Operation Control; Operation Description; Basic Operation - Toshiba RAS-18J2KVSG-E Service Manual

9-2. Operation Description

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. The power relay is tumed ON and power supply to the outdoor unit.
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 below, and also controls the
compres-sor, outdoor fan motor, 4-way valve and pulse Modulating valve are controlled
Selection of operation
conditions
ON/OFF
Indoor unit
Signal
receiving
Indoor unit control
Operation command
Serial signal
transmission
Outdoor unit
Serial signal
Transmission
Operation flow and applicable data, etc.
Remote controller
Control contents of remote controller
• ON/OFF
• Operation select (AUTO,COOL,DRY,HEAT,FAN ONLY)
• Temperature setup
• Air direction
• Swing
• Air volume select (AUTO/QUIET/LOW/LOW+/MED/MED+/HIGH/QUIET)
• Contront air flow (wide center/Right wide/Left wide/spot front/spot right/spot left)
• HADA CARE FLOW
• Hi-POWER
• ECO
• ON timer setup
• OFF timer setup
• COMFORT SLEEP
Indoor unit control
• Command signal generating function for
indoor unit operation
• Calculation function (temperature
calculation)
• 3 minute delay function for compressor
reactivation
• Activation compensation function for indoor
fan
• Cold draft preventive function
• Timer function
• Indoor heat exchanger release control
Power relay
Outdoor unit control
• Inverter output frequency
control
• Waveform composite function
• Calculation function
(temperature calculation)
• AD conversion function
• Quick heating function
• Compressor reactivation delay
function
• Current release function
• GTr overload protective function
• Defrost operation function
• Outdoor temperature estimation
• PRESET
• ONE-TOUCH
• POWER-SELECTION
• A/B Selection function
• Indoor fan motor
• Louver motor
〜
• Compressor
Inverter
• Outdoor fan motor
• Pulse modulating valve
• Four-way valve
- 32 -
Description
• Silent CDU
• Fireplace & 8°C