Carrier® Infinity™ – 4 Ton 18 SEER Residential Variable Speed Heat Pump Condensing Unit

The Infinity® 18VS heat pump offers high-efficiency variable speed performance in a remarkably small cabinet and provides up to 11 HSPF heating efficiency and up to 18 SEER cooling efficiency. The variable speed inverter capacity control delivers up to 5 stages of operation for exceptional load matching, dehumidification and zoning performance.
This product has been designed and manufactured to provide flexible system matching and work with a wide variety of indoor units and controls.

Note: Always refer to the AHRI directory (www.ahridirectory.org) for the most up-to-date ratings information.
Check the product data to obtain the proper lineset size based on application.

Standard Features

Energy Efficiency

• Up to 18 SEER / Up to 12.5 EER / Up to 11 HSPF
• Microtube Technology™ refrigeration system

Sound

• Sound level as low as 55 dBA in low speed (Silencer System II)
• Soft start and smooth ramp to operating speeds

Comfort

• Variable speed compressor operates at 5 stages with capacity range from as wide as 25 – 100%
• Air cooled Inverter variable speed drive
• System requires Infinity™ Touch Control with version 11 software or newer
• Ratings provided with 2-stage thermostats and suitable non-communicating indoor products for 2-stage operation.

Reliability

• Puron® refrigerant – environmentally sound, won’t deplete the ozone layer and low lifetime service cost
• Front-seating service valves
• Inverter control drives compressor and fan motor
• No control module attached to fan motor
• Infinity® intelligence monitors critical system parameters
• Pressure equalizer valve for easy compressor starting
• High pressure switch
• Suction pressure transducer
• Electronic expansion valve (EXV) for heating, TXV for cooling
• Compressor discharge temperature sensor
• Suction temperature sensor
• Filter drier (field installed)
• Internal crankcase heater standard

Flexibility and installation

• 2 control wires to outdoor unit in complete Infinity® system and Touch Control
• Smaller and lighter than 2-stage units
• Minimum and Maximum adjustments with Infinity™ Touch Control
• Hybrid Heat™ dual fuel capable
• Compatible with non-communicating thermostats

Durability
WeatherArmor Ultra™ protection package

• Solid, durable sheet metal construction
• Steel louver coil guard
• Baked-on, complete outer coverage, powder paint

Applications

• Line sets up to 100 ft (30.5 m) equivalent length
• No long-line accessories required