Control Block Diagram; Ras-18Ufhp-E, Ras-24Ufhp-E - Toshiba RAS-18UFHP-E Service Manual

6-1. RAS-18UFHP-E, RAS-24UFHP-E

Heat Exchanger Sensor
Temperature Sensor
Infrared Rays Signal Receiver
Initiallizing Circuit
Infrared
Rays
Clock Frequence
Oscillator Circuit
36.7 kHz
Power Supply
Circuit
Remote
Control
Noise Filter
From Outdoor Unit
REMOTE CONTROL

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
• Drain Pump ON/OFF
• Serial Signal Communication
Serial Signal
Transmitter/
Receiver
Serial Signal Communication
Remote Control
Operation (START/STOP)
Operation Mode Selection
AUTO, COOL, DRY, HEAT, FAN ONLY
Temperature Setting
Fan Speed Selection
ON TIMER Setting
OFF TIMER Setting
Louver Auto Swing
Louver Direction Setting
Hi power
Filter Reset
M.C.U. 8 MHz
Louver ON/OFF Signal
Louver Driver
Relay
RY401
Infrared Rays
ECO
– 24 –
FILE NO. SVM-02008
Hi POWER
Display
FILTER Sign
Display
PRE DEF.
Sign Display
TIMER
Display
OPERATION
Display
Indoor Fan
Motor
Louver Motor
Float
Switch
Drain
Pump