138
Routine Cleaning of Coil Surfaces
Monthly cleaning with Totaline
®
environmentally balanced coil
cleaner is essential to extend the life of coils. This cleaner is
available from Carrier Replacement parts division as part num-
ber P902-0301 for a one gallon container, and part number
P902-0305 for a 5 gallon container. It is recommended that all
coils, including copper tube aluminum fin, pre-coated fin, cop-
per fin, or e-coated coils be cleaned with the Totaline environ-
mentally balanced coil cleaner as described below. Coil cleaning
should be part of the unit’s regularly scheduled maintenance pro-
cedures to ensure long life of the coil. Failure to clean the coils
may result in reduced durability in the environment.
Avoid the use of:
• coil brighteners
• acid cleaning prior to painting
• high pressure washers
• poor quality water for cleaning
Totaline environmentally balanced coil cleaner is non-flamma-
ble, hypoallergenic, nonbacterial, and a USDA accepted biode-
gradable agent that will not harm the coil or surrounding com-
ponents such as electrical wiring, painted metal surfaces, or in-
sulation. Use of non-recommended coil cleaners is strongly
discouraged since coil and unit durability could be affected.
Totaline Environmentally Balanced Coil Cleaner Application
Equipment
•2
1
/
2
gallon garden sprayer
• water rinse with low velocity spray nozzle
Totaline Environmentally Balanced Coil Cleaner Application
Instructions
1. Remove any foreign objects or debris attached to the coil
face or trapped within the mounting frame and brackets.
2. Put on personal protective equipment including safety glass-
es and/or face shield, waterproof clothing and gloves. It is
recommended to use full coverage clothing.
3. Remove all surface loaded fibers and dirt with a vacuum
cleaner as described above.
4. Thoroughly wet finned surfaces with clean water and a low
velocity garden hose, being careful not to bend fins.
5. Mix Totaline environmentally balanced coil cleaner in a 2
1
/
2
gallon garden sprayer according to the instructions included
with the cleaner. The optimum solution temperature is
100°F.
NOTE: Do NOT
USE water in excess of 130°F, as the enzymatic
activity will be destroyed.
NOTES:
1. Torque set screws on blower
wheel to 70 in. lb ± 2 in. lb.
2. Torque set screw on propeller
fan to 15 in. lb ± 2 in. lb.
3. Dimensions are in inches.
Fig. 44 — Typical Gas Heating Section
CAUTION
Harsh chemicals, household bleach or acid or basic clean-
ers should not be used to clean outdoor or indoor coils of
any kind. These cleaners can be very difficult to rinse out of
the coil and can accelerate corrosion at the fin/tube inter-
face where dissimilar materials are in contact. If there is
dirt below the surface of the coil, use the Totaline environ-
mentally balanced coil cleaner as described above.
CAUTION
High velocity water from a pressure washer, garden hose,
or compressed air should never be used to clean a coil. The
force of the water or air jet will bend the fin edges and in-
crease airside pressure drop. Reduced unit performance or
nuisance unit shutdown may occur.
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