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MUZ-A24
MUY-A24
MUZ-D
MUY-D
POWER
SUPPLY
NOISE
FILTER
CIRCUIT
RESISTOR
RELAY
SMOOTHING
CAPACITOR
CURRENT
TRANSFORMER
COMPRESSOR
REACTOR
P
W
V
U
N
IPM
PFC
U
W
MS
3~
V
+
Function of main parts
NAME FUNCTION
INTELLIGENT POWER MODULE (IPM) It supplies three-phase AC power to compressor.
SMOOTHING CAPACITOR It stabilizes the DC voltage and supplies it to IPM.
CURRENT TRANSFORMER
It measures the current of the compressor motor.
It measures the current of the main power supply circuit.
REACTOR
It rectifi es AC, controls its voltage and improves the power factor of power
supply.
POWER FACTOR CORRECTION MODULE (PFC)
RESISTOR It restricts rush current with the resistance.
RELAY
It short-circuits the resistance which restricts rush current during the compres-
sor operates.