Manual screen functions – 3M 50 User Manual

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Touch MENU and then DIFF. Use the arrows to set the DIFF.

Recommend 2°F for very cold climates and the 4°F for warm climates.

MANUAL Screen Functions

The 3M-50 has 4 manual override commands. The manual screen is accessed by touching the large

current temperature display in the middle of the HOME screen.

IMPORTANT: The Mode must be in HEAT or COOL to access the manual screen.

TEMPORARY override Touch the + / - arrows to select your desired temporary Target

Temperature. Touch HOME to return to operation. The

TEMPORARY icon will display indicating

you have modified the Target Temperature for the current Time Slot only. It goes back to the

program target at the next period. Also, when in

TEMPORARY, if the target is set the same as the

programmed target for that period, the word

TEMPORARY will go out.

HOLD This will hold the target temperature you set indefinitely, until you turn HOLD off. HOLD will allow

you to operate your thermostat as a manual thermostat. It will keep whatever temperature you set until

you change it or cancel hold. Take care using the

HOLD function as the program is now bypassed. To set

a hold target temperature, touch

HOLD and use the +/- icons to select your hold temperature. The HOLD

icon will display on the HOME screen indicating you have changed the Target Temperature. The system