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appliance. The furnace blower continues to operate for
30 seconds before shutting down.
Fan Mode
thermostat communicates this command
through the communications cable.
runs at the speed selected in the manual fan speed
screen.
to a blower speed that is needed for cooling.
through the intermittent fan screen. The circulating blower
is a call for heating or cooling, it takes precedence over
intermittent operation.
MAINTENANCE
WARNING:
EXPLOSION HAZARD
Proper maintenance is most important to achieve the best
years of safe, trouble free operation.
maintenance and operation of this appliance.
being affected by drafts or heat from lamps or other
appliances.
maintenance checkup be performed. At a minimum,
this check should include the following items:
loads on the motor resulting in higher than normal operating
that the blower compartment be cleaned of dirt or lint
that may have accumulated in the compartment or on
the blower and motor as part of the annual inspection.
Air Filter(s) -
as shipped from the factory. The installer must provide a
WARNING:
minimized.
side return and bottom return applications are available
from most local distributors.
follow the steps below and see page 37 for component
descriptions and locations.
manual valve in the supply piping.
2. Turn off all power to the furnace and set the thermostat
to it’s lowest setting.
3. Remove the burner door from the furnace.
sensor, and flame rollout switch.
in the gas supply piping at the furnace.
8. Remove all screws securing the Manifold Assembly to
9. Carefully remove the burner assembly from the furnace.
DO NOT DAMAGE THE IGNITER WHILE REMOVING
necessary carefully clean them with a soft wire brush
and a vacuum cleaner. DO NOT DAMAGE THE
11. Replace all the parts in reverse order that they were
removed.
operation after servicing.
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