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8-2. Outdoor Unit (Inverter Assembly)
RAS-10SAVP-E, RAS-13SAVP-E, RAS-16SAVP-E
RAS-10SAVP-ND, RAS-13SAVP-ND, RAS-16SAVP-ND
220–240 V
~
50Hz
220–220 V
~
60Hz (-E model only)
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
Relay
circuit
Noise
Filter
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)
Freeze
prevention
heater
Outdoor
Fan motor
Compressor
MCC5009 (P.C.B) OUTDOOR UNIT
Current
detect
Current
detect
Converter
(AC
®
DC)
Clock
frequency
4MHz
(-ND model only)
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