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General safety precautions

Installation manual

BRR9B1V1

Communication box

4P617761-1 – 2020.04

2 General safety precautions

2.1 About the documentation

▪

The original documentation is written in English. All other languages are
translations.

▪

The precautions described in this document cover very important topics, follow
them carefully.

▪

The installation of the system, and all activities described in the installation
manual and in the installer reference guide MUST be performed by an authorised
installer.

2.1.1 Meaning of warnings and symbols

DANGER

Indicates a situation that results in death or serious injury.

DANGER: RISK OF ELECTROCUTION

Indicates a situation that could result in electrocution.

DANGER: RISK OF BURNING

Indicates a situation that could result in burning because of extreme hot or cold
temperatures.

DANGER: RISK OF EXPLOSION

Indicates a situation that could result in explosion.

WARNING

Indicates a situation that could result in death or serious injury.

WARNING: FLAMMABLE MATERIAL

CAUTION

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:

Содержание BRR9B1V1

Страница 1: ...Installation manual Communication box BRR9B1V1 ...

Страница 2: ... communication box 14 7 Electrical installation 15 7 1 General overview of the field wiring 16 7 2 Field wiring Overview 17 7 3 Guidelines when connecting the electrical wiring 17 7 4 Specifications of standard wiring components 18 7 5 To connect the electrical wiring on the communication box 19 7 6 To connect the transmission wiring 20 7 6 1 Between communication box and outdoor unit 20 7 6 2 Bet...

Страница 3: ...able standard Documentation set This document is part of a documentation set The complete set consists of Installation manual Installation instructions configuration Format Paper supplied in the kit digital files on http www daikineurope com support and manuals product information Latest revisions of the supplied documentation may be available on the regional Daikin website or via your dealer The ...

Страница 4: ... of warnings and symbols DANGER Indicates a situation that results in death or serious injury DANGER RISK OF ELECTROCUTION Indicates a situation that could result in electrocution DANGER RISK OF BURNING Indicates a situation that could result in burning because of extreme hot or cold temperatures DANGER RISK OF EXPLOSION Indicates a situation that could result in explosion WARNING Indicates a situ...

Страница 5: ...ealer DANGER RISK OF BURNING Do NOT touch the refrigerant piping water piping or internal parts during and immediately after operation It could be too hot or too cold Give it time to return to normal temperature If you must touch it wear protective gloves Do NOT touch any accidental leaking refrigerant WARNING Improper installation or attachment of equipment or accessories could result in electric...

Страница 6: ...uctions for shutting down the system in case of an emergency Name and address of fire department police and hospital Name address and day and night telephone numbers for obtaining service In Europe EN378 provides the necessary guidance for this logbook 2 2 2 Installation site Provide sufficient space around the unit for servicing and air circulation Make sure the installation site withstands the w...

Страница 7: ...upplied with the product NEVER squeeze bundled cables and make sure they do NOT come in contact with the piping and sharp edges Make sure no external pressure is applied to the terminal connections Make sure to install earth wiring Do NOT earth the unit to a utility pipe surge absorber or telephone earth Incomplete earth may cause electrical shock Make sure to use a dedicated power circuit NEVER u...

Страница 8: ...al screws A screwdriver with a small head will damage the head and make proper tightening impossible Over tightening the terminal screws may break them WARNING After finishing the electrical work confirm that each electrical component and terminal inside the electrical components box is connected securely Make sure all covers are closed before starting up the unit NOTICE Only applicable if the pow...

Страница 9: ...he front plate of an outdoor unit during operation be careful of a rotating fan The fan continues rotating for a while even after the operation is stopped Before turning ON the power supply make sure that the operation switch of the outdoor unit is turned OFF You can check this via the inspection hole of the electrical component box middle of the outdoor unit After turning ON the power supply oper...

Страница 10: ... box 4P617761 1 2020 04 4 About the box In this chapter 4 1 Communication box 10 4 1 1 To remove the accessories from the communication box 10 4 1 Communication box 4 1 1 To remove the accessories from the communication box 1 2 a Installation manual b Cable tie 2 ...

Страница 11: ... and A2P The A1P PCB makes communication possible between the communication box and the indoor unit The A2P PCB makes communication possible between the communication box and the outdoor unit and capacity up unit Communication settings slave address baud rate parity and stop bits MUST be made for A1P and A2P respectively In this chapter 5 1 Identification 11 5 1 1 Identification label Communicatio...

Страница 12: ... 13 6 3 2 To install the communication box 14 6 1 Preparing the installation site 6 1 1 Installation site requirements of the communication box INFORMATION Also read the precautions and requirements in the General safety precautions chapter Mind the following spacing installation guidelines 100 mm 50 mm 300 mm 50 mm 50 mm The communication box is designed for indoor installation only and for ambie...

Страница 13: ...soline carbon fibre ignitable dust WARNING Provide adequate measures to prevent that the unit can be used as a shelter by small animals Small animals that make contact with electrical parts can cause malfunctions smoke or fire 6 2 Opening and closing the unit 6 2 1 To open the communication box 4 6 2 2 To close the communication box 4 6 3 Installing the communication box 6 3 1 Precautions when ins...

Страница 14: ...a M5 self tapping screw 4 fixing points b Wiring intake 2 Secure the communication box using 4 screws field supply INFORMATION Install the communication box on a sufficiently strong wall using fixing screws field supply suitable for the wall INFORMATION 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 wi...

Страница 15: ... wiring Overview 17 7 3 Guidelines when connecting the electrical wiring 17 7 4 Specifications of standard wiring components 18 7 5 To connect the electrical wiring on the communication box 19 7 6 To connect the transmission wiring 20 7 6 1 Between communication box and outdoor unit 20 7 6 2 Between communication box and monitoring system 20 7 7 To fix the wiring cables with cable ties 21 ...

Страница 16: ...2 X1M A1P X5M X4M X1M PE X1M X3M PE X1M A1P X2M X1M X3M PE k1 k l m k2 k4 k3 j 3N 50 Hz 380 415 V AC c1 c2 3N 50 Hz 380 415 V AC c1 c2 c1 c2 1N 50 Hz 220 240 V AC c1 c2 a Capacity up unit LRNUN5A7Y1 i Indoor unit air conditioning b Outdoor unit LRYEN10A7Y1 j User interface for indoor units air conditioning c1 Overcurrent fuse field supply k Safety system field supply Example c2 Earth leakage circu...

Страница 17: ...its a Vinyl cords with 0 75 to 1 25 mm sheath or cables 2 core wires Maximum wiring length 1000 m Total wiring length 2000 m a If the total transmission wiring exceeds these limits communication errors might occur 7 2 RS 485 weak current Transmission wiring between monitoring system and communication box Transmission wiring specification and limits a Vinyl cords with 0 75 to 1 25 mm sheath or cabl...

Страница 18: ...d 7 3 Tightening torque for power supply Item Tightening torque N m Terminal block X1M M4 1 18 1 44 Earth terminal M5 3 02 4 08 7 4 Tightening torque for transmission wiring Item Tightening torque N m Communication box terminal block X3M M3 5 0 79 0 97 Outdoor unit terminal block X1M A1P M3 5 0 80 0 96 7 4 Specifications of standard wiring components 7 5 Power supply and earth wire Component Speci...

Страница 19: ...1 General overview of the field wiring 416 1 Insert the wiring in the intake hole from the bottom of the communication box a a Intake hole 2 Remove the sheath of the transmission cables 3 Twist the transmission cables 4 Connect the power supply to the terminal block X1M of the communication box m k j l j 50 mm h g i A1P A2P d e f n o p n o p 7 2 mm a X1M c b a Sheath b Twist together before connec...

Страница 20: ... terminal block of the outdoor unit 2 Connect F1 and F2 TO OUT D UNIT of the X1M A1P terminal block of the outdoor unit to F1 and F2 respectively of the terminal block of the capacity up unit 7 2 mm a X3M c b 7 1 Cut twist and connect the wire to the terminal block a Sheath b Twist together before connecting c Connect to X3M 7 6 2 Between communication box and monitoring system NOTICE Mind the pol...

Страница 21: ...cation between the units Do NOT fix the transmission wiring together with the power wiring or earth wire Otherwise communication errors might occur 1 Fix the transmission wires using a cable tie delivered as accessory a b c a Cable clamp b Cable tie c Wiring 2 Fix the power and earth wires using a cable tie delivered as accessory a b c a Cable clamp b Cable tie c Wiring 3 Cut off the excess part o...

Страница 22: ...The fan continues rotating for a while even after the operation is stopped Before turning ON the power supply make sure that the operation switch of the outdoor unit is turned OFF You can check this via the inspection hole of the electrical component box middle of the outdoor unit After turning ON the power supply operate the push buttons and check the LED indication via the inspection hole of the...

Страница 23: ...peration switch e PCB A1P f Push buttons BS1 BS3 g 7 segments display h DIP switch i HAP LED 4 Turn the power supply ON and leave the operation switch OFF 5 Open the right inspection hole cover 6 Set the addresses as described in the table below Procedure 7 segments display Remarks Initial indication Show the initial indication in a normal condition Press and hold BS1 for 5 seconds BS1 BS2 BS3 MOD...

Страница 24: ... segment display changes from blinking to lit Press BS3 once BS1 BS2 BS3 MODE MODE MODE MODE Press BS1 once BS1 BS2 BS3 MODE MODE MODE MODE Returns to the initial indication 8 3 To set the addresses of the indoor units Refer to the installation manual of the controller 8 4 Configuring the communication box WARNING Do NOT turn ON the power when the communication box cover is open An electrical shoc...

Страница 25: ...ss 1 Address 2 Address 15 1 2 3 4 1 2 3 4 DS1 DS2 ON OFF DS1 Switch 2 baud rate DS1 Switch 3 4 parity stop bits DS2 Switch 1 4 Modbus slave address CAUTION Precautions when setting the slave address Do NOT set the same slave address for devices connected to the Modbus master device Apart from the slave address set in the communication box there are 2 other slave addresses that cannot be set When t...

Страница 26: ... up unit Overview of buttons switches and other parts A1P BS1 H1P H2P H3P H4P H5P H6P H7P SS2 SS3 BS2 BS3 BS4 BS5 1 2 3 4 DS1 ON OFF DS2 1 2 3 4 120Ω100Ω SS1 X2M a b c d a LEDs b Push buttons BS1 BS5 c DIP switches DS1 DS2 d Switches to set the terminating resistance SS1 SS3 1 Set 2 the slave address using the DIP switches DS1 DS2 on the A1P PCB of the communication box INFORMATION Make sure to se...

Страница 27: ...n resistance is 100 Ω 4 Check all transmission wiring DIII weak current 5 Check all transmission wiring RS 485 weak current from the monitoring system to the communication box 6 Close the communication box cover when you turn ON the power supply 7 Set the parity using the push buttons BS1 BS5 on the A2P PCB of the communication box The table below shows the setting method Set the parity as specifi...

Страница 28: ... Press BS2 to select the desired setting 9200 bps Factory setting 19200 bps 4800 bps Press BS3 once The LED indication will change from flashing to ON Press BS3 once Press BS1 once Returns to the initial indication a OFF ON and flashing 9 Set the stop bit settings using the push buttons BS1 BS5 on the A1P PCB of the communication box The following table shows the setting method Set the stop bit se...

Страница 29: ...ation a Remarks H1P H2P H3P H4P H5P H6P H7P Press BS1 once Returns to the initial indication a OFF ON and flashing 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 ...

Страница 30: ...ake sure that the power supply to each unit is turned ON Check that the address set on each unit corresponds with the address displayed on the monitoring system Make sure that the power supply to each unit is turned ON Result If there are no problems with the operation data and the remote settings the H2P LED will be OFF and the H6P and H7P LEDs will be ON The test run is then complete for A2P INF...

Страница 31: ...of the indoor units 424 10 2 Troubleshooting for PCB for outdoor unit and capacity up unit communication What to check How to check Solution Address setting of each unit Data of each address can be checked on the monitoring system Set the addresses of the outdoor unit and capacity up unit again See 8 Configuration 422 Slave address setting DIP switches DS1 DS2 of the communication box PCB A2P Set ...

Страница 32: ... weak current transmission wiring Make sure that the field settings are made correctly check whether the data can be checked on the monitoring system Check RS 485 weak current transmission wiring and correct it e g disconnection incorrect polarity Refrigerator connection other than an outdoor unit and capacity up unit H2P is ON on the communication box Follow the instructions in 10 2 Operation pro...

Страница 33: ...nd wiring Press BS1 once In normal conditions H2P is OFF and H6P and H7P are ON a OFF ON and flashing b 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 c When multiple errors are detected multiple LEDs H2P to H7P are flashing d For both DIII side and RS 485 side if a communica...

Страница 34: ...4 BRR9B1V1 Communication box 4P617761 1 2020 04 a OFF ON and flashing b 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 ...

Страница 35: ...SS3 Switches to set the terminating resistance see Note 1 T1R Transformer 220 240 V 22 V X3A X11A Connectors X1M X3M Terminal strips Field wiring Terminal strip Connector Protective earth BLK Black ORG Orange WHT White YLW Yellow HIGH VOLTAGE High voltage LOW VOLTAGE Low voltage MONITORING SYSTEM Monitoring system OUTDOOR UNIT Outdoor unit POWER SUPPLY Power supply SWITCH BOX Switch box Note 1 Com...

Страница 36: ...n explaining how to install configure and maintain it Operation manual Instruction manual specified for a certain product or application explaining how to operate it Maintenance instructions Instruction manual specified for a certain product or application which explains if relevant how to install configure operate and or maintain the product or application Accessories Labels manuals information s...

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