2. outdoor unit (inverter assembly), Micr o-computer block dia gram – Toshiba RAS-13UAV-E2 User Manual
Page 22
– 21 –
FILE NO. SVM-03008
7-2. Outdoor Unit (Inverter Assembly)
220
−
240 V
50/60 Hz
MICR
O-COMPUTER BLOCK DIA
GRAM
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
P.M.V
: Pulse Modulating Valve
M.C.U
: Micro Control 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
MCC813 (P
.C.B)
OUTDOOR UNIT