39
-20
-10
0
10
20
30
40
0
10
20
30
40
50
60
70
80
90
100
Temperature(
:
)
Defrost thermistor(RT61)
Ambient temperature thermistor(RT65)
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
"
)
1. Inverter P.C. board
MUZ-GC25VA
MUZ-GC25VAH
11-6. Test point diagram and voltage
Back side of unit
Output to drive
outdoor
fan motor
(CN771)
Fin temperature
thermistor/R
T64
(CN642)
Ambient temperature
thermistor /R
T65
(CN643)
Discharge temperature
thermistor/R
T62
(CN641)
Defrost thermistor/R
T61
(CN641)
LEV
connector
(CN724)
230V AC
DB61
Jumper wire for change
in defrost setting (JS)
Front side of unit
DB61
280V ~ 370V
DC
Smoothing capacitor
(C62)
Smoothing capacitor
(C61)
Output to
drive
compressor
(LDW,
LDV,
LDU)
LED monitor
lamp
R.V.coil
(CN721)
(+)
(-)
Fuse
(F701)
Fuse
(F801)
Heater
connector
(CN722)
MUZ-
GC25VAH
Jumper wire for pre-heat
control setting (JK)
Varistor
(NR62)
Varistor
(NR63)
Varistor
(NR61)
OBH469--2.qxp 07.1.22 1:30 PM Page 39
Содержание MUZ-GC25VA
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