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3.
system is moving cooled air.
4.
Set the thermostat 5ºF higher than the indoor
1. Set thermostat to call for auxiliary heat (approximately
minimum of 3 minutes for all sequencers to cycle on.
2.
Set the thermostat so that it does not call for heat.
Professional Maintenance
NOTICE
unit.
(less than 50psi). If the coil cannot be cleaned using
thoroughly after cleaning.
(salt).
Homeowner Maintenance
IMPORTANT
duct by the installer.
of inadequate heating or cooling performance.
return air system is properly sized for it.
Page 22 of 24
Repairing or Replacing Cabinet Insulation
DAMAGED INSULATION MUST BE REPAIRED OR
REPLACED before the unit is put back into operation.
separated or torn.
Matte- or foil-faced insulation is installed in indoor
conditions (surrounding ambient temperature and humidity)
and the varying conditions inside the unit. If the insulation
inside surface temperature of the cabinet.
and outside of the cabinet can cause condensation on the
corrosion and, subsequently, component failure.
Repairing Damaged Insulation
Areas of condensation on the cabinet surface are an
indication that the insulation is in need of repair.
condition, the insulation should be cut in an X pattern,
and placed back against the cabinet surface, being careful
to not overly compress the insulation so the insulation can
retain its original thickness. If such repair is not possible,
replace the insulation. If using foil-faced insulation, any
cut, tear, or separations in the insulation surface must be
1. CUT INSULATION IN X PATTERN
2. APPLY GLUE
3. PRESS GLUED TABS AGAINST CABINET
Figure 17. Recommended Blower Speed Taps
Issue 2336
IMPORTANT
GLUE - Make sure there is
full coverage of glue on the
metal or insulation so there
are no areas where air
pockets may form which
can lead to sweating.
507789-02G / 31-5000673-1
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