Carrier BCC018, Installation, Start-Up And Service Instructions Manual

Page: 12 / 17

12
51302523982-
B
Models 2 X 09 / 2 X 12 W
iring Diagram Cooling Only
TB 1
GR /Y EL
BL K
W
H
T
HL
TV
BLK
* BLUE
* BR
*GR/YEL
FA
N
J1
K4 K3
K2
K1
DC RTN
FA
N
FUSE
6A
WH T
RV
S
RV
S
BR N
FC
COMP
1
TB
*B
L
U
E
PH-AC COMP
1
30VDC
Power Supply
*OR
L1 BR
*** GR/YEL
GREEN GREEN
***GREEN
1
6
5
4
3
2
T
AC 673
Relay Board
AC
IN
DC Out (+)
***RED
DC RTN (-)
DC
Out
TB
GND
H.L.T
.V
1 2 3
4 5 6
+30 VDC
HL
TV
COMP
1
RV
S
DC RTN
FA
N
2
2
GR/YEL
L1
N
* BR
* BLUE
TB 1
GR /Y EL
BL K
W
H
T
HL
TV
BLK
FA
N
J1
K4 K3
K2
K1
DC RTN
FA
N
FUSE
6A
WH T
RV
S
RV
S
BR N
COMP
1
*B
L
U
E
PH-AC
COMP
1
30VDC
Power Supply
*OR
N
B
LU
E
L1 BR
*** GR/YEL
GREEN GREEN
***GREEN
T
AC 673
Relay Board
AC
IN
DC Out (+)
***RED
DC RTN (-)
DC
Out
TB
H.L.T
.V
1 2 3 4 5 6
+30 VDC
HL
TV
COMP
1
RV
S
DC RTN
FA
N
1
GND
GND
N
N
L1
L1
DC
RTN
DC
RTN
I N D O O R U N I T
TH2
**WH
**GREEN
**RED
J12
J6J7
J8
FA
N
RV
S
COMP
.
BLK
J18
RED
K6 K5 K1 K2
STEPPER
MOT
OR
BLUE
+30V
WH
K8
K9 K7
J1
1
F
AN 1
F
AN 3
F
AN 2
J14
BLK
RED
1
3
+12V
-12V
BLK WH
RED
GREEN
BLDC
MOT
OR
J1
J5
1 3
J3
J4
TH1
T
AC 670 control
T
AC 671 Main
Board
T
AC
672 B
Motor Control
M
13
2
YEL
GR/YEL
2 3 4 6 5
TB
H.L.T
.V
1
OR
GND
**BLK
I N D O O R U N I T
TH2
**WH
**GREEN
**RED
J12
J6
J7
J8
FA
N
RV
S
COMP
.
J18
K6 K5
K1 K2
STEPPER
MOT
OR
K8 K9
K7
J1
1
J14
BLK
RED
1 3
+12V
-12V
BLK
WH RED GREEN
BLDC
MOT
OR
J1
J5
1
3
J3
J4
TH1
T
AC 670 control
T
AC 671 Main
Board
T
AC
672 B
Motor Control
M
321
YEL
GR/YEL
2 3 4 6 5
TB
H.L.T
.V
1
OR
GND
**BLK
654321
BL K
WH T
BR N
RE D
BL K
YE L/G R
WH T
BR N
RE D
FA
N
MOT
OR
*** -16
A
WG
** -14
A
WG
* -12
A
WG
ALL
OTHER WIRES 18
A
WG
- Splice - T
erminal (Unmarked)
Factory W
iring
Field Control W
iring
Field Power W
iring
CC -Compressor Capacitor COMP-Compressor FC -Fan Capacitor GND -Gr
ound
TB -T
erminal Block
BLDC - brushless DC TH 1 -Return air sensor TH 2 -Indoor coil sensor
LEGEND
N
Mains
AC Supply
L1
1
15 V
AC
2
1
CC
*B R
*B LK
*B R
*B LU E
1
COMP
.
C
S
R
CC
*B LK
*B R
*B LU E
2
COMP
.
C
S
R
*B R
GR /Y EL
R
E
D
+
3
0
V
D
C
B
LK
D
C
R
TN
Y
E
L
V
S
P
W
H
T
+
1
2
V
D
C
BLK
RED
BLUE
+30V
WH
F
AN 1
F
AN 3
F
AN 2
O U T D O O R U N I T
2
2
GR/YEL
1
1
1
- Indoor unit 1 circuit
2
- Indoor unit 2 circuit
1
1
1
2
2
2
1
FA
N
MOT
OR
FC
2 5 4 3
2 5 4 3 1 5 4 6
1 2 3 4 5 6
RED
+30VDC
BLK
DC RTN
YEL
VSP
WHT
+12VDC
1 2 3 4 5
1 2 3 4 5
N BLUE
1 2 3 4 5
1 2 3 4 5 6
1 2 3 4 5
1 5 4 6
Fig. 14 System W
iring Schematic 40BNC009, 40BNC012 F
AN COIL
WITH 38BCC018, 38BCC024 Condensing Unit