Honeywell T8131B Manuale Utente

20

69-0887—1

A

The thermostat fan operation switch,
labeled FUEL SWITCH (see illustration on
page 21), is factory-set in the F position.
This is the correct setting for most
systems. If 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.

°

°

A

The thermostat 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 21)
as a guide.

Optimize the system on-time according to the
type of system to minimize room temperature
swings. Setting the screw 

out one turn means

turning the screw approximately 360

°

 counter-

clockwise, or about one complete turn.

In the unlikely event that you want a longer
furnace on-time, readjust screws A and/or B as
follows:

First, turn in both screws completely, then
adjust for system type:
•

Warm Air Furnace—set at the Hot Water
setting (A—out one turn, B—leave in).