27
-20 -10
0
10
20
30
40
0
10
20
30
40
50
60
70
80
90
100
Temperature(
:
)
Gas pipe temperature thermistor (RT65,66)
Evaporation temperature thermistor (RT63)
Temperature(
:
)
Discharge temperature thermistor (RT61)
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 (RT67)
Resistance(k
"
)
Resistance(k
"
)
Resistance(k
"
)
325V DC
TEST POINT DIAGRAM AND VOLTAGE
MXZ-18TV
-
Outdoor Electronic control P.C.board
E1
(
(
(
(
(
(
(
(
Gas pipe temperature
A
thermistor (R
T65)
Gas pipe temperature B thermistor (R
T66)
Defrost temperature thermistor (R
T62)
Discharge temperature thermistor (R
T61)
Evaporation temperature thermistor (R
T63)
Fin temperature thermistor (R
T67)
R.V
. coil 12V DC
Current Limit Relay 12V DC
Outdoor fan Hi 12V DC
Outdoor fan Lo 12V DC
Room
A
Linear expansion valve (LEV)
12V DC pulse wave
Room B
Linear expansion valve (LEV)
12V DC pulse wave
LED monitor
indication (LED 1)
LED monitor
indication (LED 2)
Serial signal Room B
5 ~ 10V DC
Serial signal Room A
5 ~ 10V DC
OB280-1.qxp 01.4.4 2:40 PM Page 27
Содержание MXZ-18TV
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