56
Rinse - Using pressurized potable water such
as a garden hose, (< 689.5 kpa [100 psi]),
rinse the coils and continue to always work
in sections/panels.
Continue until all coil areas on the inside of
the unit have been rinsed. Note: Coils must
always be cleaned / back flushed, opposite
of airflow to prevent impacting the dirt into
the coil.
Repeat these steps with GulfClean ™ Salt
Reducer. When finished replace all panels
and tops that were removed.
Supply Fans
Supply Fan Lubrication
All original blower motors and bearings are
furnished with factory lubrication. Some
applications will require that bearings be re-
lubricated periodically. The schedule will
depend on the operating duty, temperature
variations or other severe atmospheric
conditions.
Bearings must be re-lubricated when at
normal operating temperatures, but not
running. Rotate the fan shaft by hand and add
only enough grease to purge the seals. DO
NOT OVERLUBRICATE.
Recommended greases are:
SHELL OIL - DOLIUM R
CHEVRON OIL - SRI No. 2
TEXACO INC. - PREMIUM R
Filter Replacement
Monthly filter inspection is required to
maintain optimum unit efficiency.
Filter media must be replaced monthly.
Filters are located upstream of the evaporator
coil. Open access panel and pull filters
straight out to inspect all of the filters.
Replace filters with the size indicated on each
filter. Arrow on the replacement filters must
point towards the blower.
Blower wheels must be inspected for
excessive dust build up periodically
and cleaned if required. Excessive
dust build up on blower wheels may
cause an unbalanced state; leading to
vibration and/or component failure.
Damages due to excessive dust build
up will not be covered under factory
warranty.
Electric shock hazard. Shut off all
electrical power to the unit to avoid
shock hazard or injury from rotating
parts.
Electric shock hazard. Shut off all
electrical power to the unit to avoid
shock hazard or injury from rotating
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