Specifications
35
installation & Maintenance Manual
E. Location of detecting points and their voltage
1.5K/7K/9K/12K series
Indoor electrical control board
HL25GVX002A
HL25GVX002A
BUZ
BUZ
R21
RT1
RT1
RT2
RT2
R20
CN112(PT)
R47
SW1
C33
C26
C26
C27
C27
J18
CN111(RT)
R31
R48
CN121
1
3
R23
IEC127fuseT5AL250V
IEC127fuseT5AL250V
UL-fuse 5A 250V
CN151
5 1
D6
C32A
C32A
J1
D7
D8
RB3
RA3
RA3
TR16
JPH
JPH
J17
J17
RU3
RU4
RU4
JPM
JPM
1
R32
7
CN100
CN100
R14
R12
R44
R11
IC6
J16
R53
TR13
RU2
RU2
R54
R55
RU1
RU1
R52
JF1
JF2
JF2
C25
C24
J2
CST
CST
IC2
C14
R49
D9
RB1
CLK
C31
J14
J15
A/B
J13
R13
RB2
RB2
RB4
R22
IC1
24
IC1
R51
R50
J10
8
TR10
DATE:2003-10-16
DATE:2003-10-16
9012
TR15
TR14
TR14
+5V
J12
TR17
TR17
RA2
RA4
RA1
IC3
IEC127fuseT5AL250V
IEC127fuseT5AL250V
CAUTION: HIGH VOLTAGE !
CAUTION: HIGH VOLTAGE !
X64
LD62(YLW)
LD62(YLW)
X63
LD63(RED)
LD63(RED)
X62
UL-fuse 5A 250V
UL-fuse 5A 250V
R62
C5
R63
C6
TAB2(BLU)
TAB2(BLU)
FUSE
FUSE
NR11
NR11
CN211
CN211
LD65(BLU)
LD65(BLU)
C7
R61
+
R40
52C/X10
52C/X10
TR11
J4
J3
R25
J6
J5
LD64(BRN)
LD64(BRN)
TR12
R46
C32
R24
J8
C13
C28
D1
C30
R43
D4
D3
D2
R30
J7
J7
R45
J9
C1
C1
L102
C4
J19
IC8
TRAN
D10
C22
J11
R42
C23
R41
GND
D5
C12
+
C21
IC5
C11
+
C10
C20
IC4
R60
R60
IC7
C3
R145
Room temperature
thermistor
Pipe-temperature
thermistor
Emergency switch
Characteristics of resistors RT11 and RT12
Resistance value
K
Temperature
VII.Troubleshooting