82
WIRING DIAGRAMS
HIGH VOLTAGE!
DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS
UNIT. MULTIPLE POWER SOURCES MAY BE PRESENT. FAILURE TO
DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH.
208
OFF
HEAT
COOL
ON
R
Y
G
W2
AUTO
E
C
AUTO
1
2
5
S
R
C
COMP
START CAP
RUN CAP
START RELAY
FAN MOTOR
Fan Relay
on PC Board
Hard Start components not used on all models.
CC
T1
L1
L2
HI
MED HI
LO
CAP
ACB
M LO
CB
CB
O
COOLING
RELAY
ELECTRIC
HEAT
RELAY
OL
CB
CB
CB
CB
208/230-60-1
CC
DT
RS
DEFROST
CONTROL
A
B
B
A
T
E
S
T
60
90
30
Y
COM
PS2
PS1
DF
OUT
O
FAN
C
G
Y
R
W
O
G
R
FUSE
COOLING
RELAY
208/230-60-1
PS
HE
A
T
E
R
SEQ 1
W2
W
R
Y
G
C
O
ATK
W1
PHB/PHD using ATK to control
2nd stage (3rd,4th bank) of
electric heat.
SEQ 2
Pressure Switches not
used on all models.
HE 4
SEQ 2
OL
SEQ 2
HE 3
HE 1
SEQ 1
SEQ 1
SEQ 1
HE 2
OL
OL
ELECTRIC
HEAT
RELAY
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
33
19 - 21
34
28
12
10
19
28
23, 24
PHB/PHD with ATK Controling Output to 2nd Stage of Heater
WIRING DIAGRAMS
