2P turns OFF, and H6P and H7P turn ON. BRR9B1V1 Installation manual Communication box 4P617761-1 – 2020.04...
- Page 34 = flashing. The initial indication in the table shows the indication when an error is detected. If there are no communication errors, the H2P LED is OFF and the H6P and H7P LEDs are ON. BRR9B1V1 Installation manual Communication box...
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Page 35: Technical Data
Outdoor unit POWER SUPPLY Power supply SWITCH BOX Switch box Note 1 Communication settings can be changed using the push buttons (BS1~BS5). For information on how to do this, see the installation manual. BRR9B1V1 Installation manual Communication box 4P617761-1 – 2020.04... -
Page 36: Glossary
Optional equipment Equipment made or approved by Daikin that can be combined with the product according to the instructions in the accompanying documentation. Field supply Equipment NOT made by Daikin that can be combined with the product according to the instructions in the accompanying documentation. - Page 40 4P617761-1 0000000Q 4P617761-1 2020.04 Verantwortung für Energie und Umwelt...