User manual TOSHIBA TCB-IFLN640TLE INSTALLATION MANUAL

[. . . ] Ask the customer to keep this Installation Manual. WARNING · Ask an authorized dealer or qualified installation professional to install or reinstall the LN interface. Improper installation may result in electric shock or fire. · Perform installation work properly according to this Installation Manual. [. . . ] Connect the shield wire of the TCC-LINK communication cable to the earth on the air conditioner side. Do not connect the shield wire to the terminal block. It should be open and insulated. Connect power cables, signal wires, and earth wires to the specified terminals on the terminal block. LED6 LED5 LED4 LED3 LED2 LED1 U2 U1 TCC- LINK Air conditioner LED7 SW1 SW7 ON LON LONWORKS system Connect the shield wire of the LONWORKS communication cable to the earth on the upper LONWORKS system side. Do not connect the shield wire to the terminal block. Connect the earth wire to the earth terminal of the chassis. Power supply 220 - 240 VAC L ON 1 2 3 4 SW2 1 2 SW5 FG SW4 ON 1 2 3 4 SW3 SW6 LED8 SW8 Length of stripped power cable 35 10 N Length of stripped signal wire 35 10 55 10 REQUIREMENT · Install a breaker at the primary side of the power supply. · The TCC-LINK communication cable and the LONWORKS communication cable have no polarity. 4 2 Connection of Power Cables/Signal Wires/ Earth Wires (continued) The following describes a connection example on the system. Terminator resistor setting · TCC-LINK terminator resistor The TCC-LINK terminator resistor is set on the air conditioner side. (See "3 Setting" for setting. ) · LON terminator resistor The LON terminator resistor is set on the upper LONWORKS system side. Shield grounding of communication cables · TCC-LINK communication cable The shield earth of the TCC-LINK communication cable should be single-point earth on the air conditioner side. The shield wire should be open and insulated. · LONWORKS communication cable The shield earth of the LONWORKS communication cable should be single-point earth on the upper LONWORKS system side. The shield wire should be open and insulated. Building control system (by other company) (Other company's system) The shield wire of TCC-LINK communication cable should be open and insulated. It is not connected to the terminal block. The TCC-LINK terminator resistor is set on the air conditioner side. Set bit 1 and bit 2 of SW5 to OFF. Set (maximum -1) of the indoor unit central control address with SW1 and SW2 in hexadecimal number. TCC-LINK LONWORKS U2 U1 TCC-LINK main bus SW1 U4 U3 U4 U3 U4 U3 LON ON Outdoor unit 2 Outdoor unit U2 U1 The shield wire of the LONWORKS communication cable should be open and insulated. It is not connected to the terminal block. The LON terminator resistor is set on the upper LONWORKS system side. Power supply 220 - 240 VAC 1 SW2 U2 U1 FG SW5 U2 U1 U2 U1 U2 U1 Central remote controller Indoor unit Remote controller Indoor unit Indoor unit Remote controller N L LN interface TCB-IFLN640TLE 5 3 Setting The following settings are necessary to use the LN interface. TCC-LINK · SW1/SW2 Set the number of indoor units to be connected. Set the maximum of the indoor unit central control address according to the table below. [. . . ] Set the central control address of the target indoor unit with SW1 and SW2 according to the table above. Example: When checking communication status of indoor unit of central control address 25: Set bit 2 of SW3 to "ON", SW1 to "1", and SW2 to "8". Indication of TCC-LINK communication status LED4 and LED 5 show communication status of the indoor unit selected by SW1 and SW2. TCC-LINK communication status Normal Error No indoor unit Invalid indoor unit LED5 ON ON OFF OFF LED4 OFF ON ON OFF Remarks Communication with the indoor unit was established previously, but is disabled currently. Communication with the indoor unit has never been established. [. . . ]