Carrier 42NQV025H Service Manual page 27

42NQV045M
Room Temperature Sensor (Ta)
Infrared Rays Signal Receiver
and Indication
Initializing Circuit
Clock Frequency
Oscillator Circuit
Power Supply
Circuit
Converter
(D.C circuit)
Noise Filter
From Outdoor Unit
~
220-240V 50Hz
REMOTE CONTROLLER
M.C.U.
Functions
• Cold draft preventing Function
• 3-minute Delay at Restart for Compressor
• Fan Motor Starting Control
• Processing
(Temperature Processing)
• Timer
• Serial Signal Communication
• Clean Function
Serial Signal Transmitter/Receiver
Serial Signal Communication
(Operation Command and Information)
Remote Controller
Operation (START/STOP)
Operation Mode Selection
AUTO, COOL, DRY, HEAT,FAN ONLY
Thermo. Setting
Fan Speed Selection
ON TIMER Setting
OFF TIMER Setting
Louver AUTO Swing
Louver Direction Setting
Hi-POWER
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FILE NO. SVM-07013
Indoor Unit Control Unit
Louver Motor
Drive Control
Indoor Fan
Motor Control
Infrared Rays, 36.7kHz
ECO
Louver
Motor
Indoor
Fan Motor