54
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.
DCH036/DCH048/DCH060/DCH072*** [460V,575V/3/60] B***
6
HEATER
PLF
CFS
LDS
RSS
BPSW
3
24V
TR
1
BCC/BLS
HPS
3
24V
TR
1
LPS
BI1
BI2
BI3
BI5
BI6
BI7
DFT
BI8
AI1
AI2
AI4
AI5
AI6
AI7
AI8
AGND
4
31
2
COM1
RL1
RL2
COM2
COM3-8
AI3
RL3
RL4
RL5
CCR1
RL6
CFC
RL7
RL8
RVC
24VAC
GND
ECON
PLF
SMK/E MG
AO1
AO2
AO3
AO4
DDC
L2
T1
COMP
T2
SUPPLY VOLTAGE
CM
EM
L1
CC
T3
BC
460-575/3/60
BC
BC
CC
CC
RCCF
BI4
2 2
0140L05137-B
1
CHR
3
CH
SEE NOTE 6
CHR
CHS
460/575/3/60
460/575/3/60
460-575/3/60
BL/PK BLUE WITH PINK STRIP
PK PINK
YL/PK YELL OW WITH PINK STRIP
W
IRE CODE
LINE VOLTAGE
OPTIONAL HIGH VOLTAGE
LOW VOLTAGE
RD RED
F
ACTORY WIRING
LOW VOLTAGE
BL BLUE
BK BLACK
N
OTES:
1. REPL ACEMENT WIRE MUST BE SA ME 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 P LUG TO THE ECONOMIZER ACCESSORY.
4. FOR 460 VO LT TRANSFORMER OPERATION MOVE
BLACK WIRE FROM TERMINAL 3 TO TERMINAL 2 ON
TRANSFORMER.
5. REMOVE JUMPER IF SMOKE DETECTOR OR EMERGENCY
SHUTDOWN DEVICE IS INSTALLE D.
6. CRANKCASE HEATER AND CRANKCASE HEATER
SWITCH FACTORY EQUIPPED WHEN REQUIRED.
OR ORANGE
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
F
S
C
H
C
H
R
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
M
K
/
E
M
G
S
P
C
T
E
M
P
S
P
C
R
H
T
1
-
T
5
T
B
1
-
2
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
C
O
I
L
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
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
R
E
L
A
Y
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
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
M
O
T
O
R
S
P
E
E
D
T
A
P
S
1
-
5
(
D
R
T
E
C
T
D
R
I
V
E
N
M
O
T
O
R
O
N
L
Y
T
E
R
M
I
N
A
L
B
L
O
C
K
(
2
4
V
S
I
G
N
A
L
)
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
SEE UNIT RATING PLATE FOR
TYPE AND SIZE OF OVER
CURRENT PROTECTION
YL YELLOW
GR GREEN
WH WHITE
BR BROWN
C
OMPONENT LEGEND
FIELD WIRING
HIGH VOLTAGE
PU PURPLE
FIELD SPLI CE
SWITCH (TEMP)
OPTIONAL LOW VOLTAGE
SWITCH (PRESS.)
OVERCURRENT
PROT. DEVICE
TERMINAL
PLUG CONNECTION
FIELD GROUND
IGNITER
JUNCTION
INTERNAL TO
INTEGRATED
CONTROL
SCHEMATIC SYMBOL
SEE NOTE 5
SEE NOTE 6
DAT
OAT
F
C
+
-
+
-
HGRH
EXF
ALRM
+
-
L3
OARH
CO2
SPC
TEMP
COM
SENSOR
OFFSET
SPCRH
SEE NOTE 2
SEE NOTE 4
54
To Next Page
Loading...
Need help?
General