—24—
3. Mix Environmentally Sound Coil Cleaner in a 2
1
/
2
gal-
lon garden sprayer according to the instructions
included with the Cleaner. The optimum solution tem-
perature is 100 F.
4. Thoroughly apply Environmentally Sound Coil
Cleaner solution to all coil surfaces including finned
area, tube sheets, and coil headers. Hold garden
sprayer nozzle close to finned areas and apply cleaner
with a vertical, up-and-down motion. Avoid spraying
in horizontal pattern to minimize potential for fin
damage. Ensure cleaner thoroughly penetrates deep
into finned areas. Interior and exterior finned areas
must be thoroughly cleaned.
5. Allow finned surfaces to remain wet with cleaning
solution for 10 minutes. Ensure surfaces are not
allowed to dry before rinsing. Reapply cleaner as
needed to ensure 10-minute saturation is achieved.
6. Thoroughly rinse all surfaces with low velocity clean
water using downward rinsing motion of water spray
nozzle. Protect fins from damage from the spray
nozzle.
CAUTION: DO NOT USE water in excess of 130 F.
Enzymes in coil cleaner will be destroyed and coil
cleaner will not be effective.
CAUTION: Do not use bleach, harsh chemicals, or
acid cleaners on outdoor or indoor coils of any kind.
These types of cleaners are difficult to rinse, and they
promote rapid corrosion of the fin collar-copper tube
connection. Only use the Environmentally Sound Coil
Cleaner.
Never use high pressure air or liquids to clean coils.
High pressures damage coils and increase the airside
pressure drop. To promote unit integrity, follow clean-
ing and maintenance procedures in this document.
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