W415-2159 / D / 11.24.17
13
IOM
6.1 DUCTWORK
STEPS
H10.1
1. Position the furnace to minimize ductwork length and
fi
ttings.
2. Cut open a return air inlet. The choices are furnace bottom, either side, or any combination thereof (i.e.,
two sides or a side and the bottom).In all cases, cut the return air opening the full width of the return air
markers on the side panel.
NOTE:
If the air
fl
ow requirements exceed 1800 cfm, models will require air openings and
fi
lters on:
•
both
sides,
OR
• one side and the bottom, OR
•
just
the
bottom
3. Connect the return air duct or
fi
lter
fi
tting to the furnace. The connection should be sealed air tight to prevent
entraining combustion gases from an adjacent fuel burning appliance, or entraining combustion air for this
furnace or adjacent fuel burning appliances.
4. Ensure that there is adequate space and accessibility for air
fi
lter removal.
5. If an air conditioning evaporator coil is required, position it on the supply air side of the furnace. Ensure
that no air can bypass the evaporator coil.
6. Connect the supply air plenum to the supply air outlet.
FLEXIBLE DUCT CONNECTORS
are an effective device to prevent the telegraphing of mechanical noise from
the furnace to other parts of the home via the ductwork. If using
fl
exible connectors, ensure that the adjoining
duct is independently supported.
H3.9
DO NOT USE THE REAR PANEL AS A RETURN AIR INLET. THERE IS INSUFFICIENT
ROOM TO PERMIT ADEQUATE AIRFLOW.
DAMAGES, DEFECTS OR FAILURES CAUSED BY CONDITIONED AIR (RETURN AIR)
SUPPLIED TO THE FURNACE BEING GREATER THAN 20% FROM OUTDOORS (55°F/13°C
MIN. RETURN AIR TEMPERATURE).
SOME HEATING AIR FLOW VALUES MAY BE HIGHER THAN THOSE REQUIRED FOR
COOLING. BE SURE TO SIZE DUCT SYSTEM FOR HIGHEST POSSIBLE VALUES.
WARNING
!
!
Содержание 9600E E-STAR Series
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