Carrier 42HWG009 Technical Data & Service Manual page 44

INDEX DESCRIPTION
STEPPING MOTOR DRIVING
STEPPING MOTOR
RPM SENSOR INPUT
HALL (RPM) SENSOR
-1 -2 -3
FUNCTION CONFIGURATION
TEMPERATURE SENSING
T H E R M I S T O R
"EMERGENCY" OR "TEST" SIGNAL INPUT
ADDRESS SELECTION INPUT
SIGNAL RECEIVER & INDICATOR LAMP DRIVING
SIGNAL RECEIVER & INDICATOR LAMP
CLOCK GENERATION
DC POWER SUPPLY
DST SIGNAL INTERFACE or H.A COMMUNICATION
RVS & ODF RELAY DRIVING FOR H/P
BUZZER DRIVING
AC SWITCH DRIVING FOR IDF
INDOOR FAN MOTOR
EEPROM DRIVING
AC POWER SUPPLY & RELAYS OUTPUT
RESET CIRCUIT
POWER LINE FREQ. MONITORING INPUT
STATUS LED DRIVING
COMP. RELAY DRIVING
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