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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)