Midea CSU-05HCAA Installation And Maintenance Manual page 37

VII.Troubleshooting
E. Location of detecting points and their voltage
1.5K/7K/9K/12K series
DATE:2003-10-16 DATE:2003-10-16
9012
R12
TR16
R14
R13
R11
R44
C31
R32
R54
TR13
J17 J17
J18
R21
C27 C27
R20
C26 C26
RT2 RT2
C33
RT1 RT1
CN112(PT) CN111(RT)
R47
SW1
Emergency switch
Pipe-temperature
thermistor
HL25GVX002A HL25GVX002A
TR14 TR14
+5V
IC3
J12
R51 TR10
R50
CLK
IC1
RB2 RB2 8
RB4
IC1
A/B
R22
24
CST CST
D9
C14
R49
IC2
C25
J2
J1
R23
3
1
5 1
CN121 CN151
Room temperature
thermistor
Indoor electrical control board
installation & Maintenance Manual
IC5
GND
J11
R42
C22 D5
C23
R40
J9
R30
R43
J10 D4
D3
D2
C32
D1
C13
C28
R24
R45
TR11
R25
R46
TR12
J6
J5
J4
J3
LD64(BRN) LD64(BRN)
C6
LD62(YLW) LD62(YLW)
R62
X62
R63
LD63(RED) LD63(RED)
C5
CAUTION: HIGH VOLTAGE ! CAUTION: HIGH VOLTAGE !
Resistance value
35
C10
IC4
C11
C20
C21
TRAN
52C/X10 52C/X10
C4
L102
TAB2(BLU) TAB2(BLU)
NR11 NR11
LD65(BLU) LD65(BLU)
Characteristics of resistors RT11 and RT12
K
Temperature
D10
R61
C3
IC8
R60 R60
C7