83
11-7. TEST POINT DIAGRAM AND VOLTAGE
1. Inverter P.C. board
MXZ-2B30VA MXZ-2B40VA MXZ-2B52VA
Back side of unit
-20
-10
0
10
20
30
40
0
10
20
30
40
50
60
70
80
90
100
Defrost thermistor (RT61)
Ambient temperature thermistor (RT65)
Outdoor heat exchanger
temperature thermistor (RT68)
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
Fin temperature thermistor (RT64)
Output to drive
outdoor fan motor
(CN932)
Fin temperature
thermistor/R
T64 (CN662)
Ambient temperature
thermistor /R
T65 (CN663)
Discharge temperature
thermistor/R
T62 (CN661)
Defrost thermistor/R
T61 (CN661)
230V AC
Input
Front side of unit
325V DC
8V DC
5V
Output to
drive
compressor
(LDW,
LDV,
LDU)
JK,JGO
5V DC 12V DC
FUSE(F801)
T3.15AL250V
FUSE(F901)
T3.15AL250V
To
interface
P.C. board
(CN937)
LEV A
(CN791)
LEV B
(CN792)
GND
5V DC
pulse wave
(CN931)
To fan motor
(
Outdoor heat
exchanger temperature
thermistor /R
T68 (CN661)
(
12V
GND
Zero cross
X64
R.V
. coil (CN933)
Primary current
T
o display P
.C. board
(CN935)
OBH554D
Содержание MXZ-2B30VA
Страница 19: ...19 WIRING DIAGRAM 6 MXZ 2B30VA MXZ 2B40VA MXZ 2B52VA TB3 TB2 TB1 OBH554D ...
Страница 20: ...20 MXZ 3B54VA OBH554D ...
Страница 21: ...21 MXZ 3B68VA OBH554D ...
Страница 22: ...22 MXZ 4B71VA OBH554D ...
Страница 23: ...23 MXZ 4B80VA OBH554D ...
Страница 24: ...24 MXZ 5B100VA OBH554D ...