Blower Motor Speed Selection - Thermo Products VH8FA119P60B Installation And Operation Manual

The proper thermostat heat anticipator setting is 0.1 ampere. To increase the length of the cycle, increase
the setting of the heat scale; to decrease the length of the cycle, decrease the setting of the heat scale.
Thermostat models having a scale as shown in Figure 14 on the next page, must be adjusted to each
application.
Figure 14: Heat Anticipator Adjustment Scale
In many cases, this setting can be found in the thermostat installation instructions. If this information is not
available, or if the correct setting is questioned, the following procedures should be followed:
L. Blower Motor Speed Selection:
: Turn off the electrical power to the unit, before attempting to change supply air
blower speed wiring.
The furnace comes from the factory with the proper cooling speed selected and the heat rise set to
approximately 66F on mid-fire.
The heat rise is determined by the nozzle size and the switch selection on the control board located in the
vestibule compartment.
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