AAON M2-036 - Manual (Page 77)

77
For routine quarterly cleaning, first clean the
coil with the below approved coil
cleaner. After cleaning the coils with the
approved cleaning agent, use the approved
chloride remover to remove soluble salts and
revitalize the unit.
Recommended Coil Cleaner
The following cleaning agent, assuming it is
used in accordance with the manufacturer’s
directions on the container for proper mixing
and cleaning, has been approved for use on
e-coated coils to remove mold, mildew,
dust, soot, greasy residue, lint and other
particulate:
Enviro-Coil Concentrate, Part Number H-
EC01.
Recommended Chloride Remover
CHLOR*RID DTS™ should be used to
remove soluble salts from the e-coated coil,
but the directions must be followed closely.
This product is not intended for use as a
degreaser. Any grease or oil film should first
be removed with the approved cleaning
agent.
Remove Barrier - Soluble salts adhere
themselves to the substrate. For the effective
use of this product, the product must be able
to come in contact with the salts. These salts
may be beneath any soils, grease or dirt; therefore, these barriers must be removed
prior to application of this product. As in all
surface preparation, the best work yields the
best results.
Apply CHLOR*RID DTS - Apply directly
onto the substrate. Sufficient product must
be applied uniformly across the substrate to
thoroughly wet out surface, with no areas
missed. This may be accomplished by use of
a pump-up sprayer or conventional spray
gun. The method does not matter, as long as
the entire area to be cleaned is wetted. After
the substrate has been thoroughly wetted,
the salts will be soluble and is now only
necessary to rinse them off.
Rinse - It is highly recommended that a hose
be used, as a pressure washer will damage
the fins. The water to be used for the rinse is
recommended to be of potable quality,
though a lesser quality of water may be used
if a small amount of CHLOR*RID DTS is
added. Check with CHLOR*RID
International, Inc. for recommendations on
lesser quality rinse water.
Energy Recovery Wheel
The AAONAIRE
® Energy Recovery Wheel
is a total energy recovery wheel and is a disc
composed of spirally wound desiccant
matrix material. The wheel is divided across
the center when installed, and rotated by an
electric motor at up to 60 rpm so that one
half of the matrix material is exposed at one
moment to the exhaust air stream, and at the
next moment to the ventilation supply air
stream. With a heat wheel, efficiencies of
70 to 85% are achievable for both sensible
and latent energy transfer.
The figure below shows the basics of an
energy recovery wheel.
Harsh chemicals, household bleach,
or acid cleaners should not be used
to clean outdoor or indoor e-coated
coils. These cleaners can be very
difficult to rinse out of the coil and
can accelerate corrosion and attack
the e-coating. If there is dirt below the
surface of the coil, use the
recommended coil cleaners.
CAUTION