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Installer setup
Follow the procedure below to
configure the thermostat to match the
installed heating/cooling system, and
customize feature operation as desired.
1. To begin, press and hold the
and FAN buttons until the display
changes.
2. Press
or
s
t
3. Press NEXT to advance to next
function.
4. Press DONE to exit and save
settings.
Setup function
Shaded areas below apply only to
1
System type
2
Changeover valve
(O/B terminal)
3
Fan control
(heating)
5
Stage 1 heat cycle
rate
(CPH: cycles/hour)*
6
Stage 2 heat cycle
rate/Auxiliary heat
cycle rate (CPH)*
*[Other cycle rate options: 2, 4, 6, 7, 8, 10, 11 or 12 CPH]
s
to change settings.
Settings & options (factory default in bold)
0
1 heat/1 cool conventional
1
1 heat/1 cool heat pump (no aux. heat)
2
Heat only — 2-wire systems, 3-wire zone valves (Series
20), and normally open zone valves
3
Heat only with fan
4
Cool only
5
2 heat/1 cool heat pump (with aux. heat)
6
2 heat/2 cool conventional
7
2 heat/1 cool conventional
8
1 heat/2 cool conventional
8
1 heat/2 cool conventional
9
2 heat/2 cool heat pump (no aux. heat) -
only
10 3 heat/2 cool heat pump (with aux. heat) -
only
0
Changeover valve (O/B terminal energized in cool-
ing)
1
Changeover valve (O/B terminal energized in heating)
0
Gas or oil furnace — equipment controls fan in
heating
1
Electric furnace — thermostat controls fan in heating
5
For gas or oil furnaces of less than 90% efficiency
1
For steam or gravity systems
3
For hot water systems & furnaces of over 90% efficiency
9
For electric furnaces
5
For gas or oil furnaces of less than 90% efficiency
1
For steam or gravity systems
3
For hot water systems & furnaces of over 90% efficiency
9
For electric furnaces
Done
Function
number
TH5320U/TH5220D
5
1
Next
Setting
or as otherwise noted.
TH5320U
TH5320U
Done
0
M29387
1
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