Question about 3M Filtrete 7-day Digital Programmable Thermostat
Seems that all thetemperaturesounds has been set for all the times of the day and can't get it to change.
To set the temperature and by pass the program feature press "HOLD" This feature is alternate action each time you press it changes from on or off, off to on.
This will make your 3M-22 act like a non-progammable thermostat. It will hold the target temperature you set indefinitely, until you turn HOLD off. Take care using the HOLD function as the program is now bypassed. To set a hold target temperature, press HOLD and use the +/- buttons to select your hold temperature. The HOLD icon will display on the HOME screen indicating you have changed the Target Temperature. The system will HOLD this temperature until you return to the manual screen. To turn off hold press HOLD again. HOLD is also canceled when you set the mode to OFF.
These things are like the old VHS tapes to program.
Hope this has helped?
Posted on Jan 12, 2016
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