Toshiba Carrier TCB-IFDMR01UP-UL - Page 13

 Settings for each type (TA, TF, DDC)
Set with the SW501 switch on the control P.C. board MCC-1777.
TA type: Set all SW501 to OFF.
Turn off Bit3 of SW501.
TF type: Turn on only Bit2 of SW501.
Turn off Bit3 of SW501.
DDC type (0 - 10 V) Stepped Control: Turn on only Bit3 of SW501. (Refer to AI3 /
AI3 for details)
DDC type (0 - 10 V) Linear Control: Turn on Bit3 and Bit4 of SW501. (Refer to AI3 / AI3 for details)
LED position and details
SW501
LED
12
4
3
SW501
ON
OFF
12
4
3
SW501
ON
OFF
12
4
3
SW501
ON
OFF
12
4
3
SW501
ON
OFF
D505
D504
D503
D501
P.C. board LED Meaning of lighting
D501 MCU power supply Lights when the power is turned on
D503 Main bus communication
Flashes every 5 seconds.
With central control: lighting and flashing every 5 seconds.
D504 Sub bus communication
Flashes every 5 seconds.
Group: lighting and flashing every 5 seconds.
D505 Mod bus communication When connected to Modbus, it lights up every 5 seconds.
D403 Sub bus power supply Sub bus lights while power is being supplied.
D403
LED
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