17
ESL
IFM TDR
CONTROL
LOGIC
R
R
I
SPT
NO
NC
VIO
RED
RED
C
BRN
BLK
BLK
BRN
BRN
3 PHASE ONLY
DD IFM
C
BRN
10
9
8
7
6
5
4
3
2
1
DDC
1
6
5
4
3
2
7
DDC
X
THERMO-
STAT
C
G
W2
W1
Y2
Y1
R
1
2
3
4
5
6
7
8
9
4
6
8
9
7
5
3
10
10
2
1
ECON
1
2
3
4
SAT/
OAT
BLU
YEL
BLK
RED
1
2
3
4
5
6
4
6
5
3
2
1
CLO1/
COMP1
BRN
VIO
BLU
1
2
3
PMR
1
2
3
4
5
6
7
8
4
6
8
7
5
3
2
1
CONTL
BOARD
WHT
ORN
BRN
BRN
BLK
RED
9
9
RED
DDC
1
2
3
4
5
6
CLO2/
COMP2
7
REMOTE
SHUTDOWN
UNIT
SHUTDOWN
SMOKE
SHUTDOWN
24V OUT
C
SMOKE
ALARM
JMP4
JMP3
JMP1
OCCUPANCY
JMP2
R
JMP6
GRA
GRA
GRA
PNK
BRN
RED
GRA
GRA
PNK
PNK
VIO
BRN
ORN
RED
1
PNK
2
VIO
3
BRN
4
ORN
1
6
5
4
3
2
7
REHEAT
8
JMP5
JMP7
C
BLU
GRA
10
10
RED
11
11
RED
12
12
DDC
PNK
T'STAT
4
5
3
2
1
6
8
9
7
10
4
6
7
5
3
2
1
BRN
GRN
PNK
ORN
YEL
BLU
WHT
BLU
FIELD
CONTROL
WIRING
HPS1
LPS1
CKT 1
LPS
BLU
BLU
HPS
BLK
BLK
CKT2
HPS2
LPS2
C
ORN
COFS (FIOP)
BLU
BLU
BLU
RED
BRN
DDC
ONLY
BRN
RED
BRN
COFS
BRN
LCTB-C
RED
LOGIC
BRN
COFS(FIOP)
(SEE NOTE 1)
CTB
C
48HC500010
TRAN
24V
BRN
GRA
C
BRN
BRN
CLO1 TERM BD
3
RED
FROM POWER SCHEMATIC
24V
GRN/YEL
48LC CONTROL 208/230V,460V,575V 3-5 TON
BRN
TRAN
BRN
CONTROL BD
24V
5
SEE
POWER
LABEL
1PH IFM ONLY
CB
3.2 AMPS
ORN BLU
RED
BRN
WHT
GRA
GRA
YEL
PNK
RED
GRA
BRN
FOR FIELD USE
RED
PNK
BRN
COM
24V
CONT
PMR
FIOP/ACCY
DDC
OPTIONS
ONLY
RED
BRN
IDMR
VIO BRN
575V ONLY
BRN
575V ONLY
BLK
VIO
VIO
GRA
BRN
THRU STANDOFF
GROUNDED
CR
BR
IGC
HS
LS
1 3
BLU
BLU
RS
13
GVR
CR
BR
L1
BM
RT
C
CM
123
J1
FAN
LOGIC
SAFETY
LOGIC
HV
TRAN
GVR
J2
W
IFO
G
R
RS
RS
LS
LS
CS
CS
GV
YEL
GV
FS
C
GRN/YEL
MGV
12
3
BLK
FLAME SENSOR
GRN/YEL
I
YEL
BLK
ORN
WHT
RED
BRN
C
MGV
M
M
H
C
TWO STAGE
GRA
SINGLE STAGE
PNK
ORN
BLU
BLU
RED
575V
ONLY
VIO (208,230V)
BLK (460)
CCHTS
460/575V ONLY
CCHR
TDR BD
3
RED
NOTES:
1. TERMINAL BOARD SCHEMATIC LAYOUT DOES NOT MATCH ACTUAL TERMINAL BOARD
TO SIMPLIFY CIRCUIT TRACES.
2. ENSURE DESIGNATED JUMPERS ON TERMINAL BOARD ARE CUT WHEN ADDING SMOKE
DETECTORS, PHASE LOSS RELAY, OCCUPANCY AND REMOTE SHUTDOWN.
3. COMPRESSOR LOADER PLUG
CONTAINS BRIDGE RECTIFIER
TO CONVERT AC TO DC.
4. FACTORY WIRING FOR SIGNAL
CONNECTIONS: LO=1 HI=2,
RELOCATION OF SIGNAL CONNECTION
MAY BE REQUIRED WHEN USING
FIELD INSTALLED ACCESSORIES -
CONSULT INSTALLATION
INSTRUCTIONS FOR PROPER
SELECTION.
5. WITH DDC OPTION THERE WILL
BE WIRES IN PINS 6, 7, AND 8.
6. FOR HIGH SPEED BLOWER
TESTING, CONNECT YELLOW AND
AND WHITE WIRES. DISCONNECT
FOR NORMAL OPERATION.
BLK
1
2
IAQ
6
7
PL18-3
BLU
PL18-4
RED
PL18-1
BRN
PL18-2
BLK
BLU
RED
BRN
(FIOP/
ACCY)
5
4
3
2
1
YEL
WHT
3
2
6
PNK
OR
RED
6
5
4
3
2
1
VFD
FAN
BOARD
J2
J1
ORN
PNK/BLK
(NOT USED)
BRN
4
3
2
1
JW1
JW2
YEL
3
2
10
6
GRA
VIO
YEL
BLU
BLK
BRN
RED
12
9
5
1
4
3
2
8
10
6
PL6
PNK
RED
BLK
WHT
ENTHALPY
SENSOR
11
11
7
PNK
7
BRN
ORN
PNK
VIO
GRA
GRA
BLK
BLU
1
2
3
ECONO
MOTOR
ENTHALPY
(ACCY)
ORN
(FIOP/
ACCY)
OAT
GRN
GRN
ECONOMIZER
(FIOP/
ACCESSORY)
ORN
BRN
SAT
GRN
GRN
IAQ 2-10
IAQ 24V+
IAQ COM
S-BUS
S-BUS
OAT
OAT
MAT
MAT
BLK
BLU
ACT 2-10
ACT COM
ACT 24V+
1
2
1
2
1
2
1
2
3
3
2
4
1
OCC
EXH 1
E-GND
AUX2-1
YEL
GRN/YEL
BLK
WHT
RED
BRN
ORN
YEL
Y1-O
Y1-I
Y2-O
Y2-I
C
R
GRA
BLU
2
3
4
5
1
2
3
6
5
4
BLUEGRAY
HONEYWELL
W7220
W1
AUX1-0
1
6
GRN
4
5
1
3
8
9
1
2
6
10
7
4
9
10
2
3
8
4
7
5
6
GRA
YEL
BLU
BLK
BRN
RED
ORN
BRN
2
1
4
3
2
3
1
4
ORN
BRN
VIO
PNK
ORN
VIO
PNK
CTB
T'STAT-W1
GRA
2
1
GRA
GRA
GRA
VIO
PNK
PL
1
4
GRA
GRA
TAN
TO POWER EXHAUST
ACCESSORY
TAN
ORN
GRA
GRA
GRA
YEL
8
4
1
9
BRN
RED
ORN
TAN
GRA
4
3
2
1
BLU
BLK
GRA
GRA
GRAGRA
BLU
BLK
BLU
YEL
3
2
6
11
7
8
4
1
9
12
5
PL6-R
FOR STD
UNIT
PL6-R
STD UNIT
CTB ECON
ECONOMIZER
(FIOP/
ACCESSORY)
BRN
14
13
12
11
10
YEL
2
6
PNK
15
WHT
VFD
PL25
BLU
BLU
PNK
YEL
PNK
WHT
3
16
PNK
4
PNK
5
PNK
ECM
HILO
YEL
WHT
RED
R
CTB
C
L
G
N
YEL
GRN/YEL
BLK
BRN
5
4
3
2
1
TO "C"
COIL
HIGH
VOLTAGE
3 PH
IFM
DD
IFM
VIO
ORN
VIO
WHT
O
F
M
C
WHT
LAS
FPT
BLK
YEL
BRN
BLK
BLU
GRN/
YEL
HIGH
VOLTAGE
OFM
YEL
YEL
BRN
BRN
BRN
SF
BLK
BLK
(SEE NOTE 3)
BRN
CLO2/
COMP2
-2
LDR
WHT
LDR
BRN
SMOKE CONTROL
MODULE
FIOP/ACCESSORY
16
10
9
ORN
BRN
POWER
24 VAC
6
17
14
3
5
4
NC
NO
BLU
TROUBLE
NC
ALARM
NO
RJ-45
RETURN
SMOKE
SENSOR
RJ-45
SUPPLY
SMOKE
SENSOR
FIOP/
ACCESSORY
RED
GRA
YEL
GRN
PNK
1
2
4
3
6
7
8
9
PL19-
WHT
5
GRA
5
BLK
BLU
SEE
NOTE
4
7
2
3
4
5
6
1
DDC
HARNESS
4
2
1
3
5
6
7
BRN
GRN
PNK
ORN
YEL
BLU
WHT
YEL
BRN
ORN
YEL
GRA
ORN
BRN
BLU
RED
GRA
YEL
GRA
PNK
WHT
12
5
SEE NOTE 5
BLK
BRN
RED
BRN
BLK
GRA
5
YEL
WHT
NOTE 6
GRA
GRA
GRA
C13383
Fig. 24 -- 48LC Control Wiring Diagram
48HC48LC
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