3
• Two stage cooling capability with independent circuits and control.
• High performance copper tube / aluminum plate (RTPF) fin condenser and evaporator coils with optional coating.
• EER’s up to 12.0
• IEER’s up to 13.2 with single speed indoor fan motor and 13.8 with 2-speed/VFD indoor fan motor system
• Gas heating efficiencies up to 81% thermal efficiency.
• Dedicated vertical and horizontal air flow duct configuration models. No field kits required.
• Utility connections through the side or bottom. Bottom connections are also in an enclosed environment to help prevent water
entry. Field supplied couplings are required.
• Scroll compressors on all units. This makes service, stocking parts, replacement, and trouble-shooting easier.
• Precision sized TXV metering device on each refrigerant circuit.
• Easy-adjust, belt-drive motor available. Motor assembly also contains a fan belt break protection system on all models and reli-
able pillow block bearing system that allows lubrication thru front of the unit.
• Single-point gas/electrical connection.
• Sloped, composite drain pan sheds water; and won’t rust.
• Standardized controls and control box layout. Standardized components and controls make stocking parts and service easier.
• Clean, large, easy to use control box.
• Color-coded wiring.
• Large, laminated wiring and power wiring drawings which are affixed to unit make troubleshooting easy.
• Single, central terminal board for test and wiring connections.
• Fast-access, handled, panels for easy access on normally accessed service panels.
• “No-strip” screw system guides screws into the panel and captures them tightly without stripping the screw, the panel, or the unit.
• Mechanical cooling (125°F to 35°F/52°C to –2°C) standard on all models. Low ambient controller allows operation down to
–20°F/–29°C
• Redundant gas valve for 2-stage gas heating capacity control with induced-draft flue exhaust design to help ensure no flue gas can
escape into the indoor air stream.
• Exclusive IGC solid state gas controller for on board diagnostics with LED error code designation, burner control logic and
energy saving indoor fan motor delay.
• 2-in. (51mm) disposable filters on all units, with 4-in. (102 mm) filter track field-installed.
• Refrigerant filter-drier on each circuit.
• High and low pressure switches. Added reliability with high pressure switch and low pressure switch.
• Many factory-installed options ranging from air management economizers, 2 position dampers, manual outdoor air dampers, plus
convenience outlets, disconnect switch and smoke detectors.
• Factory-installed Perfect Humidity™ dehumidification system.
• Standard Parts Warranty: 10 year aluminized heat exchanger, 5 year compressor, 1 year others.
• Optional 2-Speed Indoor Fan Motor System utilizes a Variable Frequency Drive (VFD) to automatically adjust the indoor fan
motor speed between cooling stages. Available on 2-stage cooling models 17-28 with electromechanical controls or RTU Open.
FEATURES/BENEFITS
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