LOW will only run the low stage of furnace heat.FURNACE will allow the Furnace algorithm to control staging.SYSTEM (default) setting will allow the Infinity Control to determine furnace staging.Reading the above description tells me they define comfort as higher air temp at lower air flow (and therefore lower noise and turbulence/draft/dust).Ĥ) Another setting is: Setup -> Furnace -> STAGING: So, does the EFFICIENCY setting run the fan in high speed only (or some fixed high-airflow value)? I can conceptually understand this (higher air flow over a given hot surface will extract more heat, so more efficient), but I'd like to know what we are giving up by switching from COMFORT to EFFICIENCY mode. COMFORT (default) is a decreased airflow used to increase the output air temperature and provide increased comfort.EFFICIENCY is the airflow used to meet specified ratings.Selects the airflow of the furnace when heating. It's a high efficiency system (around 96%?), but we have been auditing the house for energy leaks, and we've been told that our system may not be set up for higher efficiency.ġ) is airflow directly related to fan speed all else being fixed?Ģ) my understanding is that this system has a two-stage burner (off/low/high) and a 3-stage fan (off/low/mid/high) - is this correct?ģ) One of the settings in the infinity control system advanced setup is: We occasionally use override to prolong a given heating period. We don't expect or use the system to heat the house instantly and have smart recovery on (gradual change over 90 mins before schedule change). installation configuration: bottom return furnace in crawl space in horizontal right position flexible ducts (insulated) registers on the floor, return in floor joists where old gravity floor furnace was Electronic Air Cleaner and air filter box with cleanable 1" air filter vents to outside with two white pvc pipes slopping downward to the furnace Carrier 58MVP060-F-1 with infinity control unit/t-stat I am sure there are great techs out there, it's just getting expensive sampling until we find the right one.Ī few years back we had the following system installed: I am having to delve into this after we paid certified technicians to help us determine the efficiency configuration of our furnace. I searched and can't find a good explanation.
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