Service manual

43
MUZ-GA25VA - MUZ-GA35VA -
MUZ-GA25VAH - MUZ-GA35VAH -
E1E1
E1E1
Back side of unit
-20 -10 0 10 20 30 40
0
10
20
30
40
50
60
70
80
90
100
Temperature(:)
Ambient temperature thermistor(RT65)
Defrost thermistor(RT61)
Temperature(:)
Discharge temperature thermistor(RT62)
0 10 20 30 40 50 60 70 80 90 100 110 120
0
100
200
300
400
500
600
700
0 10 20 30 40 50 60 70 80
0
20
40
60
80
100
120
140
160
180
200
Temperature(:)
Fin temperature thermistor(RT64)
Resistance(k")
Resistance(k")
Resistance(k")
Output to drive
outdoor fan motor
(CN932)
Fin temperature thermistor/RT64 (CN642) Ambient temperature thermistor /RT65 (CN643)
Discharge temperature thermistor/RT62 (CN641)
Defrost thermistor/RT61 (CN641)
LEV
connector
(CN724)
230V AC
DB61
Connecting
wire with
power P.C.
board
(CN725)
Jumper wire for change
in defrost setting (JS)
Front side of unit
DB61
280V ~ 370V
DC
Smoothing capacitor
(C63C)
Smoothing capacitor
(C63A)
Smoothing capacitor
(C63B)
MUZ-GA35VA,MUZ-GA35VAH
Rotational frequency feedback signal of outdoor fan motor (CN931)
1(+)
2(+)
3(+)
45V
5GND
Output to drive
compressor
(LDV,LDW,LDU)
LED monitor
lamp
Connector for indoor/out- door communication (CN601)
(+)
(-)
11-7. Test point diagram and voltage.
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MUZ-GA35VA
MUZ-GA35VAH
1. Inverter P.C. board
OB379 --2qxp 05.1.17 16:38 Page 43