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This is because the heat pump is designed to work best in milder temperatures. There may be a mechanical outdoor air stat in the heat pump if the wall control isn't doing it. Participate in over 40 different forums and search/browse from nearly 3 million posts. The compressor will then remain off until the outdoor temperature rises above the trigger point. Hi. But for it to be effective at doing that, there needs to be enough heat energy available and as the temperature drops outside, not only does your home take more energy to keep warm, theres less heat energy that your heat pump can extract from the outside air. (Answered), Maytag Dishwasher Buttons Not Working? Honeywell VisionPRO IAQ Installation Manual | Manuals Books hbbd```b``n@$=w.)Hq:,R"xH|i(6_, b30E"! As a result, the indoor unit will not get enough air in the system. When would I disable the thermostats internal sensor? Sounds like it has been set up to control a fossil fuel aux heat. This configuration can be found in the Pelican Web-App > Admin > Thermostat Configuration > select any thermostat > Thermostat Operation > Compressor Lockout. Compressor lockout mainly happens when the appliance is working hard. How do I delete an existing shared schedule? Let us help you understand what compressor lockout is and discuss some necessary facts and information related to it. diff between heat pump & aux lockout temperatures in dual fuel - Houzz The tech said it was a L21 (Lockout - Low Pressure Control Trip). We are compensated for referring traffic and business to Amazon and other companies linked to on this site. Can I schedule the thermostat to set its cool setpoint beyond the cool range? I have a honeywell THX 9321 thermostat . The #1 question asked by NEW MEMBERS. If your compressor locks out, its important to troubleshoot the problem so that you can get it running again. If you have a Nest Learning Thermostat, you may have noticed a feature called Compressor Lockout. Are You Setting Your Heat Pump at the Right Balance Point for Compressors lock-out is available on different thermostats and systems but usually, it wont be explicitly displayed. The 2009 Washington State Energy Code, states that the control for the lockout temperature shall have a maximum setting of 40 degrees F, and set for 32 degrees or less at final inspection.
