Pcb Diagrams - Carrier 38MHRB series Service Manual

PCB DIAGRAMS

bridge
IPM for compressor
BR
FRD
R189
IGBT
DZ304 DZ303
C316
IPM for
compressor
connect to the DC compressor
10−200VAC¡¯ (running)
E2
AC
ZR4
C5
R253
0.75 ¦,/1W
R254
0.75 ¦,/1W
E1
D610
DZ601
R605
D406
E304
DZ304 DZ303 DZ302 DZ301
R618 C612
E208 3W−10m¦,¡À1% R616 C611 C615
R617
R615
R607
C324 R304
R623
R305 C319
E206
R612
R611R610
R608
C309
R626 C605
C316 C314 R187
C302
C311
R303
C312 C606
R306
R314
R315
R323
E605
E602
R102
IPM301
W
C321
BLACK IC301
CN28
C512
C511
R519 R521
RED
V
CN29
CN50
U
CN30
BLUE
connect to PC
W V U
communication
Fig. 27 – Size 12 115V
LED101 status light (Red)
slow flicker:standby（ 0.5Hz ）
Connect to reactor
2Hz ）
quick flicker:error（
continuous light: normally running
C9
CN9
C5
ZR4
BR1
CN32
CN11
DR_L
C696 R696
L601
P
ZR3
R606
E2
N
Q601
ON SW2
R191 IC404 R405
ON R408
C408
D610 1 2 3 4
DZ601 R403
3
R605
C334 E304 1 2 LED101 4
D406 C333
DZ302 DZ301 E208 R156
R618 C612 E109 R421 R406
C611 C615
3W− 10m|??¨¤1% R616 R155 C121
R154
E105 C120 R407
C405
R617
R301 R152
C324 R304 R615
R623 R305 R150
R607 C614
E206
R409
R612
R611 R608 R610 E410
R626 C605 R174 C125
C127
IC602 R181
R180
C128
C10 R188 C126
C314
D103 C606 C130
C129 C118
C302 R186 C131
C311 R303 C322
R185 E409 D404
C312 R187 C513
R306
R314 IC101
R315
C132
R149
R323 C112 R148
E605
R147 C404
C116
1
E602
C113
R103 R108 C106 C135
R102 C101 C618
R125
R106
R628 OSC101 R124
IPM301 R127
R126
C102
IC102
C321 IC301 R140
R142
C103
R143
R105 R107 E101 C115
C104 C105
W
D101
C511 C512
E405
R519 R521 IC103
R123
V
E103 R196 R144
CN50
1 1
U
R122
CN507 CN505
CN30
KFR−35W/BP3N1−(RX62T+41560).D.13.WP2−1
BLUE
Connect to PC
EEPROM Programmer Port
communication
W
0VAC (standby) V
U
Fig. 28 – Sizes 09−12 208−230V
connect to PFC Capacitor
when is on, 100−130V AC
output
US− KFR− 35W/BP3N1− (115V+RX62T+41560).D.13.WP2− 1
C3 L5 L4 L3 L2
C9A
C1
C4
RY1
P
C2
L1
C10
C11
C7 R2
R21
E3
Comment
Comment
IC1
IC2
Q101
R131
R132
R130
R128
C16
R191
SW2 RY2
ON
IC404 R405 +
ON R408
C408
R410
R401
RY4
3 4
1 2
IC401 D401
R403
3 IC403 C401 IC105
1 2 LED101 4 C402 +
R156
E109 R421 R406 E401
D402
R155 C121 C412
E105 R154
C120 R407
C405
R301 R152
R150
C614 R409
7805
E410
C125
T401
C127
R181
R180
C128
C126
R188
C130
C129
C131
C322
E409
C513 D404
C118
+
D407
R523
C132
IC101
R149
E102
C112 R148
C409 C413
R147 C404
D403
1 C116
DZ204 C274
C106 C113
R103 R108 C135
C101 C618
R106 R125
OSC101 R124
R628
R127
C102 R126
IC102
R140
R142
E283
E404
C103 E407
R105 E101 R143
R107 C115 E405
C104 R506
C105 R504 R508
D101
R502
R196 Rdi R516
E103 IC103
C271
R123
DZ201
R144
+
1
R122
1 +
1
CN507 CN505
CN6
TESTPORT
C520
[1.6] 2015−09−30
17122000019195
EEPROM Programmer Test Port
Port
Connect to DR module
FUSE1 20A/250VAC
CN10 17122000002718 CN1A
C4 DR_N
L5L4L3L2 DAS1
CN3_1
C1 ZR5
CN3
C2
CN1
ZR2
ZR1
CN2
CN16
S
C3
C11 L1
T20A/250V AC
E1 C110
FUSE1 C6
R129 R3 R21 R23
C122 IC1
RC1
R133
D2 D1
PTC1
RY1
IC2
R1
R195
RY5
Q101
R131
R130
RC2
C16
HEAT2
RY2 RC3
RY4
N
R401
R410
IC401 D401 C401
IC403 H
+
C402
E401 RY3A
D402
T401 L
C134
C412 IC105
RY3 C8
IC104
CN31
IC405 TP CN21 T4 CN22
+
D407 T3
7805
E102
C409 C413
E106 E108
D403
DZ204 C274
R173
E107
E407
E283
E404
R506
Rdi Low−Fre
R504 R508
Have NO
YES
No R502
Rdi R516
DZ203
C271
DZ201 C272
R112
CN6 TESTPORT R111 C273
+
+ DZ202 + E282
+
C520 E280 E281
[1.8] 2015−12−31
Test Port
25
connect to reactor
when is on, 100−130V AC output
CAP
CN4_1 CN4_2
CN4_3 C N4_4
connect to
CN3
Ground
REACTOR connect to N−line
DSA1 ZR2
(100−130VAC INPUT)
CN1
CN2
connect to L−line
ZR1
(100−130VAC INPUT)
ZR5 CN16
connect to indoor unit
T20A/250V AC
FUSE1
communication
RC1
C6 D1 connect to compressor heater
R23
+
when is on, 100−130V AC output
D2
R1
connect to 4−way Valve
RY5
when is on, 100−130VAC OUTPUT
RC2
AC fan motor
FAN Starting Capacitor
5
N line
4
RY3A 3
L high speed
IN OUT 2
low speed
~ ~
1
− + FAN Starting Capacitor
AC
C134
RY3 C8
IC104
connect to chassis heater
C117
when is on, 100−130VAC OUTPUT
IC405
CN21
TP T4 T3
E106
E108 pipe temp.sensor& room temp.
E107
sensor&Exaust temp. sensor
PMV
CN31
connect to Electric Expansion Valve
DZ203
connect to DC Motor
W
C272
V 0VAC (standby)
C273
U
10− 230VAC¡¯ (running)
E282
+
E280
DZ202
+
E281
IPM for DC FAN
power supply
connect to earth
power supply
208−230V AC
connect to the terminal
connect to indoor unit communication
CN17
connect to compressor heater
when heater is ON, output 208−230V AC
CN60
connect to 4−way valve
when 4−way is ON, output 208−230VAC
HEAT2
connect to chassis heater
when is on, 208−230VAC OUTPUT
N ground
AC fan motor
H high speed
L low speed
6 5 4 3 2 1
connect to Electric Expansion Valve
TP T4 T3
CN21/CN22
6 5 4 3 2 1
exhaust temp. sensor& pipe
temp.sensor& room temp.
sensor
External driver motor
W
connect to DC Motor
V
0VAC (standby)
U
10−200VAC¡¯ (running)
TP T4 T3
6 5 4 3 2 1
+12V DC
+12V DC
+12V DC pulse wave between (+4)−GND
+12V DC pulse wave between (+2)−GND
+12V DC pulse wave between (+3)−GND
+12V DC pulse wave between (+1)−GND