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TYPICAL WIRING SCHEMATIC (cont)
12-PIN
FEMALE
11
12
10
9
5
6
7
8
4
3
2
1
MOLEX
CONNECTOR
PL6
12
11
10
9
8
7
6
5
4
3
2
1
RED
BLU
BLK
BRN
GRY
VIO
PNK
YEL
ORN
FIELD INSTALLED
OPTION
RAT
OAT
VIO
WHT
RED
USED FORMOUTDOOR
AIR ENTHALPY
50DK508234
TAN
VIO
WHT
RED
TAN
VIO
WHT
RED
VIO
PNK
COM
LED
COM
REM POT
COM
DAT
CO2 (COM)
CO2 +
+15V
RAM
COM
RAT
OAT
COM
OAH
+15V
STATUS
CONFIG
AD-DME1711-1
EconoMi$er
800
1000
1200
1400
10º
OFF
20º
50º
40º
30º
A
B
C
D
CO SP
(PPM)
MECH CLG
LOCKOUT
ECON
SP
0
20
40
60
80
100
MIN
POS (X)
STEPPER
DRIVE
50DK508232
24VAC
24COM
GND
CL01
CL02
RED
BRN
GRN
GRY
ORN
BLU
YEL
BLK
B1
Y1
Y2
G
AO
COM
1
2
3
BRN
BLK/GRY
WHT/GRY
NOT USED
WHT/YEL
BLK/YEL
CONNECTOR CABLE
3-PIN
MOLEX
50DK509044
ACTUATOR
7 1/2 AND 8 1/2 TON UNITS ONLY
LEGEND
AHA —
Adjustable Heat Anticipator
AWG —
American Wire Gage
C —
Contactor, Compressor
CAP —
Capacitor
CB —
Circuit Breaker
CC —
Cooling Capacitor
CH —
Crankcase Heater
CLO —
Compressor Lockout
COMP —
Compressor Motor
D —
Diode
DB —
Defrost Board
DFT —
Defrost Thermostat
EC —
Enthalpy Control
ECON —
Economizer
EPS —
Emergency Power Supply
(Nine-Volt Battery)
EQUIP —
Equipment
ER —
Economizer Relay
FPT —
Freeze-Up Protection
Thermostat
FU —
Fuse
GND —
Ground
HC —
Heater Contactor (Strip Heat)
HPS —
High-Pressure Switch
HR —
Heater Relay
IFC —
Indoor-Fan Contactor
IFM —
Indoor-Fan Motor
IFMOVL —
Indoor-Fan Motor
Overload Switch
LPS —
Low-Pressure Switch
LSM —
Limit Switch (Manual Reset)
MCA —
Minimum Circuit Amps
MTR —
Motor
OAT —
Outdoor-Air Thermostat
OFC —
Outdoor-Fan Contactor
OFM —
Outdoor-Fan Motor
P —
Plug
PL —
Plug Assembly
QT —
Quadruple Terminal
R —
Relay
RAT —
Return-Air Thermostat
RVS —
Reversing Valve Solenoid
SAT —
Supply-Air Thermostat
SW1 —
Switch Fully Open
SW2 —
Switch Fully Closed
SW3 —
Switch Min. Vent Position
SW4 —
Switch Max. Vent Position
TB —
Terminal Block
TC —
Thermostat-Cooling
TH —
Thermostat-Heating
TRAN —
Transformer
Field Splice
Marked Wire
Terminal (Marked)
Terminal (Unmarked)
Terminal Block
Splice
Splice (Marked)
Factory Wiring
Field Control Wiring
Field Power Wiring
Accessory or
Optional Wiring
To indicate common
potential only. Not to
represent wiring.
548F090-120
50TFQ004-012
548F036-120