40
⚠ Warning
High Voltage:
⚡
FC1
10
T3
L3
T1
T
2
L1
L
2
COMP1
CF1
BR
BK
BK
BC1
CC1
RD
YL
BK
0140L05773-A
BR
T3
L3
T1
T
2
L1
L
2
CF2
BR
PU
PU
FC2
BR
T3
L3
T1
T
2
L1
L
2
CC2
YL
RD
BK
RD
COMP2
BL
BL
RD
T1
T2
T3
T3
T2
T1
BL
BK
BK
PU
PU
RD
RD
RD
BK
BL
BK
BL
PU
BK
BK
XS
(CLASS2)
BK
DA
BCS
OAT
ES
PS
C
S
TB1
T
1
24VAC
CFS
RSS
LDS
CO2
T
2
T
3
T
4
T
5
S
M
K
/
E
M
G
2
BK
PK
PK
GY
BL/PK
BL/PK
GY
LPS1
HPS2
YL
HPS1
LPS2
PU
BL/PK
BL/PK
YL/PK
YL/PK
YL/PK
YL/PK
PK
BK
BK
YL
PU
YL
GND
24 VAC
OAH
VOUT (DC)
GND
24VAC (COM)
24 VAC
VOUT (DC)
VOUT DC
24 VAC
IAH
GND
BI8
BI5
12
11
10
1
COM3-8
RLY8
BI1
BI2
BI3
BI4
BI7
GND
24VAC
BR
RD
COM3-8
RLY7
RLY6
RLY5
RLY4
RLY3
COM1
BL
PU
PU
(OAT)
(CFS)
(EMER)
(FAN PROV)
(HEAT 2)
(HEAT 1)
YL
BI6
(SHED)
RLY1
RLY2
COM2
(24V IN)
(ECON PWR)
(EXF)
(ALRM)
(ECON DMPR)
(OAH)
(ISOL GND)
(SPC TMP)
(CO2)
2
3
4
5
6
7
8
1
2
1
2
3
4
5
6
7
8
9
DDC (CLASS2)
(ECON FB)
C
GR
(CLASS2)
TB2
DAT
(COMP2 OUT)
(COMP1 OUT)
(COMP1 IN)
(COMP2 IN)
YL
YL
2
1
2
1
HTR PLF1
HTR PLM1
ECON
6
5
4
3
2
1
AO1
AO2
AO3
AO4
GND
GND
WH
AG
SPCTEMP
TEMP
GND
STPT OFFSET
GR
BR
BR
BK
BK
PU PU
GR
GR
BR
BR
BR
GR
BR
BR
GR
RD
RD
RD
BL
BL
BL
BL
PU
PK
PK
PU
YL
BK
RD
BK
BK
BK
BL/PK
BL/PK
PU
PU
YL
PU
PU
RD
YL
PU
BR
YL
WH
PK
WH
WH
PK
WH
BR
ALRM
-
+
EXF
-
+
GR
GR
8
7
6
5
4
3
2
1
9
AI3
AI8
AI7
AI6
AI5
AI4
AI1
AI2
AGND
AGND
10
GR
WH WH
PU
BK
PU
PK
PLF
WH
BL
BL
T
R
1
5
RD
RD
P
B
GND
BK
RD
OR
BL
PU
4
BK
YL
RD
GR GREEN
WIRE CODE
BL BLUE
PU PURPLE
PK PINK
WH WHITE
BK BLACK
RD RED
BR BROWN
OR ORANGE
YL YELLOW
GY GRAY
-t°
3
BAC NET
3
T-
2
1
(BAC
NET)
R+
SH
BLOWER CONTACTOR
BC
COMPRESSOR CONTACTOR
COMPRESSOR
ECONOMIZER
HIGH PRESSURE SWITCH
POWER DISTRIBUTION BLOCK
FEMALE PLUG/CONNECTOR
TERMINAL BLOCK (24V SIGNAL)
CC
COMP
ECON
HPS
PB
PLF
TB
COMPONENT LEGEND
CIRCUIT BREAKER
CB
TR
GND
BCS
BLOWER CURRENT SWITCH
BM
BLOWER MOTOR
CFS
CLOGGED FILTER SWITCH
CF
CONDENSER FAN
DAT
DISCHARGE AIR TEMPERATURE SENSOR
DDC
DIRECT DIGITAL CONTROL
CO2
CARBON DIOXIDE SENSOR
FC
FAN CAPACITOR
EQUIPMENT GROUND
GV
GAS VALVE
EXF
EXHAUST FAN
IAH
INDOOR AIR HUMIDITY SENSOR
LOW PRESSURE SWITCH
LPS
RSS
REMOTE START/STOP
OAT
OUTDOOR AIR TEMPERATURE SENSOR
OAH
OUTDOOR AIR HUMIDITY SENSOR
LDS
LOAD SHEDDING
SPC
TEMP
SPACE TEMPERATURE SENSOR
TRANSFORMER
YL/PK YELLOW WITH
PINK STRIPE
BL/PK BLUE WITH
PINK STRIPE
+
-
HGRH
BL
BR
OR
BK
ALRM
ALARM
HGRH
HOT GAS REHEAT
SMK
SMOKE DETECTOR
BL
BL
PU
PU
GR
GR
BK
BK
BK
GR
L1
L2
L3
LINE
VOLTAGE
BL
BL
BL
BL
BL
RD
I
I
C
PS
A
L
S
LS
RS
1ST STG
COM
GV
FS
VMR
RD
RD
RD
3A
24 VAC PWR
1
2
3
4
5
6
8
24 VAC COM
GV OUT
TMP LMT OUT
TMP LMT IN
PRESS SW IN
PRESS SW OUT
HEAT IN
FLAME SENSE
PU
PU
24 VAC
PWR
L1
L1
RD
RD
RD
YL
L2
L2
L2
L2
BL
PK
YL
PU
BL
BR
GY
GY
BL
D1
BL
PK
PK
PK
BL
PU
BL
2ND STG
24 VAC
COM
VENT MTR
F1
F1
HEAT
BK
PK
WH
YL
6
5
4
3
2
1
BR
WH
WH
BL
BL
BL
GY
YL
BL
BL
BK
WH
BK
BR
WH
BK
BR
BR
BR
BR
BR
BR
BR
BR
WH
BR
BR
WH
BR
WH
WH
BK
BK
BK
BK
BK
BK
WH
WH
BK
BK
PU
BK
PK
PK
HIGH VOLTAGE
FIELD WIRING
LOW VOLTAGE
FACTORY WIRING
OPTIONAL LOW VOLTAGE
PK
RD
RD
RD
PK
PK
BL
RD
VM
WH
3
1
VMR
OR
ALS
AUXILIARY LIMIT SWITCH
IIC
INTIGRATED IGNITION CONTROL
LS
LIMIT SWITCH
PS
PRESSURE SWITCH
RS
ROLL-OUT SWITCH
FS
FLAME SENSE
VM
VENT MOTOR
VMR
VENT MOTOR RELAY
IIC
UNUSED
BR
BR
BR
WH
BL
2
4
V
C
N
T
L
V
O
L
T
A
G
E
OR
RD
L
I
N
E
V
O
L
T
A
G
E
OR
BK
RD
BK
BK
RD
OR
BK
RD
RD
BK
OR
OR
RD
RD
OR
OR
RD
L3
OR
RD
OR
BL
BL
BK
RD
L2
L1
RD
RD
RD
BK
BK
HIGH VOLTAGE
LOW VOLTAGE
OR
POWER & CONTROL WIRING DIAGRAM
DCG(090-102) ***(3)V
DDC
RD
BK
WH
BR
RD
OR
RD
6
6
BL
NOTES:
1. REPLACEMENT WIRE MUST BE SAME SIZE AND TYPE
OF INSULATION AS ORIGINAL (AT LEAST 105° C).
USE COPPER CONDUCTORS ONLY.
USE N.E.C. CLASS 2 WIRE FOR ALL LOW VOLTAGE
FIELD CONNECTIONS.
IF OPTIONAL SMOKE DETECTOR IS INSTALLED,
REMOVE RED JUMPER WIRE CONNECTIONS
TB1-XS TO TB1-ES.
DISCHARGE AIR TEMPERATURE SENSOR SHIPPED
WITH UNIT IN CONTROL BOX. INSTALL AND CONNECT
PER THE ATTACHED INSTRUCTIONS/WIRING DIAGRAM.
IF OPTIONAL ECONOMIZER IS INSTALLED, CONNECT
ECON PLF TO ECONOMIZER. ECONOMIZER PLUG LOCATED
IN THE RETURN AIR COMPARTMENT.
TR1 PRIMARY (HIGH VOLTAGE) CONNECTIONS: RED WIRE
CONNECTED TO 240V TAP AT THE FACTORY.FOR 208V
SUPPLY POWER, MOVE RED WIRE FROM 240V TAP TO THE
208V TAP.
VM WIRED FOR 230V SUPPLY POWER. FOR 208V SUPPLY
POWER, DISCONNECT THE RED VM WIRE FROM CC1-L2
TERMINAL. CONNECT THE RED WIRE REMOVED FROM CC1-L2
TO IIC UNUSED TERMINAL, THEN DISCONNECT BLACK WIRE
FROM IIC-UNUSED AND CONNECT TO CC1-L1.
2
3
4
5
6
BK
BR
RD
WH
T3
L3
T1
T
2
L1
L
2
BL
BL
BL
BL
RD
RD
BC2
BR
BR
BL
BL
BL
BK
BM
GY
BL
YL
BL
BL
YL
YL
YL
OR
RD
BK
BK
BK
BK
BL
OR
RD
BK
BK
RD
BK
RD
OR
OR
RD
OR
BR
BR
BL
OR
(SUPPLY AIR TMP)
(RMT STRT/STP)
(MOD HGRH)
(SPC HUM)
(COMP PRESS 1)
(BLOWER STAGE 1)
(COMP PRESS 2)
(BLOWER STAGE 2)
(SPC SLIDE ADJ)
OPTIONAL ACCESSORIES
OR FIELD SUPPLIED
COMPONENTS
GY
RD
YL
PU
YL
PU
PK
PLM
MALE PLUG/CONNECTOR
-t°
RD
OR
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