18
Single Package Type Air Conditioner
Installation of Unit
Final Installation Checklist and Maintenance
You can do some of the periodic maintenance functions for your unit yourself; this includes
cleaning air filters, cleaning unit cabinet, cleaning the condenser coil, and conducting a general
unit inspection on a regular basis.
It is very important to keep the central duct system air filters clean. Be sure to inspect them at
least once each month when the system is in constant operation. (In new buildings, check the
filters every week for the first 4 weeks.)
These units have anti-fungus filter.
Permanent type filters can be cleaned by washing with a mild detergent and water. Ensure that
the filters are thoroughly dry before reinstalling them in the unit (or duct system).
• Does unit run and operate as described in the "Sequence of Operation" in the unit
Service Manual?
• Is the condenser fan and indoor blower operating correctly, with proper rotation and
without undue noise?
• Are the compressors operating correctly and has the system been checked with a
charging chart?
• Have voltage and running currents been checked to determine if it is within limits?
• Have the air discharge grilles been adjusted to balance the system?
• Has the ductwork been checked for air leaks and condensation?
• Has the indoor airflow been checked and adjusted if necessary?
• Has the unit been checked for tubing and sheet metal rattles and are there unusual
noises to be checked?
• Are all covers and panels in place and properly fastened?
• Has the owner or maintenance personnel been given this manual, warranty, and been
instructed on proper operation and maintenance?
Routine Maintenance By Owner
Air Filters
WARNING: Before removing access panels to service unit, disconnect
power supply. Failure to disconnect power before attempting any
servicing can result in severe injury or death.
Summary of Contents for 3828A20229B
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