109
11-7. TEST POINT DIAGRAM AND VOLTAGE
MXZ-2D33VA MXZ-2D40VA MXZ-2D42VA MXZ-2D53VA MXZ-2D53VAH
1. Inverter P.C. board
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)
Connect to
outdoor dis-
play P.C.
board
(CN935)
Fin temperature
thermistor/RT64
(CN642)
Ambient temperature
thermistor /RT65
(CN643)
Discharge temperature
thermistor/RT62 (CN641)
Defrost thermistor/RT61 (CN641)
230 VAC
(LD66A, LD70)
Front side of unit
250 - 325 VDC
(DB61(+), (-))
Output to drive
compressor
(LDU, LDV, LDW)
FUSE (F801)
T3.15AL250V
FUSE (F901)
T3.15AL250V
Signal of
outdoor fan motor
(CN931)
Outdoor heat
exchanger temperature
thermistor /RT68 (CN644)
Smoothing capacitor
(C61, C62, C63)
R.V. coil (CN721)
Heater (CN722)
MXZ-2D53VAH
FUSE (F701)
T3.15AL250V
230 VAC
(X64 , LD66B)
230 VAC
(LD61, LD62)
230 VAC
(CN601 , )
Serial signal A
(CN601 , )
Serial signal B
(CN601 ,
CN602 ,)
Output to
drive
outdoor fan
motor
(CN932)
LEV A coil
(CN724)
LEV B coil
(CN725)
OBH626E
Summary of Contents for SEZ-KD VA Series
Page 22: ...22 MXZ 2D33VA E2 MXZ 2D42VA E2 MXZ 2D53VA E2 OBH626E ...
Page 23: ...23 MXZ 2D33VA ER2 MXZ 2D40VA ER2 MXZ 2D53VA ER2 OBH626E ...
Page 24: ...24 MXZ 2D53VAH E1 OUTDOOR DISPLAY P C BOARD OBH626E ...
Page 25: ...25 MXZ 2D53VAH E2 OBH626E ...
Page 26: ...26 MXZ 2D53VAH ER2 OBH626E ...
Page 27: ...27 MXZ 3D54VA E1 OBH626E ...
Page 28: ...28 MXZ 3D54VA2 E2 OBH626E ...
Page 29: ...29 MXZ 3D54VA2 ER2 OBH626E ...
Page 30: ...30 MXZ 3D68VA E1 OBH626E ...
Page 31: ...31 MXZ 3D68VA E2 OBH626E ...
Page 32: ...32 MXZ 3D68VA ER2 OBH626E ...
Page 33: ...33 MXZ 4D72VA E1 OBH626E ...
Page 34: ...34 MXZ 4D72VA E2 OBH626E ...
Page 35: ...35 MXZ 4D72VA ER2 OBH626E ...
Page 36: ...36 MXZ 4D83VA E1 OBH626E ...
Page 37: ...37 MXZ 4D83VA E2 OBH626E ...
Page 38: ...38 MXZ 4D83VA ER1 OBH626E ...
Page 39: ...39 MXZ 4D83VA ER2 OBH626E ...
Page 40: ...40 MXZ 5D102VA E1 OBH626E ...
Page 41: ...41 MXZ 5D102VA E2 OBH626E ...
Page 42: ...42 MXZ 5D102VA ER1 OBH626E ...
Page 43: ...43 MXZ 5D102VA ER2 OBH626E ...