Bryant 549B - Manual (Page 39)

— 39 —
Fig. 41 — Typical Wiring Schematic (208/230-3-60 Unit Shown)
LEGEND
LSM — Limit Switch
MCA — Minimum Circuit Amps
OFC — Outdoor-Fan Contactor
OFM — Outdoor-Fan Motor
P — Plug
PL — Plug Assembly
QT — Quadruple Terminal
RVS — Reversing Valve Solenoid
SAT — Supply Air Temperature Sensor
TB — Terminal Board
TRAN — Transformer
Field Splice
Marked Wire
Terminal (Marked)
Terminal (Unmarked)
AWG — American Wire Gage
C — Contactor, Compressor
CAP — Capacitor
CB — Circuit Breaker
CLO — Compressor Lockout
COMP — Compressor Motor
DFT — Defrost Thermostat
EQUIP — Equipment
FPT — Freeze Up Protection Thermostat
FU — Fuse
GND — Ground
HC — Heat 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
Terminal Block
Terminal Econ 2 Position Board
Splice
Splice (Marked)
Factory Wiring
Field Control Wiring
Field Power Wiring
Accessory or Optional Wiring
To indicate common potential only;
not to represent wiring.