69-2814EFS—07 21
Changing system setup
System Setup Options (concluded)
Screen Title Settings and Options
Your heating
system type
If you selected Hot Water or Steam on “Your system type,” select the
specific heating system here.
Number of cooling
stages
Select 1 Stage (default) or 2 Stages. If you are unsure, note which
wires are connected: ‘Y’ wire only (1 stage) or ‘Y’ and ‘Y2.’
Number of heating
stages
Select 1 Stage (default) or 2 Stages. If you are unsure, note which
wires are connected: ‘W’ wire only (1 stage) or ‘W’ and ‘W2.’
Your fan control
Select whether your thermostat (default) or heating system controls
the fan.
Type of changeover
valve
If you selected Heat Pump on “Your system type,“ select whether it
uses a cooling changeover valve (default) or heating changeover valve.
f you are unsure, note which wires you have connected.
Number of heat
pump compressor
stages
Select 1 Stage (default) or 2 Stages. If you are unsure, note which
wires are connected: ‘Y’ wire only (1 stage) or ‘Y’ and ‘Y2.’
Your backup heat No or Yes (default) you can determine whether you have backup heat.
System setup
Note: Your contractor already setup
your thermostat. You should not need
to perform any setup. Follow these
instructions only if you do a factory reset.
Before connecting to your WiFi network,
you need to set initial thermostat options
to define your heating/cooling system:
• Language
• Home or business
You can customize other options later.
Follow prompts on the screen to select
appropriate options.
1 Touch the language you want the
thermostat to display, then touch Next.
2 Select Home or Business installation,
then touch Next.
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