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7. CONTROL BLOCK DIAGRAM
7-1. Indoor Unit
Remote controller
Functions
• Drain Pump Control
• 3-minutes Delay at Restart for Compressor
• Motor Revolution Control
• Processing
(Temperature Processing)
• Timer
• Serial Signal Communication
M.C.U
Indoor Unit P.C. Board (MMC-875)
From Outdoor Unit
Remote
Controller
Serial Signal Communication
Serial Signal Transmitter/Receiver
Drain Pump Relay
Noise Filter
Float Switch
Drain Pump
Option
Operation Display
Drain Pump ON/OFF Signal
Heat Exchanger Sensor
Temperature Sensor
Infrared Rays Signal Receiver
Initializing Circuit
Clock Frequency
Oscillator Circuit
Power Supply
Circuit
Infrared
Rays
Wireless Remote Controller
RAS-M10YDV-E, M13YDV-E, M16YDV-E
(Heat Pump Model)
RAS-M10YDCV-E, M13YDCV-E, M16YDCV-E
(Cooling Only Mpdel)
Operation (START/STOP)
Thermo. Setting
Fan Speed Selection
ON TIMER Setting
OFF TIMER Setting
ECO (SLEEP)
Hi-POWER
Operation Mode Selection
AUTO, COOL, DRY, HEAT
Infrared
Rays
Wireless Remote Controller
Operation (START/STOP)
Thermo. Setting
Fan Speed Selection
ON TIMER Setting
OFF TIMER Setting
ECO (SLEEP)
Hi-POWER
Operation Mode Selection
AUTO, COOL, DRY, FAM ONLY
Infrared
Rays
Timer Display
Indoor Fan Motor
Check Display
Voltage setup &
TEMPORARY Switch
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