User Information Manual

507302-01C Page 5 of 6mrcool.com
for assistance.
Should you observe unusual amounts of any of the following
conditions, it is important that you call your authorized dealer
• Coatings
• Corrosion
Even if no unusual rust or other conditions are observed, it
is recommended that the unit be inspected and serviced at
inspections and planned maintenance will assure many
years of economical performance from your unit.
This unit requires air for combustion and ventilation to ensure
both proper and safe operation. Combustion air is brought
in through louvers next to outdoor coil. Do not block or
obstruct these louvers.
Venting of this unit must comply with the unit Installation
Instructions. Be sure the installer has followed these
requirements. If not, you should request the installer to
comply as soon as possible.
Make sure the vent terminal is clear and free of any
obstruction. For proper venting terminations, see the
Installation Instructions furnished with the unit.
without sagging. There should be no cracks or gaps.
It is important that the outside area where the vent
terminates is kept clear of any obstructions which might
block or impede the venting of the unit. Screens in vent
terminals should be cleaned periodically. Should venting
become blocked at anytime, your unit is equipped with a
special safety control to prevent operation of the unit until
the condition has been corrected.
Adequate combustion and ventilation air must reach
the unit to provide for proper and safe operation. Air
openings must be kept free of obstructions. Do not
permit overhanging structures or shrubs to obstruct
condenser air discharge, combustion air inlet, or vent
outlet. Any obstruction may cause improper operation
injury.
WARNING
Contact your dealer if you desire more information about
this important safety feature.
Should any unusual conditions be observed during your
inspections, call an authorized service dealer immediately.
Return Air
All return air duct connections must be tight and sealed to
unit cabinet. Supply and return air registers must be open
when the unit is in operation. Obstructions must not be
Filters