Carrier Comprehensive Guide to 50AH Air Conditioner Wiring and Components

Typical wiring schematic

50AH048,060 — 230-1-60 UNITS

AHA — Adjustable Heat Anticipator

C— Contactor Compressor

CB — Circuit Breaker

CC— Cooling Compensator

EQUIP GND — Equipment Ground

HPS	— High-Pressure Switch
HR	— Heater Relay
IFC	— Indoor (Evaporator) Fan Contactor
IFR	— Indoor (Evaporator) Fan Relay
JB	— Junction Box

L— Light

LPS	— Low-Pressure Switch
NEC	— National Electrical Code
PL	— Plug Assembly
TB	— Terminal Block
TC	— Thermostat-Cooling
TH	— Thermostat-Heating
TRAN	— Transformer

LEGEND

Marked Wire

Denotes connection point between subbase and thermostat Terminal (Marked)

Terminal (Unmarked)

Terminal Block

Field Splice

Splice (Marked)

Factory Splice

Factory Wiring

Accessory or Optional Wiring

Field Control Wiring

Field Power Wiring

To indicate common potential only not to represent wiring

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