Carrier 50TFQ008-012 - Manual (Page 51)

51
Fig. 50 — Typical Unit Wiring Schematic (208/203-3-60 Unit Shown)
LEGEND
C — Contactor, Compressor
CAP — Capacitor
CB — Circuit Breaker
CLO — Compressor Lockout
COMP — Compressor Motor
DB — Defrost Board
DFT — Defrost Thermostat
EQUIP — Equipment
FPT
— Freeze Protection Thermostat
HC — Heater Contactor
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
OFC — Outdoor-Fan Contactor
OFM — Outdoor-Fan Motor
P — Plug
PL — Plug Assembly
QT — Quadruple Terminal
SAT — Supply Air Thermostat
RVS — Reversing Valve Solenoid
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