83
11-5. TROUBLE CRITERION OF MAIN PARTS
W
U
V
WHT
RED
BLK
LEV
WHT
RED
YLW
ORN
BLU
Linear expansion valve
37.4
~ 53.9
Normal
Color of lead wire
WHT - RED
RED - ORN
YLW - RED
RED - BLU
High pressure switch
(HPS)
Pressure
Normal
HPS
3.43 ± 0.15 MPa
4.41 ± 0.1 MPa
Open
Close
Discharge temperature
thermistor (RT62)
Part name
Check method and criterion
Measure the resistance between terminals using a tester.
(Winding temperature: -10 °C ~ 40 °C)
Compressor
Outdoor fan motor
R.V. coil
Defrost thermistor (RT61)
Fin temperature
thermistor (RT64)
Ambient temperature
thermistor (RT65)
Outdoor heat exchanger
temperature thermistor
(RT68)
Measure the resistance with a tester.
Refer to 11-7. “Test point diagram and voltage”, 1. ”Outdoor control P.C.board”,
2. ”Outdoor power P.C. board”, for the chart of thermistor.
Measure the resistance with a tester.
Before measurement, hold the thermistor with your hands to warm it up.
Refer to 11-7. “Test point diagram and voltage”,1. ”Outdoor control P.C. board” for the chart of
thermistor.
a
a
a
MXZ-3E54VA
MXZ-3E68/4E72VA
MXZ-4E83/5E102VA
MXZ-2E53VAHZ
a
MXZ-4E83VAHZ
Normal (Each phase)
MXZ-4E83/5E102VA
MXZ-2E53VAHZ
NaN
MXZ-3E54/3E68/4E72VA
NaN
MXZ-4E83VAHZ
NaN
Normal (Each phase)
5HIHUWR
Measure the resistance using a tester. (Part temperature: -10 °C ~ 40 °C)
Measure the resistance using a tester. (Part temperature: -10 °C ~ 40 °C)
MXZ-3E54VA MXZ-3E68VA MXZ-4E72VA
MXZ-4E83VA MXZ-5E102VA MXZ-2E53VAHZ MXZ-4E83VAHZ
OBH723C
Summary of Contents for MXZ-2E53VAHZ
Page 16: ...16 MXZ 4E83VA Unit mm Air in Air in Air in Air out OBH723C ...
Page 17: ...17 MXZ 5E102VA Unit mm Air in Air in Air in Air out OBH723C ...
Page 18: ...18 Unit mm MXZ 2E53VAHZ OBH723C ...
Page 19: ...19 MXZ 4E83VAHZ Unit mm OBH723C ...
Page 22: ...22 MXZ 4E83VA E1 OBH723C ...
Page 23: ...23 MXZ 4E83VA E2 OBH723C ...
Page 24: ...24 MXZ 4E83VA ET1 OBH723C ...
Page 25: ...25 MXZ 4E83VA ET2 OBH723C ...
Page 26: ...26 MXZ 4E83VA ER1 OBH723C ...
Page 27: ...27 MXZ 5E102VA E1 OBH723C ...
Page 28: ...28 MXZ 5E102VA E2 OBH723C ...
Page 29: ...29 MXZ 5E102VA ET1 OBH723C ...
Page 30: ...30 MXZ 5E102VA ET2 OBH723C ...
Page 31: ...31 MXZ 5E102VA ER1 OBH723C ...
Page 32: ...32 MXZ 2E53VAHZ E1 OBH723C ...
Page 33: ...33 MXZ 2E53VAHZ ER1 OBH723C ...
Page 34: ...34 MXZ 4E83VAHZ E1 OBH723C ...
Page 35: ...35 MXZ 4E83VAHZ ER1 OBH723C ...