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Available languages
Available languages
Function
Description
0170
Select System Type
0180
Heating Fan Control
0190
Heat Pump Changeover Valve
(for heat pumps only)
0240
Heating Cycle Rate
0270
Emergency Heat Cycle Rate
(heat pumps only)
0300
Manual/Auto Changeover
0320
Temperature Format (°F/°C)
0330
Daylight Saving Time On/Off
Setting
Press the s or t button to change the setting.
1
Heat/cool: Gas, oil or electric heating with central air
conditioning.
2
Heat pump: Heat pump without backup or auxiliary heat.
3
Heat only: Gas, oil or electric heat without central air
conditioning.
4
Heat only with fan: Gas, oil or electric heat without central air
conditioning.
5
Hot water heat only (no fan): Gas, oil or hot water heat
without central air conditioning.
6
Cool only: Central air conditioning only.
7
Heat pump: Heat pump with backup or auxiliary heating.
8
Heat/Cool Multiple stages: 2 heat stages (wires on W and
W2), 2 cooling stages (wires on Y and Y2).
9
Heat/Cool Multiple stages: 2 heat stages (wires on W and
W2), 1 cooling stage (wire on Y).
10
Heat/Cool Multiple stages: 1 heat stage (wire on W), 2
cooling stages (wires on Y and Y2).
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).
0
Cooling changeover valve: Use this setting if you connected
a wire labeled "O" to the O/B terminal (see page 6).
1
Heating changeover valve: Use this setting if you connected
a wire labeled "B" to the O/B terminal (see page 7).
5
Gas or oil furnace: Standard gas/oil furnace (less than 90%
efficiency).
9
Electric furnace: Electric heating systems.
3
Heat pump, 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.
Settings 5, 9, 3, or 1 recommended. Other settings: 2, 4, 6, 7,
8, 10, 11, 12. The number indicates how frequently the system
cycles on and off to maintain the set temperature. A higher
number means the system is on and off for shorter amounts
of time, a lower number means longer on and off times. When
these settings are set to match the system type, the thermostat
controls temperature more accurately.
9
Electric furnace: Electric heating systems.
0
Manual changeover (Heat/Cool/Off).
1
Automatic changeover (Heat/Cool/Auto/Off). Automatically
turns on Heat or Cool based on room temperature. Note:
System maintains minimum 3°F difference between heat and
cool settings.
0
Fahrenheit
1
Celsius
0
Off: No adjustment for daylight saving time.
1
On: Auto-change to daylight saving time (for areas that do
not use the new 2007 DST calendar).
2
On: Auto-change to daylight saving time (2007 and beyond,
for areas that use the new 2007 DST calendar).
11
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