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Uncomfortable building / high energy use

What is going on

Possible causes and checks for: uncomfortable building / high energy use.

Likely causes

  • Economizer outdoor louvers stuck open, or economizer without enthalpy control pulling in humid air

Check in this order

  1. Inspect/repair actuator and louvers every visit. p.891 [865]

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Source: General HVAC service practice — verify per model. Written in our own words; check the manual for your exact model.

For licensed technicians. Gas, electrical and refrigerant work must be done by a qualified, licensed person. Shut off power and gas before servicing, never bypass a safety control, and follow the manufacturer’s manual for the exact model; it and local codes always take priority. HVACopedia is not affiliated with any manufacturer; brand and model names only identify the equipment.