Specifications

ACCESSORIES (Field Installed)
STANDARD FEATURES AND FIELD-INSTALLED ACCESSORIES
STANDARD FEATURE/FIELD-INSTALLED
ACCESSORY
538S WITH 619E
(High Wall)
538S WITH 619C
(Ceiling Suspended)
538S WITH 619F
(In-Ceiling Cassette)
Internal Condensate Pump AA S
Mounting Brackets SS S
Microprocessor Controls S— —
24-v Electro-Mechanical Controls —S S
Cleanable Filters SS S
Charcoal Filter Kit A— —
Programmable Electronic Thermostat —A A
3-Speed Indoor-Fan Motor SS S
Automatic Indoor-Fan Speed Control SS S
Diagnostics SS* S*
Galvanized Steel Casing (Indoor Unit) —— S
Wired and Wireless Remote Controllers S (WR) S (W) S (W)
Fully Insulated Indoor Unit Cabinet SS S
Automatic Air Sweep SS —
User-Controlled Air Distribution —— S
Power Ventilation Kit —A A
Fresh Air Intake Kit —A A
Auto. Restart Function SS S
Indoor Guard (Discharge Grille) —A —
24-Hour Automatic Start/Stop Timer SA A
50-ft 24-v Control Power Cable —S —
35-ft 24-v Control Power Cable S— —
Refrigerant Line Turn Elbow —S —
High- and Low-Voltage Terminal Blocks (Indoor) SS S
Refrigerant Metering Device (TXV)† SS S
Evaporator Coil Freeze Protection SS S
Outdoor Low-Voltage Terminal Block SS S
Crankcase Heater† AA A
High-Pressure Switch SS S
Low-Pressure Switch SS S
5-Year Compressor Warranty SS S
Cycle-LOC™ Device† SS S
Suction and Discharge Service Taps** SS S
Totally Enclosed Fan Motor SS S
Acoustically-Lined Compressor Compartment SS S
Low Ambient Temperature Controls (down to −20 F) SS S
Winter Start Control† AA A
Liquid Solenoid Valve SS S
LEGEND
A—Field-Installed Accessory
S—Standard from the Factory
TXV — Thermostatic Expansion Valve
W—Wired
WR — Wireless Remote
——Not Available on this System
*Limited diagnostics through standard 24-v control.
†Located in 538S outdoor condensing unit.
**The 538S units are equipped with taps at each suction valve, compressor, suction line, and discharge line.
NOTE: If electric heat is required, match the 538S condensing unit with an indoor heat pump fan coil.
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