Display - Source 1 S1-THEC11P5S Owner's Manual

5+2 day programmable digital thermostat
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OWNER'S MANUAL
88
:
I2:00
MTuWThF
SaSu
Day
Night
Day of the week. When programming, MTuWThF
represent the five weekdays and SaSu represent the
two weekend days.
Heat and Cool indicators. In normal operation, Heat or
Cool appears, depending on the Mode Switch position.
When heat or cool is energized, the Heat or Cool
indicator will flash.
Clock Display.
Time period indicators. These indicate the part of
the program that is currently active, if the Program
Switch is positioned to RUN.
Desired set temperature.
Current room temperature.
Indicates when the filter should be serviced. Appears
after 0 - 1950 hours of blower operation (adjustable).
Indicates batteries need replacement.
S1-THEC11P5S

Display

88
AM
Morning Evening
PM
SET
FILTER
HEAT
COOL
Page 5

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Questions and answers

Candace
February 15, 2025

We have a brand new source 1 air heat system. Thermostat is not heating continuously it heats for a few minutes and cuts off. How do I get the heat to stay on?

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E E Rodriguez
April 27, 2025

Is the Source 1 S1-TEC11P5S compatible with the Source 1 S1-TEC11NS in the sense that it can be simply plugged in the NS's existing installation?

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