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General Information
The system design and installation must follow accepted
industry practice as described in the ASHRAE Handbook, the
National Electric Code, and other applicable standards. Install
this equipment in accordance with regulations of authorities
having jurisdiction and all applicable codes.
Installation and maintenance must be performed by qualified
personnel familiar with applicable codes and regulations and
experienced with this type of equipment. Sheet metal parts,
self-tapping screws, fins, clips, and such items inherently have
sharp edges; the installer should exercise caution.
Sharp edges and coil surfaces are a potential injury hazard.
Avoid contact.
Nomenclature
Model
OAH = Custom modular air handler
OAC = Custom modular component
Nominal unit size
(cataloged size—nominal square foot of coil)
003, 004, 006, 008, 010, 012, 014, 017,
021, 025, 030, 035, 040, 050, 065, 080, 085, 090
Vintage of Daikin air handling unit
www.DaikinApplied.com
WARNING
OAH 003 G D A C
Receiving and Handling
1. Carefully check items against the bills of lading to verify
all crates and cartons have been received. Carefully
inspect all units for shipping damage. Report damage
immediately to the carrier and file a claim.
2. Skyline air handler units are constructed of galvanized
or painted steel and are inspected thoroughly before
leaving the factory. Take care during installation to
prevent damage to units.
3. Take special care when handling the blower section. All
fans are dynamically balanced before leaving the factory.
Rough handling can cause misalignment or a damaged
bearings or shaft. Carefully inspect fans and shaft before
unit installation to verify this has not happened.
NOTE: Screws, bolts, etc., for assembling sections are
supplied in a bag attached to each section. All
necessary gasketing is applied in the factory for
section-to-section
Unit cross section
C = Standard unit cross section
M = Custom size cross section
Motor location
A = Motor along side of fan housing
D = Motor down stream of belt drive plenum fan
F = Motor on inline fan
G = Motor downstream of direct drive plenum fan
H = Motor downstream of fan array
T = Motor behind twin fan housing
Unit type/coil position
B = Blow-through cooling coil location
D = Draw-through cooling coil location
H = Heating only
V = Vent only
M = Multizone
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IM 777-8 • Skyline Air Handler
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