WEATHERPROOF
FUSED DISCONNECT*
PER NEC
FIELD
SUPPLIED
POWER
POWER WIRES
LEGEND
LLSV — Liquid Line Solenoid Valve
NEC — National Electrical Code
TXV
— Thermostatic Expansion Valve
*Field supplied.
†Accessory item.
TYPICAL PIPING AND WIRING
CONDENSING
UNIT
FILTER
DRIER*
INSULATED
VAPOR
LINE
CONTROL
WIRES
INDOOR
THERMOSTAT†
FUSED DISCONNECT
PER NEC
NOTES:
1. All piping must follow standard refrigerant piping techniques. Refer to Carrier System
Design Manual for details.
2. All wiring must comply with the applicable local and national codes.
3. Wiring and piping shown are general points-of-connection guides only and are not
intended for, or to include all details for, a specific installation.
4. Liquid line solenoid valve (solenoid drop control) is recommended to prevent refriger-
ant migration to the compressor.
5. Internal factory-supplied TXVs not shown.
Rooftop Installation — 569D072-120, 576C120
MOISTURE
INDICATOR
SIGHT GLASS*
LLSV*
LIQUID
LINE
CONDENSATE DRAIN
POWER WIRES
TO OPEN SIGHT
DRAIN
28
ELECTRIC
HEATER
ACCESSORY
524A
UNIT