31
SETTING BLOWER TIMINGS
*NOTE
: These taps are not available on
UT Electronic Controls 1097-200.
NOTE:
This does not apply to UT
Electronic Controls 1097-200 models
because the heat tap functions as the
continuous fan tap as well.
See Figure 20 for instructions for setting
the blower “OFF” timings.
GAS FURNACE (DIRECT
DRIVE) INSTRUCTIONS FOR
CHANGING BLOWER SPEED
DISCONNECT THE ELECTRICAL
SUPPLY TO THE FURNACE BEFORE
ATTEMPTING TO CHANGE THE
BLOWER SPEED. FAILURE TO DO
SO CAN CAUSE ELECTRICAL
SHOCK RESULTING IN SEVERE
PERSONAL INJURY OR DEATH.
The blower motor is wired for blower
speeds required for normal operation
as shown.
If additional blower speed taps are
available, speeds may be changed if
necessary to fit requirements of the
particular installation. Check motor lead
color for speed designation.
Heating speeds should not be reduced
where it could cause the furnace air
temperature to rise to exceed the
maximum outlet air temperature
specified for the unit.
IMPORTANT
:
Always check air
temperature rise after changing the
heating speed for any reason or if there
are any changes to the duct system.
WARNING
!
FIGURE 20
UT Electronic Controls 1097-200
BLOWER OFF TIMINGS
Summary of Contents for GMDA
Page 40: ...40 CM 0810...
