Toshiba RAS-17LKV-UL Air Conditioner User Manual


 
25
8-2. Outdoor Unit (Inverter Assembly)
208/230-1-60
MICRO-COMPUTER BLOCK DIAGRAM
Driver circuit
of P.M.V.
Heat exchanger
temp.sensor
Suction temp.
sensor
Outdoor air
temp. sensor
Discharge
temp. sensor
Indoor unit
send/receive
circuit
Relay
circuit
Noise
Filter
Converter
(AC DC)
Clock
frequency
4MHz
High Power
factor Correction
circuit
Input current
sensor
PWM synthesis function
Input current release control
IGBT over-current detect control
Outdoor fan control
High power factor correction control
Inverter output frequency control
A/D converter function
P.M.V. control
Discharge temp. control
4-way valve control
Signal communication to indoor unit
P.M.V. : Pulse Motor Valve
M.C.U. : Micro Control Unit
M.C.U
For INDOOR UNIT
4-way
valve
P.M.V.
Inverter
(DC AC)
Gate drive
circuit
Gate drive
circuit
Inverter
(DC AC)
Outdoor
Fan motor
Compressor
MCC5009 (P.C.B) OUTDOOR UNIT
Current
detect
Current
detect
FILE NO. SVM-10020