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Option 31 — Daylight Savings Time Configuration (programmable models
only)
This selection allows the installer to set the Thermidistat Control to automatically
change by one hour on the specified day, month, and week specified.
OF (off) — Daylight Savings Time Function disabled.
1,2 On — The first time the UP/DOWN button is pressed, the value of this
selection changes from OF (off) to 1. When 1 is displayed, the days of the week
and clock digits will be turned on. The installer will set the start date (Spring) for
Daylight Savings Time by setting the day of the week by selecting the
appropriate triangle icon next to the days of the week, the month of the year will
be set in the clock hours location (range 1--12) and the week of the month will be
set in the clock minutes location. The week of the month selections will be F, 2,
3, 4, and L for First, 2nd, 3rd, 4th, and Last. So for the first Sunday in April, the
display would show SUN, 4, F. When 2 is displayed, the installer will then
choose the end date for daylight savings time (Fall). To activate the function, the
installer changes the “2” by pressing the up button and “On” is displayed. The
setting shall be left “On” to enable the Daylight Savings Time function.
Default is On (on).
Option 32 — Furnace Heat Staging Control (available only when the
Thermidistat Contr ol is configur ed to operate AC or A2 equipment).
1 — Thermidistat Control controls W1 output only and furnace controls the turn
on and turn off of higher stages of heat.
2 — Thermidistat Control will control the W1 and O/W2/B outputs.
Default is 1.
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