GPCH3 Installation Manual
17
We strongly recommend a bi-annual maintenance checkup be performed by a qualied service agency before the heating and cooling seasons begin.
and how to clean or replace them.
When they are dirty, replace or clean as required. Disposable
cleaned.
catching small airborne particles.
inadequate heating or cooling performance. Filters should
proper direction.
The bearings on the air circulating blower motor and
condenser motor are permanently lubricated and require no
further lubrication.
The compressor motor is hermetically sealed and does not
require additional oiling.
This unit is equipped with an aluminum tube evaporator coil.
the coil with water. This cleaning practice remains as the
recommended cleaning method for both copper tube and
aluminum tube residential cooling coils.
An alternate cleaning method is to use one of the products
listed are the only agents deemed safe and approved for
use to clean round tube aluminum coils. TP-109 is available
on the web site in Partner Link > Service Toolkit.
installer, or service agency at least twice every year. This
check should be performed before the heating and cooling
seasons begin. This will ensure that the system is performing
properly and safely. Repair as necessary.
• Check physical support of the unit. Ensure it is sound
without any sagging, cracks, or gaps, around the base.
• Check for obvious signs of deterioration of the unit.
• Check both condenser and evaporator coil to make
sure each are clean.
• Return Air Connection. Check for physical soundness
package unit casing.
• Wiring. Check wires for damage. Check electrical
connections for tightness and/or corrosion.
• Filters.
placement in the unit or duct system.
• Louvers. Inspect air inlet louvers inside the heat
exchanger compartments. Ensure the area is clean
and free of dirt and debris.
• Check the thermostat
• Check the disconnect switch
that it is closed.
• Check the electrical panel for tripped circuit breakers
or failed fuses. Reset the circuit breakers or replace
fuses as necessary.
• Check for blockage of the indoor air inlets and outlets.
• Check for obstructions on the unit.
not been covered on the sides or the top. Remove
any obstruction that can be safely removed. If the unit
to clean it.
• If it is dirty, clean or replace it.