Carrier T--298 - Manual (Page 46)

T--298 4-4
LEGEND
RVC
P
L
UG
CONNE
CT
S
T
O
C
E
IL
ING
UNI
T
.
SEE
D
IAG
R
A
M
S
U
PPL
IED
W
ITH
CE
IL
IN
G
UNI
T
F
OR
A
DDI
T
IONA
L
W
IRI
NG.
CN
CN
C
F
H
OLP :OVERLOAD PROTECTOR
PTC :START THERMISTOR
RVC :REVERSING VALVE COIL
CN :HOUSING CONNECTOR
ODA Th :OUTDOOR AIR THERMISTOR
ODC Th :OUTDOOR COIL THERMISTOR
BLK BLK
BLK(BLU)
CONTROL
BOX
EVAP.
BLU
RED RED
BRN
BLU
WHT
GRN/YEL
GRN/YEL
WHT
WHT
BLK
BRN
BRN
1
(3)
2
CAPACITOR
YEL
YEL
RED OLP
(IF USED)
BLU
BLU RED
PTC
COMPRESSOR
R
C
S
FAN MOTOR
ODC Th
ODA Th
1
2
3
1
2
3
4
1
2
1
2
1
2
3
5
6
Figure 4--8 Heat Pump -- Upper Unit -- Ducted
ODC ODA RVC MOTOR COMPRESSOR
FUSE D1
250V 3.15A 3
3
3 3
2
1
7
6
5
4
3
2
1 1 1
2 2
3 3
4 4
5 5
6 6
7
8 8 8
7
1
1
1
2
2
2
1
2
3
4
FURNACE SIGNAL
12VDC POWER
(--)
(+)
115VAC POWER
BLK
WHT BLK
BLK
GRN/YEL
RED
BLU
BLK
RED
BRN
GRN/YEL
WHT BLK
WHT
BLU BLU BLU
BLK
RED
PLUG CONNECTS TO UPPER UNIT.
SEE DIAGRAM SUPPLIED WITH UPPER UNIT
FOR ADDITIONAL WIRING.
ODA Th :OUTDOOR AIR THERMISTOR
*
*
*
FACTORY WIRING
(12VDC LOW VOLT.)
(115VAC HIGH VOLT.)
FIELD WIRING
FIELD WIRING
LEGEND
NOTE
CONTROL PCB
POWER PCB ASS’Y
ASS’Y
2
2
4
4
CN9
DISPLAY PCB AS
CN9
1
1
3
3
5 7 6
5 7 8
8
6
CN1
CN6
CN5
CN6
CN4 CN4
CN1
CN2
CN3 CN5
K1 K4 K3 K7 K2
K6
1 1
1 1
2
2 2
2 2
1
3 3
3 4
4 1 2 2 1
Y
L
N2
N1
1 2
RA Th
BRN
BLK
IDC Th
IDC Th: INDOOR COIL THERMISTER
RA Th: ROOM AIR THERMISTER
ODC Th: OUTDOOR COIL THERMISTER
RVC: REVERSING VALVE COIL
D1: DIODE
K: RELAY
Figure 4--9 Heat Pump -- Ceiling Unit -- Ducted