Basic Operation; Operation Control - Toshiba RAS-4M23SAV-E Service Manual

Item
1. Basic

1. Operation control

operation
Receiving the user's operation condition setup, the operation statuses of indoor/outdoor units are
controlled.
1) The operation conditions are selected by the remote controller as shown in the below.
2) A signal is sent by ON button of the remote controller.
3) The signal is received by a sensor of the indoor unit and processed by the indoor controllers as
shown in the below.
4) The indoor controller controls the indoor fan motor and louver motor.
5) The indoor controller sends the operation command to the outdoor controller, and sends/receives
the control status with a serial signal.
6) The outdoor controller controls the operation as shown in the left, and also controls the compres-
sor, outdoor fan motor, 4-way valve and pulse motor valve.
Selection of
operation conditions
ON/OFF
Signal receiving
Indoor unit control
Operation command
Serial signal send/receive
Serial signal send/receive
Outdoor unit control
Operation flow and applicable data, etc.
Remote controller
Control contents of remote controller
ON/OFF (Air conditioner/Air purifier)
Operation select (COOL/HEAT/AUTO/DRY)
Temperature setup
Air direction
Swing
Air volume select (AUTO/LOW/LOW+/MED/MED+/HIGH)
Sleep mode
ON timer setup
OFF timer setup
High power
Indoor unit
Indoor unit control
Command signal generating function of indoor unit
operation
Calculation function (temperature calculation)
Activation compensation function of indoor fan
Cold draft preventive function
Timer function
Indoor heat exchanger release control
Clean function
Outdoor unit
Outdoor unit control
Frequency control of inverter output
Waveform composite function
Calculation function
(Temperature calculation)
AD conversion function
Quick heating function
Delay function of compressor reactivation
Current release function
GTr over-current preventive function
Defrost operation function
Inverter
– 41 –
Description
Indoor fan motor
Louver motor
~
Compressor
Outdoor fan motor
4-way valve
Pulse motor valve
(P .M.V.)