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7-2. Outdoor Unit (Inverter Assembly)
RAS-10YAV-E, RAS-13YAV-E
220–230–240 V
~ 50/60 Hz
MICRO-COMPUTER BLOCK DIAGRAM
Over current
sensor
Driver circuit
of P.M.V.
Over current
sensor
Heat exchanger
temp.sensor
Suction temp.
sensor
Outdoor air
temp. sensor
Discharge
temp. sensor
Inddor unit
send/receive
circuit
Relay
circuit
Noise
Filter
Converter
(AC DC)
Clock
frequency
16MHz
High Power
factor Correction
circuit
Input current
sensor
Rotor position
detect circuit
Rotor position
detect circuit
• 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
M.C.U
For INDOOR UNIT
4-way
valve
P.M.V.
Inverter
(DC AC)
Over current
detect circuit
Gate drive
circuit
Gate drive
circuit
Over current
sensor
Inverter
(DC AC)
Outdoor
Fan motor
Compressor
MCC808 (P.C.B) OUTDOOR UNIT