58
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.
WIRING DIAGRAMS
Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
DCH072*** 208-230/3/60 2 sp
BL/PK BLUE WITH PINK STRIP
PK PINK
YL/PK YELLOW WITH PINK STRIP
W
IRE CODE
OF OVER CURRENT PROTECTION
LINE VOLTAGE
OPTIONAL HIGH VOLTAGE
LOW VOLTAGE
RD RED
F
ACTORY WIRING
LOW VOLTAGE
BL BLUE
BK BLACK
NOT
ES:
1. REPLACEMENT WIRE MUST BE SAME SIZE AND
TYPE INSULATION AS ORIGINAL (AT LEAST 105°C)
USE COPPER CONDUCTOR ONLY.
2. USE COPPER CONDUCTORS ONLY
++ USE N.E.C. CLASS 2 WIRE
3. ECONOMIZER PLUG LOCATED IN THE RETURN AIR
COMPARTMENT. REMOVE MALE PLUG AND ATTACH
FEMALE PLUG TO THE ECONOMIZER ACCESSORY.
4. FOR 208 VOLT TRANSFORMER OPERATION MOVE
BLACK WIRE FROM TERMINAL 3 TO TERMINAL 2 ON
TRANSFORMER.
5. REMOVE JUMPER IF SMOKE DETECTOR/EMERGENCY
SHUTDOWN OR PHASE MONITOR DEVICE IS INSTALLED.
6. CRANKCASE HEATER AND CRANKCASE HEATER
SWITCH FACTORY EQUIPPED WHEN REQUIRED.
OR ORANGE
SEE UNIT RATING PLATE FOR TYPE AND SIZE
YL YELLOW
GR GREEN
WH WHITE
208-240/3/60
BR BROWN
CO
MPONENT LEGEND
FIELD WIRING
HIGH VOLTAGE
PU PURPLE
FIELD SPLICE
SWITCH (TEMP)
OPTIONAL LOW VOLTAGE
HEATER PLF
CFS
LDS
RSS
BPSW
3
24V
TR
1
BLS
HPS
3
24V
TR
1
LPS
BI1
BI2
BI3
BI 5
BI6
BI7
DFT
BI8
AI1
AI2
AI4
AI5
AI6
AI7
AI8
AGND
OAT
DAT
4
3
1
2
COM1
RL1
RL2
COM2
COM3-8
AI3
RL3
RL4
RL5
CCR1
RL6
CFC
RL7
RL8
RVC
24VAC
GND
ECON
PLF
SMK/EMG
AO1
AO2
AO3
AO4
DDC
BI4
2
2
208/240/3/60
208/240/3/60
SWITCH (PRESS.)
OVERCURRENT
PROT. DEVICE
TERMINAL
PLUG CONNECTION
FIELD GROUND
IGNITER
JUNCTION
INTERNAL TO
INTEGRATED
CONTROL
SCHEMATIC SYMBOL
SEE NOTE 5
+
-
+
-
HGRH
EXF
ALRM
+
-
0140L06358-1
OARH
CO2
SPC
TEMP
COM
SENSOR
OFFS ET
SPCRH
SEE
NOTE 4
CCR2
BCC
A
G
N
D
A
O
A
I
A
L
R
M
B
C
B
C
C
B
H
S
B
I
B
L
S
B
P
S
W
C
C
C
C
R
C
C
R
2
C
F
C
C
F
S
C
H
C
H
S
C
M
C
O
M
C
O
M
P
C
S
D
F
T
E
C
O
N
E
M
E
S
E
X
F
G
N
D
H
G
R
H
H
P
S
L
D
S
L
P
S
O
A
T
O
A
R
H
P
L
F
P
S
R
C
C
F
R
L
R
S
S
R
V
C
S
A
T
/
D
A
T
S
D
S
M
K
/
E
M
G
S
P
C
T
E
M
P
S
P
C
R
H
T
B
1
-
2
T
B
1
-
T
3
T
R
1
-
2
X
S
D
C
G
R
O
U
N
D
F
O
R
A
N
A
L
O
G
S
E
N
S
O
R
S
(
"
A
G
"
O
N
T
B
2
)
4
A
N
A
L
O
G
O
U
T
P
U
T
S
8
A
N
A
L
O
G
I
N
P
U
T
S
A
L
A
R
M
B
L
O
W
E
R
C
O
N
T
A
C
T
O
R
B
L
O
W
E
R
C
O
N
T
A
C
T
O
R
B
L
O
W
E
R
H
I
G
H
S
P
E
E
D
8
B
I
N
A
R
Y
I
N
P
U
T
S
B
L
O
W
E
R
L
O
W
S
P
E
E
D
B
L
O
W
E
R
P
R
O
V
I
N
G
S
W
I
T
C
H
C
O
M
P
R
E
S
S
O
R
C
O
N
T
A
C
T
O
R
C
O
M
P
R
E
S
S
O
R
C
O
N
T
A
C
T
O
R
R
E
L
A
Y
C
O
M
P
R
E
S
S
O
R
2
N
D
S
T
A
G
E
R
E
L
A
Y
C
O
N
D
E
N
S
E
R
F
A
N
C
O
I
L
C
L
O
G
G
E
D
F
I
L
T
E
R
S
W
I
T
C
H
C
R
A
N
K
C
A
S
E
H
E
A
T
E
R
C
R
A
N
K
C
A
S
E
H
E
A
T
E
R
S
W
I
T
C
H
C
O
N
D
E
N
S
E
R
M
O
T
O
R
C
O
M
M
O
N
(
"
C
"
O
N
T
B
2
)
C
O
M
P
R
E
S
S
O
R
C
O
M
1
A
N
D
S
M
O
K
E
D
E
T
E
C
T
O
R
D
E
F
R
O
S
T
T
H
E
R
M
O
S
T
A
T
E
C
O
N
O
M
I
Z
E
R
E
V
A
P
O
R
A
T
O
R
M
O
T
O
R
E
C
O
N
C
O
M
3
-
8
A
N
D
S
M
O
K
E
D
E
T
E
C
T
O
R
E
X
H
A
U
S
T
F
A
N
E
Q
U
I
P
M
E
N
T
G
R
O
U
N
D
H
O
T
G
A
S
R
E
H
E
A
T
H
I
G
H
P
R
E
S
S
U
R
E
S
W
I
T
C
H
L
O
A
D
S
H
E
D
D
I
N
G
L
O
W
P
R
E
S
S
U
R
E
S
W
I
T
C
H
O
U
T
D
O
O
R
A
I
R
T
E
M
P
E
R
A
T
U
R
E
O
U
T
D
O
O
R
A
I
R
R
E
L
A
T
I
V
E
H
U
M
I
D
I
T
Y
F
E
M
A
L
E
P
L
U
G
/
C
O
N
N
E
C
T
O
R
H
P
S
,
L
P
S
&
S
M
O
K
E
D
E
T
E
C
T
O
R
R
U
N
C
A
P
A
C
I
T
O
R
F
O
R
C
O
N
D
E
N
S
E
R
F
A
N
R
E
L
A
Y
R
E
M
O
T
E
S
T
A
R
T
S
T
O
P
R
E
V
E
R
S
I
N
G
V
A
L
V
E
C
O
I
L
S
U
P
P
L
Y
/
D
I
S
C
H
A
R
G
E
A
I
R
T
E
M
P
E
R
A
T
U
R
E
S
M
O
K
E
D
E
T
E
C
T
O
R
S
M
O
K
E
O
R
E
M
E
R
G
E
N
C
Y
S
H
U
T
D
O
W
N
S
P
A
C
E
T
E
M
P
E
R
A
T
U
R
E
S
P
A
C
E
R
E
L
A
T
I
V
E
H
U
M
I
D
I
T
Y
T
E
R
M
I
N
A
L
B
L
O
C
K
(
2
4
V
S
I
G
N
A
L
)
P
H
A
S
E
M
O
N
I
T
O
R
T
E
R
M
I
N
A
L
B
L
O
C
K
(
P
M
)
T
R
A
N
S
F
O
R
M
E
R
2
4
V
A
C
T
R
A
N
S
F
O
R
M
E
R
&
S
M
O
K
E
D
E
T
E
C
T
O
R
F
C
L2
T1
COMP
T2
CM
EM
L1
CC
T3
BLS
BC
BLS
CC
CC
RCCF
SEE NOTE 2
SUPPLY VOLTAGE
208-240V/3/60
BC
BLS
BC
L3
CH
S
EE NOTE 6
CHS
4
56
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