Step 5: Adjust Fan Operation Switch, As Required; Step 6: Adjust System On-Time, F/C , As Required - Honeywell MAGICSTAT 3355 Owner's Manual

Weekday/weekend (5-day/ 2-day) programmable heat and/or cool low voltage (20 to 30 vac) thermostat and mounting plate
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Step 5: Adjust Fan Operation Switch, as Required

The thermostat fan operation switch,
labeled FUEL SWITCH (see illustration on
page 20) is factory-set in the F position. This
is the correct setting for most systems. If

Step 6: Adjust System On-Time, F/C , as Required

The system on-time is factory-set for a warm
air, gas or oil heating system. If you are
installing it on another type of system, adjust
the on-time accordingly by setting screws A
and B on the back of the thermostat. Use the
heating system table shown in the illustration
(page 20) as a guide. Optimize the system
on-time according to the type of system to
your system is an electric heat system, set
the switch to E. The E setting allows the fan
to turn on immediately with the heating or
cooling in a system where the G terminal is
connected.
minimize room temperature swings. Setting
the screw out one turn means turning the
screw approximately 360 counterclockwise,
or about one complete turn.
In the unlikely event that you want a longer
system on-time, readjust screws A and/or B
as follows:
18
69-1012

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