Mitsubishi Electric MUZ-GB50VA, Service Manual

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Speci fi cations and rated conditions of main electric parts
Model
Item
MUZ-GB50VA-
E1
MUZ-GB50VA-
E2
Current transformer
(CT1,2) 20 A
(CT61) 20 A
Smoothing capacitor (CB1,2,3) 560 μ F 450 V
Fuse
(F64) 250 V 2 A
(F801) 250 V 3.15 A
(F911) 250 V 1 A
Expansion valve coil (LEV) DC 12 V
Intelligent power module
(IPM) 15 A 600 V
(HC930) 3 A 600 V
Reactor (L) 340 μ H 20 A
Power factor controller (PFC) 20 A 600 V
Resistor
(R64A,B) 10 Ω 10 W
(R937A,B) 1.1 Ω 2 W 2%
(RS1~4) 0.04 Ω 7 W
Solenoid coil relay (SSR61) 0.5 A 600 V
Terminal block (TB1,TB2) 3 P
Relay (X64) 20 A 250 V
R.V. coil (21S4) AC 220 - 240 V
Model
Item
MUZ-GB50VA-
E3
Current transformer
(CT) 20 A
(CT761, CT781) 15 A
Smoothing capacitor (C61, C62, C63) 620 μ F 420 V
Diode module
(DB61) 25 A 600 V
(DB65) 25 A 600 V
Fuse
(F61) T20AL250V
(F701, F801, F901) T3.15AL250V
Intelligent power module (IPM) 20 A 600 V
Expansion valve coil (LEV) DC 12 V
Reactor (L61) 23.0 mH
Current-detecting resistor
(R61, R62) 180 m Ω 5 W (2 elements)
(R825) 25 m Ω 5 W
(R937A, R937B) 1.1 Ω 2 W
Current-limiting PTC thermistor (PTC64, PTC65) 33 Ω
Terminal block (TB1, TB2) 3 P
Relay
(X63) 3 A 250 V
(X64) 20 A 250 V
R.V. coil (21S4) AC 220 - 240 V
IGBT (TR821) 30 A 600 V