EcoNet RETST800SYS Smart Thermostat User Guide

EcoNet RETST800SYS Manual: Questions and Answers

Can the EcoNet RETST800SYS work with an Electronic Air Cleaner filter?

Yes. With an EAC filter, the air filter reminder reverts to a time-based alert set to 6 months by default. User Guide, p. 19

What's the difference between Away and Vacation mode on the EcoNet RETST800SYS?

Away mode stays active until you cancel it or adjust temperature. Vacation mode runs for a specific date and time range you set in advance. User Guide, p. 16

What does 'Vacation' displayed above the temperature mean on the EcoNet RETST800SYS?

A vacation event is active and your HVAC system is following the preset vacation settings. Tap Vacation on the home screen to cancel it. User Guide, p. 16

How long does a fan speed override last before returning to the schedule?

Two hours by default. You can change this duration in Basic Settings under Schedule Override Time. User Guide, p. 17

What do the icons on the EcoNet RETST800SYS home screen mean?

The Menu icon in the bottom left corner opens settings. The Weather icon displays local conditions and forecasts based on your ZIP code. User Guide, p. 11

Where do I set the time and date on the EcoNet RETST800SYS?

Go to Menu > Settings > Time. Enter the current time and date on that screen. You can also enable or disable daylight savings time at the bottom. User Guide, p. 13

Should I use shielded wire for the EcoNet RETST800SYS installation?

Use shielded wire only if thermostat wiring runs near high voltage, cable TV, Ethernet, or radio-frequency equipment. Ground shield only at indoor unit, never at the thermostat. User Guide, p. 25

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