– 38 –
8-2. Outdoor Unit (Inverter Assembly)
RAS-4M23SAV-E, RAS-4M23SACV-E
NOTE)
∗
1 : Heat pump model only.
A unit P.M.V.
B unit P.M.V.
C unit P.M.V.
D unit P.M.V.
Noise filter
4-Way valve
Relay circuit
*
1
*
1
• Inverter outdoor frequency control
• A/D converter function
• P.M.V. control
• Discharge temp. control
• Error display
• Signal communication to MCU
• PWM synthesis function
M.C.U
• PWM synthesis function
• Input current release control
• IGBT over current detect control
• High power factor correction control
• Signal communication to MCU
• Output current release control
• A/D converter function
M.C.U
Discharge
temp. Sensor
Gas side
pipe temp. Sensor
Suction
temp. Sensor
Evaporator
temp. Sensor
Outdoor air
temp. Sensor
MCC-818 (SUB-P.C. B)
MCC-1438 (MAIN-P.C. B)
220–240V
~
50Hz
220V
~
60Hz
Driver circuit
of P.M.V.
P.M.V : Pulse motor valve
PWM : Pulse width modulation
IGBT : Insulated gate bipolar
transistor
A unit send/
receive circuit
B unit send/
receive circuit
C unit send/
receive circuit
D unit send/
receive circuit
Inverter
(DC
®
AC)
Over current
detect circuit
Clock frequency
oscillator circuit
10MHz
High power factor
correction circuit
Gate
drive circuit
Over current
detect circuit
Input current
sensor
Converter
(DC
®
AC)
Over current
sensor
Inverter
(DC
®
AC)
Output current
sensor
Signal communication
to MCU
Gate
drive circuit
Clock frequency
oscillator circuit
16MHz
Over current
sensor
Rotor position detect circuit
Compressor
Outdoor
fan motor
Summary of Contents for RAS-4M23SACV-E
Page 27: ... 27 4 2 Outdoor Unit RAS 4M23SAV E RAS 4M23SACV E ...
Page 114: ... 114 MCC 1438 ...
Page 115: ... 115 MCC 818 ...