Pcb Diagrams; Sizes 09-12K - Carrier 38MHRC Service Manual

PCB DIAGRAMS

bridge
for compressor
BR
R189
D610
R605
D406
DZ303 DZ302
DZ304
R623
C10
C316 C314
C302
IPM
DC
0VAC
10 200VAC¡¯
SG-38MHRC-01
E2
AC
ZR4
C5
0.75 ¦
R254
0.75 ¦
E1
D610
DZ601
R605
D406
C612
R618
C615
E208 m¦ ,¡À1% R616 C611
R617
R615
R607
E206
R612
R611R610
R608
R626 C605
R187
C606
E605
E602
CN28
C511 C512
R519 R521
RED
V
CN29
CN50
U
V U
communication
Fig. 33 — Size 12K (115V)
LED101
w （
0.5Hz ）
（ 2Hz ）
CN9
C5
ZR4
BR1
CN32
C696 R696
L601
P
ZR3
R606
E2
N
Q601
ON SW2
R191 IC404
R405
ON R408
C408
4
1 2 3
DZ601 R403
3
E304
C334 1 2 LED101 4
C333
DZ301 E208 R156
C612 E109
R618 R421 R406
C611 C615 C121
R616 R155
3W
E105 R154
C120 R407
C405
R617
R301 R152
C324 R304 R615
R150
R305 R607
C614
E206
R612
E410
R611 R608 R610
R626 R174 C125
C605
C127
IC602 R181
R180
C128
R188 C126
C606
D103 C130
C129 C118
R186 C131
C311 R303 R185 C322
C312 R187 C513
R306
IC101
R314
R315
C132
C112
E605 R323
R147
1
E602
C106 C135
R103 R108
R102 C101 C618
R125
R106
R628 OSC101 R124
IPM301 R127
C102 R126
IC102
C321
IC301
C103
R143
R105 R107 E101
C104 C105 C115
W
D101
C511 C512
R519 R521 IC103
R123
V
E103 R196
CN50
1
U
R122
CN507 CN505
CN30
P3N X62T+41560).D.13.WP 1
BLUE
C
W
V
U
Fig. 34 — Sizes 09-12K (208/230V)
Specifications subject to change without notice.
connect to C Capacitor
output
US KFR
L5 L4 L2
C9A
C4 RY1
C2
L1
C10
C11
C7 R2
R21
Comment
Comment
Q101
R128
C16
R191
RY2
R405 +
R408
C408 R410
R401
RY4
1 2 4
D401
C401
LED101 4 +
1 2 C402
E109 R156
R421 R406 E401
D402
R155 C121 C412
R154
E105 C120 R407
C405
R152
R150
C614 R409
7805
E410
C125
T401
C127
R181
R180
C128
R188 C126
C129
E409 D404
C118
+
D407
R149
C112 E102
R148
C409
R147 C404
C116
1
DZ204 C274
C106
R108
R102 C101 C618
R106 R125
R124
R628
R127
C102 R126
R140
R142
E404
E407
R105 R107 E101
C115 E405 R506
C104
C105
R504 R508
D101 R502
Rdi
R196 R516
C271
DZ201
R144
+
1
R122
1
1
CN507 CN505
CN6
C520
[1.6]
17122000019195
C Test
DR
VAC
CN10 17122000002718
C4 DR_N
C9
L5L4L3L2 DAS1 CN3_1
C1
ZR5
C2
ZR2
ZR1
CN2
CN11
DR_L
C3
C11
L1
AC
E1 C110 C6
R129 R3 R21 R23
IC1
C122
RC1
R133
D2 D1
PTC1
RY1
IC2
R1
R195
RY5
Q101
R131
R130
RC2
C16
RY2 HEAT2
RC3
RY4
R401
R410
IC401 D401
C401
IC403
+
C402
E401 RY3A
D402
T401
C134
R409
C412 IC105
RY3
C8
IC104
E409 D404
TP CN21 T4 CN22
IC405
+
D407
7805
R149
E102
R148 C409 C413
C404 E106 E108
D403
C116
DZ204 C274
R173
C113
E107
E407
R140
E283
R142
E404
Rdi e R506
Have NO R504 R508
No YES
R502
Rdi
E405 R516 DZ203
C271
DZ201 C272
R144 R112
CN6 TESTPORT R111 C273
1 +
+ DZ202 + E282
+
C520 E280 E281
1
T
AC
connect to reactor
AC output
1
CN4_1 CN4_2
CN4_4
connect to
Ground
C1
DSA1 ZR2
VAC
CN1
CN2
ZR1 VAC
ZR5
CN16
connect to indoor unit
AC
FUSE1
communication
RC1
C6 D1
connect to compressor heater
+
D2
R1
connect to
RY5
when i
RC2
AC fan motor
FAN Starting Capacitor
5
N line
4
high speed
L
2
low speed
~ ~
1
+ FAN Starting Capacitor
AC
C8
connect to chassis heater
C117
when i
T4 CN21
E106
E108
pipe temp.sensor& room temp.
E107
sensor&Exaust temp. sensor
connect to Electric Expansion Valve
connect to DC
C272
0VAC
V
U 10
E282
+
+ E280
DZ202
+
E281
for DC FAN
CN1A
CN3
AC
CN1
CN16
S CN17
is ON, AC
CN60
is ON, VAC
HEAT2
is on, VAC OUTPUT
N
N
H
AC fan
H speed
L
L speed
CN31
T3
TP T4 T3
6 5 4 3 2 1
pipe
W
conn o DC M o
V
0V )
U
V ing)
e
e
AC output
Valve
V T T
V T T
T T4 T
6 5 4 2 1
+12V DC
+12V DC
+12V DC pulse wave betw GND
+12V DC pulse wave betw GND
+12V DC pulse wave betw GND
+12V DC pulse wave betw GND
VAC¡¯ (running)
6 5 4 3 2 1
Expansion V
29