75
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.
PHB42, 48
YL YELLOW
OR ORANGE
VT VIOLET
GN GREEN
BK BLACK
BR BROWN
WH WHITE
BU BLUE
GY GRAY
RD RED
COLOR CODE
LOW VOLTAGE
LOW VOLTAGE FIELD
HI VOLTAGE
HI VOLTAGE FIELD
20234301 REV 1
R
S
C
FAN
COM
HERM
CAP
T1
T2
COMP
OD
FAN
CC
WARNING:DISCONNECT POWER BEFORE SERVICING.
USE COPPER CONDUCTORS ONLY
COMPRESSOR
1ø WIRING
O.D.
FAN
MOTOR
COM
208
230
LOAD
LINE
TRANSFORMER
CS
R
FIELD CONNECTION
208/230 VAC 1ø
L1
GND
L2
AIR
CIRCULATION
BLOWER
(ACB)
CAPACITOR
(CAP)
L1(CAP
208/230 VAC 1ø
FOR PROPER OPERATION ON 208 VOLT THE
FOLLOWING CHANGE MUST BE MADE:
208 VOLT INSTALLATION
MOVE RD6 WIRE FROM TRANSFORMER
230 TERMINAL TO 208 TERMINAL.
VT-14(COMMON)
RD-24(COOL)
BU-23(HEAT)
VT
20
RD
10
BR
BR
4
3
2
1
5
6
O
OUT
DF
PS1
PS2
P
S
1
COMMON
Y
FAN
C
R
W
O
Y
2
1
A
B
B
A
R
G
G
CONTACTOR
1
2
3
5
4
REVERSING
SOLENOID
(RS)
DEFROST
THERMOSTAT
(DT)
PIN 1
PIN 2
PIN 3
PIN 4
PIN 5
PIN 6
PIN 7
PIN 8
PIN 9
YL-5
GY-70
TO
HEATER
KIT
SEE
DETAIL 1
TEST
60
DETAIL 1
HEATCRAFT
ADJUSTABLE DEFROST INTERVAL
(FACTORY SETTING AS SHOWN)
30
90
BU-34
GY-70
RD-13
BR-21
OR-49
YL-27
BU-34
RD-13
BR-21
OR-49
YL-27
VT-18
BK-26
C
C
D
T
R
S
DEFROST
CONTROL
A
B
B
A
T
E
S
T
6
0
9
0
3
0
Y
C
O
M
P
S
2
P
S
1
D
F
O
U
T
O
F
A
N
Y
O
W
R
C
G
COM
FAN HERM
CAPACITOR
YL
12
VT-16
BK-27
BR-11
GND
L2T2
L1T1
DEFROST
CONTROL
ELECTRIC
HEAT
RELAY
COOLING
SWITCH
RELAY
DIAGNOSTICS
LED 1 LED 2
NORMAL
OPERATION
SHORT
CYCLE
OPEN
PRESSURE
SWITCH
LOCKOUT
BOARD
FAILURE
BOTH
FLASHING
ALTERNATE
FLASHING
OFF ON
ON OFF
ON ON
FUSE
RD-11
W1
G
EC
R
WOY
ELECTRIC
HEAT RELAY
G
R
F
U
S
E
COOLING
SWITCH
RELAY
24V
COMMON
CAP
L2
START
CAP
521
START
RELAY
HI
MED
LO
CAP
2
4
1
3
COOLING
TAP
5
HEAT
TAP
ACB
230 VOLT
COOLING
SWITCH
RELAY
VT-7
RD-6
GY-9
GY-9
RD-33
RD-2
VT-62
RD-31
RD-27
OR
28
GY
55
GY-8
BK-19
BK-20
BK-24
BK-13
230/208
VT-14
GY-9
GY-8
VT
62
RD
31
VT-20
RD-10
VT-62
BU
23
RD
31
VT-16
BK-26
VT-18
RD-24
BU-23
TO HEATER KIT
DIAGNOSTICS
LED
ELECTRIC
HEAT
RELAY
W2
USE COPPER
CONDUCTORS
ONLY-
75°C MIN
COM MON
HI
MED
LOW
HEATER
KIT
YL/BK
LOW PRESSURE
SWITCH (LPS)
RD-27
L
P
S
MODEL
NUMBER
PHB42C02E
PHB48C02E MED
LOW
COOLING
BLOWER
SPEED
TAP
ELECTRIC HEAT BLOWER TAP
PHCB07C1
DOWN HORIZ
LOW
MED
DOWN HORIZ
PHCB10C1
DOWN HORIZ
PHCB15C1
DOWN HORIZ
PHCB20C1
LOW
MED
LOW
MED
LOW
MED
LOW
MED
LOW
MED
MED
HI
MED
HI
RD
BK
GN
ALTERNATE UNIT POWER REFRIGERANT
LEADS MAY BE USED WITH ELECTRIC
HEATER ACCESSORIES. SEE HEATER
ACCESSORY INSTALLATION INSTRUCTIONS.
321
65
987
4
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