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T--298
4-4
LEGEND
RVC
PLUG CONNECTS TO CEILING UNIT.
SEE DIAGRAM SUPPLIED WITH
CEILING UNIT FOR ADDITIONAL
WIRING.
CN
CN
C
F
H
OLP :OVERLOAD PROTECTOR
PTC :START THERMISTOR
RVC :REVERSING VALVE COIL
CN :HOUSING CONNECTOR
ODA Th :OUTDOOR AIR THERMISTOR
ODC T h :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
33
2
1
7
6
5
4
3
2
111
22
33
44
55
66
7
888
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
BLUBLU
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.)
(115VACHIGHVOLT.)
FIELD WIRING
FIELD WIRING
LEGEND
NOTE
CONTROL PCB
POWER PCB ASS’Y
ASS’Y
2
2
4
4
CN9
DISPLA Y PCB AS
CN9
1
1
3
3
576
578
8
6
CN1
CN6
CN5
CN6
CN4
CN4
CN1
CN2
CN3CN5
K1
K4K3
K7
K2
K6
11
11
2
22
22
1
33
34
41221
Y
L
N2
N1
12
RA T h
BRN
BLK
IDC Th
IDC Th: INDOOR COIL THERMISTER
RA Th: ROOM AIR THERMISTER
ODC T h: OUTDOOR COIL THERMISTER
RVC: REVERSING VALVE COIL
D1: DIODE
K: RELAY
Figure 4--9 Heat Pump -- Ceiling Unit -- Ducted