Carrier 25VNA837A003

Carrier® Infinity™ - 3 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 19 SEER / 13 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 for 5-stage operation. 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