Honeywell RTH8580WF manual Setting functions and options, 630 PM, 0120

Setting functions and options

You can change options for a number of system functions. Available functions depend on the type of system you have. The functions, designated with four-digit numbers, along with available options are described on pages 52–58.

This thermostat is pre-set for a single-stage heating/cooling system. Setting function 0170 for a heat pump will adjust the default settings.

1Press SYSTEM. You’ll see several blank buttons on the bottom of the display.

2Press and hold the center blank button until the screen changes (approximately 5 seconds).

3Cycle through the functions, press st next to the four digit number on the left.

4As needed, change options for any function by pressing st next to the number on the right.

SYSTEM

HEAT

6:30PM			MCR31562
DONE		CANCEL
0120	20		MCR31563
DONE

5 When you have made all changes, press DONE

to save and exit.

51