TOSHIBA Carrier BMS-IFBN1281U-UL BN Interface Installation Guide

TOSHIBA Carrier BMS-IFBN1281U-UL BN Interface

Specifications

• Model Name: BMS-IFBN1281U-UL
• For commercial use The multilingual installation manual, license agreement, and license information are available here

Product Usage Instructions

Precautions for Safety

• The following instructions must be observed to operate and maintain the system.
• It is important to keep this Installation Manual for reference.

Expressions

• Text set off in this manner indicates that failure to adhere to the directions in the warning could result in serious bodily harm or loss of life if the product is handled improperly.

Caution

• Text set off in this manner indicates that failure to adhere to the directions in the caution could result in serious bodily injury or damage to property if the product is handled improperly.

Graphic Symbols

• Indicates prohibited items.
• The actual contents of the prohibition are indicated by a picture or text placed inside or next to the graphic symbol.

Compulsory

• Indicates compulsory (mandatory) items.
• The actual contents of the obligation are indicated by a picture or text placed inside or next to the graphic symbol.

Warning

• Attempting to carry out installation work on your own, and doing so incorrectly, may result in electric shock or fire.
• Inappropriate work may result in electric shock or fire.
• Failure to do so may result in electric shock.
• A power adapter other than that supplied with this unit may provide a different voltage and have different polarity (+) (-), which could lead to fire, explosion, or heat generation.
• Doing so may result in excessive heat or fire.

Introduction

The BN interface is used for controlling Building Management Systems and air conditioners through communications via a network for central control.

Included Items:

Component BN interface equipment, Power adapter, Pin terminal, Mounting bracket (DIN rail), Screws (M4 x 12), Installation Manual, License Agreement, License Information

Power Supply

• Rated Voltage: [Specify Voltage]
• Power Consumption: [Specify Power Consumption]
• Operating Temperature Range: [Specify Operating Temperature Range]

FAQ

Q: What should I do if I encounter difficulties during installation?

A: If you face challenges during installation, please refer to the Installation Manual provided. If the issue persists, contact customer support for assistance.

Precautions for safety

The following instructions must be observed

• Carefully read these Precautions for Safety” before installation, and perform installation work safely.
• These precautions contain important safety information.
• After installation work, carry out an operation trial to confirm that there are no problems, and explain to the customer how to operate and maintain the system. Ask the customer to keep this Installation Manual.

Expressions

• Warning   Text set off in this manner indicates that failure to adhere to the directions in the warning could result in serious bodily harm (*1) or loss of life if the product is handled improperly.
• Caution Text set off in this manner indicates that failure to adhere to the directions in the caution could result in serious bodily injury (2) or damage (3) to property if the product is handled improperly.

1. Serious bodily harm indicates loss of eyesight, injury, burns, electric shock, bone fracture, poisoning, and other injuries that leave aftereffects and require hospitalization or long-term treatment as an outpatient.
2. Bodily injury indicates injury, burns, electric shock, and other injuries that do not require hospitalization or long-term treatment as an outpatient.
3. Property damage indicates damage extending to buildings, household effects, domestic livestock, and pets.

Graphic symbols

• Prohibited indicates prohibited items.
  • The actual contents of the prohibition are indicated by a picture or text placed inside or next to the graphic symbol.
• Compulsory indicates compulsory (mandatory) items.
  • The actual contents of the obligation are indicated by a picture or text placed inside or next to the graphic symbol.

Warning

• Installation and reinstallation should be performed by your dealer or a qualified electrician
• Attempting to carry out installation work on your own, and doing so incorrectly, may result in electric shock or fire.
• Electrical work must be performed by a qualified electrician under this Installation Manual.
• The work must satisfy all local, national, and international regulations
• Inappropriate work may result in electric shock or fire.

Be sure to turn off the power before starting work

• Failure to do so may result in electric shock.

Use only the power adapter supplied with this unit

• A power adapter other than that supplied with this unit may provide a different voltage and have different polarity (+) (−), which could lead to fire, explosion, or generation of heat.

Do not modify the unit

• Doing so may result in excessive heat or fire.

Warning

• This is a class-A product. In a domestic environment, this product may cause radio interference in which case the user may be required to take adequate measures.

Introduction

Overview

• The BN interface refers to equipment used for controlling Building Management Systems (Procured locally) and air conditioners.
• TU2C-LINK Uh Line (hereinafter, referred to as Uh Line) compatible models” through communications via a network to enable central control.

Included Items

without DIN rails (walls, etc.)
Screws (M4 x 12)| 2| For securing the DIN rails
Installation Manual| 1| This manual
License Agreement| 1|
License Information| 1|

Specifications

condensation)
Storage temperature range| 14 to 140°F (−10°C to +60°C), 10% to 90% RH (no condensation)
Dimensions| Width 7.87 inch x Height 3.94 inch x Depth 2.32 inch (Width 200 mm x Height 100 mm x Depth 59 mm)
Mass| BN interface 1.7 lb (765 g)

Power adapter 1.0 lb (450 g)

Number of connected units| Indoor unit| Up to 128 units (TU2C-LINK) Up to 64 units (TCC-LINK)

External View (BN interface equipment)

Unit: inch (mm)

BN interface

Component Names

Unit: inch (mm)

Installation

REQUIREMENT

• Do not install the unit in any of the following places.
• Humid or wet place
• Dusty place
• Place exposed to direct sunlight
• The place where there is a TV set or radio within 3 ft
• Place exposed to rain (outdoors, under eaves, etc.)

BN Interface Installation and Orientation

• Install and orient the interface using the DIN rail to mount the unit or wall mount or surface mount it as shown below.
• Use the supplied mounting bracket to wall mount or surface mount the interface.

1. DIN rail mount
   • Install the interface on DIN rails mounted on a switchboard or elsewhere.
2. Wall mount
   • Use screws to attach the supplied DIN rails to a wall and install the interface on the DIN rail.

Installation Space and Maintenance Space

• A side space for connecting through cable inlets and upper space for maintenance must be reserved before installation.
• The other sides can be adjacent to surrounding objects.

Power and signal line connections

Cables

Use the following cable for signal line connections. (Procured locally)

Length

2

| For Ethernet®| Type| LAN cable (higher than Category 5, UTP)
The appropriate use of straight cable/cross cable should be done depending on the system used
Length| 328 ft (100 m) max.

Ethernet® is a registered trademark of Xerox Co., Ltd.

Cable Connections

• Connect the cables to the specified connectors.
• Length of stripped Uh Line communication cable
• Connect the supplied pin terminal to the Uh Line communication cable as necessary.
• The Uh Line communication cable must be earthed on the air conditioner.
• Do not connect the shield wire to the connector. It should be open and insulated.

CAUTION

• The Uh Line communication cable has no polarity.
• Secure the Uh Line communication cable and power cable to the switchboard etc. using the supplied cable tie to ensure that no excess load is placed on the power cable connection and Uh Line communication cable connection.

Example of System Wiring Connections

Termination resistance setting

• TU2C-LINK / TCC-LINK termination resistance setting …………
  • Leave just 1 line of the termination resistance in the interface board of the outdoor unit (center unit) ON, and turn all the others OFF. (Refer to the wiring diagram attached to the outdoor unit for the position of SW.)
  • For the central control wiring (Uh line), set the termination resistance that is farthest away on the wiring between this central controller and the other unit (VRF, light commercial, air-to-air heat exchanger, general purpose control interface, air-to-water heat pump) to ON.
• Refer to the manual of each model for the termination resistance setting method.

Shield grounding process

• Central control wiring shielded wire ……………………………………. When using the central remote controller with one unit, open the shielded wire of the central control wiring and perform insulation processing.
  • When using the central remote controller with multiple units, connect the shield of the central control wiring to the closed end and open the shield at the end of the central remote controller to perform insulation processing.
  • Perform the central control wiring shield grounding on the air conditioner side.

REQUIREMENT

• Be sure to install a circuit breaker or all-pole isolating switch (with a contact breaking distance of at least 0.12″ (3 mm)) on the primary side of the power supply.
• Fasten the screws to the terminal block with the torque of 0.37 lbf • ft (0.5 N•m).

Design of Control Wiring

Communication method and model name

• The TU2C-LINK model (U series) can be used together with previous models (other than U series).
• For details of the model and communication method, see the following table.

NOTE

• The equipment that can be displayed may vary depending on the country or region.
• For details contact our sales personnel.

When the connected outdoor unit is Super Multi u series (U series)

• Follow the wiring specifications in the table below even when there is a mix of U series and non-U series in the connected indoor units or remote controllers.

Wiring specifications

Central control wiring (Uh line)
Wire diameter| AWG16: Up to 3281 ft (1000 m)
AWG14: Up to 6560 ft (2000 m)
Wire type| 2-core, non-polar
Wire types that can be used| Shielded wire

REQUIREMENT

• When wiring the control wiring between indoor and outdoor units (UV line)/control wiring between outdoor units (UC line) and the central control wiring (UH line), use the same wire type and diameter for each line.
• Using a mixture of different wire types and diameters may cause a communication error.

System diagram

• The wiring specifications in the system diagram above are the same even when the indoor unit or remote controller is other than the U series.
• When the connected outdoor units are other than Super Multi U series (U series) Wiring specifications

Control wiring between indoor and outdoor units and central control wiring
Wire diameter| AWG16: Up to 3281 ft (1000 m)
AWG14: Up to 6560 ft (2000 m)
Wire type| 2-core, non-polar
Wire types that can be used| Shielded wire

REQUIREMENT

• When wiring the control wiring between indoor and outdoor units/central control wiring and the control wiring between outdoor units, use the same wire type and diameter for each line.
• Using a mixture of different wire types and diameters may cause a communication error.

System diagram

• When connecting to a previous model light commercial, air-to-air heat exchanger, air-to-water heat pump, or general-purpose equipment control interface
• Follow the wiring specifications in the table below even when there is a mix of U series and non-U series in the connected indoor units or remote controllers.

Wiring specifications

Central control wiring (Uh line)
Wire diameter| AWG16: Up to 3281 ft (1000 m)
AWG14: Up to 6560 ft (2000 m)
Wire type| 2-core, non-polar
Wire types that can be used| Shielded wire

REQUIREMENT

• When wiring the control wiring between indoor and outdoor units (UV line)/control wiring between outdoor units (UC line) and the central control wiring (Uh line), use the same wire type and diameter for each line.
• Using a mixture of different wire types and diameters may cause a communication error.

System diagram

Settings

Switch setting

• SW100 Uh Line termination resistance setting switch bit1:use, bit2:not use Refer to “Termination resistance setting.
• Shutdown button Shutdown function/air conditioner search mode function button. Use this button to stop the BACnet process and network process of the BN interface or to start up in the air conditioner search mode.
• Note that button operation changes depending on how long it is depressed.

the BN interface.
4 seconds or more| Start up in the air conditioner search mode.
Use the air conditioner search mode to set up equipment data in the indoor unit.

LED

Factory default settings

Subnet mask    255.255.255.0

2| UDP port| 47808 (0xBAC0)
3| Device object instance number| 100
4| Uh Line termination resistance select switch| OFF

Test run

• To perform a test run of the BN interface, BACnet communication settings and the equipment data of the connected indoor units are required.
• Items to be set during the trial run

unit circuit board.
Indoor unit| Uh Line address| Line address| Use the address setting function of the wired remote controller.

(Except for a simple wired remote controller)

Unit address
Central control address
Group address
BN interface| IP address| IP address| Use Setting File Creation Software 2. (See Section 5-1.)
Network mask
BACnet communication device identification number| BACnet device object instance number
When used together with a central control device not compatible with Uh Line| The setting of old BN interface
Setting for combined use with the old controller
When used together with a central device compatible with Uh Line| Change the “Central Controller ID” from ID1 to ID20
When replacing with a BN interface that does not support Uh Line| The setting of the old BN interface
Indoor unit information (DN code setting values)| Line address| When setup work (see Section 5-2) is performed, the BN interface reads out the set values from the indoor unit and records them on the SD card of the BN interface.

Perform setup work after changing the device information of the indoor unit.

Unit address
Central control address
Group address
Operation mode setting range
Temperature setting range
Fan speed setting range
Flap type
Ventilation amount setting range
Ventilation mode setting range
Availability of ventilation operation
Availability of save function

BACnet communication settings

• Set the IP address of the BN interface and the device object instance number of the BACnet communications.
• These settings can be set from Setting File Creation Software 2. For details, contact your dealer.
• The Central Control address must be set in the indoor unit you want to control.
• For information on how to set the address, refer to the installation manual of each indoor unit.
• Turn on all indoor and outdoor units. Set up as follows, waiting 10 minutes after turning on all the units.

Setup work

Step 1. Start the BN interface.

• Turn on the BN interface.
• The status of the LED L1 changes to LEDstatus-1, LEDstatus-2, and then to LEDstatus-4. It takes about 10 minutes for the LED L1 status to change to status.

Step 2. Startup in the air conditioner search mode.

• Hold down the Shutdown button for 4 seconds or more.
• The status of the LED L1 changes to LEDstatus-7 and then to LEDstatus-8.
• When reading equipment information from the indoor units is completed, the BN interface automatically prepares for BACnet communication.
• The status of the LED L1 changes to LEDstatus-1, LEDstatus-2, and then to LEDstatus-4. It takes about 10 minutes for the LED L1 status to change to status.
• If an error occurs, then the status of the LED L1 will be LEDstatus-3.
• Refer to Section 5-3 to check for the cause of error generation.
• When the BN interface is operating normally
• The status of the LED L1 is LEDstatus-4.

LED L1 blinking

Cause of problem occurring during setup

The indoor and outdoor units are being initialized and it is not possible to communicate with them.

LINK1(Uh) does not blink at all

| Make sure that indoor and outdoor units are turned on.

Make sure they have been on for at least 10 minutes.

The Uh Line cables have been incorrectly connected.| Connect the cables correctly.
The central control address has not been set in the indoor units.| Make sure that the central control address has been set in the indoor units.
The central control address set in the indoor units is not unique.| The same central control address has been set in many indoor units.| Make sure that the central control address has been correctly set in the indoor units.

Turning off the BN interface

• Press the shutdown button, then wait 5 minutes before turning it off.

When turning off the BN interface

• Press the Shutdown button 2 times.
• The status of the LED L1 changes to LEDstatus-5 and then to LEDstatus-6.
• Disconnect the power adapter from the BN interface.

CAUTION

• As the air conditioner search mode will be engaged if the shutdown button is pressed for 4 seconds or longer, do not hold down the button.
• https://www.toshiba-carrier.co.jp/global/manual/bms-ifbn1281u.htm .

Documents / Resources

| TOSHIBA Carrier BMS-IFBN1281U-UL BN Interface [pdf] Installation Guide
BMS-IFBN1281U-UL, DEC3029101-1, BMS-IFBN1281U-UL BN Interface, BN Interface, Interface
---|---

References

• Toshiba Carrier Global | Air conditioner | BMS-IFBN1281-E,BMS-IFBN1281U-TR,BMS-IFBN1281U-UL

Read User Manual Online (PDF format)

Read User Manual Online (PDF format)  >>

Download This Manual (PDF format)

Download this manual  >>