Carrier 38MHRB series, Service Manual

Page: 25 / 74

25
PCB DIAGRAMS
N
1
17122000019195
1
1
[1.6] 2015−09−30
US− KFR− 35W/BP3N1− (115V+RX62T+41560).D.13.WP2− 1
L
−
IN
N−IN
7805
S
HEA
T1
4−W
A
Y
AC−F
A
N
HEA
T2
Earth
DC−F
A
N
PMV
TESTPORT
BLACK
W
RED
V
BLUE
U
CN4_1CN4_2 CN4_3CN4_4
REACTOR
CAP
T3 T4 TP
N
N
N
H
L
CN25
CN31
AC
AC
+
−
BR1
+
E2
CN21
RC1
E304
ZR2
+ −
AC
OUT IN
~ ~
RY3A
SJ−S−112DMG
R191
IC105
CN15
ZR5
ZR4
R628
C618
R118
R123
R122
C324
IC2
R421
R621
D103
C413
C306
C319
IPM301
R176 R175
+
E109
C107
T401
R410
R409
R316
3W−10m
¦
,¡À1%
D407 +
+
C110
R623
R602
C624
RY3
R196
D610
C318
C316 C314
C134
+
E605
E303
E208
E206
E302 E300
CN50
R523
R522
R521
R520
R519
R518 R517
R323
R322
R321 R320 R319
R318 R317
IC301
C513
C512 C511
C323
C321
C320
R426
R314
R306
R305
R304
R303
C311
C310
C309
C308 C307
CN28
CN29
CN30
C520
C1
+
E106
C101
D101
C611
R171
D602
IC102
Rdi
D404
D401
CN6
ZR1
RY2
R626
R620
R619
R618
R617
R616
R615
R612
R611R610
R608
R607
R605
R603
R601 R528
R516
R513
R508
R506
R504
R502
R429 R428 R427
R408
R407
R406
R405
R404
R403
R315
R301
R190
R188
R187
R186
R185
R182
R181
R180
R179
R178 R174
R173
R170 R169
R168
R165
R157
R155
R154
R152
R150
R149
R148
R147
R144
R143
R142
R140
R138 R137 R136 R135
R133
R132
R131
R130
R129 R128
R127
R126
R125
R124
R121 R120
R117 R116
R115
R114
R112 R111
R110
R108
R107
R106
R105
R102
R101
R2
Q101
OSC101
NTC2
+
LED101
IC603
IC602
IC601
IC403
IC401
IC1
+
E602
+
E401
+
E108
+
E107
+
E105
+
E103
+
E102
+
E101
+
E1
+
E3
+
DZ601
DZ304 DZ303 DZ302
DZ301
+
DZ203
+
DZ202
D406
D402
+
D2
+
D1
1
CN505
CN7
C615
C614
C612
C606
C605
C601
C509
C508 C507
C506 C505 C504 C503
C412
C410
C409
C408
C405
C404
C402
C401
C322
C312
C305
C303
C302
C274
C273
C272
C271
C133
C132
C131
C130
C129
C128
C127
C126
C125
C124
C123
C121
C120
C119
C118
C116
C115
C114
C113
C112
C111
C106
C105
C104
C103
C102
C16
C11
C10
C7
C6
C5
C4
C3
C2
+
E280
+
E281
+
E282
+
E283
+
E404
+
E407
PTC1
+
E409 D104
R401
R103
C117
R195
R172
+
DZ204 C275
R156
R604
R104
IC101
IC104
RY4
+
E410
+
E405
FUSE1
T20A/250VAC
C9A
CN1A
IC404
+
D403
IC103
C613
CN3
CN2
CN1
CN16
+
DZ201
L2 L3 L4 L5
C135
CN17
R21 R23
RY5
2 1
4
3
3 4
ON
1 2
ON
SW2
RC2
DSA1
IC405
+
CN60
C8
L1
R1
IPM501
C122
Comment
Comment
RY1
CN507
R606
3W−10m
¦
,¡À1%
R253
0.75
¦
,/1W
R254
0.75
¦
,/1W
connect to compressor heater
when is on, 100−130V AC output
connect to 4−way Valve
when is on, 100−130VAC OUTPUT
connect to PFC Capacitor
when is on, 100−130V AC
output
connect to reactor
when is on, 100−130V AC output
connect to
Ground
connect to N−line
(100−130VAC INPUT)
connect to L−line
(100−130VAC INPUT)
connect to indoor unit
communication
U
V
W
10− 230VAC¡¯ (running)
0VAC (standby)
connect to DC Motor
external driver motor
connect to Electric Expansion Valve
pipe temp.sensor& room temp.
sensor&Exaust temp. sensor
6 5 4 3 2 1
TP T4 T3
RT RT +5VDC RT +5VDC +5VDC
+12V DC pulse wave between (+1)−GND
+12V DC pulse wave between (+2)−GND
+12V DC pulse wave between (+3)−GND
+12V DC pulse wave between (+4)−GND
+12V DC
+12V DC
6 5 4 3 2 1
AC fan motor
5
4
3
2
1
low speed
N line
high speed
FAN Starting Capacitor
FAN Starting Capacitor
connect to chassis heater
when is on, 100−130VAC OUTPUT
U V W
0V
AC(standby)
10−230V
AC¡¯(running)
connect to compressor
connect to PC
communication EEPROM Programmer
Port Test Port
bridge
IPM for compressor
IPM for DC FAN
P
Fig. 27 – Size 12 115V
+
T4 TP
T3
N
L
H
N
N
Rdi
Have
Low−Fre
YES
NO
No
U
BLUE
V
RED
W
BLACK
TESTPORT
PMV
DC−F
A
N
DR_L
DR_N
Earth
HEAT2
AC−F
A
N
4−W
A
Y
HEA
T1
S
7805
N−
IN
L−
IN
KFR−35W/BP3N1−(RX62T+41560).D.13.WP2−1
[1.8] 2015−12−31
1 1
17122000002718
1
E304
E208
C10
RC3
CN22
ZR4
R696 R695 C696
C695
ZR5
C9
IPM501
L1
C8
CN60
+
IC405
DAS1
RC2
ON
2 1
ON
4 3
3
4 1 2
SW2
RY5
R23 R21
CN17
CN11
CN10
C135
L5L4L3L2
+
DZ201
L601
CN16
CN1
CN2
CN3
CN3_1
C613
IC103
CN507
+
D403
IC404
CN1A
FUSE1
T20A/250VAC
E405
E410
RY4
IC104
IC101
R104
R604 R156
C275 DZ204
R172
R195
C117
R103
R401
D104 E409
PTC1
CN32
BR1
E407
E404
E283
+ E282
+
E281
+
E280
RY1
D601
Q601
C2
C3
C4
C5
C6
C7
C11
C16
C102
C103
C104C105
C106
C111
C112
C113
C114
C115
C116
C118
C119
C120
C121
C123 C124
C125
C126
C127
C128
C129
C130
C131
C132
C133
C271
C272
C273
C274
C302
C303
C305
C312
C322
C401
C402
C404
C405
C408
C409
C410
C503C504 C505
C506
C507C508
C509
C601
C605
C606
C612
C614
C615
CN7
CN9
CN31
CN505
D1 D2
D402
D406
DZ202
DZ203
DZ301
DZ302 DZ303 DZ304
DZ601
E1
E2
E101
E102
E103
E105
E107
E108
E401
E602
IC1
IC401
IC403
IC601
IC602
IC603
LED101
NTC2
OSC101
Q101
R2
R3
R101
R102
R105
R106
R107
R108
R110
R111
R112
R114 R115
R116 R117
R120 R121
R124
R125
R126
R127
R128
R129
R130
R131
R132
R133
R135 R136 R137 R138
R140
R142
R143
R144
R147
R148
R149
R150
R152
R154
R155
R157
R165
R168 R169 R170
R173
R174
R178
R179
R180
R181
R182
R185
R186
R187
R188
R189
R190
R301
R315
R403
R404
R405
R406
R407
R408
R427 R428
R429
R502
R504
R506
R508
R513
R516
R528 R601
R603
R605
R607
R608
R610 R611
R612
R615
R616
R617
R618
R619
R620
R626
RY2
ZR1
CN6
D401
D404
Rdi
IC102
D602
R171
C611
D101
C101
E106
C1
C520
ZR3
CN30
CN29
CN28
C307 C308
C309
C310
C311R303
R304
R305
R306
R314
R426
C320
C321
C323
C511 C512
C513
IC301
R317 R318
R319 R320 R321
R322
R323
R517 R518
R519
R520
R521
R522
R523
CN50
E206
E605
C134
C314 C316
C318
CN25
D610
R196
RY3
C624 R602
R623
C110
C122
D407
R316
3W− 10m|??¨¤1%
R409
R410
R606
3W−
10m1%
T401
C107
E109
R175 R176
IPM301
C319
C306
C413
D103
R621
R421
IC2
C324
R122
R123
R118
C618
R628
CN15
IC105
R191
RY3A
ZR2
RC1
CN21
R1
C412
E300 E302
E303
C330 C331 C332
C333
C334
connect to the terminal
208−230V AC
power supply
connect to earth
CN60
connect to 4−way valve
when 4−way is ON, output 208−230VAC
connect to compressor heater
power supply
CN17
AC fan motor
L low speed
N ground
H high speed
CN21/CN22
exhaust temp. sensor& pipe
temp.sensor& room temp.
sensor
6 5 4 3 2 1
TP T4 T3
RT RT +5VDC RT +5VDC +5VDC
connect to Electric Expansion Valve
+12V DC pulse wave between (+1)−GND +12V DC pulse wave between (+2)−GND +12V DC pulse wave between (+3)−GND +12V DC pulse wave between (+4)−GND
+12V DC +12V DC
6 5 4 3 2 1
connect to indoor unit communication
HEAT2
connect to chassis heater
when is on, 208−230VAC OUTPUT
U
V
W
10−200VAC¡¯ (running)
0VAC (standby)
connect to the DC compressor
Test Port
Connect to PC
communication
EEPROM Programmer Port
FUSE1 20A/250VAC
Connect to DR module
U
V
W
10−200VAC¡¯ (running)
0VAC (standby)
connect to DC Motor
External driver motor
LED101 status light (Red)
slow flicker:standby
（
0.5Hz
）
quick flicker:error
（
2Hz
）
continuous light: normally running
Connect to reactor
IPM for
compressor
IGBT
FRD
when heater is ON, output 208−230V AC
BR
P
N
Fig. 28 – Sizes 09−12 208−230V