The geothermal heating/cooling system on my house consists of the following components. Some key specifications for each are listed below. For more details, click on the links for the manufacturer's website and mnaul (if available).
- QT flow center model 2-230-QFC-G
- 16" wide x 36" high x 8" deep
- two 2699 pumps capable of over 30 gallons per minute
- ethylene glycol coolant
- brochure
manual
Carrier Infinity ICS furnace
- model 58MVC 060-F-14
- 17.5" wide x 40" high x 28.5" deep
- 60,000 Btu/hr heating size
- 95% annual fuel utilization efficiency (AFUE)
- 3-stage natural gas burner
- low: input 24,000 Btu/hr, output 22,000 Btu/hr
- med: input 39,000 Btu/hr, output 37,000 Btu/hr
- high: input 60,000 Btu/hr, output 56,000 Btu/hr
- variable speed blower (max 80 W)
- heating: 410-1,070 cu ft/min
- cooling: 700-1,400 cu ft/min
- direct vent intake and exhaust
- 4-way multipoise modulating condensing
- manual
Carrier split geothermal heat pump / condenser
- model 50YDS038
- 25.4" wide x 21.3" high x 30.6" deep
- 3 ton max capacity (note: 1 ton of cooling capacity = 12,000 Btu/hr)
- 2-speed compressor
- High speed, cooling mode: 37,300 Btu/hr capacity and 16.7 EER
- Low speed, cooling mode: 27,100 Btu/hr capacity and 23.7 EER
- High speed, heating mode: 27,000 Btu/hr capacity and 3.8 COP
- Low speed, heating mode: 21,400 Btu/hr capacity and 4.1 COP
- Puron refrigerant (HFC R-410A)
- manual
Carrier heat exchanger / evaporator coil
- model CNPVP 4217
- 17.5" wide x 21" high x 21" deep
- 3.5 ton max capacity
- N coil
- Puron refrigerant thermostatic expansion valve (TXV)
- manual
Carrier Infinity thermostat
- 7-day programmable
- shows outdoor temperature, indoor temperature and humidity, and set point
- selects cooling mode: off, geo
- selects heating mode: off, geo, gas, hybrid (switch from geo to gas below a certain temperature), and combined (heat with geo and gas below a certain temperature)
- provides maintenance reminders and system diagnosis/problem reports
