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8. APPLIED CONTROL AND FUNCTIONS
8-1. Hot Water Module printed circuit board
MCC-1744
“1:1 model” Connection Interface
CN050 (White)
Indoor/Outdoor communication
CN040 (Blue)
Function switching
JP001
Power supply LED of Remote controller
LED D403 (Red)
Option output
CN060 (White)
HA
CN061 (Yellow)
CHK
CN071 (White)
DISP
CN072 (White)
Remote controller cmmunication
CN041 (Blue)
TC1 sensor
CN100 (Brown)
TWO (TC2) sensor
CN101 (Black)
TCJ sensor
CN102 (Red)
Float SW
CN030 (Red)
EXCT
CN073 (Red)
TWI (TA) sensor
CN104 (Yellow)
Not use
CN083 (White)
Option power supply
CN309 (Yellow)
Power supply
CN067 (Black)
2 way valve
CN033 (Green)
Input for power supply of transformer
CN075 (White)
Microprocessor operation LED (Red)
Main pass LED (Yellow)
Sub-pass LED (Green)
D501
D503
D504
PMV output
CN082 (Blue)
Not use
CN502 (White)
EEPROM
IC503
Serial receiving LED
D14 (Orange)
Serial receiving LED
D15 (Green)
External abnormal input
CN080 (Green)
TCJ2 (TF) sensor
CN103 (Green)
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