Control Block Diagram - Carrier 42NQ018N Service Manual

Heat Exchanger Sensor
Temperature Sensor
Infrared Rays Signal Receiver
Initiallizing Circuit
Infrared
Rays
Clock Frequency
Oscillator Circuit
Power Supply
Circuit
Remote
Control
Noise Filter
From Outdoor Unit
AC 220-240V~ 50Hz
REMOTE CONTROLLER

6. CONTROL BLOCK DIAGRAM

Indoor Unit Control Panel
Functions
• Louver Control
• 3-minute Delay at Restart for Compressor
• Motor Revolution Control
• Processing
(Temperature Processing)
• Timer
• Serial Signal Communication
Serial Signal Transmitter/Receiver
Serial Signal Communication
Remote Controller
Operation [
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
M.C.U.
Louver ON/OFF Signal
Louver Driver
Infrared Rays, 36.7kHz
]
ECO
Hi-POWER
− 10 −
FILE NO. SVM-10035
Operation
Display
Timer
Display
Filter Sign
Display
PRE DEF.
Sign Display
Hi Power
Sign Display
Indoor
Fan Motor
Louver Motor