Honeywell Wi-Fi 7-Day Programmable Thermostat (RTH6580WF) ユーザーガイド

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, along with available options are described on 
pages 18–19.
This thermostat is pre-set for a single-stage heating/cooling system.  
Setting function 1 for a heat pump will adjust the default settings.

1  Press 

 and 

s 

simultaneously and hold 

for approximately 3 seconds. The screen will 
change to display two numbers and the button 
designations will be 

Done, Back, blank, Next.

2  Press 

 until you see the function number—

the larger number on the left—you want to set.

3  Change options for any function by pressing 

s

 

or 

t 

until the correct option (smaller number on 

right) is displayed.

4  Repeat Steps 2 and 3 until you have set all 

functions that you wish to change.

5  When you have made all changes, press 

 

to save and exit.

MCR33883

MCR33884

System setup

1

Type
If you are not sure  

of your heating/

cooling system 

type or have other 

questions, go to  

wifithermostat.com

0 

Heat/cool: Gas, oil or electric heating with central air conditioning.

1 

Heat pump: Heat pump without backup or auxiliary heat.

2 

Heat only: Gas, oil or hot water heat without central air conditioning.

3 

Heat only with fan: Gas, oil or electric heat without central air 

conditioning.

4 

Cool only: Central air conditioning only.

5 

Heat pump: Heat pump with backup or auxiliary heating.

6 

Heat/Cool Multiple stages: 2 heat stages (wires on W and W2), 2 

cooling stages (wires on 

Y and Y2).

7 

Heat/Cool Multiple stages: 2 heat stages (wires on W and W2), 1 

cooling stage (wire on 

Y).

8 

Heat/Cool Multiple stages: 1 heat stage (wires on W), 2 cooling stages 

(wire on 

Y and Y2).

2

0 

Cooling changeover valve: Use this setting if you connected a wire 

labeled “O” to the O/B terminal.

1 

Heating changeover valve: Use this setting if you connected a wire 

labeled “B” to the O/B terminal.

3

0 

Gas or oil heat: Use this setting if you have a gas or oil heating system 

(system controls fan operation).

1 

Electric heat: Use this setting if you have an electric heating system 

(thermostat controls fan operation).

5

5 

Gas or oil furnace: Standard gas/oil furnace (less than 90% efficiency).

9 

Electric furnace: Electric heating systems.

3 

Hot water or high-efficiency furnace: Hot water system or gas furnace 

(more than 90% efficiency).

1 

Gas/oil steam or gravity system: Steam or gravity heat systems.

6