8-
3
.
Outdoor Unit (Inverter Assembly)
RAS-2M18S3AV-A
Outdoor temp. sensor
Gas side pipe temp. sensor
Suction temp. sensor
Evaporator temp. sensor
Discharge
temp. sensor
A unit P.M.V.
B unit P.M.V.
M
.
C
.
U
・
Inverter outdoor frequency control
・
A/D converter function
・
P.M.V control
・
Processing (Temp. Processing)
・
Error display
・
Serial Signal Communication with
indoor unit
・
Signal Communication with MAIN-P.C.B
・
Function select
Driver
circuit
of P.M.V
.
A unit Serial Signal
Communication
circuit
B unit Serial Signal
Communication
circuit
220-240V ~50Hz
220V ~60Hz
Signal Communication
Function select
MCC-1665 (Control P.C.B)
MCC-1645 (MAIN P.C.B)
M
.
C
.
U
・
PWM synthesis function
・
Input current release control
・
IPM over current detect control
・
High power factor correction control
・
Signal Communication with
Control-P.C.B
・
Fan motor control
・
Compressor motor control
・
4-way valve control
・
High-pressure switch
・
Case thermo
Noise filter
Input current
Sensor
4-way valve
Relay circuit
Converter
(AC
→
DC)
I
nverter
(
D
C
→
A
C)
I
nverter
(
D
C
→
A
C)
High power factor
correction circuit
Gate drive
circuit
Output current
sensor
Compressor
Gate drive
circuit
Output current
sensor
Outdoor
fan motor
Clock frequency
oscillator
circuit 10MHz
P.M.V
:
Pulse motor valve
PWM
:
Pulse width modulation
IPM
:
intelligent power module
MCC-1665
(Display-P.C.B)
LED
Tact-SW
Junper
Transformer
MCC-1653
(Demand P.C.B)
Converter
(AC-DC)
Demand
signal
High-pressure switch
Case thermo
FILE NO. SVM-15102
- 4
6
-
Summary of Contents for RAS-2M14S3AV-E
Page 31: ...4 1 Outdoor Unit 4 CONSTRUCTION VIEWS FILE NO SVM 15102 31 Unit mm ...
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